/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/pthread-C-DAC/pthread-demo-datarace-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:35:15,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:35:15,987 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 01:35:16,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:35:16,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:35:16,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:35:16,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:35:16,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:35:16,010 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:35:16,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:35:16,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:35:16,011 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:35:16,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:35:16,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:35:16,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:35:16,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:35:16,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:35:16,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:35:16,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:35:16,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:35:16,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:35:16,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:35:16,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:35:16,014 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:35:16,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:35:16,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:35:16,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:35:16,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:35:16,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:35:16,015 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:35:16,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:35:16,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:35:16,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:35:16,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:35:16,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:35:16,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:35:16,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:35:16,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:35:16,236 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:35:16,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2023-11-30 01:35:17,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:35:17,750 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:35:17,750 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2023-11-30 01:35:17,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4e78906/53e34da0d176413f973a587e74bf39e4/FLAG22accfdd0 [2023-11-30 01:35:17,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4e78906/53e34da0d176413f973a587e74bf39e4 [2023-11-30 01:35:17,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:35:17,775 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:35:17,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:35:17,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:35:17,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:35:17,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:35:17" (1/1) ... [2023-11-30 01:35:17,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df7efaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:17, skipping insertion in model container [2023-11-30 01:35:17,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:35:17" (1/1) ... [2023-11-30 01:35:17,820 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:35:18,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:35:18,175 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:35:18,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:35:18,291 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:35:18,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18 WrapperNode [2023-11-30 01:35:18,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:35:18,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:35:18,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:35:18,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:35:18,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,351 INFO L138 Inliner]: procedures = 365, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2023-11-30 01:35:18,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:35:18,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:35:18,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:35:18,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:35:18,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:35:18,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:35:18,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:35:18,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:35:18,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (1/1) ... [2023-11-30 01:35:18,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:35:18,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:35:18,413 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 01:35:18,420 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 01:35:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:35:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:35:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:35:18,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:35:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:35:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:35:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:35:18,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2023-11-30 01:35:18,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2023-11-30 01:35:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:35:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:35:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:35:18,442 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 01:35:18,538 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:35:18,539 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:35:18,666 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:35:18,681 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:35:18,681 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-30 01:35:18,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:35:18 BoogieIcfgContainer [2023-11-30 01:35:18,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:35:18,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:35:18,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:35:18,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:35:18,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:35:17" (1/3) ... [2023-11-30 01:35:18,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1735857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:35:18, skipping insertion in model container [2023-11-30 01:35:18,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:18" (2/3) ... [2023-11-30 01:35:18,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1735857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:35:18, skipping insertion in model container [2023-11-30 01:35:18,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:35:18" (3/3) ... [2023-11-30 01:35:18,688 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2023-11-30 01:35:18,700 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:35:18,700 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-30 01:35:18,700 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:35:18,735 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 01:35:18,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 124 transitions, 255 flow [2023-11-30 01:35:18,797 INFO L124 PetriNetUnfolderBase]: 8/123 cut-off events. [2023-11-30 01:35:18,797 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:35:18,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 123 events. 