./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 4e420a85395664f9c721d66407a6c6673382d7da1606ad83a0dee942b761bb1c
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2024-03-11 23:27:00,900 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-03-11 23:27:00,939 INFO  L114        SettingsManager]: Loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-03-11 23:27:00,980 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-03-11 23:27:00,981 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-03-11 23:27:01,003 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-03-11 23:27:01,004 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-03-11 23:27:01,004 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-03-11 23:27:01,005 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-03-11 23:27:01,005 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-03-11 23:27:01,006 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-03-11 23:27:01,006 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-03-11 23:27:01,006 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-03-11 23:27:01,007 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-03-11 23:27:01,007 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-03-11 23:27:01,007 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-03-11 23:27:01,007 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-03-11 23:27:01,008 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-03-11 23:27:01,008 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-03-11 23:27:01,008 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-03-11 23:27:01,009 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-03-11 23:27:01,009 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-03-11 23:27:01,010 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-03-11 23:27:01,010 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-03-11 23:27:01,010 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-03-11 23:27:01,010 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-03-11 23:27:01,011 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-03-11 23:27:01,011 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-03-11 23:27:01,011 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-03-11 23:27:01,012 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-03-11 23:27:01,012 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-03-11 23:27:01,012 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-03-11 23:27:01,012 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-03-11 23:27:01,013 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-03-11 23:27:01,013 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-03-11 23:27:01,013 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-03-11 23:27:01,013 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-03-11 23:27:01,014 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-03-11 23:27:01,014 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-03-11 23:27:01,014 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-03-11 23:27:01,014 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-03-11 23:27:01,015 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 -> 4e420a85395664f9c721d66407a6c6673382d7da1606ad83a0dee942b761bb1c
[2024-03-11 23:27:02,388 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-03-11 23:27:02,705 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-03-11 23:27:02,707 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-03-11 23:27:02,708 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-03-11 23:27:02,709 INFO  L274        PluginConnector]: CDTParser initialized
[2024-03-11 23:27:02,710 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/atomic-gcc.i
[2024-03-11 23:27:05,380 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-03-11 23:27:05,597 INFO  L384              CDTParser]: Found 1 translation units.
[2024-03-11 23:27:05,598 INFO  L180              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/atomic-gcc.i
[2024-03-11 23:27:05,611 INFO  L427              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/data/04d716b2a/4254bc0c5f474561b6678d154a8294fd/FLAG7ef2a2723
[2024-03-11 23:27:05,935 INFO  L435              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/data/04d716b2a/4254bc0c5f474561b6678d154a8294fd
[2024-03-11 23:27:05,937 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-03-11 23:27:05,938 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-03-11 23:27:05,939 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-03-11 23:27:05,939 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-03-11 23:27:05,945 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-03-11 23:27:05,945 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:27:05" (1/1) ...
[2024-03-11 23:27:05,946 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259b4dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:05, skipping insertion in model container
[2024-03-11 23:27:05,946 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:27:05" (1/1) ...
[2024-03-11 23:27:05,988 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-03-11 23:27:06,255 WARN  L638        FunctionHandler]: implicit declaration of function __sync_fetch_and_add
[2024-03-11 23:27:06,268 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-03-11 23:27:06,275 INFO  L202         MainTranslator]: Completed pre-run
[2024-03-11 23:27:06,299 WARN  L638        FunctionHandler]: implicit declaration of function __sync_fetch_and_add
[2024-03-11 23:27:06,305 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-03-11 23:27:06,338 WARN  L675               CHandler]: The function __sync_fetch_and_add is called, but not defined or handled by StandardFunctionHandler.
[2024-03-11 23:27:06,344 INFO  L206         MainTranslator]: Completed translation
[2024-03-11 23:27:06,345 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06 WrapperNode
[2024-03-11 23:27:06,345 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-03-11 23:27:06,346 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-03-11 23:27:06,346 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-03-11 23:27:06,346 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-03-11 23:27:06,351 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,367 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,392 INFO  L138                Inliner]: procedures = 268, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79
[2024-03-11 23:27:06,392 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-03-11 23:27:06,393 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-03-11 23:27:06,393 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-03-11 23:27:06,393 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-03-11 23:27:06,400 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,401 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,403 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,404 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,410 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,412 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,414 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,415 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,417 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-03-11 23:27:06,418 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-03-11 23:27:06,418 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-03-11 23:27:06,418 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-03-11 23:27:06,419 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (1/1) ...
[2024-03-11 23:27:06,424 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-03-11 23:27:06,432 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi24/UAutomizer-linux/z3
[2024-03-11 23:27:06,448 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)
[2024-03-11 23:27:06,451 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
[2024-03-11 23:27:06,657 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-03-11 23:27:06,657 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-03-11 23:27:06,657 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-03-11 23:27:06,657 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-03-11 23:27:06,658 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-03-11 23:27:06,658 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-03-11 23:27:06,658 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-03-11 23:27:06,658 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-03-11 23:27:06,658 INFO  L130     BoogieDeclarations]: Found specification of procedure __sync_fetch_and_add
[2024-03-11 23:27:06,658 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-03-11 23:27:06,658 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-03-11 23:27:06,659 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-03-11 23:27:06,659 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-03-11 23:27:06,659 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-03-11 23:27:06,665 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-03-11 23:27:07,087 INFO  L241             CfgBuilder]: Building ICFG
[2024-03-11 23:27:07,088 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-03-11 23:27:07,297 INFO  L282             CfgBuilder]: Performing block encoding
[2024-03-11 23:27:07,330 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-03-11 23:27:07,330 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2024-03-11 23:27:07,332 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:27:07 BoogieIcfgContainer
[2024-03-11 23:27:07,332 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-03-11 23:27:07,334 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-03-11 23:27:07,334 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-03-11 23:27:07,338 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-03-11 23:27:07,339 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 11:27:05" (1/3) ...
[2024-03-11 23:27:07,339 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19617e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:27:07, skipping insertion in model container
[2024-03-11 23:27:07,339 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:27:06" (2/3) ...
[2024-03-11 23:27:07,340 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19617e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:27:07, skipping insertion in model container
[2024-03-11 23:27:07,340 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:27:07" (3/3) ...
[2024-03-11 23:27:07,341 INFO  L112   eAbstractionObserver]: Analyzing ICFG atomic-gcc.i
[2024-03-11 23:27:07,354 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-03-11 23:27:07,366 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-03-11 23:27:07,366 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-03-11 23:27:07,366 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-03-11 23:27:07,411 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-03-11 23:27:07,551 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 91 places, 92 transitions, 191 flow
[2024-03-11 23:27:07,623 INFO  L124   PetriNetUnfolderBase]: 6/140 cut-off events.
[2024-03-11 23:27:07,623 INFO  L125   PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-03-11 23:27:07,626 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. 
[2024-03-11 23:27:07,627 INFO  L82        GeneralOperation]: Start removeDead. Operand has 91 places, 92 transitions, 191 flow
[2024-03-11 23:27:07,630 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 82 places, 83 transitions, 173 flow
[2024-03-11 23:27:07,640 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:07,649 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:07,649 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:07,659 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:07,659 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:07,659 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:07,660 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:07,660 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]
[2024-03-11 23:27:07,661 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)] ===
[2024-03-11 23:27:07,665 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:07,665 INFO  L85        PathProgramCache]: Analyzing trace with hash -1212768828, now seen corresponding path program 1 times
[2024-03-11 23:27:07,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:07,695 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566855164]
[2024-03-11 23:27:07,695 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:07,696 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:08,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:08,390 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:08,390 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:08,390 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566855164]
[2024-03-11 23:27:08,391 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566855164] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:08,391 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:08,391 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:08,392 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430045969]
[2024-03-11 23:27:08,393 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:08,399 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:08,403 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:08,421 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:08,422 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:08,706 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 65 out of 92
[2024-03-11 23:27:08,710 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)
[2024-03-11 23:27:08,710 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:08,710 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 92
[2024-03-11 23:27:08,711 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:08,750 INFO  L124   PetriNetUnfolderBase]: 2/124 cut-off events.
[2024-03-11 23:27:08,750 INFO  L125   PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2024-03-11 23:27:08,751 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. 
[2024-03-11 23:27:08,752 INFO  L140   encePairwiseOnDemand]: 74/92 looper letters, 14 selfloop transitions, 8 changer transitions 12/89 dead transitions.
[2024-03-11 23:27:08,752 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 89 transitions, 245 flow
[2024-03-11 23:27:08,753 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:08,755 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:08,761 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 428 transitions.
[2024-03-11 23:27:08,763 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7753623188405797
[2024-03-11 23:27:08,764 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 428 transitions.
[2024-03-11 23:27:08,764 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 428 transitions.
[2024-03-11 23:27:08,766 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:08,767 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 428 transitions.
[2024-03-11 23:27:08,771 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)
[2024-03-11 23:27:08,775 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)
[2024-03-11 23:27:08,775 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)
[2024-03-11 23:27:08,777 INFO  L175             Difference]: Start difference. First operand has 82 places, 83 transitions, 173 flow. Second operand 6 states and 428 transitions.
[2024-03-11 23:27:08,778 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 89 transitions, 245 flow
[2024-03-11 23:27:08,780 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 89 transitions, 245 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:08,782 INFO  L231             Difference]: Finished difference. Result has 88 places, 77 transitions, 207 flow
[2024-03-11 23:27:08,784 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}
[2024-03-11 23:27:08,787 INFO  L281   CegarLoopForPetriNet]: 82 programPoint places, 6 predicate places.
[2024-03-11 23:27:08,787 INFO  L495      AbstractCegarLoop]: Abstraction has has 88 places, 77 transitions, 207 flow
[2024-03-11 23:27:08,787 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)
[2024-03-11 23:27:08,787 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:08,787 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]
[2024-03-11 23:27:08,788 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-03-11 23:27:08,788 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)] ===
[2024-03-11 23:27:08,788 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:08,788 INFO  L85        PathProgramCache]: Analyzing trace with hash -1452665449, now seen corresponding path program 1 times
[2024-03-11 23:27:08,789 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:08,789 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564621469]
[2024-03-11 23:27:08,789 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:08,789 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:08,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:08,874 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:08,874 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:08,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564621469]
[2024-03-11 23:27:08,875 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564621469] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:08,875 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:08,875 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:08,875 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939141953]
[2024-03-11 23:27:08,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:08,876 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:08,877 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:08,877 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:08,877 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:08,925 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 76 out of 92
[2024-03-11 23:27:08,925 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)
[2024-03-11 23:27:08,925 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:08,926 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 92
[2024-03-11 23:27:08,926 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:08,969 INFO  L124   PetriNetUnfolderBase]: 0/96 cut-off events.
[2024-03-11 23:27:08,969 INFO  L125   PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES.
[2024-03-11 23:27:08,969 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. 
[2024-03-11 23:27:08,970 INFO  L140   encePairwiseOnDemand]: 86/92 looper letters, 9 selfloop transitions, 2 changer transitions 3/76 dead transitions.
[2024-03-11 23:27:08,970 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 76 transitions, 218 flow
[2024-03-11 23:27:08,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:08,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:08,972 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 471 transitions.
[2024-03-11 23:27:08,972 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8532608695652174
[2024-03-11 23:27:08,972 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 471 transitions.
[2024-03-11 23:27:08,973 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 471 transitions.
[2024-03-11 23:27:08,973 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:08,973 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 471 transitions.
[2024-03-11 23:27:08,974 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)
[2024-03-11 23:27:08,976 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)
[2024-03-11 23:27:08,977 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)
[2024-03-11 23:27:08,977 INFO  L175             Difference]: Start difference. First operand has 88 places, 77 transitions, 207 flow. Second operand 6 states and 471 transitions.
[2024-03-11 23:27:08,977 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 76 transitions, 218 flow
[2024-03-11 23:27:08,978 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 76 transitions, 210 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:08,979 INFO  L231             Difference]: Finished difference. Result has 89 places, 73 transitions, 190 flow
[2024-03-11 23:27:08,979 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}
[2024-03-11 23:27:08,980 INFO  L281   CegarLoopForPetriNet]: 82 programPoint places, 7 predicate places.
[2024-03-11 23:27:08,980 INFO  L495      AbstractCegarLoop]: Abstraction has has 89 places, 73 transitions, 190 flow
[2024-03-11 23:27:08,980 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)
[2024-03-11 23:27:08,981 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:08,981 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]
[2024-03-11 23:27:08,981 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-03-11 23:27:08,981 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)] ===
[2024-03-11 23:27:08,981 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:08,982 INFO  L85        PathProgramCache]: Analyzing trace with hash -1107089935, now seen corresponding path program 1 times
[2024-03-11 23:27:08,982 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:08,982 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681071558]
[2024-03-11 23:27:08,982 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:08,982 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:09,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:09,007 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:09,030 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:09,047 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:09,048 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:09,049 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:09,050 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:09,050 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:09,051 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:09,051 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:09,051 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-03-11 23:27:09,051 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-03-11 23:27:09,053 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:09,053 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-03-11 23:27:09,066 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-03-11 23:27:09,068 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 100 places, 100 transitions, 216 flow
[2024-03-11 23:27:09,089 INFO  L124   PetriNetUnfolderBase]: 11/247 cut-off events.
[2024-03-11 23:27:09,089 INFO  L125   PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-03-11 23:27:09,090 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. 
[2024-03-11 23:27:09,090 INFO  L82        GeneralOperation]: Start removeDead. Operand has 100 places, 100 transitions, 216 flow
[2024-03-11 23:27:09,091 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 91 places, 91 transitions, 198 flow
[2024-03-11 23:27:09,092 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:09,093 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:09,093 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:09,096 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:09,096 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:09,096 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:09,096 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:09,096 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]
[2024-03-11 23:27:09,096 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)] ===
[2024-03-11 23:27:09,097 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:09,097 INFO  L85        PathProgramCache]: Analyzing trace with hash 676819624, now seen corresponding path program 1 times
[2024-03-11 23:27:09,097 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:09,097 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707938380]
[2024-03-11 23:27:09,097 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:09,097 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:09,107 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:09,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:09,264 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:09,264 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707938380]
[2024-03-11 23:27:09,264 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707938380] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:09,264 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:09,264 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:09,264 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274647301]
[2024-03-11 23:27:09,264 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:09,265 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:09,265 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:09,265 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:09,269 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:09,431 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 71 out of 100
[2024-03-11 23:27:09,431 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)
[2024-03-11 23:27:09,432 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:09,432 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 100
[2024-03-11 23:27:09,432 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:09,508 INFO  L124   PetriNetUnfolderBase]: 4/205 cut-off events.
[2024-03-11 23:27:09,508 INFO  L125   PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES.
[2024-03-11 23:27:09,509 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. 
[2024-03-11 23:27:09,509 INFO  L140   encePairwiseOnDemand]: 82/100 looper letters, 16 selfloop transitions, 8 changer transitions 12/97 dead transitions.
[2024-03-11 23:27:09,509 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 97 transitions, 274 flow
[2024-03-11 23:27:09,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:09,511 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:09,512 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 466 transitions.
[2024-03-11 23:27:09,512 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7766666666666666
[2024-03-11 23:27:09,512 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 466 transitions.
[2024-03-11 23:27:09,512 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 466 transitions.
[2024-03-11 23:27:09,512 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:09,513 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 466 transitions.
[2024-03-11 23:27:09,514 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)
[2024-03-11 23:27:09,515 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)
[2024-03-11 23:27:09,516 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)
[2024-03-11 23:27:09,516 INFO  L175             Difference]: Start difference. First operand has 91 places, 91 transitions, 198 flow. Second operand 6 states and 466 transitions.
[2024-03-11 23:27:09,516 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 97 transitions, 274 flow
[2024-03-11 23:27:09,517 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 97 transitions, 274 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:09,519 INFO  L231             Difference]: Finished difference. Result has 97 places, 85 transitions, 232 flow
[2024-03-11 23:27:09,519 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}
[2024-03-11 23:27:09,520 INFO  L281   CegarLoopForPetriNet]: 91 programPoint places, 6 predicate places.
