./Ultimate.py --spec /mnt/goblint-svcomp/goblint-bench/bench/concrat/properties/no-data-race.prp --file /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/atomic-gcc.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for data races
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/data -tc /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/config/AutomizerReach.xml -i /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/atomic-gcc.i -s /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad1b76002bdc0d82af85081adc7f52f68c3f806c70fd0b06eb6dfd641f28de9f
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2024-03-09 04:31:21,684 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-03-09 04:31:21,726 INFO  L114        SettingsManager]: Loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-03-09 04:31:21,730 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-03-09 04:31:21,730 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-03-09 04:31:21,747 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-03-09 04:31:21,748 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-03-09 04:31:21,748 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-03-09 04:31:21,748 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-03-09 04:31:21,749 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-03-09 04:31:21,749 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-03-09 04:31:21,750 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-03-09 04:31:21,750 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-03-09 04:31:21,750 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-03-09 04:31:21,751 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-03-09 04:31:21,751 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-03-09 04:31:21,751 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-03-09 04:31:21,752 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-03-09 04:31:21,752 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-03-09 04:31:21,752 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-03-09 04:31:21,752 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-03-09 04:31:21,753 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-03-09 04:31:21,753 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-03-09 04:31:21,753 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-03-09 04:31:21,754 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-03-09 04:31:21,754 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-03-09 04:31:21,754 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-03-09 04:31:21,754 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-03-09 04:31:21,755 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-03-09 04:31:21,755 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-03-09 04:31:21,755 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-03-09 04:31:21,756 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-03-09 04:31:21,756 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-03-09 04:31:21,756 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-03-09 04:31:21,756 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-03-09 04:31:21,756 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-03-09 04:31:21,757 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-03-09 04:31:21,757 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-03-09 04:31:21,757 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-03-09 04:31:21,757 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-03-09 04:31:21,757 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-03-09 04:31:21,758 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1b76002bdc0d82af85081adc7f52f68c3f806c70fd0b06eb6dfd641f28de9f
[2024-03-09 04:31:21,980 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-03-09 04:31:22,023 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-03-09 04:31:22,027 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-03-09 04:31:22,028 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-03-09 04:31:22,029 INFO  L274        PluginConnector]: CDTParser initialized
[2024-03-09 04:31:22,030 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/atomic-gcc.i
[2024-03-09 04:31:23,360 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-03-09 04:31:23,590 INFO  L384              CDTParser]: Found 1 translation units.
[2024-03-09 04:31:23,591 INFO  L180              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/atomic-gcc.i
[2024-03-09 04:31:23,604 INFO  L427              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/data/a989424c3/f670ac1f38e147a397ef305c4e486681/FLAGb2fdb15db
[2024-03-09 04:31:23,934 INFO  L435              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/data/a989424c3/f670ac1f38e147a397ef305c4e486681
[2024-03-09 04:31:23,936 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-03-09 04:31:23,937 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-03-09 04:31:23,938 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-03-09 04:31:23,938 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-03-09 04:31:23,943 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-03-09 04:31:23,943 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:31:23" (1/1) ...
[2024-03-09 04:31:23,944 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d1e064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:23, skipping insertion in model container
[2024-03-09 04:31:23,944 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 04:31:23" (1/1) ...
[2024-03-09 04:31:23,984 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-03-09 04:31:24,239 WARN  L638        FunctionHandler]: implicit declaration of function __sync_fetch_and_add
[2024-03-09 04:31:24,253 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-03-09 04:31:24,260 INFO  L202         MainTranslator]: Completed pre-run
[2024-03-09 04:31:24,297 WARN  L638        FunctionHandler]: implicit declaration of function __sync_fetch_and_add
[2024-03-09 04:31:24,302 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-03-09 04:31:24,339 WARN  L675               CHandler]: The function __sync_fetch_and_add is called, but not defined or handled by StandardFunctionHandler.
[2024-03-09 04:31:24,345 INFO  L206         MainTranslator]: Completed translation
[2024-03-09 04:31:24,346 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24 WrapperNode
[2024-03-09 04:31:24,346 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-03-09 04:31:24,346 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-03-09 04:31:24,347 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-03-09 04:31:24,347 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-03-09 04:31:24,353 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,367 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,386 INFO  L138                Inliner]: procedures = 268, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79
[2024-03-09 04:31:24,387 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-03-09 04:31:24,388 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-03-09 04:31:24,388 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-03-09 04:31:24,388 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-03-09 04:31:24,395 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,395 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,399 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,399 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,406 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,408 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,410 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,411 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,413 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-03-09 04:31:24,413 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-03-09 04:31:24,414 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-03-09 04:31:24,414 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-03-09 04:31:24,414 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (1/1) ...
[2024-03-09 04:31:24,421 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-03-09 04:31:24,430 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/z3
[2024-03-09 04:31:24,446 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-03-09 04:31:24,450 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-03-09 04:31:24,655 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-03-09 04:31:24,655 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-03-09 04:31:24,656 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-03-09 04:31:24,656 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-03-09 04:31:24,656 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-03-09 04:31:24,656 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-03-09 04:31:24,656 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-03-09 04:31:24,657 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-03-09 04:31:24,657 INFO  L130     BoogieDeclarations]: Found specification of procedure __sync_fetch_and_add
[2024-03-09 04:31:24,657 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-03-09 04:31:24,657 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-03-09 04:31:24,657 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-03-09 04:31:24,658 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-03-09 04:31:24,658 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-03-09 04:31:24,662 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-03-09 04:31:25,070 INFO  L241             CfgBuilder]: Building ICFG
[2024-03-09 04:31:25,074 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-03-09 04:31:25,315 INFO  L282             CfgBuilder]: Performing block encoding
[2024-03-09 04:31:25,324 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-03-09 04:31:25,324 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2024-03-09 04:31:25,326 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.03 04:31:25 BoogieIcfgContainer
[2024-03-09 04:31:25,326 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-03-09 04:31:25,327 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-03-09 04:31:25,328 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-03-09 04:31:25,333 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-03-09 04:31:25,334 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 04:31:23" (1/3) ...
[2024-03-09 04:31:25,334 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f337031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 04:31:25, skipping insertion in model container
[2024-03-09 04:31:25,334 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 04:31:24" (2/3) ...
[2024-03-09 04:31:25,335 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f337031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 04:31:25, skipping insertion in model container
[2024-03-09 04:31:25,335 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.03 04:31:25" (3/3) ...
[2024-03-09 04:31:25,336 INFO  L112   eAbstractionObserver]: Analyzing ICFG atomic-gcc.i
[2024-03-09 04:31:25,347 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-03-09 04:31:25,363 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-03-09 04:31:25,364 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-03-09 04:31:25,364 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-03-09 04:31:25,416 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-03-09 04:31:25,548 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 91 places, 92 transitions, 191 flow
[2024-03-09 04:31:25,619 INFO  L124   PetriNetUnfolderBase]: 6/140 cut-off events.
[2024-03-09 04:31:25,619 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-03-09 04:31:25,622 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 145 conditions, 140 events. 6/140 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 238 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 72. Up to 4 conditions per place. 
[2024-03-09 04:31:25,623 INFO  L82        GeneralOperation]: Start removeDead. Operand has 91 places, 92 transitions, 191 flow
[2024-03-09 04:31:25,626 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 82 places, 83 transitions, 173 flow
[2024-03-09 04:31:25,636 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:31:25,644 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:31:25,645 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:31:25,653 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:31:25,653 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:31:25,653 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:31:25,653 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:25,654 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:25,654 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:25,664 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:25,664 INFO  L85        PathProgramCache]: Analyzing trace with hash -1212768828, now seen corresponding path program 1 times
[2024-03-09 04:31:25,692 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:25,693 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572880576]
[2024-03-09 04:31:25,693 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:25,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:26,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:26,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:26,409 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:26,410 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572880576]
[2024-03-09 04:31:26,410 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572880576] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:26,410 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:26,410 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:26,411 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479918967]
[2024-03-09 04:31:26,412 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:26,418 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:26,422 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:26,440 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:26,441 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:26,630 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 65 out of 92
[2024-03-09 04:31:26,632 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 83 transitions, 173 flow. Second operand  has 6 states, 6 states have (on average 66.16666666666667) internal successors, (397), 6 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,632 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:26,632 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 92
[2024-03-09 04:31:26,633 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:26,664 INFO  L124   PetriNetUnfolderBase]: 2/124 cut-off events.
[2024-03-09 04:31:26,665 INFO  L125   PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2024-03-09 04:31:26,665 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 170 conditions, 124 events. 2/124 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 151 event pairs, 0 based on Foata normal form. 8/124 useless extension candidates. Maximal degree in co-relation 26. Up to 29 conditions per place. 
[2024-03-09 04:31:26,666 INFO  L140   encePairwiseOnDemand]: 74/92 looper letters, 14 selfloop transitions, 8 changer transitions 12/89 dead transitions.
[2024-03-09 04:31:26,666 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 89 transitions, 245 flow
[2024-03-09 04:31:26,667 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:26,669 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:26,676 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 428 transitions.
[2024-03-09 04:31:26,678 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7753623188405797
[2024-03-09 04:31:26,678 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 428 transitions.
[2024-03-09 04:31:26,679 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 428 transitions.
[2024-03-09 04:31:26,680 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:26,682 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 428 transitions.
[2024-03-09 04:31:26,686 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,689 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,690 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,691 INFO  L175             Difference]: Start difference. First operand has 82 places, 83 transitions, 173 flow. Second operand 6 states and 428 transitions.
[2024-03-09 04:31:26,692 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 89 transitions, 245 flow
[2024-03-09 04:31:26,694 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 89 transitions, 245 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:26,696 INFO  L231             Difference]: Finished difference. Result has 88 places, 77 transitions, 207 flow
[2024-03-09 04:31:26,697 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=207, PETRI_PLACES=88, PETRI_TRANSITIONS=77}
[2024-03-09 04:31:26,700 INFO  L281   CegarLoopForPetriNet]: 82 programPoint places, 6 predicate places.
[2024-03-09 04:31:26,701 INFO  L495      AbstractCegarLoop]: Abstraction has has 88 places, 77 transitions, 207 flow
[2024-03-09 04:31:26,701 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 66.16666666666667) internal successors, (397), 6 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,701 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:26,701 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:26,701 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-03-09 04:31:26,702 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:26,702 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:26,702 INFO  L85        PathProgramCache]: Analyzing trace with hash -1452665449, now seen corresponding path program 1 times
[2024-03-09 04:31:26,702 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:26,703 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76693802]
[2024-03-09 04:31:26,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:26,703 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:26,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:26,785 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:26,785 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:26,785 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76693802]
[2024-03-09 04:31:26,786 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76693802] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:26,786 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:26,786 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:26,786 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861537171]
[2024-03-09 04:31:26,786 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:26,787 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:31:26,787 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:26,788 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:31:26,788 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:31:26,851 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 76 out of 92
[2024-03-09 04:31:26,852 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 77 transitions, 207 flow. Second operand  has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,852 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:26,852 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 92
[2024-03-09 04:31:26,852 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:26,882 INFO  L124   PetriNetUnfolderBase]: 0/96 cut-off events.
[2024-03-09 04:31:26,882 INFO  L125   PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES.
[2024-03-09 04:31:26,883 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 141 conditions, 96 events. 0/96 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 1/95 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. 
[2024-03-09 04:31:26,883 INFO  L140   encePairwiseOnDemand]: 86/92 looper letters, 9 selfloop transitions, 2 changer transitions 3/76 dead transitions.
[2024-03-09 04:31:26,883 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 76 transitions, 218 flow
[2024-03-09 04:31:26,884 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:26,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:26,885 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 471 transitions.
[2024-03-09 04:31:26,885 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8532608695652174
[2024-03-09 04:31:26,885 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 471 transitions.
[2024-03-09 04:31:26,886 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 471 transitions.
[2024-03-09 04:31:26,886 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:26,886 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 471 transitions.
[2024-03-09 04:31:26,887 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,889 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,889 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,889 INFO  L175             Difference]: Start difference. First operand has 88 places, 77 transitions, 207 flow. Second operand 6 states and 471 transitions.
[2024-03-09 04:31:26,889 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 76 transitions, 218 flow
[2024-03-09 04:31:26,890 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 76 transitions, 210 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:26,892 INFO  L231             Difference]: Finished difference. Result has 89 places, 73 transitions, 190 flow
[2024-03-09 04:31:26,892 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=190, PETRI_PLACES=89, PETRI_TRANSITIONS=73}
[2024-03-09 04:31:26,892 INFO  L281   CegarLoopForPetriNet]: 82 programPoint places, 7 predicate places.
[2024-03-09 04:31:26,893 INFO  L495      AbstractCegarLoop]: Abstraction has has 89 places, 73 transitions, 190 flow
[2024-03-09 04:31:26,893 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 77.4) internal successors, (387), 5 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:26,893 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:26,893 INFO  L208   CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:26,893 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-03-09 04:31:26,894 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:26,894 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:26,894 INFO  L85        PathProgramCache]: Analyzing trace with hash -1107089935, now seen corresponding path program 1 times
[2024-03-09 04:31:26,894 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:26,894 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290670870]
[2024-03-09 04:31:26,894 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:26,895 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:26,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:26,916 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:31:26,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:26,945 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:31:26,945 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:31:26,946 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:31:26,948 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:31:26,948 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:31:26,949 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:31:26,949 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:31:26,949 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-03-09 04:31:26,949 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-03-09 04:31:26,951 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:31:26,951 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-03-09 04:31:26,965 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-03-09 04:31:26,967 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 100 places, 100 transitions, 216 flow
[2024-03-09 04:31:26,990 INFO  L124   PetriNetUnfolderBase]: 11/247 cut-off events.
[2024-03-09 04:31:26,990 INFO  L125   PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-03-09 04:31:26,991 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 259 conditions, 247 events. 11/247 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 494 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 142. Up to 8 conditions per place. 
[2024-03-09 04:31:26,991 INFO  L82        GeneralOperation]: Start removeDead. Operand has 100 places, 100 transitions, 216 flow
[2024-03-09 04:31:26,992 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 91 places, 91 transitions, 198 flow
[2024-03-09 04:31:26,993 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:31:26,994 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:31:26,994 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:31:26,997 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:31:26,998 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:31:26,998 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:31:26,998 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:26,998 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:26,998 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:26,998 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:26,998 INFO  L85        PathProgramCache]: Analyzing trace with hash 676819624, now seen corresponding path program 1 times
[2024-03-09 04:31:26,998 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:26,999 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521730278]
[2024-03-09 04:31:26,999 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:26,999 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:27,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:27,170 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:27,170 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:27,170 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521730278]
[2024-03-09 04:31:27,170 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521730278] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:27,170 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:27,171 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:27,171 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372637826]
[2024-03-09 04:31:27,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:27,171 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:27,171 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:27,172 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:27,172 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:27,337 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 71 out of 100
[2024-03-09 04:31:27,339 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 91 transitions, 198 flow. Second operand  has 6 states, 6 states have (on average 72.16666666666667) internal successors, (433), 6 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,339 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:27,339 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 100
[2024-03-09 04:31:27,339 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:27,417 INFO  L124   PetriNetUnfolderBase]: 4/205 cut-off events.
[2024-03-09 04:31:27,417 INFO  L125   PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES.
[2024-03-09 04:31:27,418 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 285 conditions, 205 events. 4/205 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 341 event pairs, 0 based on Foata normal form. 13/205 useless extension candidates. Maximal degree in co-relation 166. Up to 56 conditions per place. 
[2024-03-09 04:31:27,418 INFO  L140   encePairwiseOnDemand]: 82/100 looper letters, 16 selfloop transitions, 8 changer transitions 12/97 dead transitions.
[2024-03-09 04:31:27,418 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 97 transitions, 274 flow
[2024-03-09 04:31:27,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:27,419 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:27,421 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 466 transitions.
[2024-03-09 04:31:27,422 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7766666666666666
[2024-03-09 04:31:27,423 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 466 transitions.
[2024-03-09 04:31:27,423 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 466 transitions.
[2024-03-09 04:31:27,425 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:27,425 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 466 transitions.
[2024-03-09 04:31:27,426 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,433 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,433 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,433 INFO  L175             Difference]: Start difference. First operand has 91 places, 91 transitions, 198 flow. Second operand 6 states and 466 transitions.
[2024-03-09 04:31:27,433 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 97 transitions, 274 flow
[2024-03-09 04:31:27,436 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 97 transitions, 274 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:27,438 INFO  L231             Difference]: Finished difference. Result has 97 places, 85 transitions, 232 flow
[2024-03-09 04:31:27,438 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=232, PETRI_PLACES=97, PETRI_TRANSITIONS=85}
[2024-03-09 04:31:27,440 INFO  L281   CegarLoopForPetriNet]: 91 programPoint places, 6 predicate places.
[2024-03-09 04:31:27,440 INFO  L495      AbstractCegarLoop]: Abstraction has has 97 places, 85 transitions, 232 flow
[2024-03-09 04:31:27,440 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 72.16666666666667) internal successors, (433), 6 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,440 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:27,441 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:27,441 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-03-09 04:31:27,441 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:27,441 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:27,441 INFO  L85        PathProgramCache]: Analyzing trace with hash -1664965865, now seen corresponding path program 1 times
[2024-03-09 04:31:27,442 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:27,442 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712318036]
[2024-03-09 04:31:27,442 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:27,442 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:27,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:27,516 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:27,517 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:27,517 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712318036]
[2024-03-09 04:31:27,517 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712318036] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:27,517 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:27,517 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:27,518 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318907940]
[2024-03-09 04:31:27,518 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:27,518 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:31:27,519 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:27,519 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:31:27,519 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:31:27,575 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 82 out of 100
[2024-03-09 04:31:27,575 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 85 transitions, 232 flow. Second operand  has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,576 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:27,576 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 100
[2024-03-09 04:31:27,576 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:27,616 INFO  L124   PetriNetUnfolderBase]: 2/163 cut-off events.