8/123 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 170 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2023-11-30 01:35:18,802 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 124 transitions, 255 flow [2023-11-30 01:35:18,809 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 102 transitions, 210 flow [2023-11-30 01:35:18,816 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:35:18,820 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;@5c0f0bd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:35:18,821 INFO L363 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-30 01:35:18,826 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:35:18,826 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-30 01:35:18,826 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:35:18,826 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:35:18,827 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] [2023-11-30 01:35:18,827 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:35:18,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:35:18,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1210434692, now seen corresponding path program 1 times [2023-11-30 01:35:18,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:35:18,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753783435] [2023-11-30 01:35:18,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:35:18,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:35:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:35:18,977 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 01:35:18,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:35:18,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753783435] [2023-11-30 01:35:18,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753783435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:35:18,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:35:18,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:35:18,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910949470] [2023-11-30 01:35:18,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:35:18,985 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:35:18,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:35:19,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:35:19,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:35:19,018 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 124 [2023-11-30 01:35:19,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 102 transitions, 210 flow. Second operand has 3 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) [2023-11-30 01:35:19,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:35:19,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 124 [2023-11-30 01:35:19,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:35:19,101 INFO L124 PetriNetUnfolderBase]: 83/404 cut-off events. [2023-11-30 01:35:19,102 INFO L125 PetriNetUnfolderBase]: For 7/14 co-relation queries the response was YES. [2023-11-30 01:35:19,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 404 events. 83/404 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1908 event pairs, 64 based on Foata normal form. 41/377 useless extension candidates. Maximal degree in co-relation 527. Up to 169 conditions per place. [2023-11-30 01:35:19,105 INFO L140 encePairwiseOnDemand]: 117/124 looper letters, 23 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-11-30 01:35:19,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 95 transitions, 246 flow [2023-11-30 01:35:19,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:35:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:35:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2023-11-30 01:35:19,115 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.782258064516129 [2023-11-30 01:35:19,115 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 291 transitions. [2023-11-30 01:35:19,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 291 transitions. [2023-11-30 01:35:19,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:35:19,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 291 transitions. [2023-11-30 01:35:19,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 0 states have call successors, (0), 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 01:35:19,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,123 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,125 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -1 predicate places. [2023-11-30 01:35:19,126 INFO L500 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 246 flow [2023-11-30 01:35:19,126 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2023-11-30 01:35:19,126 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:35:19,126 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] [2023-11-30 01:35:19,126 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:35:19,126 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:35:19,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:35:19,127 INFO L85 PathProgramCache]: Analyzing trace with hash 859297021, now seen corresponding path program 1 times [2023-11-30 01:35:19,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:35:19,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796125948] [2023-11-30 01:35:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:35:19,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:35:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:35:19,181 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 01:35:19,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:35:19,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796125948] [2023-11-30 01:35:19,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796125948] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:35:19,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:35:19,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:35:19,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560970284] [2023-11-30 01:35:19,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:35:19,183 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:35:19,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:35:19,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:35:19,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:35:19,185 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 124 [2023-11-30 01:35:19,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 01:35:19,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:35:19,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 124 [2023-11-30 01:35:19,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:35:19,320 INFO L124 PetriNetUnfolderBase]: 96/440 cut-off events. [2023-11-30 01:35:19,320 INFO L125 PetriNetUnfolderBase]: For 83/147 co-relation queries the response was YES. [2023-11-30 01:35:19,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 440 events. 96/440 cut-off events. For 83/147 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2178 event pairs, 35 based on Foata normal form. 2/382 useless extension candidates. Maximal degree in co-relation 784. Up to 198 conditions per place. [2023-11-30 01:35:19,323 INFO L140 encePairwiseOnDemand]: 114/124 looper letters, 27 selfloop transitions, 6 changer transitions 4/108 dead transitions. [2023-11-30 01:35:19,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 108 transitions, 368 flow [2023-11-30 01:35:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:35:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:35:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2023-11-30 01:35:19,336 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8360215053763441 [2023-11-30 01:35:19,336 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 311 transitions. [2023-11-30 01:35:19,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 311 transitions. [2023-11-30 01:35:19,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:35:19,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 311 transitions. [2023-11-30 01:35:19,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-30 01:35:19,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,341 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,341 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, 0 predicate places. [2023-11-30 01:35:19,341 INFO L500 AbstractCegarLoop]: Abstraction has has 100 places, 108 transitions, 368 flow [2023-11-30 01:35:19,341 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 01:35:19,342 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:35:19,342 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] [2023-11-30 01:35:19,342 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:35:19,342 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:35:19,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:35:19,343 INFO L85 PathProgramCache]: Analyzing trace with hash 464802023, now seen corresponding path program 1 times [2023-11-30 01:35:19,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:35:19,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028144612] [2023-11-30 01:35:19,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:35:19,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:35:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:35:19,455 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 01:35:19,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:35:19,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028144612] [2023-11-30 01:35:19,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028144612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:35:19,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:35:19,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 01:35:19,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171416412] [2023-11-30 01:35:19,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:35:19,458 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:35:19,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:35:19,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:35:19,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:35:19,460 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 124 [2023-11-30 01:35:19,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 108 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 01:35:19,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:35:19,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 124 [2023-11-30 01:35:19,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:35:19,545 INFO L124 PetriNetUnfolderBase]: 173/675 cut-off events. [2023-11-30 01:35:19,545 INFO L125 PetriNetUnfolderBase]: For 269/351 co-relation queries the response was YES. [2023-11-30 01:35:19,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1535 conditions, 675 events. 173/675 cut-off events. For 269/351 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3832 event pairs, 70 based on Foata normal form. 3/586 useless extension candidates. Maximal degree in co-relation 1475. Up to 355 conditions per place. [2023-11-30 01:35:19,551 INFO L140 encePairwiseOnDemand]: 121/124 looper letters, 25 selfloop transitions, 2 changer transitions 4/119 dead transitions. [2023-11-30 01:35:19,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 119 transitions, 478 flow [2023-11-30 01:35:19,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:35:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:35:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2023-11-30 01:35:19,556 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8709677419354839 [2023-11-30 01:35:19,556 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 324 transitions. [2023-11-30 01:35:19,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 324 transitions. [2023-11-30 01:35:19,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:35:19,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 324 transitions. [2023-11-30 01:35:19,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 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 01:35:19,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,559 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, 2 predicate places. [2023-11-30 01:35:19,559 INFO L500 AbstractCegarLoop]: Abstraction has has 102 places, 119 transitions, 478 flow [2023-11-30 01:35:19,559 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 01:35:19,559 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:35:19,560 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] [2023-11-30 01:35:19,560 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:35:19,560 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:35:19,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:35:19,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1169803615, now seen corresponding path program 1 times [2023-11-30 01:35:19,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:35:19,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604557832] [2023-11-30 01:35:19,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:35:19,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:35:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:35:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:35:19,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:35:19,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604557832] [2023-11-30 01:35:19,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604557832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:35:19,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:35:19,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:35:19,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123703901] [2023-11-30 01:35:19,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:35:19,622 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:35:19,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:35:19,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:35:19,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:35:19,624 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 124 [2023-11-30 01:35:19,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 119 transitions, 478 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 01:35:19,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:35:19,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 124 [2023-11-30 01:35:19,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:35:19,738 INFO L124 PetriNetUnfolderBase]: 243/900 cut-off events. [2023-11-30 01:35:19,739 INFO L125 PetriNetUnfolderBase]: For 707/861 co-relation queries the response was YES. [2023-11-30 01:35:19,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2436 conditions, 900 events. 243/900 cut-off events. For 707/861 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 5297 event pairs, 71 based on Foata normal form. 3/792 useless extension candidates. Maximal degree in co-relation 2369. Up to 428 conditions per place. [2023-11-30 01:35:19,743 INFO L140 encePairwiseOnDemand]: 118/124 looper letters, 51 selfloop transitions, 8 changer transitions 4/134 dead transitions. [2023-11-30 01:35:19,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 134 transitions, 694 flow [2023-11-30 01:35:19,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:35:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:35:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 296 transitions. [2023-11-30 01:35:19,744 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7956989247311828 [2023-11-30 01:35:19,744 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 296 transitions. [2023-11-30 01:35:19,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 296 transitions. [2023-11-30 01:35:19,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:35:19,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 296 transitions. [2023-11-30 01:35:19,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 0 states have call successors, (0), 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 01:35:19,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,746 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,747 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, 4 predicate places. [2023-11-30 01:35:19,748 INFO L500 AbstractCegarLoop]: Abstraction has has 104 places, 134 transitions, 694 flow [2023-11-30 01:35:19,748 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 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 01:35:19,748 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:35:19,748 