[2024-03-11 23:27:09,520 INFO  L495      AbstractCegarLoop]: Abstraction has has 97 places, 85 transitions, 232 flow
[2024-03-11 23:27:09,521 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)
[2024-03-11 23:27:09,521 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:09,521 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]
[2024-03-11 23:27:09,521 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-03-11 23:27:09,521 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)] ===
[2024-03-11 23:27:09,522 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:09,522 INFO  L85        PathProgramCache]: Analyzing trace with hash -1664965865, now seen corresponding path program 1 times
[2024-03-11 23:27:09,522 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:09,522 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818874761]
[2024-03-11 23:27:09,522 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:09,523 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:09,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:09,590 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:09,590 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:09,591 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818874761]
[2024-03-11 23:27:09,591 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818874761] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:09,591 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:09,591 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:09,591 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943198017]
[2024-03-11 23:27:09,591 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:09,592 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:09,592 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:09,592 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:09,593 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:09,633 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 82 out of 100
[2024-03-11 23:27:09,633 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)
[2024-03-11 23:27:09,634 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:09,634 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 100
[2024-03-11 23:27:09,634 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:09,677 INFO  L124   PetriNetUnfolderBase]: 2/163 cut-off events.
[2024-03-11 23:27:09,677 INFO  L125   PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2024-03-11 23:27:09,677 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. 
[2024-03-11 23:27:09,677 INFO  L140   encePairwiseOnDemand]: 94/100 looper letters, 12 selfloop transitions, 2 changer transitions 3/85 dead transitions.
[2024-03-11 23:27:09,678 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 85 transitions, 251 flow
[2024-03-11 23:27:09,678 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:09,678 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:09,679 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 510 transitions.
[2024-03-11 23:27:09,679 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.85
[2024-03-11 23:27:09,680 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 510 transitions.
[2024-03-11 23:27:09,680 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 510 transitions.
[2024-03-11 23:27:09,680 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:09,680 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 510 transitions.
[2024-03-11 23:27:09,681 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)
[2024-03-11 23:27:09,682 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)
[2024-03-11 23:27:09,682 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)
[2024-03-11 23:27:09,683 INFO  L175             Difference]: Start difference. First operand has 97 places, 85 transitions, 232 flow. Second operand 6 states and 510 transitions.
[2024-03-11 23:27:09,683 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 85 transitions, 251 flow
[2024-03-11 23:27:09,684 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 85 transitions, 243 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:09,685 INFO  L231             Difference]: Finished difference. Result has 98 places, 82 transitions, 219 flow
[2024-03-11 23:27:09,685 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}
[2024-03-11 23:27:09,686 INFO  L281   CegarLoopForPetriNet]: 91 programPoint places, 7 predicate places.
[2024-03-11 23:27:09,686 INFO  L495      AbstractCegarLoop]: Abstraction has has 98 places, 82 transitions, 219 flow
[2024-03-11 23:27:09,686 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)
[2024-03-11 23:27:09,686 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:09,686 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]
[2024-03-11 23:27:09,686 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-03-11 23:27:09,686 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)] ===
[2024-03-11 23:27:09,687 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:09,687 INFO  L85        PathProgramCache]: Analyzing trace with hash 1341312245, now seen corresponding path program 1 times
[2024-03-11 23:27:09,687 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:09,687 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312054745]
[2024-03-11 23:27:09,687 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:09,687 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:09,702 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:09,936 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:27:09,936 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:09,936 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312054745]
[2024-03-11 23:27:09,936 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312054745] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:09,936 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:09,937 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:09,937 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699088424]
[2024-03-11 23:27:09,937 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:09,937 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:09,937 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:09,938 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:09,938 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:10,105 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 80 out of 100
[2024-03-11 23:27:10,106 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)
[2024-03-11 23:27:10,106 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:10,106 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 100
[2024-03-11 23:27:10,106 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:10,141 INFO  L124   PetriNetUnfolderBase]: 2/156 cut-off events.
[2024-03-11 23:27:10,141 INFO  L125   PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES.
[2024-03-11 23:27:10,142 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. 
[2024-03-11 23:27:10,142 INFO  L140   encePairwiseOnDemand]: 94/100 looper letters, 3 selfloop transitions, 0 changer transitions 23/81 dead transitions.
[2024-03-11 23:27:10,142 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 81 transitions, 245 flow
[2024-03-11 23:27:10,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:10,143 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:10,143 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 495 transitions.
[2024-03-11 23:27:10,144 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.825
[2024-03-11 23:27:10,144 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 495 transitions.
[2024-03-11 23:27:10,144 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 495 transitions.
[2024-03-11 23:27:10,144 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:10,144 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 495 transitions.
[2024-03-11 23:27:10,145 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)
[2024-03-11 23:27:10,146 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)
[2024-03-11 23:27:10,146 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)
[2024-03-11 23:27:10,146 INFO  L175             Difference]: Start difference. First operand has 98 places, 82 transitions, 219 flow. Second operand 6 states and 495 transitions.
[2024-03-11 23:27:10,146 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 81 transitions, 245 flow
[2024-03-11 23:27:10,147 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 81 transitions, 237 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:27:10,148 INFO  L231             Difference]: Finished difference. Result has 95 places, 58 transitions, 155 flow
[2024-03-11 23:27:10,148 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}
[2024-03-11 23:27:10,149 INFO  L281   CegarLoopForPetriNet]: 91 programPoint places, 4 predicate places.
[2024-03-11 23:27:10,149 INFO  L495      AbstractCegarLoop]: Abstraction has has 95 places, 58 transitions, 155 flow
[2024-03-11 23:27:10,149 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)
[2024-03-11 23:27:10,150 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:10,150 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]
[2024-03-11 23:27:10,150 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-03-11 23:27:10,150 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)] ===
[2024-03-11 23:27:10,150 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:10,150 INFO  L85        PathProgramCache]: Analyzing trace with hash -425043410, now seen corresponding path program 1 times
[2024-03-11 23:27:10,150 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:10,150 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128837072]
[2024-03-11 23:27:10,151 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:10,151 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:10,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:10,178 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:10,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:10,195 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:10,195 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:10,196 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:10,196 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:10,196 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:10,196 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:10,196 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:10,196 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-03-11 23:27:10,196 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:27:10,197 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:10,197 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-03-11 23:27:10,210 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-03-11 23:27:10,212 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 109 places, 108 transitions, 243 flow
[2024-03-11 23:27:10,243 INFO  L124   PetriNetUnfolderBase]: 21/435 cut-off events.
[2024-03-11 23:27:10,243 INFO  L125   PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-03-11 23:27:10,244 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. 
[2024-03-11 23:27:10,244 INFO  L82        GeneralOperation]: Start removeDead. Operand has 109 places, 108 transitions, 243 flow
[2024-03-11 23:27:10,245 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 100 places, 99 transitions, 225 flow
[2024-03-11 23:27:10,246 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:10,247 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:10,247 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:10,249 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:10,249 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:10,249 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:10,249 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:10,249 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]
[2024-03-11 23:27:10,250 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)] ===
[2024-03-11 23:27:10,250 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:10,250 INFO  L85        PathProgramCache]: Analyzing trace with hash -1405593452, now seen corresponding path program 1 times
[2024-03-11 23:27:10,250 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:10,250 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844167843]
[2024-03-11 23:27:10,250 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:10,250 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:10,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:10,403 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:10,403 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:10,403 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844167843]
[2024-03-11 23:27:10,403 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844167843] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:10,403 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:10,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:10,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395749710]
[2024-03-11 23:27:10,403 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:10,404 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:10,404 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:10,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:10,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:10,527 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 77 out of 108
[2024-03-11 23:27:10,528 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)
[2024-03-11 23:27:10,528 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:10,528 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 108
[2024-03-11 23:27:10,528 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:10,624 INFO  L124   PetriNetUnfolderBase]: 9/343 cut-off events.
[2024-03-11 23:27:10,624 INFO  L125   PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES.
[2024-03-11 23:27:10,626 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. 
[2024-03-11 23:27:10,626 INFO  L140   encePairwiseOnDemand]: 90/108 looper letters, 18 selfloop transitions, 8 changer transitions 12/105 dead transitions.
[2024-03-11 23:27:10,626 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 105 transitions, 305 flow
[2024-03-11 23:27:10,627 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:10,627 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:10,628 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 504 transitions.
[2024-03-11 23:27:10,629 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7777777777777778
[2024-03-11 23:27:10,629 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 504 transitions.
[2024-03-11 23:27:10,629 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 504 transitions.
[2024-03-11 23:27:10,629 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:10,629 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 504 transitions.
[2024-03-11 23:27:10,630 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)
[2024-03-11 23:27:10,631 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)
[2024-03-11 23:27:10,631 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)
[2024-03-11 23:27:10,632 INFO  L175             Difference]: Start difference. First operand has 100 places, 99 transitions, 225 flow. Second operand 6 states and 504 transitions.
[2024-03-11 23:27:10,632 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 105 transitions, 305 flow
[2024-03-11 23:27:10,632 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 105 transitions, 305 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:10,634 INFO  L231             Difference]: Finished difference. Result has 106 places, 93 transitions, 259 flow
[2024-03-11 23:27:10,634 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}
[2024-03-11 23:27:10,634 INFO  L281   CegarLoopForPetriNet]: 100 programPoint places, 6 predicate places.
[2024-03-11 23:27:10,634 INFO  L495      AbstractCegarLoop]: Abstraction has has 106 places, 93 transitions, 259 flow
[2024-03-11 23:27:10,635 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)
[2024-03-11 23:27:10,635 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:10,635 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]
[2024-03-11 23:27:10,635 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-03-11 23:27:10,635 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)] ===
[2024-03-11 23:27:10,635 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:10,636 INFO  L85        PathProgramCache]: Analyzing trace with hash 1026327447, now seen corresponding path program 1 times
[2024-03-11 23:27:10,636 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:10,636 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187661433]
[2024-03-11 23:27:10,636 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:10,636 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:10,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:10,694 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:10,694 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:10,694 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187661433]
[2024-03-11 23:27:10,694 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187661433] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:10,694 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:10,695 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:10,695 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131532464]
[2024-03-11 23:27:10,695 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:10,695 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:10,695 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:10,695 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:10,696 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:10,761 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 88 out of 108
[2024-03-11 23:27:10,762 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)
[2024-03-11 23:27:10,762 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:10,762 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 108
[2024-03-11 23:27:10,762 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:10,816 INFO  L124   PetriNetUnfolderBase]: 7/273 cut-off events.
[2024-03-11 23:27:10,816 INFO  L125   PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES.
[2024-03-11 23:27:10,817 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. 
[2024-03-11 23:27:10,817 INFO  L140   encePairwiseOnDemand]: 102/108 looper letters, 14 selfloop transitions, 2 changer transitions 3/93 dead transitions.
[2024-03-11 23:27:10,817 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 93 transitions, 282 flow
[2024-03-11 23:27:10,818 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:10,818 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:10,818 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 548 transitions.
[2024-03-11 23:27:10,819 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.845679012345679
[2024-03-11 23:27:10,819 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 548 transitions.
[2024-03-11 23:27:10,819 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 548 transitions.
[2024-03-11 23:27:10,819 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:10,819 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 548 transitions.
[2024-03-11 23:27:10,820 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)
[2024-03-11 23:27:10,821 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)
[2024-03-11 23:27:10,822 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)
[2024-03-11 23:27:10,822 INFO  L175             Difference]: Start difference. First operand has 106 places, 93 transitions, 259 flow. Second operand 6 states and 548 transitions.
[2024-03-11 23:27:10,822 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 93 transitions, 282 flow
[2024-03-11 23:27:10,823 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 93 transitions, 274 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:10,824 INFO  L231             Difference]: Finished difference. Result has 107 places, 90 transitions, 246 flow
[2024-03-11 23:27:10,824 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}
[2024-03-11 23:27:10,824 INFO  L281   CegarLoopForPetriNet]: 100 programPoint places, 7 predicate places.
[2024-03-11 23:27:10,824 INFO  L495      AbstractCegarLoop]: Abstraction has has 107 places, 90 transitions, 246 flow
[2024-03-11 23:27:10,825 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)
[2024-03-11 23:27:10,825 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:10,825 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]
[2024-03-11 23:27:10,825 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-03-11 23:27:10,825 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)] ===
[2024-03-11 23:27:10,825 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:10,825 INFO  L85        PathProgramCache]: Analyzing trace with hash -1424807833, now seen corresponding path program 1 times
[2024-03-11 23:27:10,825 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:10,826 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137973767]
[2024-03-11 23:27:10,826 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:10,826 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:10,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:11,028 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:27:11,028 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:11,028 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137973767]
[2024-03-11 23:27:11,028 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137973767] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:11,028 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:11,028 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:11,028 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634250772]
[2024-03-11 23:27:11,028 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:11,029 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:11,029 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:11,029 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:11,029 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:11,201 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 86 out of 108
[2024-03-11 23:27:11,202 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)
[2024-03-11 23:27:11,202 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:11,202 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 108
[2024-03-11 23:27:11,202 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:11,257 INFO  L124   PetriNetUnfolderBase]: 7/262 cut-off events.
[2024-03-11 23:27:11,257 INFO  L125   PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-03-11 23:27:11,258 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. 
[2024-03-11 23:27:11,258 INFO  L140   encePairwiseOnDemand]: 102/108 looper letters, 4 selfloop transitions, 0 changer transitions 24/89 dead transitions.
[2024-03-11 23:27:11,258 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 89 transitions, 276 flow
[2024-03-11 23:27:11,260 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:11,260 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:11,261 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 533 transitions.
[2024-03-11 23:27:11,261 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8225308641975309
[2024-03-11 23:27:11,261 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 533 transitions.
[2024-03-11 23:27:11,261 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 533 transitions.
[2024-03-11 23:27:11,262 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:11,262 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 533 transitions.
[2024-03-11 23:27:11,263 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)
[2024-03-11 23:27:11,264 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)
[2024-03-11 23:27:11,264 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)
[2024-03-11 23:27:11,264 INFO  L175             Difference]: Start difference. First operand has 107 places, 90 transitions, 246 flow. Second operand 6 states and 533 transitions.
[2024-03-11 23:27:11,264 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 89 transitions, 276 flow
[2024-03-11 23:27:11,265 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 89 transitions, 268 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:27:11,266 INFO  L231             Difference]: Finished difference. Result has 104 places, 65 transitions, 177 flow
[2024-03-11 23:27:11,266 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}
[2024-03-11 23:27:11,266 INFO  L281   CegarLoopForPetriNet]: 100 programPoint places, 4 predicate places.
[2024-03-11 23:27:11,266 INFO  L495      AbstractCegarLoop]: Abstraction has has 104 places, 65 transitions, 177 flow
[2024-03-11 23:27:11,267 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)
[2024-03-11 23:27:11,267 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:11,267 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]
[2024-03-11 23:27:11,267 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-03-11 23:27:11,267 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)] ===
[2024-03-11 23:27:11,267 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:11,267 INFO  L85        PathProgramCache]: Analyzing trace with hash -1103624336, now seen corresponding path program 1 times
[2024-03-11 23:27:11,268 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:11,268 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534141538]
[2024-03-11 23:27:11,268 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:11,268 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:11,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:11,296 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:11,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:11,316 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:11,316 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:11,316 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:11,316 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:11,316 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:11,316 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:11,316 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:11,317 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-03-11 23:27:11,317 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:27:11,317 WARN  L233   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:11,317 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-03-11 23:27:11,331 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-03-11 23:27:11,333 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 118 places, 116 transitions, 272 flow
[2024-03-11 23:27:11,392 INFO  L124   PetriNetUnfolderBase]: 43/787 cut-off events.
[2024-03-11 23:27:11,392 INFO  L125   PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES.
[2024-03-11 23:27:11,394 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. 
[2024-03-11 23:27:11,394 INFO  L82        GeneralOperation]: Start removeDead. Operand has 118 places, 116 transitions, 272 flow
[2024-03-11 23:27:11,395 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 109 places, 107 transitions, 254 flow
[2024-03-11 23:27:11,396 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:11,397 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:11,397 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:11,399 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:11,399 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:11,399 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:11,399 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:11,399 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]
[2024-03-11 23:27:11,399 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)] ===
[2024-03-11 23:27:11,399 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:11,399 INFO  L85        PathProgramCache]: Analyzing trace with hash 1129926536, now seen corresponding path program 1 times
[2024-03-11 23:27:11,400 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:11,400 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324771720]
[2024-03-11 23:27:11,400 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:11,400 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:11,407 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:11,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:11,531 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:11,532 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324771720]
[2024-03-11 23:27:11,532 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324771720] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:11,532 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:11,532 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:11,532 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560962135]
[2024-03-11 23:27:11,532 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:11,532 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:11,532 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:11,533 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:11,533 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:11,675 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 83 out of 116
[2024-03-11 23:27:11,675 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)
[2024-03-11 23:27:11,675 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:11,676 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 116
[2024-03-11 23:27:11,676 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:11,767 INFO  L124   PetriNetUnfolderBase]: 22/597 cut-off events.