[2024-03-09 04:31:27,617 INFO  L125   PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2024-03-09 04:31:27,617 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 239 conditions, 163 events. 2/163 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 187 event pairs, 0 based on Foata normal form. 1/160 useless extension candidates. Maximal degree in co-relation 184. Up to 23 conditions per place. 
[2024-03-09 04:31:27,617 INFO  L140   encePairwiseOnDemand]: 94/100 looper letters, 12 selfloop transitions, 2 changer transitions 3/85 dead transitions.
[2024-03-09 04:31:27,617 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 85 transitions, 251 flow
[2024-03-09 04:31:27,618 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:27,618 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:27,618 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 510 transitions.
[2024-03-09 04:31:27,619 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.85
[2024-03-09 04:31:27,619 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 510 transitions.
[2024-03-09 04:31:27,619 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 510 transitions.
[2024-03-09 04:31:27,622 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:27,622 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 510 transitions.
[2024-03-09 04:31:27,623 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 85.0) internal successors, (510), 6 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,625 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,625 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,625 INFO  L175             Difference]: Start difference. First operand has 97 places, 85 transitions, 232 flow. Second operand 6 states and 510 transitions.
[2024-03-09 04:31:27,625 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 85 transitions, 251 flow
[2024-03-09 04:31:27,628 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 85 transitions, 243 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:27,629 INFO  L231             Difference]: Finished difference. Result has 98 places, 82 transitions, 219 flow
[2024-03-09 04:31:27,633 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=219, PETRI_PLACES=98, PETRI_TRANSITIONS=82}
[2024-03-09 04:31:27,635 INFO  L281   CegarLoopForPetriNet]: 91 programPoint places, 7 predicate places.
[2024-03-09 04:31:27,635 INFO  L495      AbstractCegarLoop]: Abstraction has has 98 places, 82 transitions, 219 flow
[2024-03-09 04:31:27,635 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:27,635 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:27,635 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:27,635 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-03-09 04:31:27,636 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:27,637 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:27,637 INFO  L85        PathProgramCache]: Analyzing trace with hash 1341312245, now seen corresponding path program 1 times
[2024-03-09 04:31:27,637 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:27,637 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692857670]
[2024-03-09 04:31:27,637 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:27,637 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:27,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:27,908 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:31:27,909 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:27,909 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692857670]
[2024-03-09 04:31:27,909 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692857670] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:27,909 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:27,909 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:27,909 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072043665]
[2024-03-09 04:31:27,909 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:27,910 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:27,910 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:27,910 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:27,910 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:28,128 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 80 out of 100
[2024-03-09 04:31:28,130 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 82 transitions, 219 flow. Second operand  has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,130 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:28,130 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 100
[2024-03-09 04:31:28,130 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:28,176 INFO  L124   PetriNetUnfolderBase]: 2/156 cut-off events.
[2024-03-09 04:31:28,176 INFO  L125   PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES.
[2024-03-09 04:31:28,176 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 247 conditions, 156 events. 2/156 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 167 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 194. Up to 16 conditions per place. 
[2024-03-09 04:31:28,177 INFO  L140   encePairwiseOnDemand]: 94/100 looper letters, 3 selfloop transitions, 0 changer transitions 23/81 dead transitions.
[2024-03-09 04:31:28,177 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 81 transitions, 245 flow
[2024-03-09 04:31:28,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:28,177 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:28,178 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 495 transitions.
[2024-03-09 04:31:28,178 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.825
[2024-03-09 04:31:28,178 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 495 transitions.
[2024-03-09 04:31:28,178 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 495 transitions.
[2024-03-09 04:31:28,179 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:28,179 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 495 transitions.
[2024-03-09 04:31:28,180 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,181 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,181 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,181 INFO  L175             Difference]: Start difference. First operand has 98 places, 82 transitions, 219 flow. Second operand 6 states and 495 transitions.
[2024-03-09 04:31:28,181 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 81 transitions, 245 flow
[2024-03-09 04:31:28,183 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 81 transitions, 237 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:31:28,184 INFO  L231             Difference]: Finished difference. Result has 95 places, 58 transitions, 155 flow
[2024-03-09 04:31:28,184 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=155, PETRI_PLACES=95, PETRI_TRANSITIONS=58}
[2024-03-09 04:31:28,186 INFO  L281   CegarLoopForPetriNet]: 91 programPoint places, 4 predicate places.
[2024-03-09 04:31:28,186 INFO  L495      AbstractCegarLoop]: Abstraction has has 95 places, 58 transitions, 155 flow
[2024-03-09 04:31:28,186 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 81.5) internal successors, (489), 6 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,186 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:28,186 INFO  L208   CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:28,186 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-03-09 04:31:28,187 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:28,187 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:28,187 INFO  L85        PathProgramCache]: Analyzing trace with hash -425043410, now seen corresponding path program 1 times
[2024-03-09 04:31:28,187 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:28,187 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090956748]
[2024-03-09 04:31:28,187 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:28,188 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:28,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:28,223 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:31:28,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:28,251 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:31:28,251 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:31:28,251 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:31:28,251 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:31:28,251 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:31:28,252 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:31:28,252 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:31:28,252 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-03-09 04:31:28,252 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:31:28,252 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:31:28,252 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-03-09 04:31:28,274 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-03-09 04:31:28,280 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 109 places, 108 transitions, 243 flow
[2024-03-09 04:31:28,326 INFO  L124   PetriNetUnfolderBase]: 21/435 cut-off events.
[2024-03-09 04:31:28,326 INFO  L125   PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-03-09 04:31:28,327 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 460 conditions, 435 events. 21/435 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1148 event pairs, 1 based on Foata normal form. 0/382 useless extension candidates. Maximal degree in co-relation 255. Up to 16 conditions per place. 
[2024-03-09 04:31:28,327 INFO  L82        GeneralOperation]: Start removeDead. Operand has 109 places, 108 transitions, 243 flow
[2024-03-09 04:31:28,329 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 100 places, 99 transitions, 225 flow
[2024-03-09 04:31:28,330 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:31:28,331 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:31:28,331 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:31:28,333 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:31:28,333 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:31:28,333 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:31:28,333 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:28,333 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:28,334 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:28,334 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:28,334 INFO  L85        PathProgramCache]: Analyzing trace with hash -1405593452, now seen corresponding path program 1 times
[2024-03-09 04:31:28,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:28,334 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103916670]
[2024-03-09 04:31:28,335 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:28,335 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:28,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:28,479 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:28,479 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:28,479 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103916670]
[2024-03-09 04:31:28,480 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103916670] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:28,480 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:28,480 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:28,480 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658685638]
[2024-03-09 04:31:28,480 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:28,480 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:28,480 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:28,481 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:28,481 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:28,620 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 77 out of 108
[2024-03-09 04:31:28,620 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 99 transitions, 225 flow. Second operand  has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,621 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:28,621 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 108
[2024-03-09 04:31:28,621 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:28,689 INFO  L124   PetriNetUnfolderBase]: 9/343 cut-off events.
[2024-03-09 04:31:28,689 INFO  L125   PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES.
[2024-03-09 04:31:28,689 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 486 conditions, 343 events. 9/343 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 790 event pairs, 1 based on Foata normal form. 22/343 useless extension candidates. Maximal degree in co-relation 280. Up to 106 conditions per place. 
[2024-03-09 04:31:28,690 INFO  L140   encePairwiseOnDemand]: 90/108 looper letters, 18 selfloop transitions, 8 changer transitions 12/105 dead transitions.
[2024-03-09 04:31:28,690 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 105 transitions, 305 flow
[2024-03-09 04:31:28,690 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:28,691 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:28,691 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 504 transitions.
[2024-03-09 04:31:28,692 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7777777777777778
[2024-03-09 04:31:28,692 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 504 transitions.
[2024-03-09 04:31:28,692 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 504 transitions.
[2024-03-09 04:31:28,692 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:28,692 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 504 transitions.
[2024-03-09 04:31:28,693 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,694 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,694 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,694 INFO  L175             Difference]: Start difference. First operand has 100 places, 99 transitions, 225 flow. Second operand 6 states and 504 transitions.
[2024-03-09 04:31:28,694 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 105 transitions, 305 flow
[2024-03-09 04:31:28,695 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 105 transitions, 305 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:28,696 INFO  L231             Difference]: Finished difference. Result has 106 places, 93 transitions, 259 flow
[2024-03-09 04:31:28,696 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=259, PETRI_PLACES=106, PETRI_TRANSITIONS=93}
[2024-03-09 04:31:28,697 INFO  L281   CegarLoopForPetriNet]: 100 programPoint places, 6 predicate places.
[2024-03-09 04:31:28,697 INFO  L495      AbstractCegarLoop]: Abstraction has has 106 places, 93 transitions, 259 flow
[2024-03-09 04:31:28,697 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,697 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:28,697 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:28,697 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-03-09 04:31:28,697 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:28,698 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:28,698 INFO  L85        PathProgramCache]: Analyzing trace with hash 1026327447, now seen corresponding path program 1 times
[2024-03-09 04:31:28,698 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:28,698 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655413210]
[2024-03-09 04:31:28,698 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:28,698 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:28,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:28,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:28,746 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:28,746 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655413210]
[2024-03-09 04:31:28,746 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655413210] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:28,746 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:28,746 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:28,747 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471939682]
[2024-03-09 04:31:28,747 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:28,747 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:31:28,747 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:28,747 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:31:28,748 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:31:28,820 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 88 out of 108
[2024-03-09 04:31:28,821 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 93 transitions, 259 flow. Second operand  has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,821 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:28,821 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 108
[2024-03-09 04:31:28,821 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:28,861 INFO  L124   PetriNetUnfolderBase]: 7/273 cut-off events.
[2024-03-09 04:31:28,861 INFO  L125   PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES.
[2024-03-09 04:31:28,862 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 403 conditions, 273 events. 7/273 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 496 event pairs, 1 based on Foata normal form. 1/266 useless extension candidates. Maximal degree in co-relation 347. Up to 44 conditions per place. 
[2024-03-09 04:31:28,863 INFO  L140   encePairwiseOnDemand]: 102/108 looper letters, 14 selfloop transitions, 2 changer transitions 3/93 dead transitions.
[2024-03-09 04:31:28,863 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 93 transitions, 282 flow
[2024-03-09 04:31:28,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:28,863 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:28,864 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 548 transitions.
[2024-03-09 04:31:28,865 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.845679012345679
[2024-03-09 04:31:28,865 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 548 transitions.
[2024-03-09 04:31:28,865 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 548 transitions.
[2024-03-09 04:31:28,865 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:28,865 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 548 transitions.
[2024-03-09 04:31:28,866 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,867 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,868 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,868 INFO  L175             Difference]: Start difference. First operand has 106 places, 93 transitions, 259 flow. Second operand 6 states and 548 transitions.
[2024-03-09 04:31:28,868 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 93 transitions, 282 flow
[2024-03-09 04:31:28,869 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 93 transitions, 274 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:28,870 INFO  L231             Difference]: Finished difference. Result has 107 places, 90 transitions, 246 flow
[2024-03-09 04:31:28,871 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=246, PETRI_PLACES=107, PETRI_TRANSITIONS=90}
[2024-03-09 04:31:28,871 INFO  L281   CegarLoopForPetriNet]: 100 programPoint places, 7 predicate places.
[2024-03-09 04:31:28,871 INFO  L495      AbstractCegarLoop]: Abstraction has has 107 places, 90 transitions, 246 flow
[2024-03-09 04:31:28,875 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:28,875 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:28,875 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:28,876 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-03-09 04:31:28,876 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:28,876 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:28,876 INFO  L85        PathProgramCache]: Analyzing trace with hash -1424807833, now seen corresponding path program 1 times
[2024-03-09 04:31:28,876 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:28,876 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300649974]
[2024-03-09 04:31:28,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:28,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:28,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:29,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:31:29,073 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:29,073 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300649974]
[2024-03-09 04:31:29,074 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300649974] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:29,074 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:29,074 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:29,074 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084779117]
[2024-03-09 04:31:29,074 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:29,074 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:29,074 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:29,075 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:29,075 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:29,268 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 86 out of 108
[2024-03-09 04:31:29,269 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 90 transitions, 246 flow. Second operand  has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,269 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:29,269 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 108
[2024-03-09 04:31:29,269 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:29,313 INFO  L124   PetriNetUnfolderBase]: 7/262 cut-off events.
[2024-03-09 04:31:29,313 INFO  L125   PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-03-09 04:31:29,313 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 420 conditions, 262 events. 7/262 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 454 event pairs, 1 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 366. Up to 30 conditions per place. 
[2024-03-09 04:31:29,314 INFO  L140   encePairwiseOnDemand]: 102/108 looper letters, 4 selfloop transitions, 0 changer transitions 24/89 dead transitions.
[2024-03-09 04:31:29,314 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 89 transitions, 276 flow
[2024-03-09 04:31:29,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:29,314 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:29,315 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 533 transitions.
[2024-03-09 04:31:29,315 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8225308641975309
[2024-03-09 04:31:29,315 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 533 transitions.
[2024-03-09 04:31:29,315 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 533 transitions.
[2024-03-09 04:31:29,316 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:29,316 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 533 transitions.
[2024-03-09 04:31:29,317 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 88.83333333333333) internal successors, (533), 6 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,318 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,318 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,318 INFO  L175             Difference]: Start difference. First operand has 107 places, 90 transitions, 246 flow. Second operand 6 states and 533 transitions.
[2024-03-09 04:31:29,318 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 89 transitions, 276 flow
[2024-03-09 04:31:29,319 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 89 transitions, 268 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:31:29,320 INFO  L231             Difference]: Finished difference. Result has 104 places, 65 transitions, 177 flow
[2024-03-09 04:31:29,320 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=177, PETRI_PLACES=104, PETRI_TRANSITIONS=65}
[2024-03-09 04:31:29,320 INFO  L281   CegarLoopForPetriNet]: 100 programPoint places, 4 predicate places.
[2024-03-09 04:31:29,320 INFO  L495      AbstractCegarLoop]: Abstraction has has 104 places, 65 transitions, 177 flow
[2024-03-09 04:31:29,321 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,321 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:29,321 INFO  L208   CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:29,321 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-03-09 04:31:29,321 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:29,321 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:29,321 INFO  L85        PathProgramCache]: Analyzing trace with hash -1103624336, now seen corresponding path program 1 times
[2024-03-09 04:31:29,321 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:29,322 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348690557]
[2024-03-09 04:31:29,322 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:29,322 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:29,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:29,351 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:31:29,363 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:29,370 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:31:29,371 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:31:29,371 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:31:29,371 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:31:29,371 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:31:29,371 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:31:29,371 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:31:29,371 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-03-09 04:31:29,371 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:31:29,372 WARN  L233   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:31:29,372 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-03-09 04:31:29,386 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-03-09 04:31:29,387 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 118 places, 116 transitions, 272 flow
[2024-03-09 04:31:29,451 INFO  L124   PetriNetUnfolderBase]: 43/787 cut-off events.
[2024-03-09 04:31:29,452 INFO  L125   PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES.
[2024-03-09 04:31:29,454 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 838 conditions, 787 events. 43/787 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2935 event pairs, 6 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 455. Up to 32 conditions per place. 
[2024-03-09 04:31:29,454 INFO  L82        GeneralOperation]: Start removeDead. Operand has 118 places, 116 transitions, 272 flow
[2024-03-09 04:31:29,456 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 109 places, 107 transitions, 254 flow
[2024-03-09 04:31:29,457 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:31:29,457 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:31:29,458 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:31:29,460 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:31:29,460 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:31:29,460 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:31:29,460 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:29,461 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:29,461 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:29,461 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:29,461 INFO  L85        PathProgramCache]: Analyzing trace with hash 1129926536, now seen corresponding path program 1 times
[2024-03-09 04:31:29,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:29,461 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477028614]
[2024-03-09 04:31:29,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:29,461 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:29,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:29,603 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:29,603 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:29,603 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477028614]
[2024-03-09 04:31:29,603 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477028614] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:29,604 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:29,604 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:29,604 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452462526]
[2024-03-09 04:31:29,604 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:29,604 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:29,604 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:29,605 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:29,605 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:29,758 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 83 out of 116
[2024-03-09 04:31:29,758 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 107 transitions, 254 flow. Second operand  has 6 states, 6 states have (on average 84.16666666666667) internal successors, (505), 6 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,758 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:29,759 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 116
[2024-03-09 04:31:29,759 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:29,844 INFO  L124   PetriNetUnfolderBase]: 22/597 cut-off events.
[2024-03-09 04:31:29,844 INFO  L125   PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES.
[2024-03-09 04:31:29,844 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 864 conditions, 597 events. 22/597 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1892 event pairs, 6 based on Foata normal form. 39/597 useless extension candidates. Maximal degree in co-relation 480. Up to 204 conditions per place. 
[2024-03-09 04:31:29,846 INFO  L140   encePairwiseOnDemand]: 98/116 looper letters, 20 selfloop transitions, 8 changer transitions 12/113 dead transitions.
[2024-03-09 04:31:29,846 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 113 transitions, 338 flow
[2024-03-09 04:31:29,846 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:29,846 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:29,847 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 542 transitions.
[2024-03-09 04:31:29,847 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7787356321839081
[2024-03-09 04:31:29,847 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 542 transitions.
[2024-03-09 04:31:29,847 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 542 transitions.
[2024-03-09 04:31:29,848 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:29,848 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 542 transitions.
[2024-03-09 04:31:29,849 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 90.33333333333333) internal successors, (542), 6 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,850 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,850 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,850 INFO  L175             Difference]: Start difference. First operand has 109 places, 107 transitions, 254 flow. Second operand 6 states and 542 transitions.
