./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/thread-join-array-const.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data -tc /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/AutomizerReach.xml -i /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const.i -s /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 d95613863b12c8e7ad0425f6659b97df3891ba6cc951da0b981e4fca54d3b7f9
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2023-11-03 13:07:25,305 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-11-03 13:07:25,306 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-11-03 13:07:25,326 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-11-03 13:07:25,327 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-11-03 13:07:25,328 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-11-03 13:07:25,328 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-11-03 13:07:25,330 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-11-03 13:07:25,331 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-11-03 13:07:25,332 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-11-03 13:07:25,332 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-11-03 13:07:25,333 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-11-03 13:07:25,333 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-11-03 13:07:25,334 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-11-03 13:07:25,335 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-11-03 13:07:25,336 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-11-03 13:07:25,336 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-11-03 13:07:25,337 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-11-03 13:07:25,338 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-11-03 13:07:25,339 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-11-03 13:07:25,341 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-11-03 13:07:25,342 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-11-03 13:07:25,343 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-11-03 13:07:25,343 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-11-03 13:07:25,346 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-11-03 13:07:25,346 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-11-03 13:07:25,346 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-11-03 13:07:25,347 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-11-03 13:07:25,347 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-11-03 13:07:25,348 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-11-03 13:07:25,348 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-11-03 13:07:25,348 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-11-03 13:07:25,349 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-11-03 13:07:25,349 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-11-03 13:07:25,350 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-11-03 13:07:25,350 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-11-03 13:07:25,351 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-11-03 13:07:25,351 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-11-03 13:07:25,351 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-11-03 13:07:25,351 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-11-03 13:07:25,352 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-11-03 13:07:25,353 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-03 13:07:25,370 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-11-03 13:07:25,370 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-03 13:07:25,370 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-03 13:07:25,370 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-03 13:07:25,371 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-03 13:07:25,371 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-03 13:07:25,372 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-03 13:07:25,372 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-03 13:07:25,372 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-11-03 13:07:25,372 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-03 13:07:25,372 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-11-03 13:07:25,372 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2023-11-03 13:07:25,372 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-03 13:07:25,372 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-11-03 13:07:25,372 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-03 13:07:25,373 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-03 13:07:25,373 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-03 13:07:25,373 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-03 13:07:25,373 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-11-03 13:07:25,373 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-11-03 13:07:25,373 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-03 13:07:25,373 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-11-03 13:07:25,373 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-03 13:07:25,373 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-03 13:07:25,373 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-03 13:07:25,374 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-03 13:07:25,374 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-03 13:07:25,374 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-03 13:07:25,374 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-03 13:07:25,374 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-11-03 13:07:25,374 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-03 13:07:25,374 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-03 13:07:25,374 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-03 13:07:25,374 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-03 13:07:25,375 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-03 13:07:25,375 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-03 13:07:25,375 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-03 13:07:25,375 INFO  L138        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-pldi/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-pldi/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> d95613863b12c8e7ad0425f6659b97df3891ba6cc951da0b981e4fca54d3b7f9
[2023-11-03 13:07:25,579 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-03 13:07:25,597 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-03 13:07:25,600 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-03 13:07:25,601 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-11-03 13:07:25,601 INFO  L275        PluginConnector]: CDTParser initialized
[2023-11-03 13:07:25,603 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const.i
[2023-11-03 13:07:26,629 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-11-03 13:07:26,873 INFO  L351              CDTParser]: Found 1 translation units.
[2023-11-03 13:07:26,874 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-const.i
[2023-11-03 13:07:26,883 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/ee2d4d6b0/611c9ec63c2543bca8f7d2462de8b0fb/FLAGc508aadb2
[2023-11-03 13:07:27,261 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/ee2d4d6b0/611c9ec63c2543bca8f7d2462de8b0fb
[2023-11-03 13:07:27,264 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-03 13:07:27,265 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-03 13:07:27,266 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-03 13:07:27,266 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-03 13:07:27,273 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-03 13:07:27,274 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,274 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4a3101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27, skipping insertion in model container
[2023-11-03 13:07:27,274 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,283 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-11-03 13:07:27,314 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-11-03 13:07:27,520 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-11-03 13:07:27,529 INFO  L203         MainTranslator]: Completed pre-run
[2023-11-03 13:07:27,559 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-11-03 13:07:27,582 INFO  L208         MainTranslator]: Completed translation
[2023-11-03 13:07:27,582 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27 WrapperNode
[2023-11-03 13:07:27,582 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-03 13:07:27,583 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-03 13:07:27,583 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-03 13:07:27,584 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-03 13:07:27,589 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,599 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,613 INFO  L138                Inliner]: procedures = 157, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53
[2023-11-03 13:07:27,614 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-03 13:07:27,615 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-03 13:07:27,615 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-03 13:07:27,615 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-11-03 13:07:27,621 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,621 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,624 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,624 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,629 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,632 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,633 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,634 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,635 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-03 13:07:27,636 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-03 13:07:27,636 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-11-03 13:07:27,636 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-11-03 13:07:27,637 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (1/1) ...
[2023-11-03 13:07:27,642 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-03 13:07:27,649 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-11-03 13:07:27,660 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-03 13:07:27,664 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-03 13:07:27,689 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-03 13:07:27,690 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-03 13:07:27,690 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-03 13:07:27,690 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-03 13:07:27,690 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-03 13:07:27,690 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-03 13:07:27,690 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-03 13:07:27,691 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2023-11-03 13:07:27,691 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2023-11-03 13:07:27,691 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-03 13:07:27,691 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-03 13:07:27,692 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-11-03 13:07:27,795 INFO  L235             CfgBuilder]: Building ICFG
[2023-11-03 13:07:27,796 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-03 13:07:27,962 INFO  L276             CfgBuilder]: Performing block encoding
[2023-11-03 13:07:27,972 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-03 13:07:27,972 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-03 13:07:27,976 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:07:27 BoogieIcfgContainer
[2023-11-03 13:07:27,976 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-03 13:07:27,980 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-03 13:07:27,980 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-11-03 13:07:27,983 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-11-03 13:07:27,983 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:07:27" (1/3) ...
[2023-11-03 13:07:27,983 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2b6167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:07:27, skipping insertion in model container
[2023-11-03 13:07:27,983 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:07:27" (2/3) ...
[2023-11-03 13:07:27,984 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2b6167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:07:27, skipping insertion in model container
[2023-11-03 13:07:27,984 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:07:27" (3/3) ...
[2023-11-03 13:07:27,985 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-array-const.i
[2023-11-03 13:07:27,991 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-03 13:07:27,999 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-03 13:07:27,999 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2023-11-03 13:07:27,999 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-03 13:07:28,037 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-11-03 13:07:28,064 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 150 flow
[2023-11-03 13:07:28,101 INFO  L130       PetriNetUnfolder]: 5/97 cut-off events.
[2023-11-03 13:07:28,101 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-11-03 13:07:28,105 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 103 conditions, 97 events. 5/97 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 181 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 45. Up to 4 conditions per place. 
[2023-11-03 13:07:28,105 INFO  L82        GeneralOperation]: Start removeDead. Operand has 71 places, 71 transitions, 150 flow
[2023-11-03 13:07:28,108 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 71 places, 71 transitions, 150 flow
[2023-11-03 13:07:28,111 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-03 13:07:28,120 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 71 transitions, 150 flow
[2023-11-03 13:07:28,122 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 71 transitions, 150 flow
[2023-11-03 13:07:28,122 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 150 flow
[2023-11-03 13:07:28,143 INFO  L130       PetriNetUnfolder]: 5/97 cut-off events.
[2023-11-03 13:07:28,143 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-11-03 13:07:28,144 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 103 conditions, 97 events. 5/97 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 181 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 45. Up to 4 conditions per place. 
[2023-11-03 13:07:28,145 INFO  L119        LiptonReduction]: Number of co-enabled transitions 896
[2023-11-03 13:07:29,578 INFO  L134        LiptonReduction]: Checked pairs total: 1633
[2023-11-03 13:07:29,579 INFO  L136        LiptonReduction]: Total number of compositions: 57
[2023-11-03 13:07:29,593 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-03 13:07:29,599 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=LoopsAndPotentialCycles, 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;@4f846b7f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-03 13:07:29,599 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2023-11-03 13:07:29,602 INFO  L130       PetriNetUnfolder]: 0/5 cut-off events.
[2023-11-03 13:07:29,602 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-11-03 13:07:29,602 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:29,603 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2023-11-03 13:07:29,603 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-03 13:07:29,607 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:29,607 INFO  L85        PathProgramCache]: Analyzing trace with hash 260257, now seen corresponding path program 1 times
[2023-11-03 13:07:29,614 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:29,614 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659045353]
[2023-11-03 13:07:29,615 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:29,615 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:29,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:29,779 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:29,780 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:29,780 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659045353]
[2023-11-03 13:07:29,780 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659045353] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:29,781 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:29,781 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:29,782 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926157753]
[2023-11-03 13:07:29,782 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:29,789 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:29,789 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:29,804 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:29,805 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:29,832 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 64 out of 128
[2023-11-03 13:07:29,834 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 18 transitions, 44 flow. Second operand  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:29,834 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:29,834 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 128
[2023-11-03 13:07:29,835 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:29,875 INFO  L130       PetriNetUnfolder]: 12/52 cut-off events.
[2023-11-03 13:07:29,875 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-11-03 13:07:29,876 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 100 conditions, 52 events. 12/52 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 144 event pairs, 5 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 72. Up to 36 conditions per place. 
[2023-11-03 13:07:29,877 INFO  L137   encePairwiseOnDemand]: 124/128 looper letters, 13 selfloop transitions, 2 changer transitions 0/20 dead transitions.
[2023-11-03 13:07:29,877 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 20 transitions, 78 flow
[2023-11-03 13:07:29,879 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:29,880 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:29,886 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions.
[2023-11-03 13:07:29,887 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5442708333333334
[2023-11-03 13:07:29,888 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 209 transitions.
[2023-11-03 13:07:29,888 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 209 transitions.
[2023-11-03 13:07:29,889 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:29,891 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 209 transitions.
[2023-11-03 13:07:29,893 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:29,897 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:29,897 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:29,898 INFO  L175             Difference]: Start difference. First operand has 20 places, 18 transitions, 44 flow. Second operand 3 states and 209 transitions.