[2024-03-11 23:27:11,767 INFO  L125   PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES.
[2024-03-11 23:27:11,768 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. 
[2024-03-11 23:27:11,769 INFO  L140   encePairwiseOnDemand]: 98/116 looper letters, 20 selfloop transitions, 8 changer transitions 12/113 dead transitions.
[2024-03-11 23:27:11,769 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 113 transitions, 338 flow
[2024-03-11 23:27:11,770 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:11,771 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:11,771 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 542 transitions.
[2024-03-11 23:27:11,772 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7787356321839081
[2024-03-11 23:27:11,772 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 542 transitions.
[2024-03-11 23:27:11,772 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 542 transitions.
[2024-03-11 23:27:11,772 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:11,772 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 542 transitions.
[2024-03-11 23:27:11,773 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)
[2024-03-11 23:27:11,774 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)
[2024-03-11 23:27:11,775 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)
[2024-03-11 23:27:11,775 INFO  L175             Difference]: Start difference. First operand has 109 places, 107 transitions, 254 flow. Second operand 6 states and 542 transitions.
[2024-03-11 23:27:11,775 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 113 transitions, 338 flow
[2024-03-11 23:27:11,776 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 113 transitions, 338 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:11,777 INFO  L231             Difference]: Finished difference. Result has 115 places, 101 transitions, 288 flow
[2024-03-11 23:27:11,777 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}
[2024-03-11 23:27:11,777 INFO  L281   CegarLoopForPetriNet]: 109 programPoint places, 6 predicate places.
[2024-03-11 23:27:11,777 INFO  L495      AbstractCegarLoop]: Abstraction has has 115 places, 101 transitions, 288 flow
[2024-03-11 23:27:11,778 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)
[2024-03-11 23:27:11,778 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:11,778 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]
[2024-03-11 23:27:11,778 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-03-11 23:27:11,778 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)] ===
[2024-03-11 23:27:11,778 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:11,778 INFO  L85        PathProgramCache]: Analyzing trace with hash -1968720105, now seen corresponding path program 1 times
[2024-03-11 23:27:11,778 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:11,778 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165608865]
[2024-03-11 23:27:11,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:11,779 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:11,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:11,830 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:11,831 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:11,831 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165608865]
[2024-03-11 23:27:11,831 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165608865] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:11,831 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:11,831 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:11,831 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596600044]
[2024-03-11 23:27:11,831 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:11,831 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:11,832 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:11,832 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:11,832 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:11,879 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 94 out of 116
[2024-03-11 23:27:11,880 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)
[2024-03-11 23:27:11,880 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:11,880 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 116
[2024-03-11 23:27:11,880 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:11,965 INFO  L124   PetriNetUnfolderBase]: 20/471 cut-off events.
[2024-03-11 23:27:11,965 INFO  L125   PetriNetUnfolderBase]: For 123/123 co-relation queries the response was YES.
[2024-03-11 23:27:11,966 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. 
[2024-03-11 23:27:11,967 INFO  L140   encePairwiseOnDemand]: 110/116 looper letters, 16 selfloop transitions, 2 changer transitions 3/101 dead transitions.
[2024-03-11 23:27:11,967 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 101 transitions, 315 flow
[2024-03-11 23:27:11,968 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:11,968 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:11,969 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 586 transitions.
[2024-03-11 23:27:11,969 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8419540229885057
[2024-03-11 23:27:11,969 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 586 transitions.
[2024-03-11 23:27:11,969 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 586 transitions.
[2024-03-11 23:27:11,969 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:11,969 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 586 transitions.
[2024-03-11 23:27:11,971 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)
[2024-03-11 23:27:11,972 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)
[2024-03-11 23:27:11,972 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)
[2024-03-11 23:27:11,972 INFO  L175             Difference]: Start difference. First operand has 115 places, 101 transitions, 288 flow. Second operand 6 states and 586 transitions.
[2024-03-11 23:27:11,972 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 101 transitions, 315 flow
[2024-03-11 23:27:11,973 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 101 transitions, 307 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:11,974 INFO  L231             Difference]: Finished difference. Result has 116 places, 98 transitions, 275 flow
[2024-03-11 23:27:11,974 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}
[2024-03-11 23:27:11,975 INFO  L281   CegarLoopForPetriNet]: 109 programPoint places, 7 predicate places.
[2024-03-11 23:27:11,975 INFO  L495      AbstractCegarLoop]: Abstraction has has 116 places, 98 transitions, 275 flow
[2024-03-11 23:27:11,975 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)
[2024-03-11 23:27:11,975 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:11,975 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]
[2024-03-11 23:27:11,976 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-03-11 23:27:11,976 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)] ===
[2024-03-11 23:27:11,976 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:11,976 INFO  L85        PathProgramCache]: Analyzing trace with hash 1254787297, now seen corresponding path program 1 times
[2024-03-11 23:27:11,976 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:11,976 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821239846]
[2024-03-11 23:27:11,976 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:11,976 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:11,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:12,162 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:27:12,162 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:12,163 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821239846]
[2024-03-11 23:27:12,163 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821239846] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:12,163 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:12,163 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:12,163 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967975829]
[2024-03-11 23:27:12,163 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:12,163 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:12,164 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:12,164 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:12,164 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:12,341 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 92 out of 116
[2024-03-11 23:27:12,342 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)
[2024-03-11 23:27:12,342 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:12,342 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 116
[2024-03-11 23:27:12,342 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:12,417 INFO  L124   PetriNetUnfolderBase]: 20/452 cut-off events.
[2024-03-11 23:27:12,417 INFO  L125   PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES.
[2024-03-11 23:27:12,418 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. 
[2024-03-11 23:27:12,419 INFO  L140   encePairwiseOnDemand]: 110/116 looper letters, 5 selfloop transitions, 0 changer transitions 25/97 dead transitions.
[2024-03-11 23:27:12,419 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 97 transitions, 309 flow
[2024-03-11 23:27:12,420 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:12,420 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:12,421 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 571 transitions.
[2024-03-11 23:27:12,421 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8204022988505747
[2024-03-11 23:27:12,422 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 571 transitions.
[2024-03-11 23:27:12,422 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 571 transitions.
[2024-03-11 23:27:12,422 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:12,422 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 571 transitions.
[2024-03-11 23:27:12,423 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)
[2024-03-11 23:27:12,424 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)
[2024-03-11 23:27:12,424 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)
[2024-03-11 23:27:12,424 INFO  L175             Difference]: Start difference. First operand has 116 places, 98 transitions, 275 flow. Second operand 6 states and 571 transitions.
[2024-03-11 23:27:12,424 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 97 transitions, 309 flow
[2024-03-11 23:27:12,425 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 97 transitions, 301 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:27:12,426 INFO  L231             Difference]: Finished difference. Result has 113 places, 72 transitions, 201 flow
[2024-03-11 23:27:12,427 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}
[2024-03-11 23:27:12,427 INFO  L281   CegarLoopForPetriNet]: 109 programPoint places, 4 predicate places.
[2024-03-11 23:27:12,427 INFO  L495      AbstractCegarLoop]: Abstraction has has 113 places, 72 transitions, 201 flow
[2024-03-11 23:27:12,427 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)
[2024-03-11 23:27:12,427 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:12,428 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]
[2024-03-11 23:27:12,428 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-03-11 23:27:12,428 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)] ===
[2024-03-11 23:27:12,428 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:12,428 INFO  L85        PathProgramCache]: Analyzing trace with hash -1376702855, now seen corresponding path program 1 times
[2024-03-11 23:27:12,428 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:12,428 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844851488]
[2024-03-11 23:27:12,428 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:12,429 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:12,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:12,458 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:12,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:12,481 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:12,481 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:12,481 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:12,482 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:12,482 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:12,482 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:12,482 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:12,482 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-03-11 23:27:12,482 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:27:12,482 WARN  L233   ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:12,482 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2024-03-11 23:27:12,496 INFO  L144    ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions.
[2024-03-11 23:27:12,498 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 127 places, 124 transitions, 303 flow
[2024-03-11 23:27:12,629 INFO  L124   PetriNetUnfolderBase]: 93/1471 cut-off events.
[2024-03-11 23:27:12,629 INFO  L125   PetriNetUnfolderBase]: For 110/110 co-relation queries the response was YES.
[2024-03-11 23:27:12,631 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. 
[2024-03-11 23:27:12,631 INFO  L82        GeneralOperation]: Start removeDead. Operand has 127 places, 124 transitions, 303 flow
[2024-03-11 23:27:12,635 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 118 places, 115 transitions, 285 flow
[2024-03-11 23:27:12,636 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:12,637 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:12,637 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:12,641 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:12,641 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:12,642 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:12,642 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:12,642 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]
[2024-03-11 23:27:12,642 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)] ===
[2024-03-11 23:27:12,642 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:12,642 INFO  L85        PathProgramCache]: Analyzing trace with hash -306555004, now seen corresponding path program 1 times
[2024-03-11 23:27:12,643 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:12,643 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477121239]
[2024-03-11 23:27:12,643 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:12,643 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:12,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:12,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:12,765 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:12,765 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477121239]
[2024-03-11 23:27:12,765 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477121239] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:12,765 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:12,766 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:12,766 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306469642]
[2024-03-11 23:27:12,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:12,766 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:12,766 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:12,766 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:12,766 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:12,890 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 89 out of 124
[2024-03-11 23:27:12,891 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)
[2024-03-11 23:27:12,891 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:12,891 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 124
[2024-03-11 23:27:12,891 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:13,054 INFO  L124   PetriNetUnfolderBase]: 55/1087 cut-off events.
[2024-03-11 23:27:13,054 INFO  L125   PetriNetUnfolderBase]: For 285/285 co-relation queries the response was YES.
[2024-03-11 23:27:13,056 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. 
[2024-03-11 23:27:13,058 INFO  L140   encePairwiseOnDemand]: 106/124 looper letters, 22 selfloop transitions, 8 changer transitions 12/121 dead transitions.
[2024-03-11 23:27:13,058 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 121 transitions, 373 flow
[2024-03-11 23:27:13,060 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:13,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:13,061 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 580 transitions.
[2024-03-11 23:27:13,062 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7795698924731183
[2024-03-11 23:27:13,062 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 580 transitions.
[2024-03-11 23:27:13,062 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 580 transitions.
[2024-03-11 23:27:13,062 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:13,062 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 580 transitions.
[2024-03-11 23:27:13,064 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)
[2024-03-11 23:27:13,065 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)
[2024-03-11 23:27:13,066 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)
[2024-03-11 23:27:13,066 INFO  L175             Difference]: Start difference. First operand has 118 places, 115 transitions, 285 flow. Second operand 6 states and 580 transitions.
[2024-03-11 23:27:13,066 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 121 transitions, 373 flow
[2024-03-11 23:27:13,068 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 121 transitions, 373 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:13,069 INFO  L231             Difference]: Finished difference. Result has 124 places, 109 transitions, 319 flow
[2024-03-11 23:27:13,070 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}
[2024-03-11 23:27:13,070 INFO  L281   CegarLoopForPetriNet]: 118 programPoint places, 6 predicate places.
[2024-03-11 23:27:13,070 INFO  L495      AbstractCegarLoop]: Abstraction has has 124 places, 109 transitions, 319 flow
[2024-03-11 23:27:13,071 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)
[2024-03-11 23:27:13,071 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:13,071 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]
[2024-03-11 23:27:13,071 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-03-11 23:27:13,071 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)] ===
[2024-03-11 23:27:13,072 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:13,072 INFO  L85        PathProgramCache]: Analyzing trace with hash -2060173929, now seen corresponding path program 1 times
[2024-03-11 23:27:13,072 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:13,072 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920434039]
[2024-03-11 23:27:13,072 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:13,072 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:13,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:13,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:13,126 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:13,126 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920434039]
[2024-03-11 23:27:13,127 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920434039] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:13,127 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:13,127 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:13,127 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108591914]
[2024-03-11 23:27:13,127 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:13,127 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:13,127 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:13,127 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:13,128 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:13,183 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 124
[2024-03-11 23:27:13,184 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)
[2024-03-11 23:27:13,184 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:13,184 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 124
[2024-03-11 23:27:13,184 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:13,299 INFO  L124   PetriNetUnfolderBase]: 53/849 cut-off events.
[2024-03-11 23:27:13,299 INFO  L125   PetriNetUnfolderBase]: For 286/286 co-relation queries the response was YES.
[2024-03-11 23:27:13,301 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. 
[2024-03-11 23:27:13,303 INFO  L140   encePairwiseOnDemand]: 118/124 looper letters, 18 selfloop transitions, 2 changer transitions 3/109 dead transitions.
[2024-03-11 23:27:13,303 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 109 transitions, 350 flow
[2024-03-11 23:27:13,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:13,304 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:13,305 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 624 transitions.
[2024-03-11 23:27:13,305 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8387096774193549
[2024-03-11 23:27:13,305 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 624 transitions.
[2024-03-11 23:27:13,305 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 624 transitions.
[2024-03-11 23:27:13,305 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:13,305 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 624 transitions.
[2024-03-11 23:27:13,307 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)
[2024-03-11 23:27:13,308 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)
[2024-03-11 23:27:13,308 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)
[2024-03-11 23:27:13,308 INFO  L175             Difference]: Start difference. First operand has 124 places, 109 transitions, 319 flow. Second operand 6 states and 624 transitions.
[2024-03-11 23:27:13,308 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 109 transitions, 350 flow
[2024-03-11 23:27:13,309 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 109 transitions, 342 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:13,311 INFO  L231             Difference]: Finished difference. Result has 125 places, 106 transitions, 306 flow
[2024-03-11 23:27:13,311 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}
[2024-03-11 23:27:13,312 INFO  L281   CegarLoopForPetriNet]: 118 programPoint places, 7 predicate places.
[2024-03-11 23:27:13,312 INFO  L495      AbstractCegarLoop]: Abstraction has has 125 places, 106 transitions, 306 flow
[2024-03-11 23:27:13,312 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)
[2024-03-11 23:27:13,312 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:13,312 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]
[2024-03-11 23:27:13,312 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-03-11 23:27:13,312 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)] ===
[2024-03-11 23:27:13,313 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:13,313 INFO  L85        PathProgramCache]: Analyzing trace with hash 790163043, now seen corresponding path program 1 times
[2024-03-11 23:27:13,313 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:13,313 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295220421]
[2024-03-11 23:27:13,313 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:13,313 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:13,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:13,508 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:27:13,508 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:13,508 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295220421]
[2024-03-11 23:27:13,508 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295220421] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:13,508 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:13,508 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:13,508 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907970776]
[2024-03-11 23:27:13,508 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:13,508 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:13,509 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:13,509 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:13,509 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:13,688 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 98 out of 124
[2024-03-11 23:27:13,689 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)
[2024-03-11 23:27:13,689 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:13,689 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 124
[2024-03-11 23:27:13,689 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:13,825 INFO  L124   PetriNetUnfolderBase]: 53/814 cut-off events.
[2024-03-11 23:27:13,825 INFO  L125   PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES.
[2024-03-11 23:27:13,827 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. 
[2024-03-11 23:27:13,827 INFO  L140   encePairwiseOnDemand]: 118/124 looper letters, 6 selfloop transitions, 0 changer transitions 26/105 dead transitions.
[2024-03-11 23:27:13,827 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 105 transitions, 344 flow
[2024-03-11 23:27:13,828 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:13,828 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:13,829 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 609 transitions.
[2024-03-11 23:27:13,829 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8185483870967742
[2024-03-11 23:27:13,830 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 609 transitions.
[2024-03-11 23:27:13,830 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 609 transitions.
[2024-03-11 23:27:13,830 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:13,830 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 609 transitions.
