/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_84-list2_racing2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:29:00,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:29:01,054 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 02:29:01,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:29:01,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:29:01,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:29:01,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:29:01,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:29:01,080 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:29:01,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:29:01,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:29:01,083 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:29:01,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:29:01,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:29:01,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:29:01,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:29:01,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:29:01,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:29:01,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:29:01,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:29:01,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:29:01,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:29:01,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:29:01,086 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:29:01,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:29:01,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:29:01,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:29:01,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:29:01,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:29:01,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:29:01,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:29:01,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:29:01,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:29:01,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:29:01,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:29:01,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:29:01,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:29:01,258 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:29:01,258 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:29:01,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_84-list2_racing2.i [2023-11-30 02:29:02,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:29:02,468 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:29:02,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_84-list2_racing2.i [2023-11-30 02:29:02,481 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0162345b4/2f52fef7b22043c7b61433444e237847/FLAGaf668e57e [2023-11-30 02:29:02,852 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0162345b4/2f52fef7b22043c7b61433444e237847 [2023-11-30 02:29:02,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:29:02,854 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:29:02,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:29:02,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:29:02,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:29:02,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:29:02" (1/1) ... [2023-11-30 02:29:02,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620db87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:02, skipping insertion in model container [2023-11-30 02:29:02,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:29:02" (1/1) ... [2023-11-30 02:29:02,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:29:03,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:29:03,350 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:29:03,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:29:03,423 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:29:03,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03 WrapperNode [2023-11-30 02:29:03,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:29:03,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:29:03,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:29:03,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:29:03,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,518 INFO L138 Inliner]: procedures = 280, calls = 99, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 645 [2023-11-30 02:29:03,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:29:03,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:29:03,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:29:03,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:29:03,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,623 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:29:03,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:29:03,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:29:03,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:29:03,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (1/1) ... [2023-11-30 02:29:03,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:29:03,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:29:03,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 02:29:03,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 02:29:03,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:29:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-30 02:29:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-30 02:29:03,721 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-30 02:29:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:29:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 02:29:03,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 02:29:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-30 02:29:03,722 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-30 02:29:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:29:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 02:29:03,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-30 02:29:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:29:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-30 02:29:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-11-30 02:29:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-11-30 02:29:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:29:03,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:29:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:29:03,725 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 02:29:03,897 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:29:03,899 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:29:04,442 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:29:04,474 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:29:04,474 INFO L309 CfgBuilder]: Removed 29 assume(true) statements. [2023-11-30 02:29:04,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:29:04 BoogieIcfgContainer [2023-11-30 02:29:04,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:29:04,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:29:04,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:29:04,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:29:04,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:29:02" (1/3) ... [2023-11-30 02:29:04,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0303e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:29:04, skipping insertion in model container [2023-11-30 02:29:04,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:29:03" (2/3) ... [2023-11-30 02:29:04,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0303e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:29:04, skipping insertion in model container [2023-11-30 02:29:04,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:29:04" (3/3) ... [2023-11-30 02:29:04,480 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_84-list2_racing2.i [2023-11-30 02:29:04,491 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:29:04,491 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-11-30 02:29:04,491 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:29:04,622 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-11-30 02:29:04,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 647 places, 691 transitions, 1421 flow [2023-11-30 02:29:05,342 INFO L124 PetriNetUnfolderBase]: 195/2448 cut-off events. [2023-11-30 02:29:05,344 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-11-30 02:29:05,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2502 conditions, 2448 events. 195/2448 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 17991 event pairs, 0 based on Foata normal form. 0/2108 useless extension candidates. Maximal degree in co-relation 1240. Up to 16 conditions per place. [2023-11-30 02:29:05,393 INFO L82 GeneralOperation]: Start removeDead. Operand has 647 places, 691 transitions, 1421 flow [2023-11-30 02:29:05,424 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 647 places, 691 transitions, 1421 flow [2023-11-30 02:29:05,435 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:29:05,439 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54a289a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:29:05,439 INFO L363 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2023-11-30 02:29:05,444 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:29:05,444 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2023-11-30 02:29:05,444 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:29:05,444 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:29:05,444 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:29:05,445 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-11-30 02:29:05,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:29:05,448 INFO L85 PathProgramCache]: Analyzing trace with hash 611291814, now seen corresponding path program 1 times [2023-11-30 02:29:05,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:29:05,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936595340] [2023-11-30 02:29:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:29:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:29:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:29:05,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:29:05,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:29:05,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936595340] [2023-11-30 02:29:05,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936595340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:29:05,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:29:05,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:29:05,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631803699] [2023-11-30 02:29:05,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:29:05,677 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:29:05,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:29:05,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:29:05,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:29:05,705 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 691 [2023-11-30 02:29:05,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 691 transitions, 1421 flow. Second operand has 3 states, 3 states have (on average 600.3333333333334) internal successors, (1801), 3 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:29:05,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:29:05,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 691 [2023-11-30 02:29:05,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:29:38,215 INFO L124 PetriNetUnfolderBase]: 30253/176499 cut-off events. [2023-11-30 02:29:38,215 INFO L125 PetriNetUnfolderBase]: For 3830/3830 co-relation queries the response was YES. [2023-11-30 02:29:40,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218745 conditions, 176499 events. 