[2023-11-03 13:07:29,899 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 20 transitions, 78 flow
[2023-11-03 13:07:29,901 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 78 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-03 13:07:29,902 INFO  L231             Difference]: Finished difference. Result has 22 places, 17 transitions, 50 flow
[2023-11-03 13:07:29,903 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=22, PETRI_TRANSITIONS=17}
[2023-11-03 13:07:29,906 INFO  L288   CegarLoopForPetriNet]: 20 programPoint places, 2 predicate places.
[2023-11-03 13:07:29,906 INFO  L495      AbstractCegarLoop]: Abstraction has has 22 places, 17 transitions, 50 flow
[2023-11-03 13:07:29,907 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:29,907 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:29,907 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:29,907 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-03 13:07:29,907 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-03 13:07:29,908 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:29,908 INFO  L85        PathProgramCache]: Analyzing trace with hash -826925151, now seen corresponding path program 1 times
[2023-11-03 13:07:29,908 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:29,908 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655637232]
[2023-11-03 13:07:29,908 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:29,909 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:29,922 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:29,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:29,950 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:29,951 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655637232]
[2023-11-03 13:07:29,951 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655637232] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:29,951 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:29,951 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:29,951 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293779290]
[2023-11-03 13:07:29,951 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:29,953 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:29,953 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:29,954 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:29,954 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:29,968 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 61 out of 128
[2023-11-03 13:07:29,968 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 17 transitions, 50 flow. Second operand  has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:29,969 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:29,969 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 128
[2023-11-03 13:07:29,969 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:30,020 INFO  L130       PetriNetUnfolder]: 20/71 cut-off events.
[2023-11-03 13:07:30,020 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2023-11-03 13:07:30,020 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 153 conditions, 71 events. 20/71 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 225 event pairs, 13 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 122. Up to 48 conditions per place. 
[2023-11-03 13:07:30,021 INFO  L137   encePairwiseOnDemand]: 124/128 looper letters, 17 selfloop transitions, 3 changer transitions 1/24 dead transitions.
[2023-11-03 13:07:30,021 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 24 transitions, 111 flow
[2023-11-03 13:07:30,021 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:30,021 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:30,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions.
[2023-11-03 13:07:30,023 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5338541666666666
[2023-11-03 13:07:30,023 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 205 transitions.
[2023-11-03 13:07:30,023 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions.
[2023-11-03 13:07:30,023 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:30,024 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions.
[2023-11-03 13:07:30,025 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:30,026 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:30,026 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:30,026 INFO  L175             Difference]: Start difference. First operand has 22 places, 17 transitions, 50 flow. Second operand 3 states and 205 transitions.
[2023-11-03 13:07:30,026 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 24 transitions, 111 flow
[2023-11-03 13:07:30,027 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 24 transitions, 105 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-03 13:07:30,027 INFO  L231             Difference]: Finished difference. Result has 23 places, 19 transitions, 65 flow
[2023-11-03 13:07:30,027 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=65, PETRI_PLACES=23, PETRI_TRANSITIONS=19}
[2023-11-03 13:07:30,028 INFO  L288   CegarLoopForPetriNet]: 20 programPoint places, 3 predicate places.
[2023-11-03 13:07:30,028 INFO  L495      AbstractCegarLoop]: Abstraction has has 23 places, 19 transitions, 65 flow
[2023-11-03 13:07:30,028 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:30,029 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:30,029 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2023-11-03 13:07:30,029 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-03 13:07:30,029 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2023-11-03 13:07:30,029 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:30,029 INFO  L85        PathProgramCache]: Analyzing trace with hash -826926477, now seen corresponding path program 1 times
[2023-11-03 13:07:30,030 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:30,030 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212231725]
[2023-11-03 13:07:30,030 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:30,030 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:30,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-03 13:07:30,052 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-03 13:07:30,065 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-03 13:07:30,081 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-03 13:07:30,081 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-03 13:07:30,082 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2023-11-03 13:07:30,084 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining)
[2023-11-03 13:07:30,121 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining)
[2023-11-03 13:07:30,121 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining)
[2023-11-03 13:07:30,121 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining)
[2023-11-03 13:07:30,121 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-03 13:07:30,122 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-11-03 13:07:30,124 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-11-03 13:07:30,124 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-11-03 13:07:30,137 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-03 13:07:30,139 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 88 places, 87 transitions, 192 flow
[2023-11-03 13:07:30,156 INFO  L130       PetriNetUnfolder]: 10/173 cut-off events.
[2023-11-03 13:07:30,156 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2023-11-03 13:07:30,157 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 187 conditions, 173 events. 10/173 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 411 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 99. Up to 8 conditions per place. 
[2023-11-03 13:07:30,157 INFO  L82        GeneralOperation]: Start removeDead. Operand has 88 places, 87 transitions, 192 flow
[2023-11-03 13:07:30,158 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 88 places, 87 transitions, 192 flow
[2023-11-03 13:07:30,158 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-03 13:07:30,158 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 87 transitions, 192 flow
[2023-11-03 13:07:30,158 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 87 transitions, 192 flow
[2023-11-03 13:07:30,158 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 88 places, 87 transitions, 192 flow
[2023-11-03 13:07:30,172 INFO  L130       PetriNetUnfolder]: 10/173 cut-off events.
[2023-11-03 13:07:30,173 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2023-11-03 13:07:30,173 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 187 conditions, 173 events. 10/173 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 411 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 99. Up to 8 conditions per place. 
[2023-11-03 13:07:30,175 INFO  L119        LiptonReduction]: Number of co-enabled transitions 2492
[2023-11-03 13:07:31,377 INFO  L134        LiptonReduction]: Checked pairs total: 5801
[2023-11-03 13:07:31,377 INFO  L136        LiptonReduction]: Total number of compositions: 60
[2023-11-03 13:07:31,380 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-03 13:07:31,382 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=LoopsAndPotentialCycles, 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;@4f846b7f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-03 13:07:31,382 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2023-11-03 13:07:31,384 INFO  L130       PetriNetUnfolder]: 0/4 cut-off events.
[2023-11-03 13:07:31,384 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-11-03 13:07:31,384 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:31,384 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2023-11-03 13:07:31,385 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2023-11-03 13:07:31,385 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:31,385 INFO  L85        PathProgramCache]: Analyzing trace with hash 422210, now seen corresponding path program 1 times
[2023-11-03 13:07:31,385 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:31,385 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423991032]
[2023-11-03 13:07:31,386 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:31,386 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:31,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:31,424 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:31,424 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:31,424 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423991032]
[2023-11-03 13:07:31,425 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423991032] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:31,425 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:31,425 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:31,425 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453523226]
[2023-11-03 13:07:31,425 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:31,426 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:31,426 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:31,426 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:31,426 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:31,443 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 78 out of 147
[2023-11-03 13:07:31,444 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 78 flow. Second operand  has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,444 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:31,444 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 147
[2023-11-03 13:07:31,444 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:31,566 INFO  L130       PetriNetUnfolder]: 457/901 cut-off events.
[2023-11-03 13:07:31,566 INFO  L131       PetriNetUnfolder]: For 36/36 co-relation queries the response was YES.
[2023-11-03 13:07:31,568 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1745 conditions, 901 events. 457/901 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4583 event pairs, 205 based on Foata normal form. 0/790 useless extension candidates. Maximal degree in co-relation 286. Up to 787 conditions per place. 
[2023-11-03 13:07:31,572 INFO  L137   encePairwiseOnDemand]: 143/147 looper letters, 27 selfloop transitions, 2 changer transitions 0/36 dead transitions.
[2023-11-03 13:07:31,572 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 36 transitions, 148 flow
[2023-11-03 13:07:31,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:31,573 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:31,574 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions.
[2023-11-03 13:07:31,574 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6009070294784581
[2023-11-03 13:07:31,574 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 265 transitions.
[2023-11-03 13:07:31,574 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 265 transitions.
[2023-11-03 13:07:31,575 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:31,575 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 265 transitions.
[2023-11-03 13:07:31,576 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,577 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,577 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,577 INFO  L175             Difference]: Start difference. First operand has 33 places, 30 transitions, 78 flow. Second operand 3 states and 265 transitions.
[2023-11-03 13:07:31,578 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 36 transitions, 148 flow
[2023-11-03 13:07:31,579 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 36 transitions, 148 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-03 13:07:31,579 INFO  L231             Difference]: Finished difference. Result has 35 places, 30 transitions, 88 flow
[2023-11-03 13:07:31,579 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=35, PETRI_TRANSITIONS=30}
[2023-11-03 13:07:31,580 INFO  L288   CegarLoopForPetriNet]: 33 programPoint places, 2 predicate places.
[2023-11-03 13:07:31,581 INFO  L495      AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 88 flow
[2023-11-03 13:07:31,581 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,581 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:31,581 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:31,581 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-03 13:07:31,581 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2023-11-03 13:07:31,582 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:31,582 INFO  L85        PathProgramCache]: Analyzing trace with hash -536914938, now seen corresponding path program 1 times
[2023-11-03 13:07:31,582 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:31,582 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386175243]
[2023-11-03 13:07:31,582 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:31,583 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:31,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:31,613 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:31,613 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:31,613 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386175243]
[2023-11-03 13:07:31,614 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386175243] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:31,614 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:31,614 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:31,614 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352137139]
[2023-11-03 13:07:31,614 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:31,614 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:31,614 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:31,615 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:31,615 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:31,632 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 74 out of 147
[2023-11-03 13:07:31,632 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 88 flow. Second operand  has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,632 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:31,632 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 147
[2023-11-03 13:07:31,632 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:31,786 INFO  L130       PetriNetUnfolder]: 595/1131 cut-off events.
[2023-11-03 13:07:31,786 INFO  L131       PetriNetUnfolder]: For 148/148 co-relation queries the response was YES.
[2023-11-03 13:07:31,788 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2319 conditions, 1131 events. 595/1131 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6140 event pairs, 379 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 2269. Up to 765 conditions per place. 
[2023-11-03 13:07:31,791 INFO  L137   encePairwiseOnDemand]: 141/147 looper letters, 36 selfloop transitions, 5 changer transitions 0/47 dead transitions.
[2023-11-03 13:07:31,791 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 47 transitions, 219 flow
[2023-11-03 13:07:31,792 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:31,792 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:31,793 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 262 transitions.
[2023-11-03 13:07:31,793 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5941043083900227
[2023-11-03 13:07:31,793 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 262 transitions.
[2023-11-03 13:07:31,794 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 262 transitions.
[2023-11-03 13:07:31,794 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:31,794 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 262 transitions.
[2023-11-03 13:07:31,795 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,796 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,796 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,796 INFO  L175             Difference]: Start difference. First operand has 35 places, 30 transitions, 88 flow. Second operand 3 states and 262 transitions.