[2024-03-11 23:27:13,831 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)
[2024-03-11 23:27:13,832 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)
[2024-03-11 23:27:13,833 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)
[2024-03-11 23:27:13,833 INFO  L175             Difference]: Start difference. First operand has 125 places, 106 transitions, 306 flow. Second operand 6 states and 609 transitions.
[2024-03-11 23:27:13,833 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 105 transitions, 344 flow
[2024-03-11 23:27:13,834 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 105 transitions, 336 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:27:13,835 INFO  L231             Difference]: Finished difference. Result has 122 places, 79 transitions, 227 flow
[2024-03-11 23:27:13,835 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}
[2024-03-11 23:27:13,836 INFO  L281   CegarLoopForPetriNet]: 118 programPoint places, 4 predicate places.
[2024-03-11 23:27:13,836 INFO  L495      AbstractCegarLoop]: Abstraction has has 122 places, 79 transitions, 227 flow
[2024-03-11 23:27:13,836 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)
[2024-03-11 23:27:13,836 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:13,836 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]
[2024-03-11 23:27:13,836 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-03-11 23:27:13,836 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)] ===
[2024-03-11 23:27:13,837 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:13,837 INFO  L85        PathProgramCache]: Analyzing trace with hash -189407249, now seen corresponding path program 1 times
[2024-03-11 23:27:13,837 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:13,837 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622145045]
[2024-03-11 23:27:13,837 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:13,837 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:13,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:13,868 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:13,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:13,893 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:13,893 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:13,893 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:13,893 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:13,893 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:13,893 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:13,893 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:13,893 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-03-11 23:27:13,894 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:27:13,894 WARN  L233   ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:13,894 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances.
[2024-03-11 23:27:13,912 INFO  L144    ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions.
[2024-03-11 23:27:13,913 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 136 places, 132 transitions, 336 flow
[2024-03-11 23:27:14,160 INFO  L124   PetriNetUnfolderBase]: 207/2827 cut-off events.
[2024-03-11 23:27:14,160 INFO  L125   PetriNetUnfolderBase]: For 242/242 co-relation queries the response was YES.
[2024-03-11 23:27:14,165 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. 
[2024-03-11 23:27:14,165 INFO  L82        GeneralOperation]: Start removeDead. Operand has 136 places, 132 transitions, 336 flow
[2024-03-11 23:27:14,170 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 127 places, 123 transitions, 318 flow
[2024-03-11 23:27:14,171 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:14,171 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:14,171 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:14,173 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:14,173 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:14,173 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:14,173 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:14,173 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]
[2024-03-11 23:27:14,173 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)] ===
[2024-03-11 23:27:14,174 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:14,174 INFO  L85        PathProgramCache]: Analyzing trace with hash -1420070776, now seen corresponding path program 1 times
[2024-03-11 23:27:14,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:14,174 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504350454]
[2024-03-11 23:27:14,174 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:14,174 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:14,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:14,292 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:14,292 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:14,292 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504350454]
[2024-03-11 23:27:14,292 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504350454] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:14,292 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:14,292 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:14,292 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027500341]
[2024-03-11 23:27:14,292 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:14,292 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:14,292 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:14,293 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:14,293 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:14,428 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 95 out of 132
[2024-03-11 23:27:14,428 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)
[2024-03-11 23:27:14,428 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:14,429 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 132
[2024-03-11 23:27:14,429 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:14,728 INFO  L124   PetriNetUnfolderBase]: 136/2057 cut-off events.
[2024-03-11 23:27:14,728 INFO  L125   PetriNetUnfolderBase]: For 647/647 co-relation queries the response was YES.
[2024-03-11 23:27:14,730 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. 
[2024-03-11 23:27:14,734 INFO  L140   encePairwiseOnDemand]: 114/132 looper letters, 24 selfloop transitions, 8 changer transitions 12/129 dead transitions.
[2024-03-11 23:27:14,734 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 129 transitions, 410 flow
[2024-03-11 23:27:14,735 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:14,736 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:14,737 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 618 transitions.
[2024-03-11 23:27:14,737 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7803030303030303
[2024-03-11 23:27:14,737 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 618 transitions.
[2024-03-11 23:27:14,737 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 618 transitions.
[2024-03-11 23:27:14,738 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:14,738 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 618 transitions.
[2024-03-11 23:27:14,739 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)
[2024-03-11 23:27:14,740 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)
[2024-03-11 23:27:14,740 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)
[2024-03-11 23:27:14,740 INFO  L175             Difference]: Start difference. First operand has 127 places, 123 transitions, 318 flow. Second operand 6 states and 618 transitions.
[2024-03-11 23:27:14,740 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 129 transitions, 410 flow
[2024-03-11 23:27:14,741 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 129 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:14,743 INFO  L231             Difference]: Finished difference. Result has 133 places, 117 transitions, 352 flow
[2024-03-11 23:27:14,743 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}
[2024-03-11 23:27:14,743 INFO  L281   CegarLoopForPetriNet]: 127 programPoint places, 6 predicate places.
[2024-03-11 23:27:14,744 INFO  L495      AbstractCegarLoop]: Abstraction has has 133 places, 117 transitions, 352 flow
[2024-03-11 23:27:14,744 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)
[2024-03-11 23:27:14,744 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:14,744 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]
[2024-03-11 23:27:14,744 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-03-11 23:27:14,744 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)] ===
[2024-03-11 23:27:14,745 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:14,745 INFO  L85        PathProgramCache]: Analyzing trace with hash 751965975, now seen corresponding path program 1 times
[2024-03-11 23:27:14,745 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:14,745 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100383263]
[2024-03-11 23:27:14,745 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:14,745 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:14,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:14,803 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:14,804 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:14,804 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100383263]
[2024-03-11 23:27:14,804 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100383263] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:14,804 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:14,804 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:14,804 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615572093]
[2024-03-11 23:27:14,804 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:14,804 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:14,805 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:14,805 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:14,805 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:14,848 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 106 out of 132
[2024-03-11 23:27:14,849 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)
[2024-03-11 23:27:14,849 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:14,849 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 132
[2024-03-11 23:27:14,849 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:15,076 INFO  L124   PetriNetUnfolderBase]: 134/1595 cut-off events.
[2024-03-11 23:27:15,076 INFO  L125   PetriNetUnfolderBase]: For 648/648 co-relation queries the response was YES.
[2024-03-11 23:27:15,078 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. 
[2024-03-11 23:27:15,081 INFO  L140   encePairwiseOnDemand]: 126/132 looper letters, 20 selfloop transitions, 2 changer transitions 3/117 dead transitions.
[2024-03-11 23:27:15,081 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 117 transitions, 387 flow
[2024-03-11 23:27:15,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:15,082 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:15,083 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 662 transitions.
[2024-03-11 23:27:15,083 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8358585858585859
[2024-03-11 23:27:15,084 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 662 transitions.
[2024-03-11 23:27:15,084 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 662 transitions.
[2024-03-11 23:27:15,084 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:15,084 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 662 transitions.
[2024-03-11 23:27:15,085 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)
[2024-03-11 23:27:15,086 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)
[2024-03-11 23:27:15,087 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)
[2024-03-11 23:27:15,087 INFO  L175             Difference]: Start difference. First operand has 133 places, 117 transitions, 352 flow. Second operand 6 states and 662 transitions.
[2024-03-11 23:27:15,087 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 117 transitions, 387 flow
[2024-03-11 23:27:15,088 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 117 transitions, 379 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:15,090 INFO  L231             Difference]: Finished difference. Result has 134 places, 114 transitions, 339 flow
[2024-03-11 23:27:15,090 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}
[2024-03-11 23:27:15,090 INFO  L281   CegarLoopForPetriNet]: 127 programPoint places, 7 predicate places.
[2024-03-11 23:27:15,090 INFO  L495      AbstractCegarLoop]: Abstraction has has 134 places, 114 transitions, 339 flow
[2024-03-11 23:27:15,090 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)
[2024-03-11 23:27:15,090 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:15,090 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]
[2024-03-11 23:27:15,091 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-03-11 23:27:15,091 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)] ===
[2024-03-11 23:27:15,091 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:15,091 INFO  L85        PathProgramCache]: Analyzing trace with hash 1476286701, now seen corresponding path program 1 times
[2024-03-11 23:27:15,091 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:15,091 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246807289]
[2024-03-11 23:27:15,091 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:15,091 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:15,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:15,247 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:27:15,247 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:15,248 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246807289]
[2024-03-11 23:27:15,248 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246807289] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:15,248 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:15,248 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:15,248 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395055032]
[2024-03-11 23:27:15,248 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:15,248 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:15,248 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:15,249 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:15,249 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:15,387 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 132
[2024-03-11 23:27:15,388 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)
[2024-03-11 23:27:15,388 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:15,388 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 132
[2024-03-11 23:27:15,388 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:15,596 INFO  L124   PetriNetUnfolderBase]: 134/1528 cut-off events.
[2024-03-11 23:27:15,596 INFO  L125   PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES.
[2024-03-11 23:27:15,600 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. 
[2024-03-11 23:27:15,601 INFO  L140   encePairwiseOnDemand]: 126/132 looper letters, 7 selfloop transitions, 0 changer transitions 27/113 dead transitions.
[2024-03-11 23:27:15,601 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 113 transitions, 381 flow
[2024-03-11 23:27:15,602 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:15,602 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:15,603 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 647 transitions.
[2024-03-11 23:27:15,603 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8169191919191919
[2024-03-11 23:27:15,603 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 647 transitions.
[2024-03-11 23:27:15,603 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 647 transitions.
[2024-03-11 23:27:15,604 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:15,604 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 647 transitions.
[2024-03-11 23:27:15,605 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)
[2024-03-11 23:27:15,606 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)
[2024-03-11 23:27:15,606 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)
[2024-03-11 23:27:15,606 INFO  L175             Difference]: Start difference. First operand has 134 places, 114 transitions, 339 flow. Second operand 6 states and 647 transitions.
[2024-03-11 23:27:15,606 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 113 transitions, 381 flow
[2024-03-11 23:27:15,608 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 113 transitions, 373 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:27:15,609 INFO  L231             Difference]: Finished difference. Result has 131 places, 86 transitions, 255 flow
[2024-03-11 23:27:15,609 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}
[2024-03-11 23:27:15,609 INFO  L281   CegarLoopForPetriNet]: 127 programPoint places, 4 predicate places.
[2024-03-11 23:27:15,609 INFO  L495      AbstractCegarLoop]: Abstraction has has 131 places, 86 transitions, 255 flow
[2024-03-11 23:27:15,609 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)
[2024-03-11 23:27:15,610 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:15,610 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]
[2024-03-11 23:27:15,610 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-03-11 23:27:15,610 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)] ===
[2024-03-11 23:27:15,610 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:15,610 INFO  L85        PathProgramCache]: Analyzing trace with hash 1058559972, now seen corresponding path program 1 times
[2024-03-11 23:27:15,610 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:15,610 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547496143]
[2024-03-11 23:27:15,610 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:15,610 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:15,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:15,646 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:15,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:15,673 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:15,673 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:15,673 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:15,674 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:15,674 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:15,674 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:15,674 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:15,674 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-03-11 23:27:15,674 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:27:15,674 WARN  L233   ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:15,674 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances.
[2024-03-11 23:27:15,693 INFO  L144    ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions.
[2024-03-11 23:27:15,694 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 145 places, 140 transitions, 371 flow
[2024-03-11 23:27:16,314 INFO  L124   PetriNetUnfolderBase]: 465/5543 cut-off events.
[2024-03-11 23:27:16,314 INFO  L125   PetriNetUnfolderBase]: For 525/525 co-relation queries the response was YES.
[2024-03-11 23:27:16,326 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. 
[2024-03-11 23:27:16,326 INFO  L82        GeneralOperation]: Start removeDead. Operand has 145 places, 140 transitions, 371 flow
[2024-03-11 23:27:16,337 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 136 places, 131 transitions, 353 flow
[2024-03-11 23:27:16,338 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:16,338 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:16,338 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:16,341 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:16,341 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:16,341 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:16,341 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:16,341 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]
[2024-03-11 23:27:16,341 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)] ===
[2024-03-11 23:27:16,342 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:16,342 INFO  L85        PathProgramCache]: Analyzing trace with hash 2084346516, now seen corresponding path program 1 times
[2024-03-11 23:27:16,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:16,342 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109914655]
[2024-03-11 23:27:16,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:16,342 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:16,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:16,461 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:16,462 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:16,462 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109914655]
[2024-03-11 23:27:16,462 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109914655] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:16,462 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:16,462 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:16,462 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144526138]
[2024-03-11 23:27:16,462 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:16,463 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:16,463 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:16,463 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:16,463 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:16,582 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 101 out of 140
[2024-03-11 23:27:16,582 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)
[2024-03-11 23:27:16,582 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:16,582 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 140
[2024-03-11 23:27:16,582 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:17,176 INFO  L124   PetriNetUnfolderBase]: 329/4003 cut-off events.
[2024-03-11 23:27:17,176 INFO  L125   PetriNetUnfolderBase]: For 1449/1449 co-relation queries the response was YES.
[2024-03-11 23:27:17,186 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. 
[2024-03-11 23:27:17,195 INFO  L140   encePairwiseOnDemand]: 122/140 looper letters, 26 selfloop transitions, 8 changer transitions 12/137 dead transitions.
[2024-03-11 23:27:17,195 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 137 transitions, 449 flow
[2024-03-11 23:27:17,196 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:17,196 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:17,196 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 656 transitions.
[2024-03-11 23:27:17,197 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.780952380952381
[2024-03-11 23:27:17,197 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 656 transitions.
[2024-03-11 23:27:17,197 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 656 transitions.
[2024-03-11 23:27:17,197 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:17,197 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 656 transitions.
[2024-03-11 23:27:17,198 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)
[2024-03-11 23:27:17,199 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)
[2024-03-11 23:27:17,199 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)
[2024-03-11 23:27:17,199 INFO  L175             Difference]: Start difference. First operand has 136 places, 131 transitions, 353 flow. Second operand 6 states and 656 transitions.
[2024-03-11 23:27:17,200 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 137 transitions, 449 flow
[2024-03-11 23:27:17,201 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 137 transitions, 449 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:17,202 INFO  L231             Difference]: Finished difference. Result has 142 places, 125 transitions, 387 flow
[2024-03-11 23:27:17,202 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}
[2024-03-11 23:27:17,202 INFO  L281   CegarLoopForPetriNet]: 136 programPoint places, 6 predicate places.
[2024-03-11 23:27:17,202 INFO  L495      AbstractCegarLoop]: Abstraction has has 142 places, 125 transitions, 387 flow
[2024-03-11 23:27:17,203 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)
[2024-03-11 23:27:17,203 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:17,203 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, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:27:17,203 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-03-11 23:27:17,203 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)] ===
[2024-03-11 23:27:17,203 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:17,203 INFO  L85        PathProgramCache]: Analyzing trace with hash -2122234985, now seen corresponding path program 1 times
[2024-03-11 23:27:17,203 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:17,203 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331015709]
[2024-03-11 23:27:17,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:17,204 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:17,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:17,258 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:17,258 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:17,258 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331015709]
[2024-03-11 23:27:17,258 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331015709] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:17,258 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:17,258 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:17,258 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631184500]
[2024-03-11 23:27:17,258 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:17,258 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:17,259 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:17,259 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:17,259 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:17,289 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 112 out of 140
[2024-03-11 23:27:17,290 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)
[2024-03-11 23:27:17,290 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:17,290 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 140
[2024-03-11 23:27:17,290 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:17,693 INFO  L124   PetriNetUnfolderBase]: 327/3093 cut-off events.
[2024-03-11 23:27:17,693 INFO  L125   PetriNetUnfolderBase]: For 1450/1450 co-relation queries the response was YES.
[2024-03-11 23:27:17,703 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. 
[2024-03-11 23:27:17,710 INFO  L140   encePairwiseOnDemand]: 134/140 looper letters, 22 selfloop transitions, 2 changer transitions 3/125 dead transitions.
[2024-03-11 23:27:17,710 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 125 transitions, 426 flow
[2024-03-11 23:27:17,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:17,711 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:17,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 700 transitions.