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 01:35:19,748 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:35:19,748 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:35:19,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:35:19,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1453237985, now seen corresponding path program 1 times [2023-11-30 01:35:19,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:35:19,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578306518] [2023-11-30 01:35:19,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:35:19,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:35:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:35:19,811 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 01:35:19,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:35:19,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578306518] [2023-11-30 01:35:19,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578306518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:35:19,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:35:19,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:35:19,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498897848] [2023-11-30 01:35:19,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:35:19,812 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:35:19,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:35:19,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:35:19,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:35:19,813 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 124 [2023-11-30 01:35:19,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 134 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 01:35:19,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:35:19,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 124 [2023-11-30 01:35:19,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:35:19,962 INFO L124 PetriNetUnfolderBase]: 318/1133 cut-off events. [2023-11-30 01:35:19,962 INFO L125 PetriNetUnfolderBase]: For 1542/1653 co-relation queries the response was YES. [2023-11-30 01:35:19,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3480 conditions, 1133 events. 318/1133 cut-off events. For 1542/1653 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7136 event pairs, 66 based on Foata normal form. 7/1033 useless extension candidates. Maximal degree in co-relation 3400. Up to 490 conditions per place. [2023-11-30 01:35:19,969 INFO L140 encePairwiseOnDemand]: 118/124 looper letters, 63 selfloop transitions, 11 changer transitions 4/151 dead transitions. [2023-11-30 01:35:19,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 151 transitions, 984 flow [2023-11-30 01:35:19,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:35:19,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:35:19,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 301 transitions. [2023-11-30 01:35:19,971 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8091397849462365 [2023-11-30 01:35:19,971 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 301 transitions. [2023-11-30 01:35:19,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 301 transitions. [2023-11-30 01:35:19,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:35:19,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 301 transitions. [2023-11-30 01:35:19,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 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 01:35:19,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,972 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:19,974 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, 6 predicate places. [2023-11-30 01:35:19,974 INFO L500 AbstractCegarLoop]: Abstraction has has 106 places, 151 transitions, 984 flow [2023-11-30 01:35:19,974 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 01:35:19,975 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:35:19,975 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] [2023-11-30 01:35:19,975 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:35:19,975 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:35:19,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:35:19,976 INFO L85 PathProgramCache]: Analyzing trace with hash 39716825, now seen corresponding path program 1 times [2023-11-30 01:35:19,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:35:19,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908935382] [2023-11-30 01:35:19,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:35:19,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:35:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:35:20,113 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 01:35:20,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:35:20,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908935382] [2023-11-30 01:35:20,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908935382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:35:20,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:35:20,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 01:35:20,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778538231] [2023-11-30 01:35:20,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:35:20,118 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:35:20,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:35:20,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:35:20,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:35:20,119 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 124 [2023-11-30 01:35:20,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 151 transitions, 984 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 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 01:35:20,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:35:20,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 124 [2023-11-30 01:35:20,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:35:20,164 INFO L124 PetriNetUnfolderBase]: 20/245 cut-off events. [2023-11-30 01:35:20,164 INFO L125 PetriNetUnfolderBase]: For 762/805 co-relation queries the response was YES. [2023-11-30 01:35:20,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 245 events. 20/245 cut-off events. For 762/805 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 790 event pairs, 9 based on Foata normal form. 32/269 useless extension candidates. Maximal degree in co-relation 618. Up to 83 conditions per place. [2023-11-30 01:35:20,165 INFO L140 encePairwiseOnDemand]: 120/124 looper letters, 7 selfloop transitions, 8 changer transitions 4/97 dead transitions. [2023-11-30 01:35:20,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 97 transitions, 456 flow [2023-11-30 01:35:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:35:20,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:35:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2023-11-30 01:35:20,177 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8682795698924731 [2023-11-30 01:35:20,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 323 transitions. [2023-11-30 01:35:20,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 323 transitions. [2023-11-30 01:35:20,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:35:20,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 323 transitions. [2023-11-30 01:35:20,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 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 01:35:20,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:20,178 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 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 01:35:20,179 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, 4 predicate places. [2023-11-30 01:35:20,179 INFO L500 AbstractCegarLoop]: Abstraction has has 104 places, 97 transitions, 456 flow [2023-11-30 01:35:20,179 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 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 01:35:20,179 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:35:20,179 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 01:35:20,179 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:35:20,179 