[2023-11-03 13:07:31,796 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 47 transitions, 219 flow
[2023-11-03 13:07:31,797 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 47 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-03 13:07:31,798 INFO  L231             Difference]: Finished difference. Result has 38 places, 34 transitions, 124 flow
[2023-11-03 13:07:31,799 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=38, PETRI_TRANSITIONS=34}
[2023-11-03 13:07:31,799 INFO  L288   CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places.
[2023-11-03 13:07:31,799 INFO  L495      AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 124 flow
[2023-11-03 13:07:31,800 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,800 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:31,800 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:31,800 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-03 13:07:31,800 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2023-11-03 13:07:31,800 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:31,800 INFO  L85        PathProgramCache]: Analyzing trace with hash 421910286, now seen corresponding path program 1 times
[2023-11-03 13:07:31,801 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:31,801 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659266591]
[2023-11-03 13:07:31,801 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:31,801 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:31,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:31,848 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-03 13:07:31,848 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:31,848 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659266591]
[2023-11-03 13:07:31,848 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659266591] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:31,849 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:31,849 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-03 13:07:31,849 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941824806]
[2023-11-03 13:07:31,849 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:31,849 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-03 13:07:31,849 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:31,850 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-03 13:07:31,850 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-03 13:07:31,877 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 76 out of 147
[2023-11-03 13:07:31,877 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 124 flow. Second operand  has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:31,878 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:31,878 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 147
[2023-11-03 13:07:31,878 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:32,006 INFO  L130       PetriNetUnfolder]: 397/789 cut-off events.
[2023-11-03 13:07:32,006 INFO  L131       PetriNetUnfolder]: For 466/480 co-relation queries the response was YES.
[2023-11-03 13:07:32,007 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1980 conditions, 789 events. 397/789 cut-off events. For 466/480 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3804 event pairs, 204 based on Foata normal form. 50/823 useless extension candidates. Maximal degree in co-relation 727. Up to 442 conditions per place. 
[2023-11-03 13:07:32,009 INFO  L137   encePairwiseOnDemand]: 143/147 looper letters, 41 selfloop transitions, 3 changer transitions 0/51 dead transitions.
[2023-11-03 13:07:32,010 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 51 transitions, 274 flow
[2023-11-03 13:07:32,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-03 13:07:32,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-03 13:07:32,011 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 341 transitions.
[2023-11-03 13:07:32,011 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5799319727891157
[2023-11-03 13:07:32,012 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 341 transitions.
[2023-11-03 13:07:32,012 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 341 transitions.
[2023-11-03 13:07:32,012 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:32,012 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 341 transitions.
[2023-11-03 13:07:32,013 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 85.25) internal successors, (341), 4 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:32,015 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:32,016 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:32,016 INFO  L175             Difference]: Start difference. First operand has 38 places, 34 transitions, 124 flow. Second operand 4 states and 341 transitions.
[2023-11-03 13:07:32,016 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 51 transitions, 274 flow
[2023-11-03 13:07:32,019 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-03 13:07:32,020 INFO  L231             Difference]: Finished difference. Result has 40 places, 35 transitions, 130 flow
[2023-11-03 13:07:32,020 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=130, PETRI_PLACES=40, PETRI_TRANSITIONS=35}
[2023-11-03 13:07:32,021 INFO  L288   CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places.
[2023-11-03 13:07:32,021 INFO  L495      AbstractCegarLoop]: Abstraction has has 40 places, 35 transitions, 130 flow
[2023-11-03 13:07:32,021 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:32,021 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:32,021 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2023-11-03 13:07:32,021 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-03 13:07:32,021 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] ===
[2023-11-03 13:07:32,022 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:32,022 INFO  L85        PathProgramCache]: Analyzing trace with hash -1843257085, now seen corresponding path program 1 times
[2023-11-03 13:07:32,022 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:32,022 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338740004]
[2023-11-03 13:07:32,022 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:32,022 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:32,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-03 13:07:32,034 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-03 13:07:32,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-03 13:07:32,046 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-03 13:07:32,046 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-03 13:07:32,046 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining)
[2023-11-03 13:07:32,047 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining)
[2023-11-03 13:07:32,047 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining)
[2023-11-03 13:07:32,047 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining)
[2023-11-03 13:07:32,047 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining)
[2023-11-03 13:07:32,047 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining)
[2023-11-03 13:07:32,048 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-03 13:07:32,048 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-03 13:07:32,048 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-11-03 13:07:32,048 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2023-11-03 13:07:32,061 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-11-03 13:07:32,063 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 105 places, 103 transitions, 236 flow
[2023-11-03 13:07:32,082 INFO  L130       PetriNetUnfolder]: 20/300 cut-off events.
[2023-11-03 13:07:32,083 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2023-11-03 13:07:32,083 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 328 conditions, 300 events. 20/300 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 916 event pairs, 1 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 181. Up to 16 conditions per place. 
[2023-11-03 13:07:32,083 INFO  L82        GeneralOperation]: Start removeDead. Operand has 105 places, 103 transitions, 236 flow
[2023-11-03 13:07:32,084 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 105 places, 103 transitions, 236 flow
[2023-11-03 13:07:32,084 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-03 13:07:32,085 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 103 transitions, 236 flow
[2023-11-03 13:07:32,085 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 103 transitions, 236 flow
[2023-11-03 13:07:32,085 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 105 places, 103 transitions, 236 flow
[2023-11-03 13:07:32,103 INFO  L130       PetriNetUnfolder]: 20/300 cut-off events.
[2023-11-03 13:07:32,104 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2023-11-03 13:07:32,104 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 328 conditions, 300 events. 20/300 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 916 event pairs, 1 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 181. Up to 16 conditions per place. 
[2023-11-03 13:07:32,108 INFO  L119        LiptonReduction]: Number of co-enabled transitions 4452
[2023-11-03 13:07:33,168 INFO  L134        LiptonReduction]: Checked pairs total: 10175
[2023-11-03 13:07:33,168 INFO  L136        LiptonReduction]: Total number of compositions: 69
[2023-11-03 13:07:33,170 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-03 13:07:33,170 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=LoopsAndPotentialCycles, 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;@4f846b7f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-03 13:07:33,170 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2023-11-03 13:07:33,171 INFO  L130       PetriNetUnfolder]: 0/4 cut-off events.
[2023-11-03 13:07:33,172 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-11-03 13:07:33,172 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:33,172 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2023-11-03 13:07:33,172 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-03 13:07:33,172 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:33,172 INFO  L85        PathProgramCache]: Analyzing trace with hash 608739, now seen corresponding path program 1 times
[2023-11-03 13:07:33,172 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:33,173 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180557991]
[2023-11-03 13:07:33,173 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:33,173 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:33,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:33,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:33,190 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:33,190 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180557991]
[2023-11-03 13:07:33,190 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180557991] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:33,190 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:33,190 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:33,191 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943184588]
[2023-11-03 13:07:33,191 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:33,191 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:33,191 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:33,191 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:33,191 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:33,201 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 90 out of 172
[2023-11-03 13:07:33,201 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 106 flow. Second operand  has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:33,201 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:33,201 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 172
[2023-11-03 13:07:33,201 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:33,525 INFO  L130       PetriNetUnfolder]: 2815/4983 cut-off events.
[2023-11-03 13:07:33,525 INFO  L131       PetriNetUnfolder]: For 394/394 co-relation queries the response was YES.
[2023-11-03 13:07:33,531 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 9510 conditions, 4983 events. 2815/4983 cut-off events. For 394/394 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 32837 event pairs, 1785 based on Foata normal form. 0/4525 useless extension candidates. Maximal degree in co-relation 1298. Up to 4231 conditions per place. 
[2023-11-03 13:07:33,587 INFO  L137   encePairwiseOnDemand]: 168/172 looper letters, 30 selfloop transitions, 2 changer transitions 0/43 dead transitions.
[2023-11-03 13:07:33,587 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 43 transitions, 180 flow
[2023-11-03 13:07:33,588 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:33,588 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:33,589 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions.
[2023-11-03 13:07:33,589 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5891472868217055
[2023-11-03 13:07:33,589 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 304 transitions.
[2023-11-03 13:07:33,590 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 304 transitions.
[2023-11-03 13:07:33,590 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:33,590 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 304 transitions.
[2023-11-03 13:07:33,591 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:33,592 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:33,592 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:33,592 INFO  L175             Difference]: Start difference. First operand has 42 places, 38 transitions, 106 flow. Second operand 3 states and 304 transitions.
[2023-11-03 13:07:33,592 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 43 transitions, 180 flow
[2023-11-03 13:07:33,593 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 43 transitions, 180 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-03 13:07:33,594 INFO  L231             Difference]: Finished difference. Result has 44 places, 38 transitions, 116 flow
[2023-11-03 13:07:33,594 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=44, PETRI_TRANSITIONS=38}
[2023-11-03 13:07:33,595 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 2 predicate places.
[2023-11-03 13:07:33,595 INFO  L495      AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 116 flow
[2023-11-03 13:07:33,595 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:33,596 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:33,596 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:33,596 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-03 13:07:33,596 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-03 13:07:33,596 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:33,596 INFO  L85        PathProgramCache]: Analyzing trace with hash 238525696, now seen corresponding path program 1 times
[2023-11-03 13:07:33,596 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:33,597 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963133321]
[2023-11-03 13:07:33,597 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:33,597 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:33,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:33,617 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:33,617 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:33,618 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963133321]
[2023-11-03 13:07:33,618 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963133321] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:33,618 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:33,618 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:33,618 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636317098]
[2023-11-03 13:07:33,618 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:33,618 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:33,618 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:33,619 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:33,619 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:33,639 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 87 out of 172
[2023-11-03 13:07:33,639 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 116 flow. Second operand  has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:33,639 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:33,639 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 172
[2023-11-03 13:07:33,639 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:34,213 INFO  L130       PetriNetUnfolder]: 6067/9611 cut-off events.
[2023-11-03 13:07:34,214 INFO  L131       PetriNetUnfolder]: For 1266/1266 co-relation queries the response was YES.
[2023-11-03 13:07:34,221 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 19591 conditions, 9611 events. 6067/9611 cut-off events. For 1266/1266 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 59756 event pairs, 4931 based on Foata normal form. 0/8786 useless extension candidates. Maximal degree in co-relation 19540. Up to 7918 conditions per place. 
[2023-11-03 13:07:34,254 INFO  L137   encePairwiseOnDemand]: 166/172 looper letters, 49 selfloop transitions, 5 changer transitions 0/61 dead transitions.