[2024-03-11 23:27:17,711 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8333333333333334
[2024-03-11 23:27:17,711 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 700 transitions.
[2024-03-11 23:27:17,711 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 700 transitions.
[2024-03-11 23:27:17,712 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:17,712 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 700 transitions.
[2024-03-11 23:27:17,713 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)
[2024-03-11 23:27:17,714 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)
[2024-03-11 23:27:17,714 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)
[2024-03-11 23:27:17,714 INFO  L175             Difference]: Start difference. First operand has 142 places, 125 transitions, 387 flow. Second operand 6 states and 700 transitions.
[2024-03-11 23:27:17,714 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 125 transitions, 426 flow
[2024-03-11 23:27:17,718 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 125 transitions, 418 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:17,720 INFO  L231             Difference]: Finished difference. Result has 143 places, 122 transitions, 374 flow
[2024-03-11 23:27:17,720 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}
[2024-03-11 23:27:17,721 INFO  L281   CegarLoopForPetriNet]: 136 programPoint places, 7 predicate places.
[2024-03-11 23:27:17,721 INFO  L495      AbstractCegarLoop]: Abstraction has has 143 places, 122 transitions, 374 flow
[2024-03-11 23:27:17,721 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)
[2024-03-11 23:27:17,721 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:17,721 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]
[2024-03-11 23:27:17,722 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-03-11 23:27:17,722 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)] ===
[2024-03-11 23:27:17,722 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:17,722 INFO  L85        PathProgramCache]: Analyzing trace with hash -981809025, now seen corresponding path program 1 times
[2024-03-11 23:27:17,722 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:17,722 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089347004]
[2024-03-11 23:27:17,722 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:17,723 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:17,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:17,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:27:17,875 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:17,875 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089347004]
[2024-03-11 23:27:17,875 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089347004] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:17,875 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:17,875 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:17,875 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789381815]
[2024-03-11 23:27:17,875 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:17,875 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:17,876 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:17,876 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:17,876 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:18,051 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 110 out of 140
[2024-03-11 23:27:18,051 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)
[2024-03-11 23:27:18,051 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:18,051 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 140
[2024-03-11 23:27:18,052 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:18,542 INFO  L124   PetriNetUnfolderBase]: 327/2962 cut-off events.
[2024-03-11 23:27:18,542 INFO  L125   PetriNetUnfolderBase]: For 562/562 co-relation queries the response was YES.
[2024-03-11 23:27:18,548 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. 
[2024-03-11 23:27:18,550 INFO  L140   encePairwiseOnDemand]: 134/140 looper letters, 8 selfloop transitions, 0 changer transitions 28/121 dead transitions.
[2024-03-11 23:27:18,550 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 121 transitions, 420 flow
[2024-03-11 23:27:18,550 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:18,551 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:18,551 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 685 transitions.
[2024-03-11 23:27:18,552 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8154761904761905
[2024-03-11 23:27:18,552 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 685 transitions.
[2024-03-11 23:27:18,552 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 685 transitions.
[2024-03-11 23:27:18,552 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:18,552 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 685 transitions.
[2024-03-11 23:27:18,553 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)
[2024-03-11 23:27:18,554 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)
[2024-03-11 23:27:18,554 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)
[2024-03-11 23:27:18,554 INFO  L175             Difference]: Start difference. First operand has 143 places, 122 transitions, 374 flow. Second operand 6 states and 685 transitions.
[2024-03-11 23:27:18,555 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 121 transitions, 420 flow
[2024-03-11 23:27:18,556 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 121 transitions, 412 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:27:18,557 INFO  L231             Difference]: Finished difference. Result has 140 places, 93 transitions, 285 flow
[2024-03-11 23:27:18,558 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}
[2024-03-11 23:27:18,558 INFO  L281   CegarLoopForPetriNet]: 136 programPoint places, 4 predicate places.
[2024-03-11 23:27:18,558 INFO  L495      AbstractCegarLoop]: Abstraction has has 140 places, 93 transitions, 285 flow
[2024-03-11 23:27:18,558 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)
[2024-03-11 23:27:18,558 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:18,559 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]
[2024-03-11 23:27:18,559 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-03-11 23:27:18,559 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)] ===
[2024-03-11 23:27:18,559 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:18,559 INFO  L85        PathProgramCache]: Analyzing trace with hash -93529234, now seen corresponding path program 1 times
[2024-03-11 23:27:18,559 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:18,560 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280326536]
[2024-03-11 23:27:18,560 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:18,560 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:18,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:18,598 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:18,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:18,633 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:18,633 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:18,633 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:18,633 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:18,633 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:18,633 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:18,634 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:18,634 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-03-11 23:27:18,634 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:27:18,634 WARN  L233   ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:18,634 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances.
[2024-03-11 23:27:18,656 INFO  L144    ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions.
[2024-03-11 23:27:18,658 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 154 places, 148 transitions, 408 flow
[2024-03-11 23:27:20,011 INFO  L124   PetriNetUnfolderBase]: 1043/11011 cut-off events.
[2024-03-11 23:27:20,012 INFO  L125   PetriNetUnfolderBase]: For 1136/1136 co-relation queries the response was YES.
[2024-03-11 23:27:20,042 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. 
[2024-03-11 23:27:20,042 INFO  L82        GeneralOperation]: Start removeDead. Operand has 154 places, 148 transitions, 408 flow
[2024-03-11 23:27:20,061 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 145 places, 139 transitions, 390 flow
[2024-03-11 23:27:20,062 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:20,062 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:20,062 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:20,064 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:20,064 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:20,064 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:20,064 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:20,064 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]
[2024-03-11 23:27:20,064 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)] ===
[2024-03-11 23:27:20,065 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:20,065 INFO  L85        PathProgramCache]: Analyzing trace with hash 1616762280, now seen corresponding path program 1 times
[2024-03-11 23:27:20,065 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:20,065 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868654551]
[2024-03-11 23:27:20,065 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:20,065 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:20,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:20,168 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:20,169 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:20,169 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868654551]
[2024-03-11 23:27:20,169 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868654551] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:20,169 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:20,169 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:20,169 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106363861]
[2024-03-11 23:27:20,169 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:20,169 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:20,169 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:20,170 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:20,170 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:20,285 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 107 out of 148
[2024-03-11 23:27:20,286 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)
[2024-03-11 23:27:20,286 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:20,286 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 148
[2024-03-11 23:27:20,286 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:21,385 INFO  L124   PetriNetUnfolderBase]: 778/7933 cut-off events.
[2024-03-11 23:27:21,385 INFO  L125   PetriNetUnfolderBase]: For 3220/3220 co-relation queries the response was YES.
[2024-03-11 23:27:21,404 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. 
[2024-03-11 23:27:21,416 INFO  L140   encePairwiseOnDemand]: 130/148 looper letters, 28 selfloop transitions, 8 changer transitions 12/145 dead transitions.
[2024-03-11 23:27:21,416 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 145 transitions, 490 flow
[2024-03-11 23:27:21,417 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:21,417 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:21,417 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 694 transitions.
[2024-03-11 23:27:21,418 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7815315315315315
[2024-03-11 23:27:21,418 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 694 transitions.
[2024-03-11 23:27:21,418 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 694 transitions.
[2024-03-11 23:27:21,418 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:21,418 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 694 transitions.
[2024-03-11 23:27:21,419 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)
[2024-03-11 23:27:21,420 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)
[2024-03-11 23:27:21,421 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)
[2024-03-11 23:27:21,421 INFO  L175             Difference]: Start difference. First operand has 145 places, 139 transitions, 390 flow. Second operand 6 states and 694 transitions.
[2024-03-11 23:27:21,421 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 145 transitions, 490 flow
[2024-03-11 23:27:21,423 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 145 transitions, 490 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:21,424 INFO  L231             Difference]: Finished difference. Result has 151 places, 133 transitions, 424 flow
[2024-03-11 23:27:21,425 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}
[2024-03-11 23:27:21,425 INFO  L281   CegarLoopForPetriNet]: 145 programPoint places, 6 predicate places.
[2024-03-11 23:27:21,425 INFO  L495      AbstractCegarLoop]: Abstraction has has 151 places, 133 transitions, 424 flow
[2024-03-11 23:27:21,425 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)
[2024-03-11 23:27:21,425 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:21,425 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]
[2024-03-11 23:27:21,425 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-03-11 23:27:21,425 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)] ===
[2024-03-11 23:27:21,426 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:21,426 INFO  L85        PathProgramCache]: Analyzing trace with hash -2092842217, now seen corresponding path program 1 times
[2024-03-11 23:27:21,426 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:21,426 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116010918]
[2024-03-11 23:27:21,426 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:21,426 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:21,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:21,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:21,472 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:21,472 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116010918]
[2024-03-11 23:27:21,472 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116010918] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:21,473 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:21,473 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:21,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947941441]
[2024-03-11 23:27:21,473 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:21,473 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:21,473 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:21,474 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:21,474 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:21,519 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 118 out of 148
[2024-03-11 23:27:21,519 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)
[2024-03-11 23:27:21,520 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:21,520 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 148
[2024-03-11 23:27:21,520 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:22,390 INFO  L124   PetriNetUnfolderBase]: 776/6127 cut-off events.
[2024-03-11 23:27:22,390 INFO  L125   PetriNetUnfolderBase]: For 3221/3221 co-relation queries the response was YES.
[2024-03-11 23:27:22,413 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. 
[2024-03-11 23:27:22,425 INFO  L140   encePairwiseOnDemand]: 142/148 looper letters, 24 selfloop transitions, 2 changer transitions 3/133 dead transitions.
[2024-03-11 23:27:22,426 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 133 transitions, 467 flow
[2024-03-11 23:27:22,426 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:22,426 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:22,427 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 738 transitions.
[2024-03-11 23:27:22,427 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.831081081081081
[2024-03-11 23:27:22,427 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 738 transitions.
[2024-03-11 23:27:22,427 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 738 transitions.
[2024-03-11 23:27:22,427 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:22,428 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 738 transitions.
[2024-03-11 23:27:22,428 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)
[2024-03-11 23:27:22,429 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)
[2024-03-11 23:27:22,429 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)
[2024-03-11 23:27:22,429 INFO  L175             Difference]: Start difference. First operand has 151 places, 133 transitions, 424 flow. Second operand 6 states and 738 transitions.
[2024-03-11 23:27:22,429 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 133 transitions, 467 flow
[2024-03-11 23:27:22,435 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 133 transitions, 459 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:22,436 INFO  L231             Difference]: Finished difference. Result has 152 places, 130 transitions, 411 flow
[2024-03-11 23:27:22,436 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}
[2024-03-11 23:27:22,437 INFO  L281   CegarLoopForPetriNet]: 145 programPoint places, 7 predicate places.
[2024-03-11 23:27:22,437 INFO  L495      AbstractCegarLoop]: Abstraction has has 152 places, 130 transitions, 411 flow
[2024-03-11 23:27:22,437 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)
[2024-03-11 23:27:22,437 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:22,437 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]
[2024-03-11 23:27:22,437 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-03-11 23:27:22,437 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)] ===
[2024-03-11 23:27:22,438 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:22,438 INFO  L85        PathProgramCache]: Analyzing trace with hash 2005810457, now seen corresponding path program 1 times
[2024-03-11 23:27:22,438 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:22,438 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414422593]
[2024-03-11 23:27:22,438 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:22,438 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:22,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:22,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:27:22,606 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:22,606 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414422593]
[2024-03-11 23:27:22,607 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414422593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:22,607 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:22,607 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:22,607 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553279720]
[2024-03-11 23:27:22,607 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:22,607 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:22,607 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:22,608 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:22,608 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:22,786 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 116 out of 148
[2024-03-11 23:27:22,787 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)
[2024-03-11 23:27:22,787 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:22,787 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 148
[2024-03-11 23:27:22,787 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:23,922 INFO  L124   PetriNetUnfolderBase]: 776/5868 cut-off events.
[2024-03-11 23:27:23,922 INFO  L125   PetriNetUnfolderBase]: For 1182/1182 co-relation queries the response was YES.
[2024-03-11 23:27:23,948 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. 
[2024-03-11 23:27:23,952 INFO  L140   encePairwiseOnDemand]: 142/148 looper letters, 9 selfloop transitions, 0 changer transitions 29/129 dead transitions.
[2024-03-11 23:27:23,952 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 129 transitions, 461 flow
[2024-03-11 23:27:23,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:23,953 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:23,953 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 723 transitions.
[2024-03-11 23:27:23,953 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8141891891891891
[2024-03-11 23:27:23,953 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 723 transitions.
[2024-03-11 23:27:23,954 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 723 transitions.
[2024-03-11 23:27:23,954 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:23,954 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 723 transitions.
[2024-03-11 23:27:23,955 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)
[2024-03-11 23:27:23,955 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)
[2024-03-11 23:27:23,956 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)
[2024-03-11 23:27:23,956 INFO  L175             Difference]: Start difference. First operand has 152 places, 130 transitions, 411 flow. Second operand 6 states and 723 transitions.
[2024-03-11 23:27:23,956 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 129 transitions, 461 flow
[2024-03-11 23:27:23,959 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 129 transitions, 453 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:27:23,960 INFO  L231             Difference]: Finished difference. Result has 149 places, 100 transitions, 317 flow
[2024-03-11 23:27:23,960 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}
[2024-03-11 23:27:23,960 INFO  L281   CegarLoopForPetriNet]: 145 programPoint places, 4 predicate places.
[2024-03-11 23:27:23,960 INFO  L495      AbstractCegarLoop]: Abstraction has has 149 places, 100 transitions, 317 flow
[2024-03-11 23:27:23,961 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)
[2024-03-11 23:27:23,961 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:23,961 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]
[2024-03-11 23:27:23,961 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-03-11 23:27:23,961 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)] ===
[2024-03-11 23:27:23,961 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:23,961 INFO  L85        PathProgramCache]: Analyzing trace with hash 572697199, now seen corresponding path program 1 times
[2024-03-11 23:27:23,961 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:23,961 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968896097]
[2024-03-11 23:27:23,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:23,961 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:24,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:24,008 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:24,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:24,043 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:24,043 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:24,043 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:24,044 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:24,044 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:24,044 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:24,044 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:24,044 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-03-11 23:27:24,044 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:27:24,044 WARN  L233   ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:24,044 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances.
[2024-03-11 23:27:24,068 INFO  L144    ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions.
[2024-03-11 23:27:24,069 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 163 places, 156 transitions, 447 flow
[2024-03-11 23:27:26,977 INFO  L124   PetriNetUnfolderBase]: 2325/22047 cut-off events.
[2024-03-11 23:27:26,977 INFO  L125   PetriNetUnfolderBase]: For 2460/2460 co-relation queries the response was YES.
[2024-03-11 23:27:27,029 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. 
[2024-03-11 23:27:27,029 INFO  L82        GeneralOperation]: Start removeDead. Operand has 163 places, 156 transitions, 447 flow
[2024-03-11 23:27:27,059 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 154 places, 147 transitions, 429 flow
[2024-03-11 23:27:27,060 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:27,060 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:27,060 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:27,063 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:27,063 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:27,063 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:27,063 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:27,063 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]
[2024-03-11 23:27:27,063 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)] ===
[2024-03-11 23:27:27,064 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:27,064 INFO  L85        PathProgramCache]: Analyzing trace with hash 1472143812, now seen corresponding path program 1 times
[2024-03-11 23:27:27,064 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:27,064 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017656390]
[2024-03-11 23:27:27,064 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:27,064 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:27,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:27,183 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:27,183 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:27,183 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017656390]
[2024-03-11 23:27:27,184 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017656390] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:27,184 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:27,184 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:27,184 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427108792]
[2024-03-11 23:27:27,184 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:27,184 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:27,184 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:27,185 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:27,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:27,328 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 113 out of 156
[2024-03-11 23:27:27,328 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)
[2024-03-11 23:27:27,328 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:27,329 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 156
[2024-03-11 23:27:27,329 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:30,043 INFO  L124   PetriNetUnfolderBase]: 1803/15895 cut-off events.
[2024-03-11 23:27:30,044 INFO  L125   PetriNetUnfolderBase]: For 7113/7113 co-relation queries the response was YES.
[2024-03-11 23:27:30,089 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. 