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:35:20,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:35:20,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1790278093, now seen corresponding path program 1 times [2023-11-30 01:35:20,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:35:20,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800626105] [2023-11-30 01:35:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:35:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:35:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:35:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:35:20,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:35:20,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800626105] [2023-11-30 01:35:20,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800626105] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 01:35:20,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330779489] [2023-11-30 01:35:20,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:35:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 01:35:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:35:20,257 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 01:35:20,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-30 01:35:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:35:20,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-30 01:35:20,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 01:35:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:35:20,401 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 01:35:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:35:20,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330779489] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 01:35:20,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 01:35:20,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-30 01:35:20,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18495887] [2023-11-30 01:35:20,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 01:35:20,447 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-30 01:35:20,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:35:20,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-30 01:35:20,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-30 01:35:20,449 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 124 [2023-11-30 01:35:20,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 97 transitions, 456 flow. Second operand has 10 states, 10 states have (on average 102.5) internal successors, (1025), 10 states have internal predecessors, (1025), 0 states have call successors, (0), 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 01:35:20,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:35:20,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 124 [2023-11-30 01:35:20,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:35:20,542 INFO L124 PetriNetUnfolderBase]: 53/324 cut-off events. [2023-11-30 01:35:20,542 INFO L125 PetriNetUnfolderBase]: For 1182/1238 co-relation queries the response was YES. [2023-11-30 01:35:20,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1154 conditions, 324 events. 53/324 cut-off events. For 1182/1238 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1004 event pairs, 6 based on Foata normal form. 6/315 useless extension candidates. Maximal degree in co-relation 1058. Up to 125 conditions per place. [2023-11-30 01:35:20,543 INFO L140 encePairwiseOnDemand]: 118/124 looper letters, 31 selfloop transitions, 9 changer transitions 4/117 dead transitions. [2023-11-30 01:35:20,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 117 transitions, 754 flow [2023-11-30 01:35:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-30 01:35:20,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-30 01:35:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 943 transitions. [2023-11-30 01:35:20,545 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8449820788530465 [2023-11-30 01:35:20,545 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 943 transitions. [2023-11-30 01:35:20,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 943 transitions. [2023-11-30 01:35:20,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:35:20,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 943 transitions. [2023-11-30 01:35:20,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 104.77777777777777) internal successors, (943), 9 states have internal predecessors, (943), 0 states have call successors, (0), 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 01:35:20,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 0 states have call successors, (0), 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 01:35:20,548 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 0 states have call successors, (0), 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 01:35:20,549 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, 12 predicate places. [2023-11-30 01:35:20,549 INFO L500 AbstractCegarLoop]: Abstraction has has 112 places, 117 transitions, 754 flow [2023-11-30 01:35:20,551 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 102.5) internal successors, (1025), 10 states have internal predecessors, (1025), 0 states have call successors, (0), 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 01:35:20,551 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:35:20,551 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:35:20,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-30 01:35:20,756 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 01:35:20,756 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-30 01:35:20,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:35:20,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1663535181, now seen corresponding path program 2 times [2023-11-30 01:35:20,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:35:20,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487985254] [2023-11-30 01:35:20,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:35:20,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:35:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:35:20,922 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:35:20,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:35:20,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487985254] [2023-11-30 01:35:20,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487985254] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 01:35:20,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945155190] [2023-11-30 01:35:20,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 01:35:20,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 01:35:20,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:35:20,924 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 01:35:20,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-30 01:35:20,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-30 01:35:20,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 01:35:20,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-30 01:35:21,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 01:35:21,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-30 01:35:21,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-30 01:35:21,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 01:35:21,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-30 01:35:21,169 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-30 01:35:21,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-30 01:35:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-30 01:35:21,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 01:35:21,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945155190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:35:21,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-30 01:35:21,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2023-11-30 01:35:21,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769387419] [2023-11-30 01:35:21,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:35:21,196 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:35:21,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:35:21,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:35:21,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-11-30 01:35:21,198 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 124 [2023-11-30 01:35:21,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 117 transitions, 754 flow. Second operand has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 7 states have internal predecessors, (684), 0 states have call successors, (0), 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 01:35:21,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:35:21,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 124 [2023-11-30 01:35:21,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:35:21,255 INFO L124 PetriNetUnfolderBase]: 47/296 cut-off events. [2023-11-30 01:35:21,255 INFO L125 PetriNetUnfolderBase]: For 1462/1505 co-relation queries the response was YES. [2023-11-30 01:35:21,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1149 conditions, 296 events. 