[2024-03-09 04:31:29,850 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 113 transitions, 338 flow
[2024-03-09 04:31:29,851 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 113 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:29,852 INFO  L231             Difference]: Finished difference. Result has 115 places, 101 transitions, 288 flow
[2024-03-09 04:31:29,852 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=288, PETRI_PLACES=115, PETRI_TRANSITIONS=101}
[2024-03-09 04:31:29,852 INFO  L281   CegarLoopForPetriNet]: 109 programPoint places, 6 predicate places.
[2024-03-09 04:31:29,852 INFO  L495      AbstractCegarLoop]: Abstraction has has 115 places, 101 transitions, 288 flow
[2024-03-09 04:31:29,853 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 84.16666666666667) internal successors, (505), 6 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,853 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:29,853 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:29,853 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-03-09 04:31:29,853 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:29,853 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:29,853 INFO  L85        PathProgramCache]: Analyzing trace with hash -1968720105, now seen corresponding path program 1 times
[2024-03-09 04:31:29,853 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:29,853 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141744142]
[2024-03-09 04:31:29,854 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:29,854 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:29,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:29,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:29,898 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:29,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141744142]
[2024-03-09 04:31:29,898 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141744142] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:29,899 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:29,899 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:29,899 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058669940]
[2024-03-09 04:31:29,899 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:29,899 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:31:29,899 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:29,899 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:31:29,900 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:31:29,956 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 94 out of 116
[2024-03-09 04:31:29,956 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 101 transitions, 288 flow. Second operand  has 5 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:29,956 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:29,956 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 116
[2024-03-09 04:31:29,956 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:30,024 INFO  L124   PetriNetUnfolderBase]: 20/471 cut-off events.
[2024-03-09 04:31:30,024 INFO  L125   PetriNetUnfolderBase]: For 123/123 co-relation queries the response was YES.
[2024-03-09 04:31:30,025 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 704 conditions, 471 events. 20/471 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1188 event pairs, 6 based on Foata normal form. 1/456 useless extension candidates. Maximal degree in co-relation 647. Up to 85 conditions per place. 
[2024-03-09 04:31:30,026 INFO  L140   encePairwiseOnDemand]: 110/116 looper letters, 16 selfloop transitions, 2 changer transitions 3/101 dead transitions.
[2024-03-09 04:31:30,026 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 101 transitions, 315 flow
[2024-03-09 04:31:30,026 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:30,026 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:30,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 586 transitions.
[2024-03-09 04:31:30,027 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8419540229885057
[2024-03-09 04:31:30,028 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 586 transitions.
[2024-03-09 04:31:30,028 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 586 transitions.
[2024-03-09 04:31:30,028 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:30,028 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 586 transitions.
[2024-03-09 04:31:30,029 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 97.66666666666667) internal successors, (586), 6 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,030 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,030 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,030 INFO  L175             Difference]: Start difference. First operand has 115 places, 101 transitions, 288 flow. Second operand 6 states and 586 transitions.
[2024-03-09 04:31:30,030 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 101 transitions, 315 flow
[2024-03-09 04:31:30,031 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 101 transitions, 307 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:30,032 INFO  L231             Difference]: Finished difference. Result has 116 places, 98 transitions, 275 flow
[2024-03-09 04:31:30,032 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=275, PETRI_PLACES=116, PETRI_TRANSITIONS=98}
[2024-03-09 04:31:30,033 INFO  L281   CegarLoopForPetriNet]: 109 programPoint places, 7 predicate places.
[2024-03-09 04:31:30,033 INFO  L495      AbstractCegarLoop]: Abstraction has has 116 places, 98 transitions, 275 flow
[2024-03-09 04:31:30,033 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,033 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:30,033 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:30,033 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-03-09 04:31:30,033 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:30,033 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:30,034 INFO  L85        PathProgramCache]: Analyzing trace with hash 1254787297, now seen corresponding path program 1 times
[2024-03-09 04:31:30,034 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:30,034 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756599696]
[2024-03-09 04:31:30,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:30,034 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:30,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:30,232 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:31:30,232 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:30,232 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756599696]
[2024-03-09 04:31:30,232 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756599696] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:30,232 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:30,232 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:30,232 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646595072]
[2024-03-09 04:31:30,233 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:30,233 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:30,233 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:30,233 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:30,233 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:30,414 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 92 out of 116
[2024-03-09 04:31:30,415 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 98 transitions, 275 flow. Second operand  has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,415 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:30,415 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 116
[2024-03-09 04:31:30,415 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:30,477 INFO  L124   PetriNetUnfolderBase]: 20/452 cut-off events.
[2024-03-09 04:31:30,477 INFO  L125   PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES.
[2024-03-09 04:31:30,478 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 738 conditions, 452 events. 20/452 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1089 event pairs, 6 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 683. Up to 64 conditions per place. 
[2024-03-09 04:31:30,478 INFO  L140   encePairwiseOnDemand]: 110/116 looper letters, 5 selfloop transitions, 0 changer transitions 25/97 dead transitions.
[2024-03-09 04:31:30,479 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 97 transitions, 309 flow
[2024-03-09 04:31:30,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:30,479 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:30,480 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 571 transitions.
[2024-03-09 04:31:30,480 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8204022988505747
[2024-03-09 04:31:30,480 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 571 transitions.
[2024-03-09 04:31:30,480 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 571 transitions.
[2024-03-09 04:31:30,480 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:30,480 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 571 transitions.
[2024-03-09 04:31:30,481 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 95.16666666666667) internal successors, (571), 6 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,482 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,483 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,483 INFO  L175             Difference]: Start difference. First operand has 116 places, 98 transitions, 275 flow. Second operand 6 states and 571 transitions.
[2024-03-09 04:31:30,483 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 97 transitions, 309 flow
[2024-03-09 04:31:30,483 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 97 transitions, 301 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:31:30,484 INFO  L231             Difference]: Finished difference. Result has 113 places, 72 transitions, 201 flow
[2024-03-09 04:31:30,484 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=201, PETRI_PLACES=113, PETRI_TRANSITIONS=72}
[2024-03-09 04:31:30,485 INFO  L281   CegarLoopForPetriNet]: 109 programPoint places, 4 predicate places.
[2024-03-09 04:31:30,485 INFO  L495      AbstractCegarLoop]: Abstraction has has 113 places, 72 transitions, 201 flow
[2024-03-09 04:31:30,485 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 93.5) internal successors, (561), 6 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,485 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:30,485 INFO  L208   CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:30,486 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-03-09 04:31:30,486 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:30,486 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:30,486 INFO  L85        PathProgramCache]: Analyzing trace with hash -1376702855, now seen corresponding path program 1 times
[2024-03-09 04:31:30,486 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:30,486 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725916085]
[2024-03-09 04:31:30,486 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:30,486 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:30,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:30,512 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:31:30,525 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:30,533 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:31:30,533 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:31:30,533 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:31:30,533 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:31:30,533 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:31:30,533 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:31:30,533 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:31:30,533 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-03-09 04:31:30,533 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:31:30,534 WARN  L233   ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:31:30,534 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2024-03-09 04:31:30,549 INFO  L144    ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions.
[2024-03-09 04:31:30,550 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 127 places, 124 transitions, 303 flow
[2024-03-09 04:31:30,672 INFO  L124   PetriNetUnfolderBase]: 93/1471 cut-off events.
[2024-03-09 04:31:30,672 INFO  L125   PetriNetUnfolderBase]: For 110/110 co-relation queries the response was YES.
[2024-03-09 04:31:30,675 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1577 conditions, 1471 events. 93/1471 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7415 event pairs, 23 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 832. Up to 80 conditions per place. 
[2024-03-09 04:31:30,675 INFO  L82        GeneralOperation]: Start removeDead. Operand has 127 places, 124 transitions, 303 flow
[2024-03-09 04:31:30,679 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 118 places, 115 transitions, 285 flow
[2024-03-09 04:31:30,679 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:31:30,679 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:31:30,680 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:31:30,682 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:31:30,682 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:31:30,682 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:31:30,682 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:30,683 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:30,683 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:30,683 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:30,683 INFO  L85        PathProgramCache]: Analyzing trace with hash -306555004, now seen corresponding path program 1 times
[2024-03-09 04:31:30,683 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:30,683 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988391759]
[2024-03-09 04:31:30,683 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:30,683 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:30,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:30,798 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:30,798 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:30,798 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988391759]
[2024-03-09 04:31:30,798 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988391759] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:30,798 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:30,798 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:30,798 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443894357]
[2024-03-09 04:31:30,798 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:30,799 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:30,799 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:30,799 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:30,799 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:30,937 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 89 out of 124
[2024-03-09 04:31:30,937 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 115 transitions, 285 flow. Second operand  has 6 states, 6 states have (on average 90.16666666666667) internal successors, (541), 6 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:30,937 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:30,937 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 124
[2024-03-09 04:31:30,937 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:31,084 INFO  L124   PetriNetUnfolderBase]: 55/1087 cut-off events.
[2024-03-09 04:31:31,085 INFO  L125   PetriNetUnfolderBase]: For 285/285 co-relation queries the response was YES.
[2024-03-09 04:31:31,086 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1607 conditions, 1087 events. 55/1087 cut-off events. For 285/285 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4839 event pairs, 23 based on Foata normal form. 72/1087 useless extension candidates. Maximal degree in co-relation 857. Up to 402 conditions per place. 
[2024-03-09 04:31:31,088 INFO  L140   encePairwiseOnDemand]: 106/124 looper letters, 22 selfloop transitions, 8 changer transitions 12/121 dead transitions.
[2024-03-09 04:31:31,088 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 121 transitions, 373 flow
[2024-03-09 04:31:31,088 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:31,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:31,089 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 580 transitions.
[2024-03-09 04:31:31,089 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7795698924731183
[2024-03-09 04:31:31,089 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 580 transitions.
[2024-03-09 04:31:31,090 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 580 transitions.
[2024-03-09 04:31:31,090 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:31,090 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 580 transitions.
[2024-03-09 04:31:31,091 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,092 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,092 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,093 INFO  L175             Difference]: Start difference. First operand has 118 places, 115 transitions, 285 flow. Second operand 6 states and 580 transitions.
[2024-03-09 04:31:31,093 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 121 transitions, 373 flow
[2024-03-09 04:31:31,093 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 121 transitions, 373 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:31,095 INFO  L231             Difference]: Finished difference. Result has 124 places, 109 transitions, 319 flow
[2024-03-09 04:31:31,095 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=319, PETRI_PLACES=124, PETRI_TRANSITIONS=109}
[2024-03-09 04:31:31,095 INFO  L281   CegarLoopForPetriNet]: 118 programPoint places, 6 predicate places.
[2024-03-09 04:31:31,095 INFO  L495      AbstractCegarLoop]: Abstraction has has 124 places, 109 transitions, 319 flow
[2024-03-09 04:31:31,096 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 90.16666666666667) internal successors, (541), 6 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,096 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:31,096 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:31,096 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-03-09 04:31:31,096 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:31,096 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:31,096 INFO  L85        PathProgramCache]: Analyzing trace with hash -2060173929, now seen corresponding path program 1 times
[2024-03-09 04:31:31,096 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:31,097 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524716122]
[2024-03-09 04:31:31,097 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:31,097 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:31,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:31,141 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:31,141 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:31,142 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524716122]
[2024-03-09 04:31:31,142 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524716122] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:31,142 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:31,142 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:31,142 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60809879]
[2024-03-09 04:31:31,142 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:31,142 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:31:31,142 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:31,143 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:31:31,143 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:31:31,210 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 124
[2024-03-09 04:31:31,210 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 109 transitions, 319 flow. Second operand  has 5 states, 5 states have (on average 101.4) internal successors, (507), 5 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,211 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:31,211 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 124
[2024-03-09 04:31:31,211 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:31,314 INFO  L124   PetriNetUnfolderBase]: 53/849 cut-off events.
[2024-03-09 04:31:31,314 INFO  L125   PetriNetUnfolderBase]: For 286/286 co-relation queries the response was YES.
[2024-03-09 04:31:31,315 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1290 conditions, 849 events. 53/849 cut-off events. For 286/286 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3165 event pairs, 23 based on Foata normal form. 1/818 useless extension candidates. Maximal degree in co-relation 1232. Up to 170 conditions per place. 
[2024-03-09 04:31:31,317 INFO  L140   encePairwiseOnDemand]: 118/124 looper letters, 18 selfloop transitions, 2 changer transitions 3/109 dead transitions.
[2024-03-09 04:31:31,317 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 109 transitions, 350 flow
[2024-03-09 04:31:31,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:31,318 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:31,318 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 624 transitions.
[2024-03-09 04:31:31,319 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8387096774193549
[2024-03-09 04:31:31,319 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 624 transitions.
[2024-03-09 04:31:31,319 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 624 transitions.
[2024-03-09 04:31:31,319 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:31,319 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 624 transitions.
[2024-03-09 04:31:31,329 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 104.0) internal successors, (624), 6 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,331 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,331 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,331 INFO  L175             Difference]: Start difference. First operand has 124 places, 109 transitions, 319 flow. Second operand 6 states and 624 transitions.
[2024-03-09 04:31:31,331 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 109 transitions, 350 flow
[2024-03-09 04:31:31,332 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 109 transitions, 342 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:31,333 INFO  L231             Difference]: Finished difference. Result has 125 places, 106 transitions, 306 flow
[2024-03-09 04:31:31,333 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=306, PETRI_PLACES=125, PETRI_TRANSITIONS=106}
[2024-03-09 04:31:31,334 INFO  L281   CegarLoopForPetriNet]: 118 programPoint places, 7 predicate places.
[2024-03-09 04:31:31,334 INFO  L495      AbstractCegarLoop]: Abstraction has has 125 places, 106 transitions, 306 flow
[2024-03-09 04:31:31,334 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 101.4) internal successors, (507), 5 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,334 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:31,334 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:31,334 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-03-09 04:31:31,334 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:31,335 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:31,335 INFO  L85        PathProgramCache]: Analyzing trace with hash 790163043, now seen corresponding path program 1 times
[2024-03-09 04:31:31,335 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:31,335 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956369028]
[2024-03-09 04:31:31,335 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:31,335 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:31,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:31,498 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:31:31,498 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:31,498 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956369028]
[2024-03-09 04:31:31,498 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956369028] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:31,498 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:31,498 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:31,498 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246355055]
[2024-03-09 04:31:31,498 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:31,499 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:31,499 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:31,499 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:31,499 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:31,697 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 98 out of 124
[2024-03-09 04:31:31,698 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 106 transitions, 306 flow. Second operand  has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,698 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:31,698 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 124
[2024-03-09 04:31:31,698 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:31,815 INFO  L124   PetriNetUnfolderBase]: 53/814 cut-off events.
[2024-03-09 04:31:31,816 INFO  L125   PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES.
[2024-03-09 04:31:31,817 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1357 conditions, 814 events. 53/814 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2933 event pairs, 23 based on Foata normal form. 0/814 useless extension candidates. Maximal degree in co-relation 1301. Up to 144 conditions per place. 
[2024-03-09 04:31:31,818 INFO  L140   encePairwiseOnDemand]: 118/124 looper letters, 6 selfloop transitions, 0 changer transitions 26/105 dead transitions.
[2024-03-09 04:31:31,818 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 105 transitions, 344 flow
[2024-03-09 04:31:31,818 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:31,819 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:31,819 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 609 transitions.
[2024-03-09 04:31:31,820 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8185483870967742
[2024-03-09 04:31:31,820 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 609 transitions.
[2024-03-09 04:31:31,820 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 609 transitions.
[2024-03-09 04:31:31,820 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:31,820 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 609 transitions.
[2024-03-09 04:31:31,821 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 101.5) internal successors, (609), 6 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,822 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,823 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,823 INFO  L175             Difference]: Start difference. First operand has 125 places, 106 transitions, 306 flow. Second operand 6 states and 609 transitions.
[2024-03-09 04:31:31,823 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 105 transitions, 344 flow
[2024-03-09 04:31:31,824 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 105 transitions, 336 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:31:31,825 INFO  L231             Difference]: Finished difference. Result has 122 places, 79 transitions, 227 flow
[2024-03-09 04:31:31,825 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=227, PETRI_PLACES=122, PETRI_TRANSITIONS=79}
[2024-03-09 04:31:31,825 INFO  L281   CegarLoopForPetriNet]: 118 programPoint places, 4 predicate places.
[2024-03-09 04:31:31,825 INFO  L495      AbstractCegarLoop]: Abstraction has has 122 places, 79 transitions, 227 flow
[2024-03-09 04:31:31,825 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 99.5) internal successors, (597), 6 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:31,825 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:31,826 INFO  L208   CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:31,826 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-03-09 04:31:31,826 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:31,826 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:31,826 INFO  L85        PathProgramCache]: Analyzing trace with hash -189407249, now seen corresponding path program 1 times
[2024-03-09 04:31:31,826 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:31,826 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636392426]
[2024-03-09 04:31:31,826 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:31,826 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:31,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:31,856 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:31:31,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:31,879 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:31:31,879 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:31:31,879 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:31:31,879 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:31:31,879 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:31:31,879 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:31:31,879 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:31:31,880 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-03-09 04:31:31,880 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:31:31,880 WARN  L233   ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:31:31,880 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances.
[2024-03-09 04:31:31,897 INFO  L144    ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions.
[2024-03-09 04:31:31,899 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 136 places, 132 transitions, 336 flow
[2024-03-09 04:31:32,190 INFO  L124   PetriNetUnfolderBase]: 207/2827 cut-off events.
[2024-03-09 04:31:32,190 INFO  L125   PetriNetUnfolderBase]: For 242/242 co-relation queries the response was YES.
[2024-03-09 04:31:32,194 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3053 conditions, 2827 events. 207/2827 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 18575 event pairs, 72 based on Foata normal form. 0/2485 useless extension candidates. Maximal degree in co-relation 1570. Up to 192 conditions per place. 
[2024-03-09 04:31:32,194 INFO  L82        GeneralOperation]: Start removeDead. Operand has 136 places, 132 transitions, 336 flow
[2024-03-09 04:31:32,199 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 127 places, 123 transitions, 318 flow
[2024-03-09 04:31:32,200 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:31:32,200 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:31:32,200 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:31:32,202 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:31:32,202 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:31:32,202 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:31:32,202 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:32,203 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:32,203 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:32,203 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:32,203 INFO  L85        PathProgramCache]: Analyzing trace with hash -1420070776, now seen corresponding path program 1 times
[2024-03-09 04:31:32,203 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:32,203 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761624980]
[2024-03-09 04:31:32,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:32,203 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:32,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:32,314 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:32,314 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:32,314 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761624980]
[2024-03-09 04:31:32,314 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761624980] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:32,314 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:32,314 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:32,315 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529765137]
[2024-03-09 04:31:32,315 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:32,315 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:32,315 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:32,315 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:32,315 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:32,468 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 95 out of 132
[2024-03-09 04:31:32,469 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 318 flow. Second operand  has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:32,469 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:32,469 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 132
[2024-03-09 04:31:32,469 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:32,749 INFO  L124   PetriNetUnfolderBase]: 136/2057 cut-off events.
[2024-03-09 04:31:32,749 INFO  L125   PetriNetUnfolderBase]: For 647/647 co-relation queries the response was YES.
[2024-03-09 04:31:32,751 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3103 conditions, 2057 events. 136/2057 cut-off events. For 647/647 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 12183 event pairs, 72 based on Foata normal form. 137/2057 useless extension candidates. Maximal degree in co-relation 1599. Up to 808 conditions per place. 
[2024-03-09 04:31:32,755 INFO  L140   encePairwiseOnDemand]: 114/132 looper letters, 24 selfloop transitions, 8 changer transitions 12/129 dead transitions.
[2024-03-09 04:31:32,755 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 129 transitions, 410 flow
[2024-03-09 04:31:32,756 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:32,756 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:32,757 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 618 transitions.
[2024-03-09 04:31:32,757 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7803030303030303
[2024-03-09 04:31:32,757 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 618 transitions.
[2024-03-09 04:31:32,757 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 618 transitions.
[2024-03-09 04:31:32,757 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:32,757 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 618 transitions.
[2024-03-09 04:31:32,759 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:32,760 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:32,760 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:32,760 INFO  L175             Difference]: Start difference. First operand has 127 places, 123 transitions, 318 flow. Second operand 6 states and 618 transitions.
[2024-03-09 04:31:32,760 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 129 transitions, 410 flow
[2024-03-09 04:31:32,761 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 129 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:32,763 INFO  L231             Difference]: Finished difference. Result has 133 places, 117 transitions, 352 flow
[2024-03-09 04:31:32,763 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=352, PETRI_PLACES=133, PETRI_TRANSITIONS=117}
[2024-03-09 04:31:32,763 INFO  L281   CegarLoopForPetriNet]: 127 programPoint places, 6 predicate places.
[2024-03-09 04:31:32,763 INFO  L495      AbstractCegarLoop]: Abstraction has has 133 places, 117 transitions, 352 flow
[2024-03-09 04:31:32,764 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:32,764 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:32,764 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:32,764 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-03-09 04:31:32,764 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:32,764 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:32,764 INFO  L85        PathProgramCache]: Analyzing trace with hash 751965975, now seen corresponding path program 1 times
[2024-03-09 04:31:32,764 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:32,764 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479894563]
[2024-03-09 04:31:32,764 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:32,765 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:32,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:32,809 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:32,809 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:32,809 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479894563]
[2024-03-09 04:31:32,809 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479894563] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:32,809 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:32,809 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:32,810 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282180098]
[2024-03-09 04:31:32,810 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:32,810 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:31:32,810 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:32,810 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:31:32,810 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:31:32,864 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 106 out of 132
[2024-03-09 04:31:32,864 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 117 transitions, 352 flow. Second operand  has 5 states, 5 states have (on average 107.4) internal successors, (537), 5 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:32,864 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:32,864 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 132
[2024-03-09 04:31:32,864 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:33,093 INFO  L124   PetriNetUnfolderBase]: 134/1595 cut-off events.
[2024-03-09 04:31:33,093 INFO  L125   PetriNetUnfolderBase]: For 648/648 co-relation queries the response was YES.
[2024-03-09 04:31:33,095 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2469 conditions, 1595 events. 134/1595 cut-off events. For 648/648 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8022 event pairs, 72 based on Foata normal form. 1/1532 useless extension candidates. Maximal degree in co-relation 2410. Up to 351 conditions per place. 
[2024-03-09 04:31:33,098 INFO  L140   encePairwiseOnDemand]: 126/132 looper letters, 20 selfloop transitions, 2 changer transitions 3/117 dead transitions.
[2024-03-09 04:31:33,098 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 117 transitions, 387 flow
[2024-03-09 04:31:33,099 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:33,099 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:33,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 662 transitions.
[2024-03-09 04:31:33,100 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8358585858585859
[2024-03-09 04:31:33,100 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 662 transitions.
[2024-03-09 04:31:33,100 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 662 transitions.
[2024-03-09 04:31:33,101 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:33,101 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 662 transitions.
[2024-03-09 04:31:33,102 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:33,103 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:33,103 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:33,103 INFO  L175             Difference]: Start difference. First operand has 133 places, 117 transitions, 352 flow. Second operand 6 states and 662 transitions.
[2024-03-09 04:31:33,104 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 117 transitions, 387 flow
[2024-03-09 04:31:33,105 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 117 transitions, 379 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:33,106 INFO  L231             Difference]: Finished difference. Result has 134 places, 114 transitions, 339 flow
[2024-03-09 04:31:33,106 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=339, PETRI_PLACES=134, PETRI_TRANSITIONS=114}
[2024-03-09 04:31:33,107 INFO  L281   CegarLoopForPetriNet]: 127 programPoint places, 7 predicate places.
[2024-03-09 04:31:33,107 INFO  L495      AbstractCegarLoop]: Abstraction has has 134 places, 114 transitions, 339 flow
[2024-03-09 04:31:33,107 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 107.4) internal successors, (537), 5 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:33,107 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:33,107 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:33,107 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-03-09 04:31:33,107 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:33,107 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:33,108 INFO  L85        PathProgramCache]: Analyzing trace with hash 1476286701, now seen corresponding path program 1 times
[2024-03-09 04:31:33,108 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:33,108 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558922275]
[2024-03-09 04:31:33,108 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:33,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:33,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:33,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:31:33,276 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:33,276 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558922275]
[2024-03-09 04:31:33,276 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558922275] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:33,276 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:33,276 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:33,276 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140014588]
[2024-03-09 04:31:33,276 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:33,277 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:33,277 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:33,277 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:33,277 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:33,464 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 132
[2024-03-09 04:31:33,464 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 114 transitions, 339 flow. Second operand  has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:33,465 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:33,465 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 132
[2024-03-09 04:31:33,465 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:33,733 INFO  L124   PetriNetUnfolderBase]: 134/1528 cut-off events.
[2024-03-09 04:31:33,733 INFO  L125   PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES.
[2024-03-09 04:31:33,737 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2601 conditions, 1528 events. 134/1528 cut-off events. For 271/271 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7455 event pairs, 72 based on Foata normal form. 0/1528 useless extension candidates. Maximal degree in co-relation 2544. Up to 320 conditions per place. 
[2024-03-09 04:31:33,739 INFO  L140   encePairwiseOnDemand]: 126/132 looper letters, 7 selfloop transitions, 0 changer transitions 27/113 dead transitions.
[2024-03-09 04:31:33,739 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 113 transitions, 381 flow
[2024-03-09 04:31:33,739 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:33,739 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:33,741 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 647 transitions.
[2024-03-09 04:31:33,741 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8169191919191919
[2024-03-09 04:31:33,741 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 647 transitions.
[2024-03-09 04:31:33,741 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 647 transitions.
[2024-03-09 04:31:33,741 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:33,741 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 647 transitions.
[2024-03-09 04:31:33,743 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 107.83333333333333) internal successors, (647), 6 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:33,744 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:33,744 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:33,744 INFO  L175             Difference]: Start difference. First operand has 134 places, 114 transitions, 339 flow. Second operand 6 states and 647 transitions.
[2024-03-09 04:31:33,744 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 113 transitions, 381 flow
[2024-03-09 04:31:33,746 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 113 transitions, 373 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:31:33,747 INFO  L231             Difference]: Finished difference. Result has 131 places, 86 transitions, 255 flow
[2024-03-09 04:31:33,747 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=255, PETRI_PLACES=131, PETRI_TRANSITIONS=86}
[2024-03-09 04:31:33,747 INFO  L281   CegarLoopForPetriNet]: 127 programPoint places, 4 predicate places.
[2024-03-09 04:31:33,748 INFO  L495      AbstractCegarLoop]: Abstraction has has 131 places, 86 transitions, 255 flow
[2024-03-09 04:31:33,748 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:33,748 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:33,748 INFO  L208   CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:33,748 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-03-09 04:31:33,748 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:33,749 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:33,749 INFO  L85        PathProgramCache]: Analyzing trace with hash 1058559972, now seen corresponding path program 1 times
[2024-03-09 04:31:33,749 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:33,749 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630093064]
[2024-03-09 04:31:33,749 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:33,749 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:33,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:33,784 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:31:33,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:33,813 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:31:33,813 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:31:33,813 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:31:33,813 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:31:33,813 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:31:33,813 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:31:33,813 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:31:33,813 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-03-09 04:31:33,814 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:31:33,814 WARN  L233   ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:31:33,814 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances.
[2024-03-09 04:31:33,834 INFO  L144    ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions.
[2024-03-09 04:31:33,836 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 145 places, 140 transitions, 371 flow
[2024-03-09 04:31:34,409 INFO  L124   PetriNetUnfolderBase]: 465/5543 cut-off events.
[2024-03-09 04:31:34,409 INFO  L125   PetriNetUnfolderBase]: For 525/525 co-relation queries the response was YES.
[2024-03-09 04:31:34,417 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 6034 conditions, 5543 events. 465/5543 cut-off events. For 525/525 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 45623 event pairs, 201 based on Foata normal form. 0/4878 useless extension candidates. Maximal degree in co-relation 3045. Up to 448 conditions per place. 
[2024-03-09 04:31:34,417 INFO  L82        GeneralOperation]: Start removeDead. Operand has 145 places, 140 transitions, 371 flow
[2024-03-09 04:31:34,426 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 136 places, 131 transitions, 353 flow
[2024-03-09 04:31:34,427 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:31:34,427 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:31:34,427 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:31:34,429 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:31:34,429 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:31:34,429 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:31:34,429 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:34,429 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:34,429 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:34,430 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:34,430 INFO  L85        PathProgramCache]: Analyzing trace with hash 2084346516, now seen corresponding path program 1 times
[2024-03-09 04:31:34,430 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:34,430 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671580247]
[2024-03-09 04:31:34,430 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:34,430 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:34,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:34,538 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:34,539 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:34,539 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671580247]
[2024-03-09 04:31:34,539 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671580247] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:34,539 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:34,539 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:34,539 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186017673]
[2024-03-09 04:31:34,539 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:34,539 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:34,539 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:34,540 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:34,540 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:34,709 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 101 out of 140
[2024-03-09 04:31:34,710 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 131 transitions, 353 flow. Second operand  has 6 states, 6 states have (on average 102.16666666666667) internal successors, (613), 6 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:34,710 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:34,710 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 140
[2024-03-09 04:31:34,710 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:35,240 INFO  L124   PetriNetUnfolderBase]: 329/4003 cut-off events.
[2024-03-09 04:31:35,240 INFO  L125   PetriNetUnfolderBase]: For 1449/1449 co-relation queries the response was YES.
[2024-03-09 04:31:35,252 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 6152 conditions, 4003 events. 329/4003 cut-off events. For 1449/1449 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 29861 event pairs, 201 based on Foata normal form. 266/4003 useless extension candidates. Maximal degree in co-relation 3094. Up to 1646 conditions per place. 
[2024-03-09 04:31:35,260 INFO  L140   encePairwiseOnDemand]: 122/140 looper letters, 26 selfloop transitions, 8 changer transitions 12/137 dead transitions.
[2024-03-09 04:31:35,260 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 137 transitions, 449 flow
[2024-03-09 04:31:35,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:35,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:35,261 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 656 transitions.
[2024-03-09 04:31:35,262 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.780952380952381
[2024-03-09 04:31:35,262 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 656 transitions.
[2024-03-09 04:31:35,262 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 656 transitions.
[2024-03-09 04:31:35,262 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:35,262 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 656 transitions.
[2024-03-09 04:31:35,263 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:35,265 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:35,265 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:35,265 INFO  L175             Difference]: Start difference. First operand has 136 places, 131 transitions, 353 flow. Second operand 6 states and 656 transitions.
[2024-03-09 04:31:35,265 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 137 transitions, 449 flow
[2024-03-09 04:31:35,266 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 137 transitions, 449 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:35,267 INFO  L231             Difference]: Finished difference. Result has 142 places, 125 transitions, 387 flow
[2024-03-09 04:31:35,267 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=142, PETRI_TRANSITIONS=125}
[2024-03-09 04:31:35,268 INFO  L281   CegarLoopForPetriNet]: 136 programPoint places, 6 predicate places.
[2024-03-09 04:31:35,268 INFO  L495      AbstractCegarLoop]: Abstraction has has 142 places, 125 transitions, 387 flow
[2024-03-09 04:31:35,268 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 102.16666666666667) internal successors, (613), 6 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:35,268 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:35,268 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:35,268 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-03-09 04:31:35,269 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:35,269 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:35,269 INFO  L85        PathProgramCache]: Analyzing trace with hash -2122234985, now seen corresponding path program 1 times
[2024-03-09 04:31:35,269 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:35,269 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716336163]
[2024-03-09 04:31:35,269 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:35,269 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:35,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:35,309 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:35,309 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:35,309 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716336163]
[2024-03-09 04:31:35,309 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716336163] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:35,309 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:35,309 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:35,309 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807103387]
[2024-03-09 04:31:35,309 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:35,309 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:31:35,310 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:35,310 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:31:35,310 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:31:35,351 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 112 out of 140
[2024-03-09 04:31:35,351 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 125 transitions, 387 flow. Second operand  has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:35,351 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:35,351 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 140
[2024-03-09 04:31:35,352 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:35,815 INFO  L124   PetriNetUnfolderBase]: 327/3093 cut-off events.
[2024-03-09 04:31:35,815 INFO  L125   PetriNetUnfolderBase]: For 1450/1450 co-relation queries the response was YES.
[2024-03-09 04:31:35,826 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4881 conditions, 3093 events. 327/3093 cut-off events. For 1450/1450 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 20164 event pairs, 201 based on Foata normal form. 1/2966 useless extension candidates. Maximal degree in co-relation 4821. Up to 740 conditions per place. 
[2024-03-09 04:31:35,832 INFO  L140   encePairwiseOnDemand]: 134/140 looper letters, 22 selfloop transitions, 2 changer transitions 3/125 dead transitions.
[2024-03-09 04:31:35,832 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 125 transitions, 426 flow
[2024-03-09 04:31:35,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:35,833 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:35,833 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 700 transitions.
[2024-03-09 04:31:35,834 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8333333333333334
[2024-03-09 04:31:35,834 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 700 transitions.
[2024-03-09 04:31:35,834 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 700 transitions.
[2024-03-09 04:31:35,834 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:35,834 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 700 transitions.
[2024-03-09 04:31:35,835 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 116.66666666666667) internal successors, (700), 6 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:35,836 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:35,837 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:35,837 INFO  L175             Difference]: Start difference. First operand has 142 places, 125 transitions, 387 flow. Second operand 6 states and 700 transitions.
[2024-03-09 04:31:35,837 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 125 transitions, 426 flow
[2024-03-09 04:31:35,840 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 125 transitions, 418 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:35,842 INFO  L231             Difference]: Finished difference. Result has 143 places, 122 transitions, 374 flow
[2024-03-09 04:31:35,842 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=374, PETRI_PLACES=143, PETRI_TRANSITIONS=122}
[2024-03-09 04:31:35,842 INFO  L281   CegarLoopForPetriNet]: 136 programPoint places, 7 predicate places.
[2024-03-09 04:31:35,842 INFO  L495      AbstractCegarLoop]: Abstraction has has 143 places, 122 transitions, 374 flow
[2024-03-09 04:31:35,842 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 113.4) internal successors, (567), 5 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:35,842 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:35,843 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:35,843 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-03-09 04:31:35,843 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:35,843 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:35,843 INFO  L85        PathProgramCache]: Analyzing trace with hash -981809025, now seen corresponding path program 1 times
[2024-03-09 04:31:35,843 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:35,843 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552823525]
[2024-03-09 04:31:35,843 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:35,843 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:35,855 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:36,003 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:31:36,003 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:36,004 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552823525]
[2024-03-09 04:31:36,004 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552823525] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:36,004 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:36,004 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:36,004 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714425117]
[2024-03-09 04:31:36,004 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:36,004 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:36,004 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:36,005 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:36,005 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:36,199 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 110 out of 140
[2024-03-09 04:31:36,200 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 122 transitions, 374 flow. Second operand  has 6 states, 6 states have (on average 111.5) internal successors, (669), 6 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:36,200 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:36,200 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 140
[2024-03-09 04:31:36,200 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:36,611 INFO  L124   PetriNetUnfolderBase]: 327/2962 cut-off events.
[2024-03-09 04:31:36,611 INFO  L125   PetriNetUnfolderBase]: For 562/562 co-relation queries the response was YES.
[2024-03-09 04:31:36,621 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5142 conditions, 2962 events. 327/2962 cut-off events. For 562/562 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 18854 event pairs, 201 based on Foata normal form. 0/2962 useless extension candidates. Maximal degree in co-relation 5084. Up to 704 conditions per place. 
[2024-03-09 04:31:36,623 INFO  L140   encePairwiseOnDemand]: 134/140 looper letters, 8 selfloop transitions, 0 changer transitions 28/121 dead transitions.