30253/176499 cut-off events. For 3830/3830 co-relation queries the response was YES. Maximal size of possible extension queue 2302. Compared 2971015 event pairs, 27954 based on Foata normal form. 21467/178235 useless extension candidates. Maximal degree in co-relation 178518. Up to 40775 conditions per place. [2023-11-30 02:29:41,032 INFO L140 encePairwiseOnDemand]: 655/691 looper letters, 54 selfloop transitions, 2 changer transitions 0/651 dead transitions. [2023-11-30 02:29:41,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 651 transitions, 1453 flow [2023-11-30 02:29:41,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:29:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:29:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1887 transitions. [2023-11-30 02:29:41,045 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.91027496382055 [2023-11-30 02:29:41,045 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1887 transitions. [2023-11-30 02:29:41,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1887 transitions. [2023-11-30 02:29:41,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:29:41,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1887 transitions. [2023-11-30 02:29:41,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 629.0) internal successors, (1887), 3 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:29:41,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 691.0) internal successors, (2764), 4 states have internal predecessors, (2764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:29:41,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 691.0) internal successors, (2764), 4 states have internal predecessors, (2764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:29:41,063 INFO L307 CegarLoopForPetriNet]: 647 programPoint places, -5 predicate places. [2023-11-30 02:29:41,063 INFO L500 AbstractCegarLoop]: Abstraction has has 642 places, 651 transitions, 1453 flow [2023-11-30 02:29:41,064 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 600.3333333333334) internal successors, (1801), 3 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:29:41,064 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:29:41,064 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:29:41,064 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:29:41,064 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-11-30 02:29:41,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:29:41,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1768269888, now seen corresponding path program 1 times [2023-11-30 02:29:41,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:29:41,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605496460] [2023-11-30 02:29:41,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:29:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:29:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:29:41,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:29:41,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:29:41,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605496460] [2023-11-30 02:29:41,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605496460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:29:41,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:29:41,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:29:41,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257617489] [2023-11-30 02:29:41,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:29:41,104 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:29:41,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:29:41,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:29:41,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:29:41,106 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 603 out of 691 [2023-11-30 02:29:41,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 651 transitions, 1453 flow. Second operand has 3 states, 3 states have (on average 604.3333333333334) internal successors, (1813), 3 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:29:41,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:29:41,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 603 of 691 [2023-11-30 02:29:41,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:30:06,468 INFO L124 PetriNetUnfolderBase]: 21585/144126 cut-off events. [2023-11-30 02:30:06,468 INFO L125 PetriNetUnfolderBase]: For 14555/22665 co-relation queries the response was YES. [2023-11-30 02:30:08,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202083 conditions, 144126 events. 21585/144126 cut-off events. For 14555/22665 co-relation queries the response was YES. Maximal size of possible extension queue 1787. Compared 2398842 event pairs, 19574 based on Foata normal form. 0/131975 useless extension candidates. Maximal degree in co-relation 162218. Up to 28945 conditions per place. [2023-11-30 02:30:09,441 INFO L140 encePairwiseOnDemand]: 686/691 looper letters, 47 selfloop transitions, 1 changer transitions 0/647 dead transitions. [2023-11-30 02:30:09,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 647 transitions, 1533 flow [2023-11-30 02:30:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:30:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:30:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1861 transitions. [2023-11-30 02:30:09,444 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8977327544621322 [2023-11-30 02:30:09,444 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1861 transitions. [2023-11-30 02:30:09,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1861 transitions. [2023-11-30 02:30:09,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:30:09,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1861 transitions. [2023-11-30 02:30:09,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 620.3333333333334) internal successors, (1861), 3 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:30:09,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 691.0) internal successors, (2764), 4 states have internal predecessors, (2764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:30:09,452 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 691.0) internal successors, (2764), 4 states have internal predecessors, (2764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:30:09,452 INFO L307 CegarLoopForPetriNet]: 647 programPoint places, -7 predicate places. [2023-11-30 02:30:09,453 INFO L500 AbstractCegarLoop]: Abstraction has has 640 places, 647 transitions, 1533 flow [2023-11-30 02:30:09,454 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 604.3333333333334) internal successors, (1813), 3 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:30:09,454 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:30:09,454 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:30:09,454 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:30:09,454 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 63 more)] === [2023-11-30 02:30:09,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:30:09,455 INFO L85 PathProgramCache]: Analyzing trace with hash 912637433, now seen corresponding path program 1 times [2023-11-30 02:30:09,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:30:09,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39621667] [2023-11-30 02:30:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:30:09,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:30:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:30:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:30:09,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:30:09,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39621667] [2023-11-30 02:30:09,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39621667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:30:09,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:30:09,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:30:09,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067828983] [2023-11-30 02:30:09,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:30:09,810 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:30:09,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:30:09,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:30:09,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:30:09,815 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 691 [2023-11-30 02:30:09,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 647 transitions, 1533 flow. Second operand has 6 states, 6 states have (on average 419.5) internal successors, (2517), 6 states have internal predecessors, (2517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:30:09,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:30:09,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 691 [2023-11-30 02:30:09,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand