/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_12-fldsense_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:37:47,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:37:47,757 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 01:37:47,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:37:47,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:37:47,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:37:47,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:37:47,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:37:47,784 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:37:47,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:37:47,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:37:47,793 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:37:47,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:37:47,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:37:47,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:37:47,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:37:47,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:37:47,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:37:47,795 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:37:47,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:37:47,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:37:47,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:37:47,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:37:47,796 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:37:47,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:37:47,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:37:47,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:37:47,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:37:47,797 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:37:47,798 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:37:47,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:37:47,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:37:47,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:37:47,799 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:37:47,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:37:47,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:37:47,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:37:47,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:37:47,968 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:37:47,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_12-fldsense_nr.i [2023-11-30 01:37:48,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:37:49,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:37:49,139 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_12-fldsense_nr.i [2023-11-30 01:37:49,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffe4fb9e/23f36db5cf12469c92f949ccc0d7d747/FLAG3ee07380e [2023-11-30 01:37:49,161 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fffe4fb9e/23f36db5cf12469c92f949ccc0d7d747 [2023-11-30 01:37:49,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:37:49,163 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:37:49,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:37:49,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:37:49,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:37:49,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3318d4d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49, skipping insertion in model container [2023-11-30 01:37:49,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:37:49,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:37:49,411 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:37:49,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:37:49,477 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:37:49,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49 WrapperNode [2023-11-30 01:37:49,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:37:49,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:37:49,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:37:49,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:37:49,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,507 INFO L138 Inliner]: procedures = 163, calls = 33, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 81 [2023-11-30 01:37:49,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:37:49,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:37:49,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:37:49,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:37:49,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:37:49,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:37:49,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:37:49,534 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:37:49,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (1/1) ... [2023-11-30 01:37:49,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:37:49,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:37:49,558 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 01:37:49,569 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 01:37:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:37:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:37:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:37:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:37:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:37:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:37:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:37:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:37:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:37:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:37:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:37:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:37:49,599 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 01:37:49,685 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:37:49,686 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:37:49,860 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:37:49,877 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:37:49,877 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:37:49,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:37:49 BoogieIcfgContainer [2023-11-30 01:37:49,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:37:49,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:37:49,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:37:49,886 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:37:49,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:37:49" (1/3) ... [2023-11-30 01:37:49,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b80085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:37:49, skipping insertion in model container [2023-11-30 01:37:49,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:49" (2/3) ... [2023-11-30 01:37:49,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b80085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:37:49, skipping insertion in model container [2023-11-30 01:37:49,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:37:49" (3/3) ... [2023-11-30 01:37:49,889 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_12-fldsense_nr.i [2023-11-30 01:37:49,901 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:37:49,901 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-30 01:37:49,901 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:37:49,938 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 01:37:49,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 108 transitions, 220 flow [2023-11-30 01:37:49,993 INFO L124 PetriNetUnfolderBase]: 0/107 cut-off events. [2023-11-30 01:37:49,993 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:37:49,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 107 events. 