[2024-03-11 23:27:30,114 INFO  L140   encePairwiseOnDemand]: 138/156 looper letters, 30 selfloop transitions, 8 changer transitions 12/153 dead transitions.
[2024-03-11 23:27:30,114 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 153 transitions, 533 flow
[2024-03-11 23:27:30,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:30,115 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:30,116 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 732 transitions.
[2024-03-11 23:27:30,116 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.782051282051282
[2024-03-11 23:27:30,116 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 732 transitions.
[2024-03-11 23:27:30,116 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 732 transitions.
[2024-03-11 23:27:30,116 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:30,117 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 732 transitions.
[2024-03-11 23:27:30,117 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)
[2024-03-11 23:27:30,118 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)
[2024-03-11 23:27:30,118 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)
[2024-03-11 23:27:30,118 INFO  L175             Difference]: Start difference. First operand has 154 places, 147 transitions, 429 flow. Second operand 6 states and 732 transitions.
[2024-03-11 23:27:30,118 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 153 transitions, 533 flow
[2024-03-11 23:27:30,120 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 153 transitions, 533 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:30,122 INFO  L231             Difference]: Finished difference. Result has 160 places, 141 transitions, 463 flow
[2024-03-11 23:27:30,122 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}
[2024-03-11 23:27:30,122 INFO  L281   CegarLoopForPetriNet]: 154 programPoint places, 6 predicate places.
[2024-03-11 23:27:30,122 INFO  L495      AbstractCegarLoop]: Abstraction has has 160 places, 141 transitions, 463 flow
[2024-03-11 23:27:30,123 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)
[2024-03-11 23:27:30,123 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:30,123 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]
[2024-03-11 23:27:30,123 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-03-11 23:27:30,123 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)] ===
[2024-03-11 23:27:30,123 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:30,123 INFO  L85        PathProgramCache]: Analyzing trace with hash 840144279, now seen corresponding path program 1 times
[2024-03-11 23:27:30,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:30,123 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548726915]
[2024-03-11 23:27:30,123 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:30,123 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:30,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:30,165 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:30,165 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:30,165 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548726915]
[2024-03-11 23:27:30,165 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548726915] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:30,165 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:30,165 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:30,165 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79717371]
[2024-03-11 23:27:30,165 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:30,166 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:30,166 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:30,166 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:30,166 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:30,240 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 124 out of 156
[2024-03-11 23:27:30,241 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)
[2024-03-11 23:27:30,241 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:30,241 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 156
[2024-03-11 23:27:30,241 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:32,225 INFO  L124   PetriNetUnfolderBase]: 1801/12297 cut-off events.
[2024-03-11 23:27:32,225 INFO  L125   PetriNetUnfolderBase]: For 7114/7114 co-relation queries the response was YES.
[2024-03-11 23:27:32,260 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. 
[2024-03-11 23:27:32,282 INFO  L140   encePairwiseOnDemand]: 150/156 looper letters, 26 selfloop transitions, 2 changer transitions 3/141 dead transitions.
[2024-03-11 23:27:32,282 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 141 transitions, 510 flow
[2024-03-11 23:27:32,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:32,283 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:32,284 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 776 transitions.
[2024-03-11 23:27:32,284 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8290598290598291
[2024-03-11 23:27:32,284 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 776 transitions.
[2024-03-11 23:27:32,284 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 776 transitions.
[2024-03-11 23:27:32,284 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:32,284 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 776 transitions.
[2024-03-11 23:27:32,285 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)
[2024-03-11 23:27:32,286 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)
[2024-03-11 23:27:32,286 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)
[2024-03-11 23:27:32,286 INFO  L175             Difference]: Start difference. First operand has 160 places, 141 transitions, 463 flow. Second operand 6 states and 776 transitions.
[2024-03-11 23:27:32,286 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 141 transitions, 510 flow
[2024-03-11 23:27:32,293 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 141 transitions, 502 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:32,294 INFO  L231             Difference]: Finished difference. Result has 161 places, 138 transitions, 450 flow
[2024-03-11 23:27:32,295 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}
[2024-03-11 23:27:32,295 INFO  L281   CegarLoopForPetriNet]: 154 programPoint places, 7 predicate places.
[2024-03-11 23:27:32,295 INFO  L495      AbstractCegarLoop]: Abstraction has has 161 places, 138 transitions, 450 flow
[2024-03-11 23:27:32,295 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)
[2024-03-11 23:27:32,295 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:32,295 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]
[2024-03-11 23:27:32,295 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-03-11 23:27:32,296 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)] ===
[2024-03-11 23:27:32,296 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:32,296 INFO  L85        PathProgramCache]: Analyzing trace with hash 1849210555, now seen corresponding path program 1 times
[2024-03-11 23:27:32,296 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:32,296 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477318153]
[2024-03-11 23:27:32,296 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:32,296 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:32,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:32,446 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:27:32,446 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:32,446 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477318153]
[2024-03-11 23:27:32,446 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477318153] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:32,446 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:32,446 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:32,446 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835175407]
[2024-03-11 23:27:32,446 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:32,447 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:32,447 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:32,447 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:32,447 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:32,654 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 122 out of 156
[2024-03-11 23:27:32,655 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)
[2024-03-11 23:27:32,655 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:32,655 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 156
[2024-03-11 23:27:32,655 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:34,970 INFO  L124   PetriNetUnfolderBase]: 1801/11782 cut-off events.
[2024-03-11 23:27:34,971 INFO  L125   PetriNetUnfolderBase]: For 2516/2516 co-relation queries the response was YES.
[2024-03-11 23:27:35,024 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. 
[2024-03-11 23:27:35,029 INFO  L140   encePairwiseOnDemand]: 150/156 looper letters, 10 selfloop transitions, 0 changer transitions 30/137 dead transitions.
[2024-03-11 23:27:35,029 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 137 transitions, 504 flow
[2024-03-11 23:27:35,030 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:35,030 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:35,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 761 transitions.
[2024-03-11 23:27:35,031 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.813034188034188
[2024-03-11 23:27:35,031 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 761 transitions.
[2024-03-11 23:27:35,031 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 761 transitions.
[2024-03-11 23:27:35,031 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:35,031 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 761 transitions.
[2024-03-11 23:27:35,032 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)
[2024-03-11 23:27:35,033 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)
[2024-03-11 23:27:35,033 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)
[2024-03-11 23:27:35,033 INFO  L175             Difference]: Start difference. First operand has 161 places, 138 transitions, 450 flow. Second operand 6 states and 761 transitions.
[2024-03-11 23:27:35,033 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 137 transitions, 504 flow
[2024-03-11 23:27:35,038 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 137 transitions, 496 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:27:35,039 INFO  L231             Difference]: Finished difference. Result has 158 places, 107 transitions, 351 flow
[2024-03-11 23:27:35,039 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}
[2024-03-11 23:27:35,040 INFO  L281   CegarLoopForPetriNet]: 154 programPoint places, 4 predicate places.
[2024-03-11 23:27:35,040 INFO  L495      AbstractCegarLoop]: Abstraction has has 158 places, 107 transitions, 351 flow
[2024-03-11 23:27:35,040 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)
[2024-03-11 23:27:35,040 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:35,040 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]
[2024-03-11 23:27:35,041 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-03-11 23:27:35,041 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)] ===
[2024-03-11 23:27:35,041 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:35,041 INFO  L85        PathProgramCache]: Analyzing trace with hash 562505197, now seen corresponding path program 1 times
[2024-03-11 23:27:35,041 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:35,041 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445247081]
[2024-03-11 23:27:35,041 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:35,041 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:35,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:35,096 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:35,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:35,146 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:35,146 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:35,147 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:35,147 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:35,147 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:35,147 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:35,147 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:35,147 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-03-11 23:27:35,148 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:27:35,148 WARN  L233   ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:35,148 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances.
[2024-03-11 23:27:35,175 INFO  L144    ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions.
[2024-03-11 23:27:35,176 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 172 places, 164 transitions, 488 flow
[2024-03-11 23:27:41,889 INFO  L124   PetriNetUnfolderBase]: 5143/44347 cut-off events.
[2024-03-11 23:27:41,889 INFO  L125   PetriNetUnfolderBase]: For 5330/5330 co-relation queries the response was YES.
[2024-03-11 23:27:42,032 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. 
[2024-03-11 23:27:42,032 INFO  L82        GeneralOperation]: Start removeDead. Operand has 172 places, 164 transitions, 488 flow
[2024-03-11 23:27:42,106 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 163 places, 155 transitions, 470 flow
[2024-03-11 23:27:42,107 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:27:42,107 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:27:42,107 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:27:42,110 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:27:42,110 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:27:42,110 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:27:42,110 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:42,110 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]
[2024-03-11 23:27:42,110 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)] ===
[2024-03-11 23:27:42,110 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:42,110 INFO  L85        PathProgramCache]: Analyzing trace with hash 1650491112, now seen corresponding path program 1 times
[2024-03-11 23:27:42,110 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:42,110 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685977488]
[2024-03-11 23:27:42,110 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:42,111 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:42,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:42,228 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:42,228 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:42,228 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685977488]
[2024-03-11 23:27:42,228 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685977488] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:42,228 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:42,228 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:42,228 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788178638]
[2024-03-11 23:27:42,228 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:42,229 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:42,229 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:42,229 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:42,229 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:42,359 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 119 out of 164
[2024-03-11 23:27:42,360 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)
[2024-03-11 23:27:42,360 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:42,360 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 164
[2024-03-11 23:27:42,360 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:47,934 INFO  L124   PetriNetUnfolderBase]: 4108/32049 cut-off events.
[2024-03-11 23:27:47,934 INFO  L125   PetriNetUnfolderBase]: For 15625/15625 co-relation queries the response was YES.
[2024-03-11 23:27:48,025 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. 
[2024-03-11 23:27:48,083 INFO  L140   encePairwiseOnDemand]: 146/164 looper letters, 32 selfloop transitions, 8 changer transitions 12/161 dead transitions.
[2024-03-11 23:27:48,083 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 578 flow
[2024-03-11 23:27:48,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:48,084 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:48,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 770 transitions.
[2024-03-11 23:27:48,085 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.782520325203252
[2024-03-11 23:27:48,085 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 770 transitions.
[2024-03-11 23:27:48,085 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 770 transitions.
[2024-03-11 23:27:48,085 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:48,085 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 770 transitions.
[2024-03-11 23:27:48,086 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)
[2024-03-11 23:27:48,087 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)
[2024-03-11 23:27:48,087 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)
[2024-03-11 23:27:48,087 INFO  L175             Difference]: Start difference. First operand has 163 places, 155 transitions, 470 flow. Second operand 6 states and 770 transitions.
[2024-03-11 23:27:48,087 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 578 flow
[2024-03-11 23:27:48,092 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 161 transitions, 578 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:48,093 INFO  L231             Difference]: Finished difference. Result has 169 places, 149 transitions, 504 flow
[2024-03-11 23:27:48,093 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}
[2024-03-11 23:27:48,094 INFO  L281   CegarLoopForPetriNet]: 163 programPoint places, 6 predicate places.
[2024-03-11 23:27:48,094 INFO  L495      AbstractCegarLoop]: Abstraction has has 169 places, 149 transitions, 504 flow
[2024-03-11 23:27:48,094 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)
[2024-03-11 23:27:48,094 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:48,094 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]
[2024-03-11 23:27:48,094 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-03-11 23:27:48,094 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)] ===
[2024-03-11 23:27:48,095 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:48,095 INFO  L85        PathProgramCache]: Analyzing trace with hash -1913210089, now seen corresponding path program 1 times
[2024-03-11 23:27:48,095 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:48,095 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824200678]
[2024-03-11 23:27:48,095 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:48,095 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:48,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:48,147 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:27:48,147 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:48,147 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824200678]
[2024-03-11 23:27:48,147 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824200678] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:48,147 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:48,147 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:48,147 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035469746]
[2024-03-11 23:27:48,147 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:48,148 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:27:48,148 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:48,148 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:27:48,148 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:27:48,214 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 130 out of 164
[2024-03-11 23:27:48,215 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)
[2024-03-11 23:27:48,215 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:48,215 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 164
[2024-03-11 23:27:48,215 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:52,805 INFO  L124   PetriNetUnfolderBase]: 4106/24867 cut-off events.
[2024-03-11 23:27:52,805 INFO  L125   PetriNetUnfolderBase]: For 15626/15626 co-relation queries the response was YES.
[2024-03-11 23:27:52,916 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. 
[2024-03-11 23:27:52,976 INFO  L140   encePairwiseOnDemand]: 158/164 looper letters, 28 selfloop transitions, 2 changer transitions 3/149 dead transitions.
[2024-03-11 23:27:52,976 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 149 transitions, 555 flow
[2024-03-11 23:27:52,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:52,977 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:52,977 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 814 transitions.
[2024-03-11 23:27:52,977 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8272357723577236
[2024-03-11 23:27:52,977 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 814 transitions.
[2024-03-11 23:27:52,977 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 814 transitions.
[2024-03-11 23:27:52,978 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:52,978 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 814 transitions.
[2024-03-11 23:27:52,978 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)
[2024-03-11 23:27:52,979 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)
[2024-03-11 23:27:52,979 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)
[2024-03-11 23:27:52,979 INFO  L175             Difference]: Start difference. First operand has 169 places, 149 transitions, 504 flow. Second operand 6 states and 814 transitions.
[2024-03-11 23:27:52,979 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 149 transitions, 555 flow
[2024-03-11 23:27:52,999 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 149 transitions, 547 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:27:53,000 INFO  L231             Difference]: Finished difference. Result has 170 places, 146 transitions, 491 flow
[2024-03-11 23:27:53,000 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}
[2024-03-11 23:27:53,001 INFO  L281   CegarLoopForPetriNet]: 163 programPoint places, 7 predicate places.
[2024-03-11 23:27:53,001 INFO  L495      AbstractCegarLoop]: Abstraction has has 170 places, 146 transitions, 491 flow
[2024-03-11 23:27:53,001 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)
[2024-03-11 23:27:53,001 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:53,001 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]
[2024-03-11 23:27:53,001 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-03-11 23:27:53,001 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)] ===
[2024-03-11 23:27:53,002 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:53,002 INFO  L85        PathProgramCache]: Analyzing trace with hash -1451608731, now seen corresponding path program 1 times
[2024-03-11 23:27:53,002 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:53,002 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364766874]
[2024-03-11 23:27:53,002 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:53,002 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:53,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:27:53,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:27:53,264 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:27:53,264 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364766874]
[2024-03-11 23:27:53,264 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364766874] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:27:53,264 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:27:53,264 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:27:53,264 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931419291]
[2024-03-11 23:27:53,264 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:27:53,264 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:27:53,264 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:27:53,265 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:27:53,265 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:27:53,438 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 128 out of 164
[2024-03-11 23:27:53,439 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)
[2024-03-11 23:27:53,439 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:27:53,439 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 164
[2024-03-11 23:27:53,439 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:27:58,191 INFO  L124   PetriNetUnfolderBase]: 4106/23840 cut-off events.
[2024-03-11 23:27:58,191 INFO  L125   PetriNetUnfolderBase]: For 5397/5397 co-relation queries the response was YES.
[2024-03-11 23:27:58,275 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. 
[2024-03-11 23:27:58,282 INFO  L140   encePairwiseOnDemand]: 158/164 looper letters, 11 selfloop transitions, 0 changer transitions 31/145 dead transitions.
[2024-03-11 23:27:58,283 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 145 transitions, 549 flow
[2024-03-11 23:27:58,284 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:27:58,284 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:27:58,284 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 799 transitions.
[2024-03-11 23:27:58,285 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8119918699186992
[2024-03-11 23:27:58,285 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 799 transitions.
[2024-03-11 23:27:58,285 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 799 transitions.
[2024-03-11 23:27:58,285 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:27:58,285 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 799 transitions.
[2024-03-11 23:27:58,286 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)
[2024-03-11 23:27:58,287 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)
[2024-03-11 23:27:58,287 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)
[2024-03-11 23:27:58,287 INFO  L175             Difference]: Start difference. First operand has 170 places, 146 transitions, 491 flow. Second operand 6 states and 799 transitions.