[2023-11-03 13:07:34,254 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 61 transitions, 295 flow
[2023-11-03 13:07:34,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:34,255 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:34,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions.
[2023-11-03 13:07:34,256 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6085271317829457
[2023-11-03 13:07:34,256 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 314 transitions.
[2023-11-03 13:07:34,256 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions.
[2023-11-03 13:07:34,256 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:34,257 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions.
[2023-11-03 13:07:34,257 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,258 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,258 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,258 INFO  L175             Difference]: Start difference. First operand has 44 places, 38 transitions, 116 flow. Second operand 3 states and 314 transitions.
[2023-11-03 13:07:34,258 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 61 transitions, 295 flow
[2023-11-03 13:07:34,260 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 61 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-03 13:07:34,260 INFO  L231             Difference]: Finished difference. Result has 46 places, 42 transitions, 147 flow
[2023-11-03 13:07:34,260 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=46, PETRI_TRANSITIONS=42}
[2023-11-03 13:07:34,261 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 4 predicate places.
[2023-11-03 13:07:34,261 INFO  L495      AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 147 flow
[2023-11-03 13:07:34,261 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,261 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:34,261 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:34,262 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-03 13:07:34,262 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-03 13:07:34,262 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:34,262 INFO  L85        PathProgramCache]: Analyzing trace with hash -1336616655, now seen corresponding path program 1 times
[2023-11-03 13:07:34,262 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:34,262 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058619313]
[2023-11-03 13:07:34,262 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:34,262 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:34,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:34,316 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-03 13:07:34,316 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:34,316 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058619313]
[2023-11-03 13:07:34,316 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058619313] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:34,316 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:34,316 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-03 13:07:34,317 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45319520]
[2023-11-03 13:07:34,317 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:34,317 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-03 13:07:34,317 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:34,318 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-03 13:07:34,318 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-03 13:07:34,348 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 90 out of 172
[2023-11-03 13:07:34,349 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 147 flow. Second operand  has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,349 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:34,349 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 172
[2023-11-03 13:07:34,349 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:34,738 INFO  L130       PetriNetUnfolder]: 3162/5514 cut-off events.
[2023-11-03 13:07:34,738 INFO  L131       PetriNetUnfolder]: For 1355/2003 co-relation queries the response was YES.
[2023-11-03 13:07:34,745 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 12182 conditions, 5514 events. 3162/5514 cut-off events. For 1355/2003 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 36291 event pairs, 1811 based on Foata normal form. 532/5797 useless extension candidates. Maximal degree in co-relation 4425. Up to 2993 conditions per place. 
[2023-11-03 13:07:34,761 INFO  L137   encePairwiseOnDemand]: 168/172 looper letters, 44 selfloop transitions, 3 changer transitions 0/60 dead transitions.
[2023-11-03 13:07:34,761 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 60 transitions, 291 flow
[2023-11-03 13:07:34,762 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-03 13:07:34,762 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-03 13:07:34,763 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 404 transitions.
[2023-11-03 13:07:34,763 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5872093023255814
[2023-11-03 13:07:34,763 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 404 transitions.
[2023-11-03 13:07:34,763 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 404 transitions.
[2023-11-03 13:07:34,763 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:34,763 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 404 transitions.
[2023-11-03 13:07:34,764 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 101.0) internal successors, (404), 4 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,765 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,765 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,765 INFO  L175             Difference]: Start difference. First operand has 46 places, 42 transitions, 147 flow. Second operand 4 states and 404 transitions.
[2023-11-03 13:07:34,765 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 60 transitions, 291 flow
[2023-11-03 13:07:34,768 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 60 transitions, 285 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-03 13:07:34,769 INFO  L231             Difference]: Finished difference. Result has 49 places, 43 transitions, 158 flow
[2023-11-03 13:07:34,769 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=158, PETRI_PLACES=49, PETRI_TRANSITIONS=43}
[2023-11-03 13:07:34,770 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 7 predicate places.
[2023-11-03 13:07:34,770 INFO  L495      AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 158 flow
[2023-11-03 13:07:34,770 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 91.5) internal successors, (366), 4 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,770 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:34,770 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:34,770 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-03 13:07:34,771 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-03 13:07:34,771 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:34,771 INFO  L85        PathProgramCache]: Analyzing trace with hash 205097922, now seen corresponding path program 1 times
[2023-11-03 13:07:34,771 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:34,771 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051841704]
[2023-11-03 13:07:34,771 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:34,771 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:34,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:34,794 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-03 13:07:34,794 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:34,794 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051841704]
[2023-11-03 13:07:34,795 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051841704] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:34,795 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:34,795 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:34,795 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667628682]
[2023-11-03 13:07:34,795 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:34,796 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:34,796 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:34,796 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:34,796 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:34,815 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 87 out of 172
[2023-11-03 13:07:34,816 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 158 flow. Second operand  has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:34,816 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:34,816 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 172
[2023-11-03 13:07:34,816 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:35,354 INFO  L130       PetriNetUnfolder]: 5873/9526 cut-off events.
[2023-11-03 13:07:35,354 INFO  L131       PetriNetUnfolder]: For 4841/4966 co-relation queries the response was YES.
[2023-11-03 13:07:35,364 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 22533 conditions, 9526 events. 5873/9526 cut-off events. For 4841/4966 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 60023 event pairs, 3788 based on Foata normal form. 0/9071 useless extension candidates. Maximal degree in co-relation 8932. Up to 6762 conditions per place. 
[2023-11-03 13:07:35,388 INFO  L137   encePairwiseOnDemand]: 165/172 looper letters, 53 selfloop transitions, 9 changer transitions 0/69 dead transitions.
[2023-11-03 13:07:35,388 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 69 transitions, 377 flow
[2023-11-03 13:07:35,389 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:35,389 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:35,390 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 314 transitions.
[2023-11-03 13:07:35,390 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6085271317829457
[2023-11-03 13:07:35,390 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 314 transitions.
[2023-11-03 13:07:35,391 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 314 transitions.
[2023-11-03 13:07:35,391 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:35,391 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 314 transitions.
[2023-11-03 13:07:35,392 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:35,392 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:35,392 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:35,392 INFO  L175             Difference]: Start difference. First operand has 49 places, 43 transitions, 158 flow. Second operand 3 states and 314 transitions.
[2023-11-03 13:07:35,393 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 69 transitions, 377 flow
[2023-11-03 13:07:35,399 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 69 transitions, 371 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-03 13:07:35,400 INFO  L231             Difference]: Finished difference. Result has 51 places, 50 transitions, 234 flow
[2023-11-03 13:07:35,400 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=51, PETRI_TRANSITIONS=50}
[2023-11-03 13:07:35,401 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 9 predicate places.
[2023-11-03 13:07:35,401 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 50 transitions, 234 flow
[2023-11-03 13:07:35,401 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:35,401 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:35,401 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:35,401 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-03 13:07:35,402 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-03 13:07:35,402 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:35,402 INFO  L85        PathProgramCache]: Analyzing trace with hash 778148188, now seen corresponding path program 1 times
[2023-11-03 13:07:35,402 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:35,402 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550983230]
[2023-11-03 13:07:35,402 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:35,402 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:35,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:35,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-03 13:07:35,453 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:35,453 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550983230]
[2023-11-03 13:07:35,453 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550983230] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:35,453 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:35,454 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-03 13:07:35,454 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226813171]
[2023-11-03 13:07:35,454 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:35,454 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:35,454 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:35,454 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:35,454 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:35,470 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 88 out of 172
[2023-11-03 13:07:35,470 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 234 flow. Second operand  has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:35,470 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:35,470 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 172
[2023-11-03 13:07:35,470 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:35,599 INFO  L130       PetriNetUnfolder]: 663/1671 cut-off events.
[2023-11-03 13:07:35,600 INFO  L131       PetriNetUnfolder]: For 1269/1279 co-relation queries the response was YES.
[2023-11-03 13:07:35,602 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 4394 conditions, 1671 events. 663/1671 cut-off events. For 1269/1279 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 11341 event pairs, 162 based on Foata normal form. 312/1943 useless extension candidates. Maximal degree in co-relation 1621. Up to 1001 conditions per place. 
[2023-11-03 13:07:35,605 INFO  L137   encePairwiseOnDemand]: 166/172 looper letters, 40 selfloop transitions, 7 changer transitions 0/58 dead transitions.
[2023-11-03 13:07:35,605 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 58 transitions, 347 flow
[2023-11-03 13:07:35,607 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:35,608 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:35,610 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions.
[2023-11-03 13:07:35,611 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5910852713178295
[2023-11-03 13:07:35,611 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 305 transitions.
[2023-11-03 13:07:35,611 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 305 transitions.
[2023-11-03 13:07:35,612 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:35,612 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 305 transitions.
[2023-11-03 13:07:35,613 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:35,615 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:35,615 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:35,615 INFO  L175             Difference]: Start difference. First operand has 51 places, 50 transitions, 234 flow. Second operand 3 states and 305 transitions.
[2023-11-03 13:07:35,615 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 58 transitions, 347 flow
[2023-11-03 13:07:35,619 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 58 transitions, 335 flow, removed 2 selfloop flow, removed 2 redundant places.
[2023-11-03 13:07:35,621 INFO  L231             Difference]: Finished difference. Result has 51 places, 44 transitions, 188 flow
[2023-11-03 13:07:35,621 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=51, PETRI_TRANSITIONS=44}
[2023-11-03 13:07:35,622 INFO  L288   CegarLoopForPetriNet]: 42 programPoint places, 9 predicate places.
[2023-11-03 13:07:35,622 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 188 flow
[2023-11-03 13:07:35,622 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:35,623 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:35,623 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1]
[2023-11-03 13:07:35,623 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-03 13:07:35,623 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2023-11-03 13:07:35,623 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:35,623 INFO  L85        PathProgramCache]: Analyzing trace with hash -1624936462, now seen corresponding path program 1 times
[2023-11-03 13:07:35,624 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:35,624 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650772762]
[2023-11-03 13:07:35,624 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:35,624 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:35,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-03 13:07:35,635 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-03 13:07:35,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-03 13:07:35,645 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-03 13:07:35,645 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-03 13:07:35,645 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining)
[2023-11-03 13:07:35,645 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining)
[2023-11-03 13:07:35,645 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining)
[2023-11-03 13:07:35,645 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining)
[2023-11-03 13:07:35,646 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining)
[2023-11-03 13:07:35,646 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining)
[2023-11-03 13:07:35,646 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining)
[2023-11-03 13:07:35,646 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-11-03 13:07:35,646 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:35,646 WARN  L233   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-11-03 13:07:35,646 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2023-11-03 13:07:35,660 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2023-11-03 13:07:35,662 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 122 places, 119 transitions, 282 flow
[2023-11-03 13:07:35,730 INFO  L130       PetriNetUnfolder]: 42/531 cut-off events.