0/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-30 01:37:49,996 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 108 transitions, 220 flow [2023-11-30 01:37:50,002 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 107 transitions, 217 flow [2023-11-30 01:37:50,009 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:37:50,015 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;@3165452a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:37:50,016 INFO L363 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-30 01:37:50,024 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:37:50,024 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2023-11-30 01:37:50,024 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:37:50,024 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:50,025 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] [2023-11-30 01:37:50,025 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-30 01:37:50,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:50,032 INFO L85 PathProgramCache]: Analyzing trace with hash 152630146, now seen corresponding path program 1 times [2023-11-30 01:37:50,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:50,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226914928] [2023-11-30 01:37:50,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:50,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:50,554 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 01:37:50,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:50,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226914928] [2023-11-30 01:37:50,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226914928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:50,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:50,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:50,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785092747] [2023-11-30 01:37:50,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:50,563 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:50,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:50,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:50,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:50,588 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 108 [2023-11-30 01:37:50,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 107 transitions, 217 flow. Second operand has 6 states, 6 states have (on average 57.833333333333336) internal successors, (347), 6 states have internal predecessors, (347), 0 states have call successors, (0), 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 01:37:50,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:50,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 108 [2023-11-30 01:37:50,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:51,248 INFO L124 PetriNetUnfolderBase]: 807/2274 cut-off events. [2023-11-30 01:37:51,249 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:37:51,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3985 conditions, 2274 events. 807/2274 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 14803 event pairs, 271 based on Foata normal form. 0/2072 useless extension candidates. Maximal degree in co-relation 3949. Up to 895 conditions per place. [2023-11-30 01:37:51,266 INFO L140 encePairwiseOnDemand]: 86/108 looper letters, 200 selfloop transitions, 42 changer transitions 0/297 dead transitions. [2023-11-30 01:37:51,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 297 transitions, 1081 flow [2023-11-30 01:37:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 580 transitions. [2023-11-30 01:37:51,280 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8950617283950617 [2023-11-30 01:37:51,281 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 580 transitions. [2023-11-30 01:37:51,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 580 transitions. [2023-11-30 01:37:51,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:51,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 580 transitions. [2023-11-30 01:37:51,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.66666666666667) internal successors, (580), 6 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:51,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:51,294 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:51,296 INFO L307 CegarLoopForPetriNet]: 111 programPoint places, 5 predicate places. [2023-11-30 01:37:51,296 INFO L500 AbstractCegarLoop]: Abstraction has has 116 places, 297 transitions, 1081 flow [2023-11-30 01:37:51,297 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.833333333333336) internal successors, (347), 6 states have internal predecessors, (347), 0 states have call successors, (0), 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 01:37:51,297 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:51,297 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 01:37:51,297 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:37:51,297 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-30 01:37:51,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:51,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1367766407, now seen corresponding path program 1 times [2023-11-30 01:37:51,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:51,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22854119] [2023-11-30 01:37:51,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:51,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:51,609 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 01:37:51,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:51,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22854119] [2023-11-30 01:37:51,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22854119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:51,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:51,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:51,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050587550] [2023-11-30 01:37:51,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:51,612 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:51,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:51,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:51,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:51,613 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 108 [2023-11-30 01:37:51,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 297 transitions, 1081 flow. Second operand has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 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 01:37:51,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:51,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 108 [2023-11-30 01:37:51,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:52,073 INFO L124 PetriNetUnfolderBase]: 1165/3158 cut-off events. [2023-11-30 01:37:52,073 INFO L125 PetriNetUnfolderBase]: For 296/344 co-relation queries the response was YES. [2023-11-30 01:37:52,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7917 conditions, 3158 events. 1165/3158 cut-off events. For 296/344 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 21998 event pairs, 187 based on Foata normal form. 2/2891 useless extension candidates. Maximal degree in co-relation 7876. Up to 1768 conditions per place. [2023-11-30 01:37:52,087 INFO L140 encePairwiseOnDemand]: 91/108 looper letters, 352 selfloop transitions, 56 changer transitions 12/473 dead transitions. [2023-11-30 01:37:52,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 473 transitions, 2617 flow [2023-11-30 01:37:52,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 527 transitions. [2023-11-30 01:37:52,088 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8132716049382716 [2023-11-30 01:37:52,088 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 527 transitions. [2023-11-30 01:37:52,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 527 transitions. [2023-11-30 01:37:52,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:52,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 527 transitions. [2023-11-30 01:37:52,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 87.83333333333333) internal successors, (527), 6 states have internal predecessors, (527), 0 states have call successors, (0), 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 