[2024-03-09 04:31:36,623 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 121 transitions, 420 flow
[2024-03-09 04:31:36,623 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:36,623 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:36,624 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 685 transitions.
[2024-03-09 04:31:36,624 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8154761904761905
[2024-03-09 04:31:36,624 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 685 transitions.
[2024-03-09 04:31:36,624 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 685 transitions.
[2024-03-09 04:31:36,624 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:36,625 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 685 transitions.
[2024-03-09 04:31:36,625 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:36,626 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:36,627 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:36,627 INFO  L175             Difference]: Start difference. First operand has 143 places, 122 transitions, 374 flow. Second operand 6 states and 685 transitions.
[2024-03-09 04:31:36,627 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 121 transitions, 420 flow
[2024-03-09 04:31:36,628 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 121 transitions, 412 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:31:36,629 INFO  L231             Difference]: Finished difference. Result has 140 places, 93 transitions, 285 flow
[2024-03-09 04:31:36,630 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=140, PETRI_TRANSITIONS=93}
[2024-03-09 04:31:36,630 INFO  L281   CegarLoopForPetriNet]: 136 programPoint places, 4 predicate places.
[2024-03-09 04:31:36,630 INFO  L495      AbstractCegarLoop]: Abstraction has has 140 places, 93 transitions, 285 flow
[2024-03-09 04:31:36,630 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 111.5) internal successors, (669), 6 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:36,630 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:36,631 INFO  L208   CegarLoopForPetriNet]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:36,631 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-03-09 04:31:36,631 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:36,631 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:36,631 INFO  L85        PathProgramCache]: Analyzing trace with hash -93529234, now seen corresponding path program 1 times
[2024-03-09 04:31:36,631 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:36,631 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926957631]
[2024-03-09 04:31:36,631 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:36,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:36,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:36,664 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:31:36,681 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:36,694 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:31:36,694 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:31:36,694 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:31:36,694 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:31:36,694 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:31:36,694 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:31:36,694 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:31:36,695 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-03-09 04:31:36,695 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:31:36,695 WARN  L233   ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:31:36,695 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances.
[2024-03-09 04:31:36,712 INFO  L144    ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2024-03-09 04:31:36,713 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 154 places, 148 transitions, 408 flow
[2024-03-09 04:31:38,060 INFO  L124   PetriNetUnfolderBase]: 1043/11011 cut-off events.
[2024-03-09 04:31:38,060 INFO  L125   PetriNetUnfolderBase]: For 1136/1136 co-relation queries the response was YES.
[2024-03-09 04:31:38,081 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 12088 conditions, 11011 events. 1043/11011 cut-off events. For 1136/1136 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 107900 event pairs, 522 based on Foata normal form. 0/9703 useless extension candidates. Maximal degree in co-relation 6025. Up to 1024 conditions per place. 
[2024-03-09 04:31:38,081 INFO  L82        GeneralOperation]: Start removeDead. Operand has 154 places, 148 transitions, 408 flow
[2024-03-09 04:31:38,099 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 145 places, 139 transitions, 390 flow
[2024-03-09 04:31:38,100 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:31:38,100 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:31:38,100 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:31:38,103 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:31:38,103 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:31:38,103 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:31:38,103 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:38,103 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:38,103 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:38,103 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:38,103 INFO  L85        PathProgramCache]: Analyzing trace with hash 1616762280, now seen corresponding path program 1 times
[2024-03-09 04:31:38,103 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:38,104 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942693458]
[2024-03-09 04:31:38,104 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:38,104 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:38,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:38,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:38,211 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:38,212 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942693458]
[2024-03-09 04:31:38,212 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942693458] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:38,212 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:38,212 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:38,212 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251394222]
[2024-03-09 04:31:38,212 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:38,212 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:38,212 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:38,213 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:38,213 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:38,341 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 107 out of 148
[2024-03-09 04:31:38,342 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 139 transitions, 390 flow. Second operand  has 6 states, 6 states have (on average 108.16666666666667) internal successors, (649), 6 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:38,342 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:38,342 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 148
[2024-03-09 04:31:38,342 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:39,502 INFO  L124   PetriNetUnfolderBase]: 778/7933 cut-off events.
[2024-03-09 04:31:39,503 INFO  L125   PetriNetUnfolderBase]: For 3220/3220 co-relation queries the response was YES.
[2024-03-09 04:31:39,522 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 12402 conditions, 7933 events. 778/7933 cut-off events. For 3220/3220 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 71712 event pairs, 522 based on Foata normal form. 523/7933 useless extension candidates. Maximal degree in co-relation 6142. Up to 3380 conditions per place. 
[2024-03-09 04:31:39,535 INFO  L140   encePairwiseOnDemand]: 130/148 looper letters, 28 selfloop transitions, 8 changer transitions 12/145 dead transitions.
[2024-03-09 04:31:39,535 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 145 transitions, 490 flow
[2024-03-09 04:31:39,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:39,536 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:39,536 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 694 transitions.
[2024-03-09 04:31:39,537 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7815315315315315
[2024-03-09 04:31:39,537 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 694 transitions.
[2024-03-09 04:31:39,537 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 694 transitions.
[2024-03-09 04:31:39,537 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:39,537 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 694 transitions.
[2024-03-09 04:31:39,538 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:39,540 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:39,540 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:39,540 INFO  L175             Difference]: Start difference. First operand has 145 places, 139 transitions, 390 flow. Second operand 6 states and 694 transitions.
[2024-03-09 04:31:39,540 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 145 transitions, 490 flow
[2024-03-09 04:31:39,543 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 145 transitions, 490 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:39,544 INFO  L231             Difference]: Finished difference. Result has 151 places, 133 transitions, 424 flow
[2024-03-09 04:31:39,544 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=424, PETRI_PLACES=151, PETRI_TRANSITIONS=133}
[2024-03-09 04:31:39,545 INFO  L281   CegarLoopForPetriNet]: 145 programPoint places, 6 predicate places.
[2024-03-09 04:31:39,545 INFO  L495      AbstractCegarLoop]: Abstraction has has 151 places, 133 transitions, 424 flow
[2024-03-09 04:31:39,545 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 108.16666666666667) internal successors, (649), 6 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:39,545 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:39,545 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:39,545 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-03-09 04:31:39,546 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:39,546 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:39,546 INFO  L85        PathProgramCache]: Analyzing trace with hash -2092842217, now seen corresponding path program 1 times
[2024-03-09 04:31:39,546 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:39,546 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371602631]
[2024-03-09 04:31:39,546 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:39,546 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:39,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:39,597 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:39,597 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:39,597 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371602631]
[2024-03-09 04:31:39,597 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371602631] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:39,597 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:39,597 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:39,598 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619917758]
[2024-03-09 04:31:39,598 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:39,598 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:31:39,598 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:39,598 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:31:39,598 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:31:39,639 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 118 out of 148
[2024-03-09 04:31:39,640 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 133 transitions, 424 flow. Second operand  has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:39,640 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:39,640 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 148
[2024-03-09 04:31:39,640 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:40,547 INFO  L124   PetriNetUnfolderBase]: 776/6127 cut-off events.
[2024-03-09 04:31:40,547 INFO  L125   PetriNetUnfolderBase]: For 3221/3221 co-relation queries the response was YES.
[2024-03-09 04:31:40,567 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 9854 conditions, 6127 events. 776/6127 cut-off events. For 3221/3221 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 49268 event pairs, 522 based on Foata normal form. 1/5872 useless extension candidates. Maximal degree in co-relation 9793. Up to 1577 conditions per place. 
[2024-03-09 04:31:40,578 INFO  L140   encePairwiseOnDemand]: 142/148 looper letters, 24 selfloop transitions, 2 changer transitions 3/133 dead transitions.
[2024-03-09 04:31:40,578 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 133 transitions, 467 flow
[2024-03-09 04:31:40,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:40,579 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:40,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 738 transitions.
[2024-03-09 04:31:40,580 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.831081081081081
[2024-03-09 04:31:40,580 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 738 transitions.
[2024-03-09 04:31:40,580 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 738 transitions.
[2024-03-09 04:31:40,580 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:40,580 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 738 transitions.
[2024-03-09 04:31:40,581 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 123.0) internal successors, (738), 6 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:40,582 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:40,582 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:40,582 INFO  L175             Difference]: Start difference. First operand has 151 places, 133 transitions, 424 flow. Second operand 6 states and 738 transitions.
[2024-03-09 04:31:40,582 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 133 transitions, 467 flow
[2024-03-09 04:31:40,590 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 133 transitions, 459 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:40,592 INFO  L231             Difference]: Finished difference. Result has 152 places, 130 transitions, 411 flow
[2024-03-09 04:31:40,592 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=411, PETRI_PLACES=152, PETRI_TRANSITIONS=130}
[2024-03-09 04:31:40,592 INFO  L281   CegarLoopForPetriNet]: 145 programPoint places, 7 predicate places.
[2024-03-09 04:31:40,592 INFO  L495      AbstractCegarLoop]: Abstraction has has 152 places, 130 transitions, 411 flow
[2024-03-09 04:31:40,592 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 119.4) internal successors, (597), 5 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:40,593 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:40,593 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:40,593 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-03-09 04:31:40,593 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:40,593 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:40,593 INFO  L85        PathProgramCache]: Analyzing trace with hash 2005810457, now seen corresponding path program 1 times
[2024-03-09 04:31:40,593 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:40,593 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379699063]
[2024-03-09 04:31:40,593 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:40,593 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:40,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:40,797 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:31:40,798 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:40,798 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379699063]
[2024-03-09 04:31:40,798 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379699063] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:40,798 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:40,798 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:40,798 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159401544]
[2024-03-09 04:31:40,798 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:40,799 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:40,799 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:40,799 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:40,799 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:40,990 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 116 out of 148
[2024-03-09 04:31:40,991 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 130 transitions, 411 flow. Second operand  has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:40,991 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:40,991 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 148
[2024-03-09 04:31:40,991 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:42,142 INFO  L124   PetriNetUnfolderBase]: 776/5868 cut-off events.
[2024-03-09 04:31:42,143 INFO  L125   PetriNetUnfolderBase]: For 1182/1182 co-relation queries the response was YES.
[2024-03-09 04:31:42,171 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 10372 conditions, 5868 events. 776/5868 cut-off events. For 1182/1182 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 46024 event pairs, 522 based on Foata normal form. 0/5868 useless extension candidates. Maximal degree in co-relation 10313. Up to 1536 conditions per place. 
[2024-03-09 04:31:42,174 INFO  L140   encePairwiseOnDemand]: 142/148 looper letters, 9 selfloop transitions, 0 changer transitions 29/129 dead transitions.
[2024-03-09 04:31:42,174 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 129 transitions, 461 flow
[2024-03-09 04:31:42,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:42,175 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:42,176 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 723 transitions.
[2024-03-09 04:31:42,176 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8141891891891891
[2024-03-09 04:31:42,176 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 723 transitions.
[2024-03-09 04:31:42,176 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 723 transitions.
[2024-03-09 04:31:42,177 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:42,177 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 723 transitions.
[2024-03-09 04:31:42,178 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 120.5) internal successors, (723), 6 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:42,179 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:42,179 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:42,179 INFO  L175             Difference]: Start difference. First operand has 152 places, 130 transitions, 411 flow. Second operand 6 states and 723 transitions.
[2024-03-09 04:31:42,179 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 129 transitions, 461 flow
[2024-03-09 04:31:42,182 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 129 transitions, 453 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:31:42,183 INFO  L231             Difference]: Finished difference. Result has 149 places, 100 transitions, 317 flow
[2024-03-09 04:31:42,183 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=317, PETRI_PLACES=149, PETRI_TRANSITIONS=100}
[2024-03-09 04:31:42,183 INFO  L281   CegarLoopForPetriNet]: 145 programPoint places, 4 predicate places.
[2024-03-09 04:31:42,184 INFO  L495      AbstractCegarLoop]: Abstraction has has 149 places, 100 transitions, 317 flow
[2024-03-09 04:31:42,184 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:42,184 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:42,184 INFO  L208   CegarLoopForPetriNet]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:42,184 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-03-09 04:31:42,184 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:42,184 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:42,184 INFO  L85        PathProgramCache]: Analyzing trace with hash 572697199, now seen corresponding path program 1 times
[2024-03-09 04:31:42,185 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:42,185 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452948262]
[2024-03-09 04:31:42,185 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:42,185 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:42,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:42,233 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:31:42,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:42,271 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:31:42,271 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:31:42,271 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:31:42,271 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:31:42,272 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:31:42,272 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:31:42,272 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:31:42,272 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-03-09 04:31:42,272 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:31:42,272 WARN  L233   ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:31:42,272 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances.
[2024-03-09 04:31:42,298 INFO  L144    ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions.
[2024-03-09 04:31:42,299 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 163 places, 156 transitions, 447 flow
[2024-03-09 04:31:45,221 INFO  L124   PetriNetUnfolderBase]: 2325/22047 cut-off events.
[2024-03-09 04:31:45,221 INFO  L125   PetriNetUnfolderBase]: For 2460/2460 co-relation queries the response was YES.
[2024-03-09 04:31:45,267 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 24415 conditions, 22047 events. 2325/22047 cut-off events. For 2460/2460 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 251426 event pairs, 1291 based on Foata normal form. 0/19456 useless extension candidates. Maximal degree in co-relation 12078. Up to 2304 conditions per place. 
[2024-03-09 04:31:45,267 INFO  L82        GeneralOperation]: Start removeDead. Operand has 163 places, 156 transitions, 447 flow
[2024-03-09 04:31:45,295 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 154 places, 147 transitions, 429 flow
[2024-03-09 04:31:45,296 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:31:45,296 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:31:45,296 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:31:45,298 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:31:45,298 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:31:45,298 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:31:45,298 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:45,298 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:45,298 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:45,298 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:45,298 INFO  L85        PathProgramCache]: Analyzing trace with hash 1472143812, now seen corresponding path program 1 times
[2024-03-09 04:31:45,298 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:45,298 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372002708]
[2024-03-09 04:31:45,298 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:45,298 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:45,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:45,407 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:45,407 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:45,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372002708]
[2024-03-09 04:31:45,407 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372002708] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:45,407 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:45,407 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:45,407 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921708226]
[2024-03-09 04:31:45,407 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:45,407 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:45,408 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:45,408 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:45,408 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:45,533 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 113 out of 156
[2024-03-09 04:31:45,533 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 147 transitions, 429 flow. Second operand  has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:45,533 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:45,533 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 156
[2024-03-09 04:31:45,533 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:48,236 INFO  L124   PetriNetUnfolderBase]: 1803/15895 cut-off events.
[2024-03-09 04:31:48,236 INFO  L125   PetriNetUnfolderBase]: For 7113/7113 co-relation queries the response was YES.
[2024-03-09 04:31:48,276 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 25245 conditions, 15895 events. 1803/15895 cut-off events. For 7113/7113 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 167919 event pairs, 1291 based on Foata normal form. 1036/15895 useless extension candidates. Maximal degree in co-relation 12391. Up to 6970 conditions per place. 
[2024-03-09 04:31:48,301 INFO  L140   encePairwiseOnDemand]: 138/156 looper letters, 30 selfloop transitions, 8 changer transitions 12/153 dead transitions.
[2024-03-09 04:31:48,302 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 153 transitions, 533 flow
[2024-03-09 04:31:48,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:48,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:48,303 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 732 transitions.
[2024-03-09 04:31:48,303 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.782051282051282
[2024-03-09 04:31:48,303 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 732 transitions.
[2024-03-09 04:31:48,303 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 732 transitions.
[2024-03-09 04:31:48,303 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:48,304 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 732 transitions.
[2024-03-09 04:31:48,304 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:48,305 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:48,305 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:48,305 INFO  L175             Difference]: Start difference. First operand has 154 places, 147 transitions, 429 flow. Second operand 6 states and 732 transitions.
[2024-03-09 04:31:48,305 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 153 transitions, 533 flow
[2024-03-09 04:31:48,307 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 153 transitions, 533 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:48,309 INFO  L231             Difference]: Finished difference. Result has 160 places, 141 transitions, 463 flow
[2024-03-09 04:31:48,309 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=463, PETRI_PLACES=160, PETRI_TRANSITIONS=141}
[2024-03-09 04:31:48,309 INFO  L281   CegarLoopForPetriNet]: 154 programPoint places, 6 predicate places.
[2024-03-09 04:31:48,309 INFO  L495      AbstractCegarLoop]: Abstraction has has 160 places, 141 transitions, 463 flow
[2024-03-09 04:31:48,309 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:48,309 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:48,310 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:48,310 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-03-09 04:31:48,310 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:48,310 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:48,310 INFO  L85        PathProgramCache]: Analyzing trace with hash 840144279, now seen corresponding path program 1 times
[2024-03-09 04:31:48,310 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:48,310 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487101280]
[2024-03-09 04:31:48,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:48,310 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:48,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:48,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:31:48,354 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:48,355 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487101280]
[2024-03-09 04:31:48,355 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487101280] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:48,355 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:48,355 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:48,355 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472426382]
[2024-03-09 04:31:48,355 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:48,355 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:31:48,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:48,355 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:31:48,356 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:31:48,438 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 124 out of 156
[2024-03-09 04:31:48,438 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 141 transitions, 463 flow. Second operand  has 5 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:48,438 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:48,438 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 156
[2024-03-09 04:31:48,439 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:50,645 INFO  L124   PetriNetUnfolderBase]: 1801/12297 cut-off events.
[2024-03-09 04:31:50,646 INFO  L125   PetriNetUnfolderBase]: For 7114/7114 co-relation queries the response was YES.
[2024-03-09 04:31:50,686 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 20140 conditions, 12297 events. 1801/12297 cut-off events. For 7114/7114 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 116792 event pairs, 1291 based on Foata normal form. 1/11786 useless extension candidates. Maximal degree in co-relation 20078. Up to 3374 conditions per place. 