[2023-11-03 13:07:35,731 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2023-11-03 13:07:35,731 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 586 conditions, 531 events. 42/531 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2085 event pairs, 6 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 320. Up to 32 conditions per place. 
[2023-11-03 13:07:35,732 INFO  L82        GeneralOperation]: Start removeDead. Operand has 122 places, 119 transitions, 282 flow
[2023-11-03 13:07:35,733 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 122 places, 119 transitions, 282 flow
[2023-11-03 13:07:35,733 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-03 13:07:35,733 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 119 transitions, 282 flow
[2023-11-03 13:07:35,733 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 119 transitions, 282 flow
[2023-11-03 13:07:35,733 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 122 places, 119 transitions, 282 flow
[2023-11-03 13:07:35,763 INFO  L130       PetriNetUnfolder]: 42/531 cut-off events.
[2023-11-03 13:07:35,763 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2023-11-03 13:07:35,764 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 586 conditions, 531 events. 42/531 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2085 event pairs, 6 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 320. Up to 32 conditions per place. 
[2023-11-03 13:07:35,772 INFO  L119        LiptonReduction]: Number of co-enabled transitions 6888
[2023-11-03 13:07:37,129 INFO  L134        LiptonReduction]: Checked pairs total: 17351
[2023-11-03 13:07:37,129 INFO  L136        LiptonReduction]: Total number of compositions: 76
[2023-11-03 13:07:37,131 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-03 13:07:37,132 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=LoopsAndPotentialCycles, 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;@4f846b7f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-03 13:07:37,132 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2023-11-03 13:07:37,133 INFO  L130       PetriNetUnfolder]: 0/4 cut-off events.
[2023-11-03 13:07:37,133 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-11-03 13:07:37,133 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:37,133 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2023-11-03 13:07:37,133 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:37,133 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:37,133 INFO  L85        PathProgramCache]: Analyzing trace with hash 818201, now seen corresponding path program 1 times
[2023-11-03 13:07:37,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:37,134 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715065836]
[2023-11-03 13:07:37,134 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:37,134 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:37,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:37,154 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:37,155 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:37,155 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715065836]
[2023-11-03 13:07:37,155 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715065836] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:37,155 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:37,155 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:37,155 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348061654]
[2023-11-03 13:07:37,155 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:37,155 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:37,155 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:37,156 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:37,156 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:37,169 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 106 out of 195
[2023-11-03 13:07:37,169 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 46 transitions, 136 flow. Second operand  has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:37,169 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:37,169 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 195
[2023-11-03 13:07:37,170 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:39,147 INFO  L130       PetriNetUnfolder]: 26018/38924 cut-off events.
[2023-11-03 13:07:39,147 INFO  L131       PetriNetUnfolder]: For 3846/3846 co-relation queries the response was YES.
[2023-11-03 13:07:39,189 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 76589 conditions, 38924 events. 26018/38924 cut-off events. For 3846/3846 co-relation queries the response was YES. Maximal size of possible extension queue 1210. Compared 273684 event pairs, 19152 based on Foata normal form. 0/35999 useless extension candidates. Maximal degree in co-relation 10917. Up to 35539 conditions per place. 
[2023-11-03 13:07:39,300 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 37 selfloop transitions, 2 changer transitions 0/51 dead transitions.
[2023-11-03 13:07:39,301 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 51 transitions, 224 flow
[2023-11-03 13:07:39,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:39,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:39,303 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions.
[2023-11-03 13:07:39,303 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6136752136752137
[2023-11-03 13:07:39,303 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 359 transitions.
[2023-11-03 13:07:39,303 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 359 transitions.
[2023-11-03 13:07:39,303 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:39,303 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 359 transitions.
[2023-11-03 13:07:39,304 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:39,305 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:39,305 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:39,305 INFO  L175             Difference]: Start difference. First operand has 51 places, 46 transitions, 136 flow. Second operand 3 states and 359 transitions.
[2023-11-03 13:07:39,305 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 51 transitions, 224 flow
[2023-11-03 13:07:39,307 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 51 transitions, 224 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-03 13:07:39,307 INFO  L231             Difference]: Finished difference. Result has 53 places, 46 transitions, 146 flow
[2023-11-03 13:07:39,307 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=53, PETRI_TRANSITIONS=46}
[2023-11-03 13:07:39,308 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places.
[2023-11-03 13:07:39,308 INFO  L495      AbstractCegarLoop]: Abstraction has has 53 places, 46 transitions, 146 flow
[2023-11-03 13:07:39,308 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:39,308 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:39,309 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:39,309 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-11-03 13:07:39,309 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:39,309 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:39,309 INFO  L85        PathProgramCache]: Analyzing trace with hash 461890703, now seen corresponding path program 1 times
[2023-11-03 13:07:39,309 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:39,310 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141893120]
[2023-11-03 13:07:39,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:39,310 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:39,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:39,361 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:39,362 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:39,362 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141893120]
[2023-11-03 13:07:39,362 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141893120] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:39,362 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:39,363 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:39,363 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252500170]
[2023-11-03 13:07:39,363 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:39,363 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:39,363 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:39,363 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:39,364 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:39,384 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2023-11-03 13:07:39,385 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 146 flow. Second operand  has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:39,385 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:39,385 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2023-11-03 13:07:39,385 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:44,123 INFO  L130       PetriNetUnfolder]: 63239/89865 cut-off events.
[2023-11-03 13:07:44,123 INFO  L131       PetriNetUnfolder]: For 12171/12171 co-relation queries the response was YES.
[2023-11-03 13:07:44,255 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 183282 conditions, 89865 events. 63239/89865 cut-off events. For 12171/12171 co-relation queries the response was YES. Maximal size of possible extension queue 2435. Compared 619750 event pairs, 44385 based on Foata normal form. 0/83611 useless extension candidates. Maximal degree in co-relation 183230. Up to 66785 conditions per place. 
[2023-11-03 13:07:44,542 INFO  L137   encePairwiseOnDemand]: 187/195 looper letters, 62 selfloop transitions, 7 changer transitions 0/77 dead transitions.
[2023-11-03 13:07:44,542 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 77 transitions, 383 flow
[2023-11-03 13:07:44,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:44,543 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:44,544 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions.
[2023-11-03 13:07:44,544 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.629059829059829
[2023-11-03 13:07:44,544 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 368 transitions.
[2023-11-03 13:07:44,545 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 368 transitions.
[2023-11-03 13:07:44,545 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:44,545 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 368 transitions.
[2023-11-03 13:07:44,546 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:44,547 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:44,547 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:44,547 INFO  L175             Difference]: Start difference. First operand has 53 places, 46 transitions, 146 flow. Second operand 3 states and 368 transitions.
[2023-11-03 13:07:44,547 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 77 transitions, 383 flow
[2023-11-03 13:07:44,549 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 77 transitions, 380 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-03 13:07:44,550 INFO  L231             Difference]: Finished difference. Result has 56 places, 52 transitions, 198 flow
[2023-11-03 13:07:44,550 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=56, PETRI_TRANSITIONS=52}
[2023-11-03 13:07:44,551 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 5 predicate places.
[2023-11-03 13:07:44,551 INFO  L495      AbstractCegarLoop]: Abstraction has has 56 places, 52 transitions, 198 flow
[2023-11-03 13:07:44,551 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:44,551 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:44,551 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:44,551 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2023-11-03 13:07:44,551 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:44,552 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:44,552 INFO  L85        PathProgramCache]: Analyzing trace with hash 1277334436, now seen corresponding path program 1 times
[2023-11-03 13:07:44,552 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:44,552 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178365276]
[2023-11-03 13:07:44,552 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:44,552 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:44,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:44,585 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-03 13:07:44,586 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:44,586 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178365276]
[2023-11-03 13:07:44,586 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178365276] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:44,586 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:44,586 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-03 13:07:44,586 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106688664]
[2023-11-03 13:07:44,586 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:44,587 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-03 13:07:44,587 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:44,587 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-03 13:07:44,587 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-03 13:07:44,626 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 195
[2023-11-03 13:07:44,627 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 52 transitions, 198 flow. Second operand  has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:44,627 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:44,627 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 195
[2023-11-03 13:07:44,627 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:47,829 INFO  L130       PetriNetUnfolder]: 38334/57310 cut-off events.
[2023-11-03 13:07:47,830 INFO  L131       PetriNetUnfolder]: For 24745/30975 co-relation queries the response was YES.
[2023-11-03 13:07:47,920 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 133333 conditions, 57310 events. 38334/57310 cut-off events. For 24745/30975 co-relation queries the response was YES. Maximal size of possible extension queue 1673. Compared 426467 event pairs, 21787 based on Foata normal form. 3440/57900 useless extension candidates. Maximal degree in co-relation 40685. Up to 34292 conditions per place. 
[2023-11-03 13:07:48,121 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 61 selfloop transitions, 3 changer transitions 0/78 dead transitions.
[2023-11-03 13:07:48,121 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 78 transitions, 408 flow
[2023-11-03 13:07:48,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-03 13:07:48,122 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-03 13:07:48,123 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 473 transitions.
[2023-11-03 13:07:48,124 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6064102564102564
[2023-11-03 13:07:48,124 INFO  L72            ComplementDD]: Start complementDD. Operand 4 states and 473 transitions.
[2023-11-03 13:07:48,124 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 4 states and 473 transitions.
[2023-11-03 13:07:48,124 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:48,124 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 473 transitions.
[2023-11-03 13:07:48,125 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 5 states, 4 states have (on average 118.25) internal successors, (473), 4 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:48,126 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 5 states, 5 states have (on average 195.0) internal successors, (975), 5 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:48,126 INFO  L81            ComplementDD]: Finished complementDD. Result  has 5 states, 5 states have (on average 195.0) internal successors, (975), 5 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:48,126 INFO  L175             Difference]: Start difference. First operand has 56 places, 52 transitions, 198 flow. Second operand 4 states and 473 transitions.