[2024-03-11 23:27:58,287 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 145 transitions, 549 flow
[2024-03-11 23:27:58,296 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 145 transitions, 541 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:27:58,297 INFO  L231             Difference]: Finished difference. Result has 167 places, 114 transitions, 387 flow
[2024-03-11 23:27:58,297 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}
[2024-03-11 23:27:58,298 INFO  L281   CegarLoopForPetriNet]: 163 programPoint places, 4 predicate places.
[2024-03-11 23:27:58,298 INFO  L495      AbstractCegarLoop]: Abstraction has has 167 places, 114 transitions, 387 flow
[2024-03-11 23:27:58,298 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)
[2024-03-11 23:27:58,298 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:27:58,298 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]
[2024-03-11 23:27:58,298 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-03-11 23:27:58,299 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)] ===
[2024-03-11 23:27:58,299 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:27:58,299 INFO  L85        PathProgramCache]: Analyzing trace with hash 1838742042, now seen corresponding path program 1 times
[2024-03-11 23:27:58,299 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:27:58,299 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816079547]
[2024-03-11 23:27:58,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:27:58,299 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:27:58,354 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:58,354 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:27:58,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:27:58,404 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:27:58,405 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:27:58,405 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:27:58,405 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:27:58,405 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:27:58,405 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:27:58,405 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:27:58,405 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-03-11 23:27:58,405 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:27:58,406 WARN  L233   ceAbstractionStarter]: 10 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:27:58,406 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 11 thread instances.
[2024-03-11 23:27:58,429 INFO  L144    ThreadInstanceAdder]: Constructed 11 joinOtherThreadTransitions.
[2024-03-11 23:27:58,431 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 181 places, 172 transitions, 531 flow
[2024-03-11 23:28:12,874 INFO  L124   PetriNetUnfolderBase]: 11289/89431 cut-off events.
[2024-03-11 23:28:12,874 INFO  L125   PetriNetUnfolderBase]: For 11539/11539 co-relation queries the response was YES.
[2024-03-11 23:28:13,464 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. 
[2024-03-11 23:28:13,465 INFO  L82        GeneralOperation]: Start removeDead. Operand has 181 places, 172 transitions, 531 flow
[2024-03-11 23:28:13,781 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 172 places, 163 transitions, 513 flow
[2024-03-11 23:28:13,782 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:28:13,782 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:28:13,782 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:28:13,784 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:28:13,784 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:28:13,784 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:28:13,784 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:28:13,784 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]
[2024-03-11 23:28:13,784 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)] ===
[2024-03-11 23:28:13,784 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:28:13,784 INFO  L85        PathProgramCache]: Analyzing trace with hash -2143163116, now seen corresponding path program 1 times
[2024-03-11 23:28:13,785 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:28:13,785 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912780396]
[2024-03-11 23:28:13,785 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:28:13,785 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:28:13,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:28:13,885 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:28:13,885 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:28:13,885 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912780396]
[2024-03-11 23:28:13,885 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912780396] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:28:13,885 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:28:13,885 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:28:13,886 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885630624]
[2024-03-11 23:28:13,886 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:28:13,886 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:28:13,886 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:28:13,886 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:28:13,886 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:28:14,046 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 125 out of 172
[2024-03-11 23:28:14,047 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)
[2024-03-11 23:28:14,047 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:28:14,047 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 172
[2024-03-11 23:28:14,047 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:28:26,573 INFO  L124   PetriNetUnfolderBase]: 9229/64843 cut-off events.
[2024-03-11 23:28:26,573 INFO  L125   PetriNetUnfolderBase]: For 34133/34133 co-relation queries the response was YES.
[2024-03-11 23:28:27,034 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. 
[2024-03-11 23:28:27,180 INFO  L140   encePairwiseOnDemand]: 154/172 looper letters, 34 selfloop transitions, 8 changer transitions 12/169 dead transitions.
[2024-03-11 23:28:27,180 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 625 flow
[2024-03-11 23:28:27,181 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:28:27,181 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:28:27,182 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 808 transitions.
[2024-03-11 23:28:27,182 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7829457364341085
[2024-03-11 23:28:27,182 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 808 transitions.
[2024-03-11 23:28:27,182 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 808 transitions.
[2024-03-11 23:28:27,182 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:28:27,182 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 808 transitions.
[2024-03-11 23:28:27,183 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)
[2024-03-11 23:28:27,184 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)
[2024-03-11 23:28:27,184 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)
[2024-03-11 23:28:27,184 INFO  L175             Difference]: Start difference. First operand has 172 places, 163 transitions, 513 flow. Second operand 6 states and 808 transitions.
[2024-03-11 23:28:27,184 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 625 flow
[2024-03-11 23:28:27,189 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 169 transitions, 625 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:28:27,190 INFO  L231             Difference]: Finished difference. Result has 178 places, 157 transitions, 547 flow
[2024-03-11 23:28:27,190 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}
[2024-03-11 23:28:27,191 INFO  L281   CegarLoopForPetriNet]: 172 programPoint places, 6 predicate places.
[2024-03-11 23:28:27,191 INFO  L495      AbstractCegarLoop]: Abstraction has has 178 places, 157 transitions, 547 flow
[2024-03-11 23:28:27,191 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)
[2024-03-11 23:28:27,191 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:28:27,191 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]
[2024-03-11 23:28:27,191 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-03-11 23:28:27,191 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)] ===
[2024-03-11 23:28:27,191 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:28:27,192 INFO  L85        PathProgramCache]: Analyzing trace with hash -1762970729, now seen corresponding path program 1 times
[2024-03-11 23:28:27,192 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:28:27,192 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175821735]
[2024-03-11 23:28:27,192 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:28:27,192 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:28:27,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:28:27,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:28:27,234 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:28:27,234 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175821735]
[2024-03-11 23:28:27,234 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175821735] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:28:27,234 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:28:27,234 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:28:27,234 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661722139]
[2024-03-11 23:28:27,234 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:28:27,234 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:28:27,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:28:27,235 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:28:27,235 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:28:27,308 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 136 out of 172
[2024-03-11 23:28:27,309 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)
[2024-03-11 23:28:27,309 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:28:27,309 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 172
[2024-03-11 23:28:27,309 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:28:37,361 INFO  L124   PetriNetUnfolderBase]: 9227/50493 cut-off events.
[2024-03-11 23:28:37,361 INFO  L125   PetriNetUnfolderBase]: For 34134/34134 co-relation queries the response was YES.
[2024-03-11 23:28:37,631 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. 
[2024-03-11 23:28:37,768 INFO  L140   encePairwiseOnDemand]: 166/172 looper letters, 30 selfloop transitions, 2 changer transitions 3/157 dead transitions.
[2024-03-11 23:28:37,768 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 157 transitions, 602 flow
[2024-03-11 23:28:37,769 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:28:37,769 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:28:37,769 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 852 transitions.
[2024-03-11 23:28:37,770 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8255813953488372
[2024-03-11 23:28:37,770 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 852 transitions.
[2024-03-11 23:28:37,770 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 852 transitions.
[2024-03-11 23:28:37,770 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:28:37,770 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 852 transitions.
[2024-03-11 23:28:37,771 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)
[2024-03-11 23:28:37,772 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)
[2024-03-11 23:28:37,772 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)
[2024-03-11 23:28:37,772 INFO  L175             Difference]: Start difference. First operand has 178 places, 157 transitions, 547 flow. Second operand 6 states and 852 transitions.
[2024-03-11 23:28:37,772 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 157 transitions, 602 flow
[2024-03-11 23:28:37,810 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 157 transitions, 594 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:28:37,812 INFO  L231             Difference]: Finished difference. Result has 179 places, 154 transitions, 534 flow
[2024-03-11 23:28:37,812 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}
[2024-03-11 23:28:37,812 INFO  L281   CegarLoopForPetriNet]: 172 programPoint places, 7 predicate places.
[2024-03-11 23:28:37,812 INFO  L495      AbstractCegarLoop]: Abstraction has has 179 places, 154 transitions, 534 flow
[2024-03-11 23:28:37,812 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)
[2024-03-11 23:28:37,812 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:28:37,812 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]
[2024-03-11 23:28:37,813 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-03-11 23:28:37,813 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)] ===
[2024-03-11 23:28:37,813 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:28:37,813 INFO  L85        PathProgramCache]: Analyzing trace with hash 693287191, now seen corresponding path program 1 times
[2024-03-11 23:28:37,813 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:28:37,813 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805088473]
[2024-03-11 23:28:37,813 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:28:37,813 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:28:37,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:28:37,969 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:28:37,969 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:28:37,969 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805088473]
[2024-03-11 23:28:37,969 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805088473] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:28:37,969 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:28:37,970 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:28:37,970 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098493256]
[2024-03-11 23:28:37,970 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:28:37,970 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:28:37,970 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:28:37,970 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:28:37,970 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:28:38,142 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 134 out of 172
[2024-03-11 23:28:38,143 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)
[2024-03-11 23:28:38,143 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:28:38,143 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 172
[2024-03-11 23:28:38,143 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:28:48,282 INFO  L124   PetriNetUnfolderBase]: 9227/48442 cut-off events.
[2024-03-11 23:28:48,282 INFO  L125   PetriNetUnfolderBase]: For 11618/11618 co-relation queries the response was YES.
[2024-03-11 23:28:48,542 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. 
[2024-03-11 23:28:48,560 INFO  L140   encePairwiseOnDemand]: 166/172 looper letters, 12 selfloop transitions, 0 changer transitions 32/153 dead transitions.
[2024-03-11 23:28:48,560 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 153 transitions, 596 flow
[2024-03-11 23:28:48,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:28:48,561 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:28:48,561 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 837 transitions.
[2024-03-11 23:28:48,562 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.811046511627907
[2024-03-11 23:28:48,562 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 837 transitions.
[2024-03-11 23:28:48,562 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 837 transitions.
[2024-03-11 23:28:48,562 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:28:48,562 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 837 transitions.
[2024-03-11 23:28:48,563 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)
[2024-03-11 23:28:48,564 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)
[2024-03-11 23:28:48,564 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)
[2024-03-11 23:28:48,564 INFO  L175             Difference]: Start difference. First operand has 179 places, 154 transitions, 534 flow. Second operand 6 states and 837 transitions.
[2024-03-11 23:28:48,564 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 153 transitions, 596 flow
[2024-03-11 23:28:48,574 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 153 transitions, 588 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:28:48,575 INFO  L231             Difference]: Finished difference. Result has 176 places, 121 transitions, 425 flow
[2024-03-11 23:28:48,575 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}
[2024-03-11 23:28:48,576 INFO  L281   CegarLoopForPetriNet]: 172 programPoint places, 4 predicate places.
[2024-03-11 23:28:48,576 INFO  L495      AbstractCegarLoop]: Abstraction has has 176 places, 121 transitions, 425 flow
[2024-03-11 23:28:48,576 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)
[2024-03-11 23:28:48,576 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:28:48,576 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]
[2024-03-11 23:28:48,576 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-03-11 23:28:48,576 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)] ===
[2024-03-11 23:28:48,576 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:28:48,577 INFO  L85        PathProgramCache]: Analyzing trace with hash -1444353172, now seen corresponding path program 1 times
[2024-03-11 23:28:48,577 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:28:48,577 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854598432]
[2024-03-11 23:28:48,577 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:28:48,577 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:28:48,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:28:48,637 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:28:48,665 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:28:48,692 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:28:48,692 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:28:48,692 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:28:48,692 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:28:48,692 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:28:48,692 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:28:48,692 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:28:48,692 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-03-11 23:28:48,692 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:28:48,693 WARN  L233   ceAbstractionStarter]: 11 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:28:48,693 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 12 thread instances.
[2024-03-11 23:28:48,719 INFO  L144    ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions.
[2024-03-11 23:28:48,721 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 190 places, 180 transitions, 576 flow
[2024-03-11 23:29:20,670 INFO  L124   PetriNetUnfolderBase]: 24603/180595 cut-off events.
[2024-03-11 23:29:20,670 INFO  L125   PetriNetUnfolderBase]: For 24928/24928 co-relation queries the response was YES.
[2024-03-11 23:29:22,060 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. 
[2024-03-11 23:29:22,061 INFO  L82        GeneralOperation]: Start removeDead. Operand has 190 places, 180 transitions, 576 flow
[2024-03-11 23:29:22,404 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 181 places, 171 transitions, 558 flow
[2024-03-11 23:29:22,405 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:29:22,405 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:29:22,405 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:29:22,407 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:29:22,407 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:29:22,407 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:29:22,407 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:29:22,407 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]
[2024-03-11 23:29:22,407 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)] ===
[2024-03-11 23:29:22,408 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:29:22,408 INFO  L85        PathProgramCache]: Analyzing trace with hash -1318884280, now seen corresponding path program 1 times
[2024-03-11 23:29:22,408 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:29:22,408 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251887104]
[2024-03-11 23:29:22,408 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:29:22,408 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:29:22,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:29:22,518 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:29:22,518 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:29:22,518 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251887104]
[2024-03-11 23:29:22,518 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251887104] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:29:22,518 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:29:22,519 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:29:22,519 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741888280]
[2024-03-11 23:29:22,519 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:29:22,519 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:29:22,519 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:29:22,520 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:29:22,520 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:29:22,667 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 131 out of 180
[2024-03-11 23:29:22,668 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)
[2024-03-11 23:29:22,668 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:29:22,668 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 180
[2024-03-11 23:29:22,668 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:29:50,385 INFO  L124   PetriNetUnfolderBase]: 20494/131429 cut-off events.
[2024-03-11 23:29:50,385 INFO  L125   PetriNetUnfolderBase]: For 74158/74158 co-relation queries the response was YES.
[2024-03-11 23:29:51,386 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. 
[2024-03-11 23:29:51,695 INFO  L140   encePairwiseOnDemand]: 162/180 looper letters, 36 selfloop transitions, 8 changer transitions 12/177 dead transitions.
[2024-03-11 23:29:51,695 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 177 transitions, 674 flow
[2024-03-11 23:29:51,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:29:51,696 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:29:51,697 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 846 transitions.
[2024-03-11 23:29:51,697 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7833333333333333
[2024-03-11 23:29:51,697 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 846 transitions.
[2024-03-11 23:29:51,697 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 846 transitions.
[2024-03-11 23:29:51,697 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:29:51,697 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 846 transitions.
[2024-03-11 23:29:51,698 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)
[2024-03-11 23:29:51,699 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)
[2024-03-11 23:29:51,699 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)
[2024-03-11 23:29:51,699 INFO  L175             Difference]: Start difference. First operand has 181 places, 171 transitions, 558 flow. Second operand 6 states and 846 transitions.
[2024-03-11 23:29:51,699 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 177 transitions, 674 flow
[2024-03-11 23:29:51,711 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 177 transitions, 674 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:29:51,713 INFO  L231             Difference]: Finished difference. Result has 187 places, 165 transitions, 592 flow
[2024-03-11 23:29:51,713 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}
[2024-03-11 23:29:51,713 INFO  L281   CegarLoopForPetriNet]: 181 programPoint places, 6 predicate places.
[2024-03-11 23:29:51,713 INFO  L495      AbstractCegarLoop]: Abstraction has has 187 places, 165 transitions, 592 flow
[2024-03-11 23:29:51,714 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)
[2024-03-11 23:29:51,714 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:29:51,714 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]
[2024-03-11 23:29:51,714 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-03-11 23:29:51,714 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)] ===
[2024-03-11 23:29:51,714 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:29:51,714 INFO  L85        PathProgramCache]: Analyzing trace with hash 1290862359, now seen corresponding path program 1 times
[2024-03-11 23:29:51,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:29:51,714 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904482227]
[2024-03-11 23:29:51,714 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:29:51,715 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:29:51,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:29:51,758 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:29:51,758 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:29:51,758 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904482227]
[2024-03-11 23:29:51,758 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904482227] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:29:51,759 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:29:51,759 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:29:51,759 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66382714]
[2024-03-11 23:29:51,759 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:29:51,759 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:29:51,759 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:29:51,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:29:51,760 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:29:51,807 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 142 out of 180
[2024-03-11 23:29:51,808 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)
[2024-03-11 23:29:51,808 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:29:51,808 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 180
[2024-03-11 23:29:51,808 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:30:13,614 INFO  L124   PetriNetUnfolderBase]: 20492/102743 cut-off events.
[2024-03-11 23:30:13,615 INFO  L125   PetriNetUnfolderBase]: For 74159/74159 co-relation queries the response was YES.