[2024-03-09 04:31:50,713 INFO  L140   encePairwiseOnDemand]: 150/156 looper letters, 26 selfloop transitions, 2 changer transitions 3/141 dead transitions.
[2024-03-09 04:31:50,713 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 141 transitions, 510 flow
[2024-03-09 04:31:50,714 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:50,714 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:50,714 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 776 transitions.
[2024-03-09 04:31:50,715 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8290598290598291
[2024-03-09 04:31:50,715 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 776 transitions.
[2024-03-09 04:31:50,715 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 776 transitions.
[2024-03-09 04:31:50,715 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:50,716 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 776 transitions.
[2024-03-09 04:31:50,717 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:50,717 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:50,718 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:50,718 INFO  L175             Difference]: Start difference. First operand has 160 places, 141 transitions, 463 flow. Second operand 6 states and 776 transitions.
[2024-03-09 04:31:50,718 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 141 transitions, 510 flow
[2024-03-09 04:31:50,726 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 141 transitions, 502 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:31:50,727 INFO  L231             Difference]: Finished difference. Result has 161 places, 138 transitions, 450 flow
[2024-03-09 04:31:50,727 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=450, PETRI_PLACES=161, PETRI_TRANSITIONS=138}
[2024-03-09 04:31:50,728 INFO  L281   CegarLoopForPetriNet]: 154 programPoint places, 7 predicate places.
[2024-03-09 04:31:50,728 INFO  L495      AbstractCegarLoop]: Abstraction has has 161 places, 138 transitions, 450 flow
[2024-03-09 04:31:50,728 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:50,728 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:50,728 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:50,728 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-03-09 04:31:50,728 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:50,729 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:50,729 INFO  L85        PathProgramCache]: Analyzing trace with hash 1849210555, now seen corresponding path program 1 times
[2024-03-09 04:31:50,729 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:50,729 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37229735]
[2024-03-09 04:31:50,729 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:50,729 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:50,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:31:50,900 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:31:50,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:31:50,901 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37229735]
[2024-03-09 04:31:50,901 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37229735] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:31:50,901 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:31:50,901 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:31:50,901 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493559534]
[2024-03-09 04:31:50,901 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:31:50,902 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:31:50,902 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:31:50,902 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:31:50,902 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:31:51,113 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 122 out of 156
[2024-03-09 04:31:51,113 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 138 transitions, 450 flow. Second operand  has 6 states, 6 states have (on average 123.5) internal successors, (741), 6 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:51,113 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:31:51,113 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 156
[2024-03-09 04:31:51,113 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:31:53,394 INFO  L124   PetriNetUnfolderBase]: 1801/11782 cut-off events.
[2024-03-09 04:31:53,394 INFO  L125   PetriNetUnfolderBase]: For 2516/2516 co-relation queries the response was YES.
[2024-03-09 04:31:53,426 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 21171 conditions, 11782 events. 1801/11782 cut-off events. For 2516/2516 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 109797 event pairs, 1291 based on Foata normal form. 0/11782 useless extension candidates. Maximal degree in co-relation 21111. Up to 3328 conditions per place. 
[2024-03-09 04:31:53,429 INFO  L140   encePairwiseOnDemand]: 150/156 looper letters, 10 selfloop transitions, 0 changer transitions 30/137 dead transitions.
[2024-03-09 04:31:53,430 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 137 transitions, 504 flow
[2024-03-09 04:31:53,430 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:31:53,430 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:31:53,431 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 761 transitions.
[2024-03-09 04:31:53,431 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.813034188034188
[2024-03-09 04:31:53,431 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 761 transitions.
[2024-03-09 04:31:53,431 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 761 transitions.
[2024-03-09 04:31:53,431 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:31:53,431 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 761 transitions.
[2024-03-09 04:31:53,432 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 126.83333333333333) internal successors, (761), 6 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:53,433 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:53,433 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:53,433 INFO  L175             Difference]: Start difference. First operand has 161 places, 138 transitions, 450 flow. Second operand 6 states and 761 transitions.
[2024-03-09 04:31:53,433 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 137 transitions, 504 flow
[2024-03-09 04:31:53,436 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 137 transitions, 496 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:31:53,437 INFO  L231             Difference]: Finished difference. Result has 158 places, 107 transitions, 351 flow
[2024-03-09 04:31:53,438 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=351, PETRI_PLACES=158, PETRI_TRANSITIONS=107}
[2024-03-09 04:31:53,438 INFO  L281   CegarLoopForPetriNet]: 154 programPoint places, 4 predicate places.
[2024-03-09 04:31:53,438 INFO  L495      AbstractCegarLoop]: Abstraction has has 158 places, 107 transitions, 351 flow
[2024-03-09 04:31:53,438 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 123.5) internal successors, (741), 6 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:31:53,438 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:31:53,438 INFO  L208   CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:31:53,438 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-03-09 04:31:53,439 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:31:53,439 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:31:53,439 INFO  L85        PathProgramCache]: Analyzing trace with hash 562505197, now seen corresponding path program 1 times
[2024-03-09 04:31:53,439 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:31:53,439 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894758600]
[2024-03-09 04:31:53,439 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:31:53,439 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:31:53,495 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:53,495 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:31:53,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:31:53,536 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:31:53,536 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:31:53,536 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:31:53,536 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:31:53,536 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:31:53,536 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:31:53,537 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:31:53,537 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-03-09 04:31:53,537 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:31:53,537 WARN  L233   ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:31:53,537 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances.
[2024-03-09 04:31:53,562 INFO  L144    ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions.
[2024-03-09 04:31:53,563 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 172 places, 164 transitions, 488 flow
[2024-03-09 04:32:00,527 INFO  L124   PetriNetUnfolderBase]: 5143/44347 cut-off events.
[2024-03-09 04:32:00,527 INFO  L125   PetriNetUnfolderBase]: For 5330/5330 co-relation queries the response was YES.
[2024-03-09 04:32:00,665 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 49543 conditions, 44347 events. 5143/44347 cut-off events. For 5330/5330 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 575656 event pairs, 3084 based on Foata normal form. 0/39193 useless extension candidates. Maximal degree in co-relation 24404. Up to 5120 conditions per place. 
[2024-03-09 04:32:00,666 INFO  L82        GeneralOperation]: Start removeDead. Operand has 172 places, 164 transitions, 488 flow
[2024-03-09 04:32:00,733 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 163 places, 155 transitions, 470 flow
[2024-03-09 04:32:00,733 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:32:00,734 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:32:00,734 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:32:00,736 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:32:00,736 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:32:00,736 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:32:00,736 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:32:00,736 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:32:00,736 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:32:00,736 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:32:00,736 INFO  L85        PathProgramCache]: Analyzing trace with hash 1650491112, now seen corresponding path program 1 times
[2024-03-09 04:32:00,736 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:32:00,736 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419570083]
[2024-03-09 04:32:00,736 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:32:00,736 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:32:00,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:32:00,857 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:32:00,857 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:32:00,858 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419570083]
[2024-03-09 04:32:00,858 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419570083] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:32:00,858 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:32:00,858 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:32:00,858 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080338415]
[2024-03-09 04:32:00,858 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:32:00,858 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:32:00,859 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:32:00,859 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:32:00,859 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:32:01,004 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 119 out of 164
[2024-03-09 04:32:01,005 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 155 transitions, 470 flow. Second operand  has 6 states, 6 states have (on average 120.16666666666667) internal successors, (721), 6 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:01,005 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:32:01,005 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 164
[2024-03-09 04:32:01,005 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:32:06,846 INFO  L124   PetriNetUnfolderBase]: 4108/32049 cut-off events.
[2024-03-09 04:32:06,846 INFO  L125   PetriNetUnfolderBase]: For 15625/15625 co-relation queries the response was YES.
[2024-03-09 04:32:06,972 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 51657 conditions, 32049 events. 4108/32049 cut-off events. For 15625/15625 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 387236 event pairs, 3084 based on Foata normal form. 2061/32049 useless extension candidates. Maximal degree in co-relation 25233. Up to 14400 conditions per place. 
[2024-03-09 04:32:07,035 INFO  L140   encePairwiseOnDemand]: 146/164 looper letters, 32 selfloop transitions, 8 changer transitions 12/161 dead transitions.
[2024-03-09 04:32:07,035 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 578 flow
[2024-03-09 04:32:07,037 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:32:07,037 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:32:07,037 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 770 transitions.
[2024-03-09 04:32:07,037 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.782520325203252
[2024-03-09 04:32:07,037 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 770 transitions.
[2024-03-09 04:32:07,038 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 770 transitions.
[2024-03-09 04:32:07,038 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:32:07,038 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 770 transitions.
[2024-03-09 04:32:07,039 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 128.33333333333334) internal successors, (770), 6 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:07,040 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:07,040 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:07,040 INFO  L175             Difference]: Start difference. First operand has 163 places, 155 transitions, 470 flow. Second operand 6 states and 770 transitions.
[2024-03-09 04:32:07,040 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 578 flow
[2024-03-09 04:32:07,045 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 161 transitions, 578 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:32:07,047 INFO  L231             Difference]: Finished difference. Result has 169 places, 149 transitions, 504 flow
[2024-03-09 04:32:07,047 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=504, PETRI_PLACES=169, PETRI_TRANSITIONS=149}
[2024-03-09 04:32:07,047 INFO  L281   CegarLoopForPetriNet]: 163 programPoint places, 6 predicate places.
[2024-03-09 04:32:07,047 INFO  L495      AbstractCegarLoop]: Abstraction has has 169 places, 149 transitions, 504 flow
[2024-03-09 04:32:07,047 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 120.16666666666667) internal successors, (721), 6 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:07,047 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:32:07,048 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:32:07,048 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-03-09 04:32:07,048 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:32:07,048 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:32:07,048 INFO  L85        PathProgramCache]: Analyzing trace with hash -1913210089, now seen corresponding path program 1 times
[2024-03-09 04:32:07,048 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:32:07,048 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88434034]
[2024-03-09 04:32:07,048 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:32:07,048 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:32:07,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:32:07,090 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:32:07,090 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:32:07,090 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88434034]
[2024-03-09 04:32:07,090 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88434034] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:32:07,090 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:32:07,090 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:32:07,090 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186748820]
[2024-03-09 04:32:07,090 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:32:07,091 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:32:07,091 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:32:07,091 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:32:07,091 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:32:07,139 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 130 out of 164
[2024-03-09 04:32:07,139 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 149 transitions, 504 flow. Second operand  has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:07,140 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:32:07,140 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 164
[2024-03-09 04:32:07,140 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:32:11,711 INFO  L124   PetriNetUnfolderBase]: 4106/24867 cut-off events.
[2024-03-09 04:32:11,711 INFO  L125   PetriNetUnfolderBase]: For 15626/15626 co-relation queries the response was YES.
[2024-03-09 04:32:11,827 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 41435 conditions, 24867 events. 4106/24867 cut-off events. For 15626/15626 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 271947 event pairs, 3084 based on Foata normal form. 1/23844 useless extension candidates. Maximal degree in co-relation 41372. Up to 7219 conditions per place. 
[2024-03-09 04:32:11,889 INFO  L140   encePairwiseOnDemand]: 158/164 looper letters, 28 selfloop transitions, 2 changer transitions 3/149 dead transitions.
[2024-03-09 04:32:11,889 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 149 transitions, 555 flow
[2024-03-09 04:32:11,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:32:11,890 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:32:11,890 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 814 transitions.
[2024-03-09 04:32:11,890 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8272357723577236
[2024-03-09 04:32:11,890 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 814 transitions.
[2024-03-09 04:32:11,890 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 814 transitions.
[2024-03-09 04:32:11,891 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:32:11,891 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 814 transitions.
[2024-03-09 04:32:11,891 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 135.66666666666666) internal successors, (814), 6 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:11,892 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:11,892 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:11,892 INFO  L175             Difference]: Start difference. First operand has 169 places, 149 transitions, 504 flow. Second operand 6 states and 814 transitions.
[2024-03-09 04:32:11,892 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 149 transitions, 555 flow
[2024-03-09 04:32:11,911 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 149 transitions, 547 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:32:11,913 INFO  L231             Difference]: Finished difference. Result has 170 places, 146 transitions, 491 flow
[2024-03-09 04:32:11,913 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=491, PETRI_PLACES=170, PETRI_TRANSITIONS=146}
[2024-03-09 04:32:11,913 INFO  L281   CegarLoopForPetriNet]: 163 programPoint places, 7 predicate places.
[2024-03-09 04:32:11,913 INFO  L495      AbstractCegarLoop]: Abstraction has has 170 places, 146 transitions, 491 flow
[2024-03-09 04:32:11,913 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:11,913 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:32:11,914 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:32:11,914 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-03-09 04:32:11,914 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:32:11,914 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:32:11,914 INFO  L85        PathProgramCache]: Analyzing trace with hash -1451608731, now seen corresponding path program 1 times
[2024-03-09 04:32:11,914 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:32:11,914 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035109662]
[2024-03-09 04:32:11,914 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:32:11,914 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:32:11,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:32:12,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:32:12,071 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:32:12,071 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035109662]
[2024-03-09 04:32:12,072 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035109662] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:32:12,072 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:32:12,072 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:32:12,072 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162753638]
[2024-03-09 04:32:12,072 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:32:12,072 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:32:12,072 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:32:12,072 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:32:12,072 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:32:12,238 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 128 out of 164
[2024-03-09 04:32:12,240 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 146 transitions, 491 flow. Second operand  has 6 states, 6 states have (on average 129.5) internal successors, (777), 6 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:12,240 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:32:12,240 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 164
[2024-03-09 04:32:12,240 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:32:16,995 INFO  L124   PetriNetUnfolderBase]: 4106/23840 cut-off events.
[2024-03-09 04:32:16,995 INFO  L125   PetriNetUnfolderBase]: For 5397/5397 co-relation queries the response was YES.
[2024-03-09 04:32:17,100 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 43491 conditions, 23840 events. 4106/23840 cut-off events. For 5397/5397 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 255899 event pairs, 3084 based on Foata normal form. 0/23840 useless extension candidates. Maximal degree in co-relation 43430. Up to 7168 conditions per place. 
[2024-03-09 04:32:17,110 INFO  L140   encePairwiseOnDemand]: 158/164 looper letters, 11 selfloop transitions, 0 changer transitions 31/145 dead transitions.
[2024-03-09 04:32:17,110 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 145 transitions, 549 flow
[2024-03-09 04:32:17,111 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:32:17,111 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:32:17,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 799 transitions.
[2024-03-09 04:32:17,112 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8119918699186992
[2024-03-09 04:32:17,112 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 799 transitions.
[2024-03-09 04:32:17,112 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 799 transitions.
[2024-03-09 04:32:17,112 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:32:17,112 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 799 transitions.
[2024-03-09 04:32:17,113 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 133.16666666666666) internal successors, (799), 6 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:17,114 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:17,114 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:17,114 INFO  L175             Difference]: Start difference. First operand has 170 places, 146 transitions, 491 flow. Second operand 6 states and 799 transitions.
[2024-03-09 04:32:17,115 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 145 transitions, 549 flow
[2024-03-09 04:32:17,122 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 145 transitions, 541 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:32:17,124 INFO  L231             Difference]: Finished difference. Result has 167 places, 114 transitions, 387 flow
[2024-03-09 04:32:17,124 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=167, PETRI_TRANSITIONS=114}
[2024-03-09 04:32:17,124 INFO  L281   CegarLoopForPetriNet]: 163 programPoint places, 4 predicate places.
[2024-03-09 04:32:17,125 INFO  L495      AbstractCegarLoop]: Abstraction has has 167 places, 114 transitions, 387 flow
[2024-03-09 04:32:17,125 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 129.5) internal successors, (777), 6 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:17,125 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:32:17,125 INFO  L208   CegarLoopForPetriNet]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:32:17,125 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-03-09 04:32:17,125 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:32:17,126 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:32:17,126 INFO  L85        PathProgramCache]: Analyzing trace with hash 1838742042, now seen corresponding path program 1 times
[2024-03-09 04:32:17,126 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:32:17,126 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353516123]
[2024-03-09 04:32:17,126 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:32:17,126 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:32:17,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:32:17,175 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:32:17,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:32:17,219 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:32:17,219 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:32:17,220 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:32:17,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:32:17,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:32:17,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:32:17,220 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:32:17,220 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-03-09 04:32:17,220 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:32:17,221 WARN  L233   ceAbstractionStarter]: 10 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:32:17,221 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 11 thread instances.
[2024-03-09 04:32:17,247 INFO  L144    ThreadInstanceAdder]: Constructed 11 joinOtherThreadTransitions.
[2024-03-09 04:32:17,248 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 181 places, 172 transitions, 531 flow
[2024-03-09 04:32:31,911 INFO  L124   PetriNetUnfolderBase]: 11289/89431 cut-off events.
[2024-03-09 04:32:31,911 INFO  L125   PetriNetUnfolderBase]: For 11539/11539 co-relation queries the response was YES.
[2024-03-09 04:32:32,454 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 100784 conditions, 89431 events. 11289/89431 cut-off events. For 11539/11539 co-relation queries the response was YES. Maximal size of possible extension queue 939. Compared 1298381 event pairs, 7181 based on Foata normal form. 0/79154 useless extension candidates. Maximal degree in co-relation 49531. Up to 11264 conditions per place. 
[2024-03-09 04:32:32,454 INFO  L82        GeneralOperation]: Start removeDead. Operand has 181 places, 172 transitions, 531 flow
[2024-03-09 04:32:32,771 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 172 places, 163 transitions, 513 flow
[2024-03-09 04:32:32,772 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:32:32,772 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:32:32,773 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:32:32,774 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:32:32,774 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:32:32,775 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:32:32,775 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:32:32,775 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:32:32,775 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:32:32,775 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:32:32,775 INFO  L85        PathProgramCache]: Analyzing trace with hash -2143163116, now seen corresponding path program 1 times
[2024-03-09 04:32:32,775 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:32:32,775 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857878077]
[2024-03-09 04:32:32,776 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:32:32,776 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:32:32,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:32:32,879 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:32:32,880 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:32:32,880 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857878077]
[2024-03-09 04:32:32,880 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857878077] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:32:32,880 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:32:32,880 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:32:32,881 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559196439]
[2024-03-09 04:32:32,881 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:32:32,881 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:32:32,881 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:32:32,881 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:32:32,882 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:32:33,032 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 125 out of 172
[2024-03-09 04:32:33,033 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 163 transitions, 513 flow. Second operand  has 6 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:33,034 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:32:33,034 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 172
[2024-03-09 04:32:33,034 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:32:45,391 INFO  L124   PetriNetUnfolderBase]: 9229/64843 cut-off events.
[2024-03-09 04:32:45,392 INFO  L125   PetriNetUnfolderBase]: For 34133/34133 co-relation queries the response was YES.
[2024-03-09 04:32:45,742 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 105974 conditions, 64843 events. 9229/64843 cut-off events. For 34133/34133 co-relation queries the response was YES. Maximal size of possible extension queue 714. Compared 879063 event pairs, 7181 based on Foata normal form. 4110/64843 useless extension candidates. Maximal degree in co-relation 51644. Up to 29766 conditions per place. 
[2024-03-09 04:32:46,026 INFO  L140   encePairwiseOnDemand]: 154/172 looper letters, 34 selfloop transitions, 8 changer transitions 12/169 dead transitions.
[2024-03-09 04:32:46,026 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 625 flow
[2024-03-09 04:32:46,027 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:32:46,027 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:32:46,027 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 808 transitions.
[2024-03-09 04:32:46,029 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7829457364341085
[2024-03-09 04:32:46,029 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 808 transitions.
[2024-03-09 04:32:46,029 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 808 transitions.
[2024-03-09 04:32:46,029 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:32:46,029 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 808 transitions.
[2024-03-09 04:32:46,030 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 134.66666666666666) internal successors, (808), 6 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:46,031 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:46,031 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:46,031 INFO  L175             Difference]: Start difference. First operand has 172 places, 163 transitions, 513 flow. Second operand 6 states and 808 transitions.
[2024-03-09 04:32:46,031 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 625 flow
[2024-03-09 04:32:46,036 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 169 transitions, 625 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:32:46,037 INFO  L231             Difference]: Finished difference. Result has 178 places, 157 transitions, 547 flow
[2024-03-09 04:32:46,037 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=547, PETRI_PLACES=178, PETRI_TRANSITIONS=157}
[2024-03-09 04:32:46,038 INFO  L281   CegarLoopForPetriNet]: 172 programPoint places, 6 predicate places.
[2024-03-09 04:32:46,038 INFO  L495      AbstractCegarLoop]: Abstraction has has 178 places, 157 transitions, 547 flow
[2024-03-09 04:32:46,039 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:46,039 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:32:46,039 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:32:46,039 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-03-09 04:32:46,039 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:32:46,040 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:32:46,040 INFO  L85        PathProgramCache]: Analyzing trace with hash -1762970729, now seen corresponding path program 1 times
[2024-03-09 04:32:46,040 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:32:46,040 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614687127]
[2024-03-09 04:32:46,040 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:32:46,040 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:32:46,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:32:46,078 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:32:46,078 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:32:46,078 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614687127]
[2024-03-09 04:32:46,078 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614687127] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:32:46,078 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:32:46,078 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:32:46,078 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504674708]
[2024-03-09 04:32:46,079 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:32:46,079 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:32:46,079 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:32:46,079 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:32:46,079 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:32:46,147 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 136 out of 172
[2024-03-09 04:32:46,148 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 157 transitions, 547 flow. Second operand  has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:46,148 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:32:46,148 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 172
[2024-03-09 04:32:46,148 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:32:56,159 INFO  L124   PetriNetUnfolderBase]: 9227/50493 cut-off events.
[2024-03-09 04:32:56,159 INFO  L125   PetriNetUnfolderBase]: For 34134/34134 co-relation queries the response was YES.
[2024-03-09 04:32:56,367 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 85515 conditions, 50493 events. 9227/50493 cut-off events. For 34134/34134 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 621101 event pairs, 7181 based on Foata normal form. 1/48446 useless extension candidates. Maximal degree in co-relation 85451. Up to 15416 conditions per place. 
[2024-03-09 04:32:56,497 INFO  L140   encePairwiseOnDemand]: 166/172 looper letters, 30 selfloop transitions, 2 changer transitions 3/157 dead transitions.
[2024-03-09 04:32:56,498 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 157 transitions, 602 flow
[2024-03-09 04:32:56,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:32:56,499 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:32:56,500 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 852 transitions.
[2024-03-09 04:32:56,500 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8255813953488372
[2024-03-09 04:32:56,501 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 852 transitions.
[2024-03-09 04:32:56,501 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 852 transitions.
[2024-03-09 04:32:56,501 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:32:56,502 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 852 transitions.
[2024-03-09 04:32:56,504 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 142.0) internal successors, (852), 6 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:56,505 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:56,506 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:56,506 INFO  L175             Difference]: Start difference. First operand has 178 places, 157 transitions, 547 flow. Second operand 6 states and 852 transitions.
[2024-03-09 04:32:56,506 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 157 transitions, 602 flow
[2024-03-09 04:32:56,545 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 157 transitions, 594 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:32:56,546 INFO  L231             Difference]: Finished difference. Result has 179 places, 154 transitions, 534 flow
[2024-03-09 04:32:56,546 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=179, PETRI_TRANSITIONS=154}
[2024-03-09 04:32:56,547 INFO  L281   CegarLoopForPetriNet]: 172 programPoint places, 7 predicate places.
[2024-03-09 04:32:56,547 INFO  L495      AbstractCegarLoop]: Abstraction has has 179 places, 154 transitions, 534 flow
[2024-03-09 04:32:56,547 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:56,547 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:32:56,547 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:32:56,548 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-03-09 04:32:56,548 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:32:56,548 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:32:56,549 INFO  L85        PathProgramCache]: Analyzing trace with hash 693287191, now seen corresponding path program 1 times
[2024-03-09 04:32:56,549 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:32:56,549 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294721833]
[2024-03-09 04:32:56,549 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:32:56,549 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:32:56,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:32:56,696 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:32:56,697 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:32:56,697 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294721833]
[2024-03-09 04:32:56,697 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294721833] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:32:56,697 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:32:56,697 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:32:56,697 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966504363]
[2024-03-09 04:32:56,697 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:32:56,698 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:32:56,698 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:32:56,698 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:32:56,698 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:32:56,837 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 134 out of 172
[2024-03-09 04:32:56,837 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 154 transitions, 534 flow. Second operand  has 6 states, 6 states have (on average 135.5) internal successors, (813), 6 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:32:56,838 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:32:56,838 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 172
[2024-03-09 04:32:56,838 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:33:06,684 INFO  L124   PetriNetUnfolderBase]: 9227/48442 cut-off events.
[2024-03-09 04:33:06,684 INFO  L125   PetriNetUnfolderBase]: For 11618/11618 co-relation queries the response was YES.
[2024-03-09 04:33:06,879 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 89620 conditions, 48442 events. 9227/48442 cut-off events. For 11618/11618 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 585068 event pairs, 7181 based on Foata normal form. 0/48442 useless extension candidates. Maximal degree in co-relation 89558. Up to 15360 conditions per place. 
[2024-03-09 04:33:06,896 INFO  L140   encePairwiseOnDemand]: 166/172 looper letters, 12 selfloop transitions, 0 changer transitions 32/153 dead transitions.
[2024-03-09 04:33:06,896 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 153 transitions, 596 flow
[2024-03-09 04:33:06,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:33:06,897 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:33:06,898 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 837 transitions.
[2024-03-09 04:33:06,899 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.811046511627907
[2024-03-09 04:33:06,899 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 837 transitions.
[2024-03-09 04:33:06,899 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 837 transitions.
[2024-03-09 04:33:06,899 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:33:06,899 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 837 transitions.
[2024-03-09 04:33:06,901 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 139.5) internal successors, (837), 6 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:33:06,902 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:33:06,902 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:33:06,902 INFO  L175             Difference]: Start difference. First operand has 179 places, 154 transitions, 534 flow. Second operand 6 states and 837 transitions.
[2024-03-09 04:33:06,902 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 153 transitions, 596 flow
[2024-03-09 04:33:06,912 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 153 transitions, 588 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:33:06,913 INFO  L231             Difference]: Finished difference. Result has 176 places, 121 transitions, 425 flow
[2024-03-09 04:33:06,913 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=425, PETRI_PLACES=176, PETRI_TRANSITIONS=121}
[2024-03-09 04:33:06,914 INFO  L281   CegarLoopForPetriNet]: 172 programPoint places, 4 predicate places.
[2024-03-09 04:33:06,914 INFO  L495      AbstractCegarLoop]: Abstraction has has 176 places, 121 transitions, 425 flow
[2024-03-09 04:33:06,914 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 135.5) internal successors, (813), 6 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:33:06,914 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:33:06,914 INFO  L208   CegarLoopForPetriNet]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:33:06,915 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-03-09 04:33:06,915 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:33:06,916 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:33:06,916 INFO  L85        PathProgramCache]: Analyzing trace with hash -1444353172, now seen corresponding path program 1 times
[2024-03-09 04:33:06,916 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:33:06,916 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363546484]
[2024-03-09 04:33:06,917 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:33:06,917 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:33:06,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:33:06,983 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:33:07,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:33:07,044 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:33:07,044 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:33:07,044 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:33:07,045 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:33:07,045 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:33:07,045 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:33:07,045 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:33:07,045 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-03-09 04:33:07,045 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:33:07,045 WARN  L233   ceAbstractionStarter]: 11 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:33:07,045 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 12 thread instances.
[2024-03-09 04:33:07,071 INFO  L144    ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions.
[2024-03-09 04:33:07,072 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 190 places, 180 transitions, 576 flow
[2024-03-09 04:33:39,386 INFO  L124   PetriNetUnfolderBase]: 24603/180595 cut-off events.
[2024-03-09 04:33:39,386 INFO  L125   PetriNetUnfolderBase]: For 24928/24928 co-relation queries the response was YES.
[2024-03-09 04:33:40,731 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 205274 conditions, 180595 events. 24603/180595 cut-off events. For 24928/24928 co-relation queries the response was YES. Maximal size of possible extension queue 1864. Compared 2895605 event pairs, 16398 based on Foata normal form. 0/160075 useless extension candidates. Maximal degree in co-relation 100771. Up to 24576 conditions per place. 
[2024-03-09 04:33:40,731 INFO  L82        GeneralOperation]: Start removeDead. Operand has 190 places, 180 transitions, 576 flow
[2024-03-09 04:33:41,078 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 181 places, 171 transitions, 558 flow
[2024-03-09 04:33:41,078 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:33:41,078 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:33:41,079 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:33:41,080 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:33:41,081 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:33:41,081 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:33:41,081 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:33:41,081 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:33:41,081 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:33:41,081 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:33:41,081 INFO  L85        PathProgramCache]: Analyzing trace with hash -1318884280, now seen corresponding path program 1 times
[2024-03-09 04:33:41,081 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:33:41,082 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649734274]
[2024-03-09 04:33:41,082 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:33:41,082 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:33:41,089 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:33:41,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:33:41,173 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:33:41,173 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649734274]
[2024-03-09 04:33:41,173 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649734274] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:33:41,173 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:33:41,173 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:33:41,173 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685925556]
[2024-03-09 04:33:41,173 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:33:41,173 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:33:41,174 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:33:41,174 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:33:41,174 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:33:41,311 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 131 out of 180
[2024-03-09 04:33:41,312 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 171 transitions, 558 flow. Second operand  has 6 states, 6 states have (on average 132.16666666666666) internal successors, (793), 6 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:33:41,312 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:33:41,312 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 180
[2024-03-09 04:33:41,312 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:34:08,072 INFO  L124   PetriNetUnfolderBase]: 20494/131429 cut-off events.
[2024-03-09 04:34:08,072 INFO  L125   PetriNetUnfolderBase]: For 74158/74158 co-relation queries the response was YES.
[2024-03-09 04:34:09,009 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 217636 conditions, 131429 events. 20494/131429 cut-off events. For 74158/74158 co-relation queries the response was YES. Maximal size of possible extension queue 1396. Compared 1970298 event pairs, 16398 based on Foata normal form. 8207/131429 useless extension candidates. Maximal degree in co-relation 105960. Up to 61516 conditions per place. 
[2024-03-09 04:34:09,314 INFO  L140   encePairwiseOnDemand]: 162/180 looper letters, 36 selfloop transitions, 8 changer transitions 12/177 dead transitions.
[2024-03-09 04:34:09,315 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 177 transitions, 674 flow
[2024-03-09 04:34:09,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:34:09,316 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:34:09,316 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 846 transitions.
[2024-03-09 04:34:09,316 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7833333333333333
[2024-03-09 04:34:09,316 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 846 transitions.
[2024-03-09 04:34:09,316 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 846 transitions.
[2024-03-09 04:34:09,317 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:34:09,317 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 846 transitions.
[2024-03-09 04:34:09,318 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 141.0) internal successors, (846), 6 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:09,318 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:09,319 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:09,319 INFO  L175             Difference]: Start difference. First operand has 181 places, 171 transitions, 558 flow. Second operand 6 states and 846 transitions.
[2024-03-09 04:34:09,319 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 177 transitions, 674 flow
[2024-03-09 04:34:09,330 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 177 transitions, 674 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:34:09,331 INFO  L231             Difference]: Finished difference. Result has 187 places, 165 transitions, 592 flow
[2024-03-09 04:34:09,332 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=592, PETRI_PLACES=187, PETRI_TRANSITIONS=165}
[2024-03-09 04:34:09,332 INFO  L281   CegarLoopForPetriNet]: 181 programPoint places, 6 predicate places.
[2024-03-09 04:34:09,332 INFO  L495      AbstractCegarLoop]: Abstraction has has 187 places, 165 transitions, 592 flow
[2024-03-09 04:34:09,332 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 132.16666666666666) internal successors, (793), 6 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:09,332 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:34:09,332 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:34:09,332 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-03-09 04:34:09,332 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:34:09,333 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:34:09,333 INFO  L85        PathProgramCache]: Analyzing trace with hash 1290862359, now seen corresponding path program 1 times
[2024-03-09 04:34:09,333 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:34:09,333 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922529869]
[2024-03-09 04:34:09,333 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:34:09,333 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:34:09,342 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:34:09,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:34:09,375 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:34:09,375 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922529869]
[2024-03-09 04:34:09,375 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922529869] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:34:09,375 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:34:09,375 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:34:09,375 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763086637]
[2024-03-09 04:34:09,376 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:34:09,376 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:34:09,376 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:34:09,376 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:34:09,376 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:34:09,423 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 142 out of 180
[2024-03-09 04:34:09,424 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 165 transitions, 592 flow. Second operand  has 5 states, 5 states have (on average 143.4) internal successors, (717), 5 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:09,424 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:34:09,424 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 180
[2024-03-09 04:34:09,424 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:34:30,620 INFO  L124   PetriNetUnfolderBase]: 20492/102743 cut-off events.
[2024-03-09 04:34:30,620 INFO  L125   PetriNetUnfolderBase]: For 74159/74159 co-relation queries the response was YES.
[2024-03-09 04:34:31,461 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 176700 conditions, 102743 events. 20492/102743 cut-off events. For 74159/74159 co-relation queries the response was YES. Maximal size of possible extension queue 1186. Compared 1399735 event pairs, 16398 based on Foata normal form. 1/98648 useless extension candidates. Maximal degree in co-relation 176635. Up to 32829 conditions per place. 
[2024-03-09 04:34:31,758 INFO  L140   encePairwiseOnDemand]: 174/180 looper letters, 32 selfloop transitions, 2 changer transitions 3/165 dead transitions.
[2024-03-09 04:34:31,759 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 165 transitions, 651 flow
[2024-03-09 04:34:31,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:34:31,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:34:31,760 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 890 transitions.
[2024-03-09 04:34:31,760 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8240740740740741
[2024-03-09 04:34:31,760 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 890 transitions.
[2024-03-09 04:34:31,760 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 890 transitions.
[2024-03-09 04:34:31,760 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:34:31,760 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 890 transitions.
[2024-03-09 04:34:31,761 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 148.33333333333334) internal successors, (890), 6 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:31,762 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:31,762 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:31,762 INFO  L175             Difference]: Start difference. First operand has 187 places, 165 transitions, 592 flow. Second operand 6 states and 890 transitions.
[2024-03-09 04:34:31,762 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 165 transitions, 651 flow
[2024-03-09 04:34:31,872 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 165 transitions, 643 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:34:31,874 INFO  L231             Difference]: Finished difference. Result has 188 places, 162 transitions, 579 flow
[2024-03-09 04:34:31,874 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=579, PETRI_PLACES=188, PETRI_TRANSITIONS=162}
[2024-03-09 04:34:31,874 INFO  L281   CegarLoopForPetriNet]: 181 programPoint places, 7 predicate places.
[2024-03-09 04:34:31,874 INFO  L495      AbstractCegarLoop]: Abstraction has has 188 places, 162 transitions, 579 flow
[2024-03-09 04:34:31,875 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 143.4) internal successors, (717), 5 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:31,875 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:34:31,875 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:34:31,875 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-03-09 04:34:31,875 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:34:31,875 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:34:31,875 INFO  L85        PathProgramCache]: Analyzing trace with hash -306036271, now seen corresponding path program 1 times
[2024-03-09 04:34:31,875 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:34:31,876 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381185381]
[2024-03-09 04:34:31,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:34:31,876 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:34:31,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:34:32,017 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:34:32,017 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:34:32,017 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381185381]
[2024-03-09 04:34:32,017 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381185381] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:34:32,017 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:34:32,017 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:34:32,017 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122622217]
[2024-03-09 04:34:32,017 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:34:32,018 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:34:32,018 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:34:32,018 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:34:32,018 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:34:32,183 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 140 out of 180
[2024-03-09 04:34:32,184 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 162 transitions, 579 flow. Second operand  has 6 states, 6 states have (on average 141.5) internal successors, (849), 6 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:32,184 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:34:32,184 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 180
[2024-03-09 04:34:32,184 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:34:54,143 INFO  L124   PetriNetUnfolderBase]: 20492/98644 cut-off events.