[2023-11-03 13:07:48,127 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 78 transitions, 408 flow
[2023-11-03 13:07:48,184 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 78 transitions, 388 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-03 13:07:48,185 INFO  L231             Difference]: Finished difference. Result has 58 places, 53 transitions, 200 flow
[2023-11-03 13:07:48,185 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=200, PETRI_PLACES=58, PETRI_TRANSITIONS=53}
[2023-11-03 13:07:48,186 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 7 predicate places.
[2023-11-03 13:07:48,186 INFO  L495      AbstractCegarLoop]: Abstraction has has 58 places, 53 transitions, 200 flow
[2023-11-03 13:07:48,186 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:48,186 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:48,186 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:48,186 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2023-11-03 13:07:48,187 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:48,187 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:48,187 INFO  L85        PathProgramCache]: Analyzing trace with hash 422619653, now seen corresponding path program 1 times
[2023-11-03 13:07:48,187 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:48,187 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818598369]
[2023-11-03 13:07:48,187 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:48,187 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:48,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:48,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-03 13:07:48,208 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:48,208 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818598369]
[2023-11-03 13:07:48,208 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818598369] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:48,208 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:48,208 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:48,208 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515856097]
[2023-11-03 13:07:48,208 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:48,209 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:48,209 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:48,209 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:48,209 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:48,234 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2023-11-03 13:07:48,234 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 53 transitions, 200 flow. Second operand  has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:48,234 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:48,234 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2023-11-03 13:07:48,234 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:53,537 INFO  L130       PetriNetUnfolder]: 61761/89630 cut-off events.
[2023-11-03 13:07:53,537 INFO  L131       PetriNetUnfolder]: For 43426/44605 co-relation queries the response was YES.
[2023-11-03 13:07:53,670 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 214372 conditions, 89630 events. 61761/89630 cut-off events. For 43426/44605 co-relation queries the response was YES. Maximal size of possible extension queue 2204. Compared 635112 event pairs, 46546 based on Foata normal form. 0/85570 useless extension candidates. Maximal degree in co-relation 77115. Up to 75594 conditions per place. 
[2023-11-03 13:07:53,979 INFO  L137   encePairwiseOnDemand]: 188/195 looper letters, 68 selfloop transitions, 10 changer transitions 0/86 dead transitions.
[2023-11-03 13:07:53,979 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 86 transitions, 483 flow
[2023-11-03 13:07:53,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:53,980 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:53,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions.
[2023-11-03 13:07:53,981 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6256410256410256
[2023-11-03 13:07:53,981 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 366 transitions.
[2023-11-03 13:07:53,981 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions.
[2023-11-03 13:07:53,981 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:53,981 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions.
[2023-11-03 13:07:53,982 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:53,983 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:53,983 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:53,983 INFO  L175             Difference]: Start difference. First operand has 58 places, 53 transitions, 200 flow. Second operand 3 states and 366 transitions.
[2023-11-03 13:07:53,983 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 86 transitions, 483 flow
[2023-11-03 13:07:54,201 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 86 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-03 13:07:54,203 INFO  L231             Difference]: Finished difference. Result has 59 places, 61 transitions, 278 flow
[2023-11-03 13:07:54,203 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=59, PETRI_TRANSITIONS=61}
[2023-11-03 13:07:54,203 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 8 predicate places.
[2023-11-03 13:07:54,204 INFO  L495      AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 278 flow
[2023-11-03 13:07:54,204 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:54,204 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:54,204 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:54,204 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2023-11-03 13:07:54,204 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:54,204 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:54,205 INFO  L85        PathProgramCache]: Analyzing trace with hash 1345369614, now seen corresponding path program 1 times
[2023-11-03 13:07:54,205 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:54,205 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914799499]
[2023-11-03 13:07:54,205 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:54,205 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:54,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:54,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-03 13:07:54,254 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:54,254 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914799499]
[2023-11-03 13:07:54,255 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914799499] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:54,255 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:54,255 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-03 13:07:54,255 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4386507]
[2023-11-03 13:07:54,256 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:54,256 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:54,256 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:54,257 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:54,257 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:54,282 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2023-11-03 13:07:54,282 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 278 flow. Second operand  has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:54,282 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:54,283 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2023-11-03 13:07:54,283 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:54,776 INFO  L130       PetriNetUnfolder]: 2892/6733 cut-off events.
[2023-11-03 13:07:54,776 INFO  L131       PetriNetUnfolder]: For 5552/5590 co-relation queries the response was YES.
[2023-11-03 13:07:54,786 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 17320 conditions, 6733 events. 2892/6733 cut-off events. For 5552/5590 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 57260 event pairs, 659 based on Foata normal form. 2073/8642 useless extension candidates. Maximal degree in co-relation 6273. Up to 4336 conditions per place. 
[2023-11-03 13:07:54,801 INFO  L137   encePairwiseOnDemand]: 187/195 looper letters, 47 selfloop transitions, 9 changer transitions 0/68 dead transitions.
[2023-11-03 13:07:54,802 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 410 flow
[2023-11-03 13:07:54,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:54,803 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:54,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions.
[2023-11-03 13:07:54,803 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6
[2023-11-03 13:07:54,803 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 351 transitions.
[2023-11-03 13:07:54,803 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions.
[2023-11-03 13:07:54,804 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:54,804 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions.
[2023-11-03 13:07:54,804 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:54,805 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:54,806 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:54,806 INFO  L175             Difference]: Start difference. First operand has 59 places, 61 transitions, 278 flow. Second operand 3 states and 351 transitions.
[2023-11-03 13:07:54,806 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 68 transitions, 410 flow
[2023-11-03 13:07:54,817 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 68 transitions, 403 flow, removed 2 selfloop flow, removed 1 redundant places.
[2023-11-03 13:07:54,817 INFO  L231             Difference]: Finished difference. Result has 60 places, 52 transitions, 226 flow
[2023-11-03 13:07:54,818 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=60, PETRI_TRANSITIONS=52}
[2023-11-03 13:07:54,818 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 9 predicate places.
[2023-11-03 13:07:54,818 INFO  L495      AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 226 flow
[2023-11-03 13:07:54,818 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:54,819 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:54,819 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:54,819 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2023-11-03 13:07:54,819 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:54,819 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:54,819 INFO  L85        PathProgramCache]: Analyzing trace with hash 1727818670, now seen corresponding path program 1 times
[2023-11-03 13:07:54,819 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:54,819 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14427186]
[2023-11-03 13:07:54,820 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:54,820 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:54,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:54,840 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2023-11-03 13:07:54,841 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:54,841 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14427186]
[2023-11-03 13:07:54,841 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14427186] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:54,841 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:54,841 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:54,841 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293198375]
[2023-11-03 13:07:54,841 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:54,841 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:54,842 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:54,842 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:54,842 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:54,867 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2023-11-03 13:07:54,868 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 226 flow. Second operand  has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:54,868 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:54,868 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2023-11-03 13:07:54,868 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:55,386 INFO  L130       PetriNetUnfolder]: 3391/7796 cut-off events.
[2023-11-03 13:07:55,387 INFO  L131       PetriNetUnfolder]: For 6336/6374 co-relation queries the response was YES.
[2023-11-03 13:07:55,398 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 20996 conditions, 7796 events. 3391/7796 cut-off events. For 6336/6374 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 65692 event pairs, 3007 based on Foata normal form. 0/7409 useless extension candidates. Maximal degree in co-relation 5279. Up to 6329 conditions per place. 
[2023-11-03 13:07:55,414 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 54 selfloop transitions, 3 changer transitions 0/65 dead transitions.
[2023-11-03 13:07:55,414 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 65 transitions, 400 flow
[2023-11-03 13:07:55,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:55,415 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:55,415 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions.
[2023-11-03 13:07:55,416 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5982905982905983
[2023-11-03 13:07:55,416 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 350 transitions.
[2023-11-03 13:07:55,416 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 350 transitions.
[2023-11-03 13:07:55,416 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:55,416 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 350 transitions.
[2023-11-03 13:07:55,417 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:55,417 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:55,418 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:55,418 INFO  L175             Difference]: Start difference. First operand has 60 places, 52 transitions, 226 flow. Second operand 3 states and 350 transitions.
[2023-11-03 13:07:55,418 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 65 transitions, 400 flow
[2023-11-03 13:07:55,424 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 65 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-03 13:07:55,425 INFO  L231             Difference]: Finished difference. Result has 62 places, 54 transitions, 242 flow
[2023-11-03 13:07:55,425 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=62, PETRI_TRANSITIONS=54}
[2023-11-03 13:07:55,425 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 11 predicate places.
[2023-11-03 13:07:55,425 INFO  L495      AbstractCegarLoop]: Abstraction has has 62 places, 54 transitions, 242 flow
[2023-11-03 13:07:55,425 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:55,425 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:55,426 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:55,426 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2023-11-03 13:07:55,426 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:55,426 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:55,426 INFO  L85        PathProgramCache]: Analyzing trace with hash 948274906, now seen corresponding path program 1 times
[2023-11-03 13:07:55,426 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:55,426 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393382129]
[2023-11-03 13:07:55,426 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:55,426 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:55,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:55,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-03 13:07:55,453 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:55,453 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393382129]
[2023-11-03 13:07:55,453 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393382129] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:55,453 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:55,454 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:55,454 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766545580]
[2023-11-03 13:07:55,454 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:55,454 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:55,454 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:55,454 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:55,454 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:55,472 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 102 out of 195
[2023-11-03 13:07:55,472 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 54 transitions, 242 flow. Second operand  has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:55,472 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:55,473 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 195
[2023-11-03 13:07:55,473 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:56,187 INFO  L130       PetriNetUnfolder]: 4657/10054 cut-off events.
[2023-11-03 13:07:56,187 INFO  L131       PetriNetUnfolder]: For 8934/8991 co-relation queries the response was YES.
[2023-11-03 13:07:56,201 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 27767 conditions, 10054 events. 4657/10054 cut-off events. For 8934/8991 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 83633 event pairs, 2809 based on Foata normal form. 0/9753 useless extension candidates. Maximal degree in co-relation 9817. Up to 6857 conditions per place. 
[2023-11-03 13:07:56,216 INFO  L137   encePairwiseOnDemand]: 188/195 looper letters, 60 selfloop transitions, 9 changer transitions 0/76 dead transitions.
[2023-11-03 13:07:56,217 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 76 transitions, 460 flow
[2023-11-03 13:07:56,217 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:56,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:56,218 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions.
[2023-11-03 13:07:56,218 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6273504273504273
[2023-11-03 13:07:56,218 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 367 transitions.
[2023-11-03 13:07:56,219 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions.
[2023-11-03 13:07:56,219 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:56,219 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions.