[2024-03-11 23:30:14,539 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. 
[2024-03-11 23:30:14,852 INFO  L140   encePairwiseOnDemand]: 174/180 looper letters, 32 selfloop transitions, 2 changer transitions 3/165 dead transitions.
[2024-03-11 23:30:14,852 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 165 transitions, 651 flow
[2024-03-11 23:30:14,853 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:30:14,853 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:30:14,854 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 890 transitions.
[2024-03-11 23:30:14,854 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8240740740740741
[2024-03-11 23:30:14,854 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 890 transitions.
[2024-03-11 23:30:14,854 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 890 transitions.
[2024-03-11 23:30:14,854 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:30:14,855 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 890 transitions.
[2024-03-11 23:30:14,855 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)
[2024-03-11 23:30:14,856 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)
[2024-03-11 23:30:14,856 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)
[2024-03-11 23:30:14,857 INFO  L175             Difference]: Start difference. First operand has 187 places, 165 transitions, 592 flow. Second operand 6 states and 890 transitions.
[2024-03-11 23:30:14,857 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 165 transitions, 651 flow
[2024-03-11 23:30:14,976 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 165 transitions, 643 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:30:14,977 INFO  L231             Difference]: Finished difference. Result has 188 places, 162 transitions, 579 flow
[2024-03-11 23:30:14,977 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}
[2024-03-11 23:30:14,978 INFO  L281   CegarLoopForPetriNet]: 181 programPoint places, 7 predicate places.
[2024-03-11 23:30:14,978 INFO  L495      AbstractCegarLoop]: Abstraction has has 188 places, 162 transitions, 579 flow
[2024-03-11 23:30:14,978 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)
[2024-03-11 23:30:14,978 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:30:14,978 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]
[2024-03-11 23:30:14,978 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-03-11 23:30:14,979 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)] ===
[2024-03-11 23:30:14,979 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:30:14,979 INFO  L85        PathProgramCache]: Analyzing trace with hash -306036271, now seen corresponding path program 1 times
[2024-03-11 23:30:14,979 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:30:14,979 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599904077]
[2024-03-11 23:30:14,979 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:30:14,979 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:30:14,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:30:15,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:30:15,121 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:30:15,121 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599904077]
[2024-03-11 23:30:15,121 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599904077] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:30:15,122 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:30:15,122 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:30:15,122 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923770881]
[2024-03-11 23:30:15,122 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:30:15,122 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:30:15,122 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:30:15,123 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:30:15,123 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:30:15,290 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 140 out of 180
[2024-03-11 23:30:15,291 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)
[2024-03-11 23:30:15,291 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:30:15,291 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 180
[2024-03-11 23:30:15,291 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:30:37,624 INFO  L124   PetriNetUnfolderBase]: 20492/98644 cut-off events.
[2024-03-11 23:30:37,624 INFO  L125   PetriNetUnfolderBase]: For 25020/25020 co-relation queries the response was YES.
[2024-03-11 23:30:38,501 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. 
[2024-03-11 23:30:38,544 INFO  L140   encePairwiseOnDemand]: 174/180 looper letters, 13 selfloop transitions, 0 changer transitions 33/161 dead transitions.
[2024-03-11 23:30:38,544 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 161 transitions, 645 flow
[2024-03-11 23:30:38,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:30:38,545 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:30:38,546 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 875 transitions.
[2024-03-11 23:30:38,546 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8101851851851852
[2024-03-11 23:30:38,546 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 875 transitions.
[2024-03-11 23:30:38,546 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 875 transitions.
[2024-03-11 23:30:38,546 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:30:38,547 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 875 transitions.
[2024-03-11 23:30:38,547 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)
[2024-03-11 23:30:38,548 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)
[2024-03-11 23:30:38,549 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)
[2024-03-11 23:30:38,549 INFO  L175             Difference]: Start difference. First operand has 188 places, 162 transitions, 579 flow. Second operand 6 states and 875 transitions.
[2024-03-11 23:30:38,549 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 161 transitions, 645 flow
[2024-03-11 23:30:38,575 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 161 transitions, 637 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:30:38,577 INFO  L231             Difference]: Finished difference. Result has 185 places, 128 transitions, 465 flow
[2024-03-11 23:30:38,577 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}
[2024-03-11 23:30:38,578 INFO  L281   CegarLoopForPetriNet]: 181 programPoint places, 4 predicate places.
[2024-03-11 23:30:38,578 INFO  L495      AbstractCegarLoop]: Abstraction has has 185 places, 128 transitions, 465 flow
[2024-03-11 23:30:38,578 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)
[2024-03-11 23:30:38,578 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:30:38,578 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]
[2024-03-11 23:30:38,578 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-03-11 23:30:38,579 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)] ===
[2024-03-11 23:30:38,579 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:30:38,579 INFO  L85        PathProgramCache]: Analyzing trace with hash -1979049243, now seen corresponding path program 1 times
[2024-03-11 23:30:38,579 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:30:38,579 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36541874]
[2024-03-11 23:30:38,579 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:30:38,580 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:30:38,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:30:38,645 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:30:38,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:30:38,701 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:30:38,701 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:30:38,701 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:30:38,702 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:30:38,702 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:30:38,702 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:30:38,702 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:30:38,702 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-03-11 23:30:38,702 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:30:38,703 WARN  L233   ceAbstractionStarter]: 12 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:30:38,703 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 13 thread instances.
[2024-03-11 23:30:38,740 INFO  L144    ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions.
[2024-03-11 23:30:38,742 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 199 places, 188 transitions, 623 flow
[2024-03-11 23:31:55,352 INFO  L124   PetriNetUnfolderBase]: 53277/364943 cut-off events.
[2024-03-11 23:31:55,353 INFO  L125   PetriNetUnfolderBase]: For 53690/53690 co-relation queries the response was YES.
[2024-03-11 23:31:58,599 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. 
[2024-03-11 23:31:58,599 INFO  L82        GeneralOperation]: Start removeDead. Operand has 199 places, 188 transitions, 623 flow
[2024-03-11 23:31:59,562 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 190 places, 179 transitions, 605 flow
[2024-03-11 23:31:59,563 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:31:59,563 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;@7b037173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-03-11 23:31:59,563 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-03-11 23:31:59,565 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-03-11 23:31:59,566 INFO  L124   PetriNetUnfolderBase]: 3/47 cut-off events.
[2024-03-11 23:31:59,566 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:31:59,566 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:31:59,566 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]
[2024-03-11 23:31:59,566 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)] ===
[2024-03-11 23:31:59,566 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:31:59,566 INFO  L85        PathProgramCache]: Analyzing trace with hash -171639676, now seen corresponding path program 1 times
[2024-03-11 23:31:59,567 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:31:59,567 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727142288]
[2024-03-11 23:31:59,567 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:31:59,567 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:31:59,576 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:31:59,692 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:31:59,693 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:31:59,693 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727142288]
[2024-03-11 23:31:59,693 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727142288] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:31:59,694 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:31:59,694 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:31:59,694 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988241453]
[2024-03-11 23:31:59,694 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:31:59,695 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:31:59,695 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:31:59,695 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:31:59,695 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:31:59,837 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 137 out of 188
[2024-03-11 23:31:59,838 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)
[2024-03-11 23:31:59,839 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:31:59,839 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 188
[2024-03-11 23:31:59,839 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:33:01,982 INFO  L124   PetriNetUnfolderBase]: 45071/266623 cut-off events.
[2024-03-11 23:33:01,982 INFO  L125   PetriNetUnfolderBase]: For 160277/160277 co-relation queries the response was YES.
[2024-03-11 23:33:04,244 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. 
[2024-03-11 23:33:04,969 INFO  L140   encePairwiseOnDemand]: 170/188 looper letters, 38 selfloop transitions, 8 changer transitions 12/185 dead transitions.
[2024-03-11 23:33:04,969 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 185 transitions, 725 flow
[2024-03-11 23:33:04,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:33:04,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:33:04,970 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 884 transitions.
[2024-03-11 23:33:04,971 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.7836879432624113
[2024-03-11 23:33:04,971 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 884 transitions.
[2024-03-11 23:33:04,971 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 884 transitions.
[2024-03-11 23:33:04,971 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:33:04,971 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 884 transitions.
[2024-03-11 23:33:04,972 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)
[2024-03-11 23:33:04,973 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)
[2024-03-11 23:33:04,973 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)
[2024-03-11 23:33:04,973 INFO  L175             Difference]: Start difference. First operand has 190 places, 179 transitions, 605 flow. Second operand 6 states and 884 transitions.
[2024-03-11 23:33:04,973 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 185 transitions, 725 flow
[2024-03-11 23:33:05,123 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 185 transitions, 725 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:33:05,125 INFO  L231             Difference]: Finished difference. Result has 196 places, 173 transitions, 639 flow
[2024-03-11 23:33:05,125 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}
[2024-03-11 23:33:05,125 INFO  L281   CegarLoopForPetriNet]: 190 programPoint places, 6 predicate places.
[2024-03-11 23:33:05,125 INFO  L495      AbstractCegarLoop]: Abstraction has has 196 places, 173 transitions, 639 flow
[2024-03-11 23:33:05,126 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)
[2024-03-11 23:33:05,126 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:33:05,126 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]
[2024-03-11 23:33:05,126 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2024-03-11 23:33:05,126 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)] ===
[2024-03-11 23:33:05,126 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:33:05,126 INFO  L85        PathProgramCache]: Analyzing trace with hash -1341645417, now seen corresponding path program 1 times
[2024-03-11 23:33:05,127 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:33:05,127 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509883243]
[2024-03-11 23:33:05,127 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:33:05,127 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:33:05,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:33:05,170 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:33:05,170 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:33:05,170 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509883243]
[2024-03-11 23:33:05,171 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509883243] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:33:05,171 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:33:05,171 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:33:05,171 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077742194]
[2024-03-11 23:33:05,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:33:05,171 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-03-11 23:33:05,172 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:33:05,172 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-03-11 23:33:05,172 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-03-11 23:33:05,232 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 148 out of 188
[2024-03-11 23:33:05,233 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)
[2024-03-11 23:33:05,233 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:33:05,233 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 188
[2024-03-11 23:33:05,233 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:33:53,471 INFO  L124   PetriNetUnfolderBase]: 45069/209265 cut-off events.
[2024-03-11 23:33:53,472 INFO  L125   PetriNetUnfolderBase]: For 160278/160278 co-relation queries the response was YES.
[2024-03-11 23:33:55,551 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. 
[2024-03-11 23:33:56,216 INFO  L140   encePairwiseOnDemand]: 182/188 looper letters, 34 selfloop transitions, 2 changer transitions 3/173 dead transitions.
[2024-03-11 23:33:56,216 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 173 transitions, 702 flow
[2024-03-11 23:33:56,217 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:33:56,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:33:56,218 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 928 transitions.
[2024-03-11 23:33:56,218 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8226950354609929
[2024-03-11 23:33:56,218 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 928 transitions.
[2024-03-11 23:33:56,218 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 928 transitions.
[2024-03-11 23:33:56,218 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:33:56,218 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 928 transitions.
[2024-03-11 23:33:56,219 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)
[2024-03-11 23:33:56,220 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)
[2024-03-11 23:33:56,221 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)
[2024-03-11 23:33:56,221 INFO  L175             Difference]: Start difference. First operand has 196 places, 173 transitions, 639 flow. Second operand 6 states and 928 transitions.
[2024-03-11 23:33:56,221 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 173 transitions, 702 flow
[2024-03-11 23:33:56,494 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 173 transitions, 694 flow, removed 4 selfloop flow, removed 0 redundant places.
[2024-03-11 23:33:56,496 INFO  L231             Difference]: Finished difference. Result has 197 places, 170 transitions, 626 flow
[2024-03-11 23:33:56,496 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}
[2024-03-11 23:33:56,496 INFO  L281   CegarLoopForPetriNet]: 190 programPoint places, 7 predicate places.
[2024-03-11 23:33:56,497 INFO  L495      AbstractCegarLoop]: Abstraction has has 197 places, 170 transitions, 626 flow
[2024-03-11 23:33:56,497 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)
[2024-03-11 23:33:56,497 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:33:56,497 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]
[2024-03-11 23:33:56,497 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2024-03-11 23:33:56,497 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)] ===
[2024-03-11 23:33:56,498 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:33:56,498 INFO  L85        PathProgramCache]: Analyzing trace with hash -154611821, now seen corresponding path program 1 times
[2024-03-11 23:33:56,498 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:33:56,498 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106072259]
[2024-03-11 23:33:56,498 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:33:56,498 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:33:56,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:33:56,728 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-03-11 23:33:56,728 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:33:56,728 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106072259]
[2024-03-11 23:33:56,728 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106072259] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:33:56,728 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:33:56,729 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-03-11 23:33:56,729 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147052091]
[2024-03-11 23:33:56,729 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:33:56,729 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-03-11 23:33:56,729 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:33:56,729 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-03-11 23:33:56,729 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-03-11 23:33:56,872 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 146 out of 188
[2024-03-11 23:33:56,873 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)
[2024-03-11 23:33:56,873 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:33:56,873 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 188
[2024-03-11 23:33:56,873 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:34:44,852 INFO  L124   PetriNetUnfolderBase]: 45069/201070 cut-off events.
[2024-03-11 23:34:44,852 INFO  L125   PetriNetUnfolderBase]: For 53796/53796 co-relation queries the response was YES.
[2024-03-11 23:34:46,955 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. 
[2024-03-11 23:34:47,037 INFO  L140   encePairwiseOnDemand]: 182/188 looper letters, 14 selfloop transitions, 0 changer transitions 34/169 dead transitions.
[2024-03-11 23:34:47,037 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 169 transitions, 696 flow
[2024-03-11 23:34:47,038 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-03-11 23:34:47,038 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-03-11 23:34:47,038 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 913 transitions.
[2024-03-11 23:34:47,039 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.8093971631205674
[2024-03-11 23:34:47,039 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 913 transitions.
[2024-03-11 23:34:47,039 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 913 transitions.
[2024-03-11 23:34:47,039 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:34:47,039 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 913 transitions.
[2024-03-11 23:34:47,040 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)
[2024-03-11 23:34:47,041 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)
[2024-03-11 23:34:47,041 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)
[2024-03-11 23:34:47,041 INFO  L175             Difference]: Start difference. First operand has 197 places, 170 transitions, 626 flow. Second operand 6 states and 913 transitions.
[2024-03-11 23:34:47,041 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 169 transitions, 696 flow
[2024-03-11 23:34:47,230 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 169 transitions, 688 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-03-11 23:34:47,231 INFO  L231             Difference]: Finished difference. Result has 194 places, 135 transitions, 507 flow
[2024-03-11 23:34:47,232 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}
[2024-03-11 23:34:47,232 INFO  L281   CegarLoopForPetriNet]: 190 programPoint places, 4 predicate places.
[2024-03-11 23:34:47,232 INFO  L495      AbstractCegarLoop]: Abstraction has has 194 places, 135 transitions, 507 flow
[2024-03-11 23:34:47,232 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)
[2024-03-11 23:34:47,232 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:34:47,232 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]
[2024-03-11 23:34:47,232 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2024-03-11 23:34:47,233 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)] ===
[2024-03-11 23:34:47,233 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:34:47,233 INFO  L85        PathProgramCache]: Analyzing trace with hash 95442923, now seen corresponding path program 1 times
[2024-03-11 23:34:47,233 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:34:47,233 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902714822]
[2024-03-11 23:34:47,233 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:34:47,233 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:34:47,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:34:47,292 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:34:47,381 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:34:47,402 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:34:47,402 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:34:47,402 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-03-11 23:34:47,402 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2024-03-11 23:34:47,402 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2024-03-11 23:34:47,402 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2024-03-11 23:34:47,402 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2024-03-11 23:34:47,403 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2024-03-11 23:34:47,403 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-03-11 23:34:47,403 WARN  L233   ceAbstractionStarter]: 13 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:34:47,403 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 14 thread instances.
[2024-03-11 23:34:47,427 INFO  L144    ThreadInstanceAdder]: Constructed 14 joinOtherThreadTransitions.
[2024-03-11 23:34:47,429 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 208 places, 196 transitions, 672 flow
Killed by 15