47/296 cut-off events. For 1462/1505 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1040 event pairs, 8 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 1056. Up to 115 conditions per place. [2023-11-30 01:35:21,256 INFO L140 encePairwiseOnDemand]: 118/124 looper letters, 0 selfloop transitions, 0 changer transitions 124/124 dead transitions. [2023-11-30 01:35:21,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 124 transitions, 962 flow [2023-11-30 01:35:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 01:35:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 01:35:21,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 696 transitions. [2023-11-30 01:35:21,257 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8018433179723502 [2023-11-30 01:35:21,257 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 696 transitions. [2023-11-30 01:35:21,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 696 transitions. [2023-11-30 01:35:21,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:35:21,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 696 transitions. [2023-11-30 01:35:21,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 99.42857142857143) internal successors, (696), 7 states have internal predecessors, (696), 0 states have call successors, (0), 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 01:35:21,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 124.0) internal successors, (992), 8 states have internal predecessors, (992), 0 states have call successors, (0), 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 01:35:21,260 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 124.0) internal successors, (992), 8 states have internal predecessors, (992), 0 states have call successors, (0), 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 01:35:21,262 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, 17 predicate places. [2023-11-30 01:35:21,262 INFO L500 AbstractCegarLoop]: Abstraction has has 117 places, 124 transitions, 962 flow [2023-11-30 01:35:21,262 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 97.71428571428571) internal successors, (684), 7 states have internal predecessors, (684), 0 states have call successors, (0), 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 01:35:21,266 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/pthread-demo-datarace-1.i_BEv2_AllErrorsAtOnce [2023-11-30 01:35:21,297 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-30 01:35:21,297 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-30 01:35:21,297 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-30 01:35:21,297 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2023-11-30 01:35:21,297 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-30 01:35:21,297 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-30 01:35:21,297 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-30 01:35:21,297 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-30 01:35:21,298 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-30 01:35:21,298 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-30 01:35:21,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-30 01:35:21,502 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-30 01:35:21,503 INFO L457 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2023-11-30 01:35:21,506 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:35:21,506 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:35:21,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:35:21 BasicIcfg [2023-11-30 01:35:21,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:35:21,511 INFO L158 Benchmark]: Toolchain (without parser) took 3735.81ms. Allocated memory was 358.6MB in the beginning and 499.1MB in the end (delta: 140.5MB). Free memory was 304.6MB in the beginning and 275.2MB in the end (delta: 29.4MB). Peak memory consumption was 171.8MB. Max. memory is 16.0GB. [2023-11-30 01:35:21,511 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 358.6MB. Free memory was 310.9MB in the beginning and 310.7MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:35:21,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.65ms. Allocated memory is still 358.6MB. Free memory was 304.6MB in the beginning and 265.7MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-11-30 01:35:21,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.14ms. Allocated memory is still 358.6MB. Free memory was 265.7MB in the beginning and 263.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:35:21,511 INFO L158 Benchmark]: Boogie Preprocessor took 24.38ms. Allocated memory is still 358.6MB. Free memory was 263.6MB in the beginning and 261.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:35:21,512 INFO L158 Benchmark]: RCFGBuilder took 305.30ms. Allocated memory is still 358.6MB. Free memory was 261.6MB in the beginning and 243.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-11-30 01:35:21,512 INFO L158 Benchmark]: TraceAbstraction took 2826.18ms. Allocated memory was 358.6MB in the beginning and 499.1MB in the end (delta: 140.5MB). Free memory was 243.5MB in the beginning and 275.2MB in the end (delta: -31.6MB). Peak memory consumption was 111.0MB. Max. memory is 16.0GB. [2023-11-30 01:35:21,513 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 358.6MB. Free memory was 310.9MB in the beginning and 310.7MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 517.65ms. Allocated memory is still 358.6MB. Free memory was 304.6MB in the beginning and 265.7MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 57.14ms. Allocated memory is still 358.6MB. Free memory was 265.7MB in the beginning and 263.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 24.38ms. Allocated memory is still 358.6MB. Free memory was 263.6MB in the beginning and 261.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 305.30ms. Allocated memory is still 358.6MB. Free memory was 261.6MB in the beginning and 243.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 2826.18ms. Allocated memory was 358.6MB in the beginning and 499.1MB in the end (delta: 140.5MB). Free memory was 243.5MB in the beginning and 275.2MB in the end (delta: -31.6MB). Peak memory consumption was 111.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1353]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: 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, 145 locations, 10 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: 2.7s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 299 IncrementalHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 86 mSDtfsCounter, 299 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=984occurred in iteration=5, InterpolantAutomatonStates: 34, 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, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 539 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 1033 SizeOfPredicates, 2 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 48/99 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:35:21,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...