[2023-11-03 13:07:56,220 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:56,221 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:56,221 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:56,221 INFO  L175             Difference]: Start difference. First operand has 62 places, 54 transitions, 242 flow. Second operand 3 states and 367 transitions.
[2023-11-03 13:07:56,221 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 76 transitions, 460 flow
[2023-11-03 13:07:56,228 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 76 transitions, 451 flow, removed 2 selfloop flow, removed 1 redundant places.
[2023-11-03 13:07:56,229 INFO  L231             Difference]: Finished difference. Result has 65 places, 59 transitions, 311 flow
[2023-11-03 13:07:56,229 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=65, PETRI_TRANSITIONS=59}
[2023-11-03 13:07:56,229 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 14 predicate places.
[2023-11-03 13:07:56,229 INFO  L495      AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 311 flow
[2023-11-03 13:07:56,230 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:56,230 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:56,230 INFO  L209   CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:56,230 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2023-11-03 13:07:56,230 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:56,230 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:56,230 INFO  L85        PathProgramCache]: Analyzing trace with hash 441686513, now seen corresponding path program 1 times
[2023-11-03 13:07:56,231 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:56,231 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819011434]
[2023-11-03 13:07:56,231 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:56,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:56,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:56,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:56,303 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:56,303 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819011434]
[2023-11-03 13:07:56,304 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819011434] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-03 13:07:56,304 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202840107]
[2023-11-03 13:07:56,304 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:56,304 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-03 13:07:56,304 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-11-03 13:07:56,306 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-03 13:07:56,309 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-03 13:07:56,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:56,381 INFO  L263         TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-11-03 13:07:56,383 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-11-03 13:07:56,551 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-03 13:07:56,552 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-03 13:07:56,552 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [202840107] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:56,552 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-03 13:07:56,552 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11
[2023-11-03 13:07:56,552 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879348703]
[2023-11-03 13:07:56,553 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:56,553 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-03 13:07:56,553 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:56,553 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-03 13:07:56,554 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132
[2023-11-03 13:07:56,592 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 105 out of 195
[2023-11-03 13:07:56,592 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 311 flow. Second operand  has 7 states, 7 states have (on average 107.0) internal successors, (749), 7 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:56,592 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:56,593 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 195
[2023-11-03 13:07:56,593 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:57,292 INFO  L130       PetriNetUnfolder]: 3751/9031 cut-off events.
[2023-11-03 13:07:57,292 INFO  L131       PetriNetUnfolder]: For 9473/10229 co-relation queries the response was YES.
[2023-11-03 13:07:57,308 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 25852 conditions, 9031 events. 3751/9031 cut-off events. For 9473/10229 co-relation queries the response was YES. Maximal size of possible extension queue 373. Compared 80588 event pairs, 496 based on Foata normal form. 556/9451 useless extension candidates. Maximal degree in co-relation 11816. Up to 5598 conditions per place. 
[2023-11-03 13:07:57,324 INFO  L137   encePairwiseOnDemand]: 192/195 looper letters, 109 selfloop transitions, 5 changer transitions 10/139 dead transitions.
[2023-11-03 13:07:57,324 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 139 transitions, 899 flow
[2023-11-03 13:07:57,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-03 13:07:57,325 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-03 13:07:57,326 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 837 transitions.
[2023-11-03 13:07:57,326 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6131868131868132
[2023-11-03 13:07:57,326 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 837 transitions.
[2023-11-03 13:07:57,326 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 837 transitions.
[2023-11-03 13:07:57,327 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:57,327 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 837 transitions.
[2023-11-03 13:07:57,328 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 119.57142857142857) internal successors, (837), 7 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)
[2023-11-03 13:07:57,330 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:57,330 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:57,330 INFO  L175             Difference]: Start difference. First operand has 65 places, 59 transitions, 311 flow. Second operand 7 states and 837 transitions.
[2023-11-03 13:07:57,331 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 139 transitions, 899 flow
[2023-11-03 13:07:57,345 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 139 transitions, 861 flow, removed 0 selfloop flow, removed 4 redundant places.
[2023-11-03 13:07:57,347 INFO  L231             Difference]: Finished difference. Result has 67 places, 60 transitions, 300 flow
[2023-11-03 13:07:57,347 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=300, PETRI_PLACES=67, PETRI_TRANSITIONS=60}
[2023-11-03 13:07:57,347 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 16 predicate places.
[2023-11-03 13:07:57,347 INFO  L495      AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 300 flow
[2023-11-03 13:07:57,348 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 107.0) internal successors, (749), 7 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:57,348 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:57,348 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:57,358 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-03 13:07:57,548 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2023-11-03 13:07:57,549 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:57,550 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:57,550 INFO  L85        PathProgramCache]: Analyzing trace with hash 446996961, now seen corresponding path program 1 times
[2023-11-03 13:07:57,551 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:57,551 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612117044]
[2023-11-03 13:07:57,551 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:57,551 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:57,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:57,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2023-11-03 13:07:57,577 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:57,577 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612117044]
[2023-11-03 13:07:57,577 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612117044] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-03 13:07:57,577 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-03 13:07:57,577 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-03 13:07:57,577 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035138849]
[2023-11-03 13:07:57,577 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-03 13:07:57,578 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-03 13:07:57,578 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:57,578 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-03 13:07:57,578 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-03 13:07:57,603 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 195
[2023-11-03 13:07:57,604 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 300 flow. Second operand  has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:57,604 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:57,604 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 195
[2023-11-03 13:07:57,604 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:58,253 INFO  L130       PetriNetUnfolder]: 4370/10023 cut-off events.
[2023-11-03 13:07:58,254 INFO  L131       PetriNetUnfolder]: For 12467/12545 co-relation queries the response was YES.
[2023-11-03 13:07:58,270 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 29616 conditions, 10023 events. 4370/10023 cut-off events. For 12467/12545 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 88390 event pairs, 3427 based on Foata normal form. 0/9748 useless extension candidates. Maximal degree in co-relation 6410. Up to 8591 conditions per place. 
[2023-11-03 13:07:58,287 INFO  L137   encePairwiseOnDemand]: 191/195 looper letters, 58 selfloop transitions, 4 changer transitions 1/71 dead transitions.
[2023-11-03 13:07:58,287 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 71 transitions, 480 flow
[2023-11-03 13:07:58,287 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-03 13:07:58,287 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-03 13:07:58,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions.
[2023-11-03 13:07:58,289 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5948717948717949
[2023-11-03 13:07:58,289 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 348 transitions.
[2023-11-03 13:07:58,289 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 348 transitions.
[2023-11-03 13:07:58,289 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:58,289 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 348 transitions.
[2023-11-03 13:07:58,290 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:58,290 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:58,291 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:58,291 INFO  L175             Difference]: Start difference. First operand has 67 places, 60 transitions, 300 flow. Second operand 3 states and 348 transitions.
[2023-11-03 13:07:58,291 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 71 transitions, 480 flow
[2023-11-03 13:07:58,297 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 71 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-03 13:07:58,298 INFO  L231             Difference]: Finished difference. Result has 68 places, 62 transitions, 329 flow
[2023-11-03 13:07:58,298 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=329, PETRI_PLACES=68, PETRI_TRANSITIONS=62}
[2023-11-03 13:07:58,298 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 17 predicate places.
[2023-11-03 13:07:58,298 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 62 transitions, 329 flow
[2023-11-03 13:07:58,299 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:58,299 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:58,299 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:58,299 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2023-11-03 13:07:58,299 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:58,299 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:58,299 INFO  L85        PathProgramCache]: Analyzing trace with hash -1700190220, now seen corresponding path program 1 times
[2023-11-03 13:07:58,299 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:58,299 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53661951]
[2023-11-03 13:07:58,300 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:58,300 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:58,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:58,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-03 13:07:58,358 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:58,358 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53661951]
[2023-11-03 13:07:58,358 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53661951] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-03 13:07:58,358 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674395231]
[2023-11-03 13:07:58,358 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:58,358 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-03 13:07:58,358 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-11-03 13:07:58,359 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-03 13:07:58,360 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-03 13:07:58,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:58,425 INFO  L263         TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-03 13:07:58,426 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-11-03 13:07:58,497 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-03 13:07:58,497 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-11-03 13:07:58,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-03 13:07:58,530 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674395231] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-03 13:07:58,530 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-03 13:07:58,530 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8
[2023-11-03 13:07:58,531 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730452673]
[2023-11-03 13:07:58,531 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-03 13:07:58,531 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-11-03 13:07:58,531 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:58,531 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-11-03 13:07:58,532 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72
[2023-11-03 13:07:58,577 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 103 out of 195
[2023-11-03 13:07:58,579 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 62 transitions, 329 flow. Second operand  has 9 states, 9 states have (on average 107.0) internal successors, (963), 9 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:58,579 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:58,579 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 195
[2023-11-03 13:07:58,579 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:07:59,173 INFO  L130       PetriNetUnfolder]: 3198/7514 cut-off events.
[2023-11-03 13:07:59,173 INFO  L131       PetriNetUnfolder]: For 9553/10123 co-relation queries the response was YES.
[2023-11-03 13:07:59,186 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 21885 conditions, 7514 events. 3198/7514 cut-off events. For 9553/10123 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 64512 event pairs, 427 based on Foata normal form. 369/7645 useless extension candidates. Maximal degree in co-relation 7441. Up to 5705 conditions per place. 
[2023-11-03 13:07:59,197 INFO  L137   encePairwiseOnDemand]: 192/195 looper letters, 86 selfloop transitions, 5 changer transitions 0/106 dead transitions.
[2023-11-03 13:07:59,198 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 106 transitions, 663 flow
[2023-11-03 13:07:59,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-03 13:07:59,198 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-03 13:07:59,199 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 701 transitions.
[2023-11-03 13:07:59,199 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5991452991452991
[2023-11-03 13:07:59,200 INFO  L72            ComplementDD]: Start complementDD. Operand 6 states and 701 transitions.
[2023-11-03 13:07:59,200 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 6 states and 701 transitions.
[2023-11-03 13:07:59,200 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:07:59,200 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 701 transitions.
[2023-11-03 13:07:59,201 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 7 states, 6 states have (on average 116.83333333333333) internal successors, (701), 6 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:59,202 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 7 states, 7 states have (on average 195.0) internal successors, (1365), 7 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:59,203 INFO  L81            ComplementDD]: Finished complementDD. Result  has 7 states, 7 states have (on average 195.0) internal successors, (1365), 7 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:59,203 INFO  L175             Difference]: Start difference. First operand has 68 places, 62 transitions, 329 flow. Second operand 6 states and 701 transitions.