[2024-03-09 04:34:54,143 INFO  L125   PetriNetUnfolderBase]: For 25020/25020 co-relation queries the response was YES.
[2024-03-09 04:34:54,954 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 184902 conditions, 98644 events. 20492/98644 cut-off events. For 25020/25020 co-relation queries the response was YES. Maximal size of possible extension queue 829. Compared 1319680 event pairs, 16398 based on Foata normal form. 0/98644 useless extension candidates. Maximal degree in co-relation 184839. Up to 32768 conditions per place. 
[2024-03-09 04:34:54,991 INFO  L140   encePairwiseOnDemand]: 174/180 looper letters, 13 selfloop transitions, 0 changer transitions 33/161 dead transitions.
[2024-03-09 04:34:54,992 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 161 transitions, 645 flow
[2024-03-09 04:34:54,992 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:34:54,993 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:34:54,993 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 875 transitions.
[2024-03-09 04:34:54,993 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8101851851851852
[2024-03-09 04:34:54,993 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 875 transitions.
[2024-03-09 04:34:54,994 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 875 transitions.
[2024-03-09 04:34:54,994 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:34:54,994 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 875 transitions.
[2024-03-09 04:34:54,995 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 145.83333333333334) internal successors, (875), 6 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:54,996 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:54,996 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 180.0) internal successors, (1260), 7 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:54,996 INFO  L175             Difference]: Start difference. First operand has 188 places, 162 transitions, 579 flow. Second operand 6 states and 875 transitions.
[2024-03-09 04:34:54,996 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 161 transitions, 645 flow
[2024-03-09 04:34:55,017 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 161 transitions, 637 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:34:55,019 INFO  L231             Difference]: Finished difference. Result has 185 places, 128 transitions, 465 flow
[2024-03-09 04:34:55,019 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=465, PETRI_PLACES=185, PETRI_TRANSITIONS=128}
[2024-03-09 04:34:55,020 INFO  L281   CegarLoopForPetriNet]: 181 programPoint places, 4 predicate places.
[2024-03-09 04:34:55,020 INFO  L495      AbstractCegarLoop]: Abstraction has has 185 places, 128 transitions, 465 flow
[2024-03-09 04:34:55,021 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 141.5) internal successors, (849), 6 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:34:55,021 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:34:55,021 INFO  L208   CegarLoopForPetriNet]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:34:55,021 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-03-09 04:34:55,021 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:34:55,022 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:34:55,022 INFO  L85        PathProgramCache]: Analyzing trace with hash -1979049243, now seen corresponding path program 1 times
[2024-03-09 04:34:55,022 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:34:55,022 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094934259]
[2024-03-09 04:34:55,022 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:34:55,022 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:34:55,080 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:34:55,080 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:34:55,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:34:55,132 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:34:55,133 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:34:55,133 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:34:55,133 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:34:55,133 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:34:55,133 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:34:55,133 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:34:55,134 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-03-09 04:34:55,134 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:34:55,134 WARN  L233   ceAbstractionStarter]: 12 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:34:55,134 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 13 thread instances.
[2024-03-09 04:34:55,163 INFO  L144    ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions.
[2024-03-09 04:34:55,164 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 199 places, 188 transitions, 623 flow
[2024-03-09 04:36:07,217 INFO  L124   PetriNetUnfolderBase]: 53277/364943 cut-off events.
[2024-03-09 04:36:07,217 INFO  L125   PetriNetUnfolderBase]: For 53690/53690 co-relation queries the response was YES.
[2024-03-09 04:36:10,250 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 418309 conditions, 364943 events. 53277/364943 cut-off events. For 53690/53690 co-relation queries the response was YES. Maximal size of possible extension queue 3500. Compared 6400664 event pairs, 36879 based on Foata normal form. 0/323940 useless extension candidates. Maximal degree in co-relation 205260. Up to 53248 conditions per place. 
[2024-03-09 04:36:10,250 INFO  L82        GeneralOperation]: Start removeDead. Operand has 199 places, 188 transitions, 623 flow
[2024-03-09 04:36:11,001 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 190 places, 179 transitions, 605 flow
[2024-03-09 04:36:11,001 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:36:11,002 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:36:11,002 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:36:11,004 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:36:11,004 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:36:11,004 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:36:11,004 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:36:11,004 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:36:11,004 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:36:11,004 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:36:11,005 INFO  L85        PathProgramCache]: Analyzing trace with hash -171639676, now seen corresponding path program 1 times
[2024-03-09 04:36:11,005 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:36:11,005 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771656901]
[2024-03-09 04:36:11,005 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:36:11,005 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:36:11,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:36:11,102 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:36:11,103 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:36:11,103 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771656901]
[2024-03-09 04:36:11,103 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771656901] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:36:11,104 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:36:11,104 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:36:11,104 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291683865]
[2024-03-09 04:36:11,104 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:36:11,105 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:36:11,105 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:36:11,106 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:36:11,106 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:36:11,222 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 137 out of 188
[2024-03-09 04:36:11,222 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 179 transitions, 605 flow. Second operand  has 6 states, 6 states have (on average 138.16666666666666) internal successors, (829), 6 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:36:11,223 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:36:11,223 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 188
[2024-03-09 04:36:11,223 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:37:12,911 INFO  L124   PetriNetUnfolderBase]: 45071/266623 cut-off events.
[2024-03-09 04:37:12,912 INFO  L125   PetriNetUnfolderBase]: For 160277/160277 co-relation queries the response was YES.
[2024-03-09 04:37:14,989 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 447059 conditions, 266623 events. 45071/266623 cut-off events. For 160277/160277 co-relation queries the response was YES. Maximal size of possible extension queue 2702. Compared 4365897 event pairs, 36879 based on Foata normal form. 16400/266623 useless extension candidates. Maximal degree in co-relation 217621. Up to 127058 conditions per place. 
[2024-03-09 04:37:15,675 INFO  L140   encePairwiseOnDemand]: 170/188 looper letters, 38 selfloop transitions, 8 changer transitions 12/185 dead transitions.
[2024-03-09 04:37:15,675 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 185 transitions, 725 flow
[2024-03-09 04:37:15,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:37:15,676 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:37:15,676 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 884 transitions.
[2024-03-09 04:37:15,677 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7836879432624113
[2024-03-09 04:37:15,677 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 884 transitions.
[2024-03-09 04:37:15,677 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 884 transitions.
[2024-03-09 04:37:15,677 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:37:15,677 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 884 transitions.
[2024-03-09 04:37:15,678 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 147.33333333333334) internal successors, (884), 6 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:37:15,679 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:37:15,680 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:37:15,680 INFO  L175             Difference]: Start difference. First operand has 190 places, 179 transitions, 605 flow. Second operand 6 states and 884 transitions.
[2024-03-09 04:37:15,680 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 185 transitions, 725 flow
[2024-03-09 04:37:15,825 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 185 transitions, 725 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-09 04:37:15,827 INFO  L231             Difference]: Finished difference. Result has 196 places, 173 transitions, 639 flow
[2024-03-09 04:37:15,827 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=593, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=196, PETRI_TRANSITIONS=173}
[2024-03-09 04:37:15,828 INFO  L281   CegarLoopForPetriNet]: 190 programPoint places, 6 predicate places.
[2024-03-09 04:37:15,828 INFO  L495      AbstractCegarLoop]: Abstraction has has 196 places, 173 transitions, 639 flow
[2024-03-09 04:37:15,828 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 138.16666666666666) internal successors, (829), 6 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:37:15,828 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:37:15,828 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:37:15,828 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2024-03-09 04:37:15,828 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:37:15,829 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:37:15,829 INFO  L85        PathProgramCache]: Analyzing trace with hash -1341645417, now seen corresponding path program 1 times
[2024-03-09 04:37:15,829 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:37:15,829 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527471806]
[2024-03-09 04:37:15,829 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:37:15,829 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:37:15,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:37:15,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:37:15,871 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:37:15,871 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527471806]
[2024-03-09 04:37:15,871 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527471806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:37:15,871 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:37:15,872 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:37:15,872 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34984426]
[2024-03-09 04:37:15,872 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:37:15,872 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-09 04:37:15,872 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:37:15,872 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-09 04:37:15,873 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-09 04:37:15,926 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 148 out of 188
[2024-03-09 04:37:15,927 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 173 transitions, 639 flow. Second operand  has 5 states, 5 states have (on average 149.4) internal successors, (747), 5 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:37:15,927 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:37:15,927 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 188
[2024-03-09 04:37:15,927 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:38:03,261 INFO  L124   PetriNetUnfolderBase]: 45069/209265 cut-off events.
[2024-03-09 04:38:03,261 INFO  L125   PetriNetUnfolderBase]: For 160278/160278 co-relation queries the response was YES.
[2024-03-09 04:38:05,223 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 365166 conditions, 209265 events. 45069/209265 cut-off events. For 160278/160278 co-relation queries the response was YES. Maximal size of possible extension queue 2241. Compared 3113972 event pairs, 36879 based on Foata normal form. 1/201074 useless extension candidates. Maximal degree in co-relation 365100. Up to 69698 conditions per place. 
[2024-03-09 04:38:05,906 INFO  L140   encePairwiseOnDemand]: 182/188 looper letters, 34 selfloop transitions, 2 changer transitions 3/173 dead transitions.
[2024-03-09 04:38:05,906 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 173 transitions, 702 flow
[2024-03-09 04:38:05,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:38:05,907 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:38:05,907 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 928 transitions.
[2024-03-09 04:38:05,908 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8226950354609929
[2024-03-09 04:38:05,908 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 928 transitions.
[2024-03-09 04:38:05,908 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 928 transitions.
[2024-03-09 04:38:05,908 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:38:05,908 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 928 transitions.
[2024-03-09 04:38:05,909 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 154.66666666666666) internal successors, (928), 6 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:38:05,910 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:38:05,911 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:38:05,911 INFO  L175             Difference]: Start difference. First operand has 196 places, 173 transitions, 639 flow. Second operand 6 states and 928 transitions.
[2024-03-09 04:38:05,911 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 173 transitions, 702 flow
[2024-03-09 04:38:06,224 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 173 transitions, 694 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-09 04:38:06,226 INFO  L231             Difference]: Finished difference. Result has 197 places, 170 transitions, 626 flow
[2024-03-09 04:38:06,226 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=626, PETRI_PLACES=197, PETRI_TRANSITIONS=170}
[2024-03-09 04:38:06,226 INFO  L281   CegarLoopForPetriNet]: 190 programPoint places, 7 predicate places.
[2024-03-09 04:38:06,226 INFO  L495      AbstractCegarLoop]: Abstraction has has 197 places, 170 transitions, 626 flow
[2024-03-09 04:38:06,227 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 149.4) internal successors, (747), 5 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:38:06,227 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:38:06,227 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:38:06,227 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2024-03-09 04:38:06,227 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:38:06,227 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:38:06,228 INFO  L85        PathProgramCache]: Analyzing trace with hash -154611821, now seen corresponding path program 1 times
[2024-03-09 04:38:06,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:38:06,228 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775210161]
[2024-03-09 04:38:06,228 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:38:06,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:38:06,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:38:06,366 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-09 04:38:06,367 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:38:06,367 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775210161]
[2024-03-09 04:38:06,367 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775210161] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:38:06,367 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:38:06,367 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:38:06,367 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524497273]
[2024-03-09 04:38:06,367 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:38:06,368 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:38:06,368 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:38:06,368 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:38:06,368 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:38:06,551 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 146 out of 188
[2024-03-09 04:38:06,552 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 170 transitions, 626 flow. Second operand  has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:38:06,552 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:38:06,552 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 188
[2024-03-09 04:38:06,553 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-09 04:38:55,401 INFO  L124   PetriNetUnfolderBase]: 45069/201070 cut-off events.
[2024-03-09 04:38:55,401 INFO  L125   PetriNetUnfolderBase]: For 53796/53796 co-relation queries the response was YES.
[2024-03-09 04:38:57,374 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 381561 conditions, 201070 events. 45069/201070 cut-off events. For 53796/53796 co-relation queries the response was YES. Maximal size of possible extension queue 1580. Compared 2938333 event pairs, 36879 based on Foata normal form. 0/201070 useless extension candidates. Maximal degree in co-relation 381497. Up to 69632 conditions per place. 
[2024-03-09 04:38:57,456 INFO  L140   encePairwiseOnDemand]: 182/188 looper letters, 14 selfloop transitions, 0 changer transitions 34/169 dead transitions.
[2024-03-09 04:38:57,456 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 169 transitions, 696 flow
[2024-03-09 04:38:57,457 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-09 04:38:57,457 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-09 04:38:57,458 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 913 transitions.
[2024-03-09 04:38:57,458 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8093971631205674
[2024-03-09 04:38:57,458 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 913 transitions.
[2024-03-09 04:38:57,458 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 913 transitions.
[2024-03-09 04:38:57,459 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-09 04:38:57,459 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 913 transitions.
[2024-03-09 04:38:57,460 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 152.16666666666666) internal successors, (913), 6 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:38:57,460 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:38:57,461 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 188.0) internal successors, (1316), 7 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:38:57,461 INFO  L175             Difference]: Start difference. First operand has 197 places, 170 transitions, 626 flow. Second operand 6 states and 913 transitions.
[2024-03-09 04:38:57,461 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 169 transitions, 696 flow
[2024-03-09 04:38:57,641 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 169 transitions, 688 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-09 04:38:57,642 INFO  L231             Difference]: Finished difference. Result has 194 places, 135 transitions, 507 flow
[2024-03-09 04:38:57,643 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=507, PETRI_PLACES=194, PETRI_TRANSITIONS=135}
[2024-03-09 04:38:57,643 INFO  L281   CegarLoopForPetriNet]: 190 programPoint places, 4 predicate places.
[2024-03-09 04:38:57,643 INFO  L495      AbstractCegarLoop]: Abstraction has has 194 places, 135 transitions, 507 flow
[2024-03-09 04:38:57,643 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 147.5) internal successors, (885), 6 states have internal predecessors, (885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:38:57,643 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:38:57,644 INFO  L208   CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:38:57,644 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2024-03-09 04:38:57,644 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:38:57,644 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:38:57,644 INFO  L85        PathProgramCache]: Analyzing trace with hash 95442923, now seen corresponding path program 1 times
[2024-03-09 04:38:57,644 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:38:57,645 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994186787]
[2024-03-09 04:38:57,645 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:38:57,645 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:38:57,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:38:57,704 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-09 04:38:57,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-09 04:38:57,753 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-09 04:38:57,754 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-09 04:38:57,754 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-09 04:38:57,754 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-09 04:38:57,754 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-09 04:38:57,754 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-09 04:38:57,755 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-09 04:38:57,755 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2024-03-09 04:38:57,755 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-09 04:38:57,755 WARN  L233   ceAbstractionStarter]: 13 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-09 04:38:57,755 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 14 thread instances.
[2024-03-09 04:38:57,780 INFO  L144    ThreadInstanceAdder]: Constructed 14 joinOtherThreadTransitions.
[2024-03-09 04:38:57,781 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 208 places, 196 transitions, 672 flow
[2024-03-09 04:41:46,498 INFO  L124   PetriNetUnfolderBase]: 114719/737707 cut-off events.
[2024-03-09 04:41:46,499 INFO  L125   PetriNetUnfolderBase]: For 115234/115234 co-relation queries the response was YES.
[2024-03-09 04:41:52,955 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 852529 conditions, 737707 events. 114719/737707 cut-off events. For 115234/115234 co-relation queries the response was YES. Maximal size of possible extension queue 6979. Compared 13999279 event pairs, 81936 based on Foata normal form. 0/655741 useless extension candidates. Maximal degree in co-relation 418294. Up to 114688 conditions per place. 
[2024-03-09 04:41:52,955 INFO  L82        GeneralOperation]: Start removeDead. Operand has 208 places, 196 transitions, 672 flow
[2024-03-09 04:41:54,804 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 199 places, 187 transitions, 654 flow
[2024-03-09 04:41:54,804 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-09 04:41:54,805 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b3c18b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-09 04:41:54,805 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-09 04:41:54,807 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-09 04:41:54,807 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-09 04:41:54,807 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-09 04:41:54,807 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-09 04:41:54,807 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-09 04:41:54,807 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 2 more)] ===
[2024-03-09 04:41:54,808 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-09 04:41:54,808 INFO  L85        PathProgramCache]: Analyzing trace with hash 1298570696, now seen corresponding path program 1 times
[2024-03-09 04:41:54,808 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-09 04:41:54,808 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820902248]
[2024-03-09 04:41:54,808 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-09 04:41:54,808 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-09 04:41:54,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-09 04:41:54,911 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-09 04:41:54,911 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-09 04:41:54,912 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820902248]
[2024-03-09 04:41:54,912 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820902248] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-09 04:41:54,912 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-09 04:41:54,912 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-09 04:41:54,912 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762796263]
[2024-03-09 04:41:54,912 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-09 04:41:54,912 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-09 04:41:54,913 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-09 04:41:54,913 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-09 04:41:54,913 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-09 04:41:55,052 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 143 out of 196
[2024-03-09 04:41:55,053 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 187 transitions, 654 flow. Second operand  has 6 states, 6 states have (on average 144.16666666666666) internal successors, (865), 6 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-09 04:41:55,053 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-09 04:41:55,054 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 196
[2024-03-09 04:41:55,054 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
Killed by 15