[2023-11-03 13:07:59,203 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 106 transitions, 663 flow
[2023-11-03 13:07:59,214 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 106 transitions, 645 flow, removed 6 selfloop flow, removed 1 redundant places.
[2023-11-03 13:07:59,215 INFO  L231             Difference]: Finished difference. Result has 75 places, 62 transitions, 335 flow
[2023-11-03 13:07:59,215 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=335, PETRI_PLACES=75, PETRI_TRANSITIONS=62}
[2023-11-03 13:07:59,216 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 24 predicate places.
[2023-11-03 13:07:59,216 INFO  L495      AbstractCegarLoop]: Abstraction has has 75 places, 62 transitions, 335 flow
[2023-11-03 13:07:59,216 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 107.0) internal successors, (963), 9 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:59,217 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-03 13:07:59,217 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:07:59,224 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2023-11-03 13:07:59,417 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,3 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-03 13:07:59,418 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] ===
[2023-11-03 13:07:59,419 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-03 13:07:59,419 INFO  L85        PathProgramCache]: Analyzing trace with hash 1531619191, now seen corresponding path program 1 times
[2023-11-03 13:07:59,419 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-03 13:07:59,419 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987544163]
[2023-11-03 13:07:59,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:59,419 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-03 13:07:59,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:59,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2023-11-03 13:07:59,496 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-03 13:07:59,496 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987544163]
[2023-11-03 13:07:59,496 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987544163] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-03 13:07:59,496 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318460890]
[2023-11-03 13:07:59,496 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-03 13:07:59,496 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-03 13:07:59,497 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-11-03 13:07:59,497 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-03 13:07:59,499 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-03 13:07:59,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-03 13:07:59,579 INFO  L263         TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-03 13:07:59,582 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-11-03 13:07:59,665 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2023-11-03 13:07:59,666 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-11-03 13:07:59,723 INFO  L134       CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2023-11-03 13:07:59,724 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [318460890] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-03 13:07:59,724 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-03 13:07:59,724 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9
[2023-11-03 13:07:59,724 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393227404]
[2023-11-03 13:07:59,724 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-03 13:07:59,724 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-03 13:07:59,724 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-03 13:07:59,725 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-03 13:07:59,725 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90
[2023-11-03 13:07:59,824 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 103 out of 195
[2023-11-03 13:07:59,825 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 62 transitions, 335 flow. Second operand  has 10 states, 10 states have (on average 107.1) internal successors, (1071), 10 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:07:59,825 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-03 13:07:59,825 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 195
[2023-11-03 13:07:59,825 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-03 13:08:00,440 INFO  L130       PetriNetUnfolder]: 1745/3788 cut-off events.
[2023-11-03 13:08:00,440 INFO  L131       PetriNetUnfolder]: For 8557/8994 co-relation queries the response was YES.
[2023-11-03 13:08:00,447 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 10829 conditions, 3788 events. 1745/3788 cut-off events. For 8557/8994 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 25893 event pairs, 357 based on Foata normal form. 615/4402 useless extension candidates. Maximal degree in co-relation 4865. Up to 1090 conditions per place. 
[2023-11-03 13:08:00,450 INFO  L137   encePairwiseOnDemand]: 190/195 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions.
[2023-11-03 13:08:00,450 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 129 transitions, 778 flow
[2023-11-03 13:08:00,450 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-03 13:08:00,450 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-03 13:08:00,452 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 844 transitions.
[2023-11-03 13:08:00,452 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6183150183150183
[2023-11-03 13:08:00,452 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 844 transitions.
[2023-11-03 13:08:00,452 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 844 transitions.
[2023-11-03 13:08:00,453 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-03 13:08:00,453 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 844 transitions.
[2023-11-03 13:08:00,454 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 120.57142857142857) internal successors, (844), 7 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:08:00,456 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:08:00,456 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 195.0) internal successors, (1560), 8 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:08:00,456 INFO  L175             Difference]: Start difference. First operand has 75 places, 62 transitions, 335 flow. Second operand 7 states and 844 transitions.
[2023-11-03 13:08:00,456 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 129 transitions, 778 flow
[2023-11-03 13:08:00,461 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 129 transitions, 683 flow, removed 28 selfloop flow, removed 10 redundant places.
[2023-11-03 13:08:00,461 INFO  L231             Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow
[2023-11-03 13:08:00,462 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0}
[2023-11-03 13:08:00,462 INFO  L288   CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places.
[2023-11-03 13:08:00,462 INFO  L495      AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow
[2023-11-03 13:08:00,463 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 107.1) internal successors, (1071), 10 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-03 13:08:00,463 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining)
[2023-11-03 13:08:00,463 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2023-11-03 13:08:00,463 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining)
[2023-11-03 13:08:00,463 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2023-11-03 13:08:00,463 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2023-11-03 13:08:00,463 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2023-11-03 13:08:00,463 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2023-11-03 13:08:00,464 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2023-11-03 13:08:00,471 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-03 13:08:00,664 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23
[2023-11-03 13:08:00,664 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-03 13:08:00,669 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances
[2023-11-03 13:08:00,669 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-03 13:08:00,677 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:08:00 BasicIcfg
[2023-11-03 13:08:00,677 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-03 13:08:00,678 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-03 13:08:00,678 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2023-11-03 13:08:00,678 INFO  L275        PluginConnector]: Witness Printer initialized
[2023-11-03 13:08:00,679 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:07:27" (3/4) ...
[2023-11-03 13:08:00,682 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-03 13:08:00,790 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread
[2023-11-03 13:08:00,794 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-03 13:08:00,794 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-03 13:08:00,794 INFO  L961   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-03 13:08:00,903 INFO  L141         WitnessManager]: Wrote witness to /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/witness.graphml
[2023-11-03 13:08:00,903 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-03 13:08:00,904 INFO  L158              Benchmark]: Toolchain (without parser) took 33638.57ms. Allocated memory was 192.9MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 156.8MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB.
[2023-11-03 13:08:00,904 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 192.9MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-03 13:08:00,904 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 316.70ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 138.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-03 13:08:00,904 INFO  L158              Benchmark]: Boogie Procedure Inliner took 30.57ms. Allocated memory is still 192.9MB. Free memory was 138.0MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-03 13:08:00,905 INFO  L158              Benchmark]: Boogie Preprocessor took 21.01ms. Allocated memory is still 192.9MB. Free memory was 135.9MB in the beginning and 134.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-03 13:08:00,905 INFO  L158              Benchmark]: RCFGBuilder took 339.91ms. Allocated memory is still 192.9MB. Free memory was 134.5MB in the beginning and 121.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-03 13:08:00,905 INFO  L158              Benchmark]: TraceAbstraction took 32697.52ms. Allocated memory was 192.9MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 120.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB.
[2023-11-03 13:08:00,905 INFO  L158              Benchmark]: Witness Printer took 225.55ms. Allocated memory is still 5.1GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-03 13:08:00,907 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 192.9MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 316.70ms. Allocated memory is still 192.9MB. Free memory was 156.7MB in the beginning and 138.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 30.57ms. Allocated memory is still 192.9MB. Free memory was 138.0MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 21.01ms. Allocated memory is still 192.9MB. Free memory was 135.9MB in the beginning and 134.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 339.91ms. Allocated memory is still 192.9MB. Free memory was 134.5MB in the beginning and 121.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 32697.52ms. Allocated memory was 192.9MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 120.5MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB.
 * Witness Printer took 225.55ms. Allocated memory is still 5.1GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 1.5s, 71 PlacesBefore, 20 PlacesAfterwards, 71 TransitionsBefore, 18 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 6 FixpointIterations, 21 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 57 TotalNumberOfCompositions, 1633 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1004, independent: 917, independent conditional: 0, independent unconditional: 917, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, independent: 461, independent conditional: 0, independent unconditional: 461, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1004, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 1.2s, 88 PlacesBefore, 33 PlacesAfterwards, 87 TransitionsBefore, 30 TransitionsAfterwards, 2492 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 60 TotalNumberOfCompositions, 5801 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3531, independent: 3364, independent conditional: 0, independent unconditional: 3364, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1320, independent: 1291, independent conditional: 0, independent unconditional: 1291, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3531, independent: 2073, independent conditional: 0, independent unconditional: 2073, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , Statistics on independence cache: Total cache size (in pairs): 163, Positive cache size: 148, Positive conditional cache size: 0, Positive unconditional cache size: 148, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 1.1s, 105 PlacesBefore, 42 PlacesAfterwards, 103 TransitionsBefore, 38 TransitionsAfterwards, 4452 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 69 TotalNumberOfCompositions, 10175 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5900, independent: 5702, independent conditional: 0, independent unconditional: 5702, dependent: 198, dependent conditional: 0, dependent unconditional: 198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2314, independent: 2274, independent conditional: 0, independent unconditional: 2274, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5900, independent: 3428, independent conditional: 0, independent unconditional: 3428, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 2314, unknown conditional: 0, unknown unconditional: 2314] , Statistics on independence cache: Total cache size (in pairs): 248, Positive cache size: 226, Positive conditional cache size: 0, Positive unconditional cache size: 226, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 1.4s, 122 PlacesBefore, 51 PlacesAfterwards, 119 TransitionsBefore, 46 TransitionsAfterwards, 6888 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 76 TotalNumberOfCompositions, 17351 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8408, independent: 8146, independent conditional: 0, independent unconditional: 8146, dependent: 262, dependent conditional: 0, dependent unconditional: 262, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3461, independent: 3401, independent conditional: 0, independent unconditional: 3401, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8408, independent: 4745, independent conditional: 0, independent unconditional: 4745, dependent: 202, dependent conditional: 0, dependent unconditional: 202, unknown: 3461, unknown conditional: 0, unknown unconditional: 3461] , Statistics on independence cache: Total cache size (in pairs): 384, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - PositiveResult [Line: 691]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 689]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 678]: there are no data races
    For all program executions holds that there are no data races at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 84 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 20 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
    CFG has 4 procedures, 99 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 13 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=3, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances
    CFG has 5 procedures, 114 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 419 IncrementalHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 2 mSDtfsCounter, 419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances
    CFG has 6 procedures, 129 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 25.0s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1029 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 781 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1683 IncrementalHoareTripleChecker+Invalid, 1739 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 56 mSDtfsCounter, 1683 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=335occurred in iteration=10, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 916 SizeOfPredicates, 6 NumberOfNonLiveVariables, 456 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 171/205 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    3 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-03 13:08:00,928 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