01:37:52,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:52,091 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:52,091 INFO L307 CegarLoopForPetriNet]: 111 programPoint places, 10 predicate places. [2023-11-30 01:37:52,092 INFO L500 AbstractCegarLoop]: Abstraction has has 121 places, 473 transitions, 2617 flow [2023-11-30 01:37:52,092 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 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 01:37:52,092 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:52,092 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] [2023-11-30 01:37:52,092 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:37:52,092 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-30 01:37:52,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:52,093 INFO L85 PathProgramCache]: Analyzing trace with hash -2127410483, now seen corresponding path program 1 times [2023-11-30 01:37:52,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:52,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811247124] [2023-11-30 01:37:52,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:52,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:52,303 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 01:37:52,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:52,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811247124] [2023-11-30 01:37:52,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811247124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:52,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:52,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:52,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089193096] [2023-11-30 01:37:52,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:52,306 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:52,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:52,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:52,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:52,307 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 108 [2023-11-30 01:37:52,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 473 transitions, 2617 flow. Second operand has 6 states, 6 states have (on average 55.166666666666664) internal successors, (331), 6 states have internal predecessors, (331), 0 states have call successors, (0), 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 01:37:52,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:52,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 108 [2023-11-30 01:37:52,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:52,742 INFO L124 PetriNetUnfolderBase]: 1393/3623 cut-off events. [2023-11-30 01:37:52,743 INFO L125 PetriNetUnfolderBase]: For 1089/1177 co-relation queries the response was YES. [2023-11-30 01:37:52,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11785 conditions, 3623 events. 1393/3623 cut-off events. For 1089/1177 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 25674 event pairs, 201 based on Foata normal form. 0/3320 useless extension candidates. Maximal degree in co-relation 11738. Up to 2311 conditions per place. [2023-11-30 01:37:52,761 INFO L140 encePairwiseOnDemand]: 91/108 looper letters, 464 selfloop transitions, 74 changer transitions 12/605 dead transitions. [2023-11-30 01:37:52,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 605 transitions, 4493 flow [2023-11-30 01:37:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 453 transitions. [2023-11-30 01:37:52,763 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6990740740740741 [2023-11-30 01:37:52,763 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 453 transitions. [2023-11-30 01:37:52,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 453 transitions. [2023-11-30 01:37:52,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:52,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 453 transitions. [2023-11-30 01:37:52,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 0 states have call successors, (0), 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 01:37:52,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:52,765 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:52,766 INFO L307 CegarLoopForPetriNet]: 111 programPoint places, 15 predicate places. [2023-11-30 01:37:52,766 INFO L500 AbstractCegarLoop]: Abstraction has has 126 places, 605 transitions, 4493 flow [2023-11-30 01:37:52,766 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.166666666666664) internal successors, (331), 6 states have internal predecessors, (331), 0 states have call successors, (0), 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 01:37:52,766 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:52,766 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] [2023-11-30 01:37:52,767 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:37:52,767 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-30 01:37:52,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:52,767 INFO L85 PathProgramCache]: Analyzing trace with hash -787130764, now seen corresponding path program 1 times [2023-11-30 01:37:52,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:52,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690786173] [2023-11-30 01:37:52,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:52,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:52,811 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 01:37:52,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:52,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690786173] [2023-11-30 01:37:52,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690786173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:52,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:52,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 01:37:52,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305257840] [2023-11-30 01:37:52,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:52,812 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:37:52,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:52,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:37:52,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:37:52,813 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 108 [2023-11-30 01:37:52,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 605 transitions, 4493 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 01:37:52,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:52,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 108 [2023-11-30 01:37:52,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:52,948 INFO L124 PetriNetUnfolderBase]: 271/775 cut-off events. [2023-11-30 01:37:52,948 INFO L125 PetriNetUnfolderBase]: For 517/595 co-relation queries the response was YES. [2023-11-30 01:37:52,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2641 conditions, 775 events. 271/775 cut-off events. For 517/595 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3903 event pairs, 73 based on Foata normal form. 30/768 useless extension candidates. Maximal degree in co-relation 2579. Up to 581 conditions per place. [2023-11-30 01:37:52,951 INFO L140 encePairwiseOnDemand]: 104/108 looper letters, 24 selfloop transitions, 4 changer transitions 29/233 dead transitions. [2023-11-30 01:37:52,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 233 transitions, 1625 flow [2023-11-30 01:37:52,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:37:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:37:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2023-11-30 01:37:52,953 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2023-11-30 01:37:52,953 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 288 transitions. [2023-11-30 01:37:52,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 288 transitions. [2023-11-30 01:37:52,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:52,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 288 transitions. [2023-11-30 01:37:52,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 01:37:52,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 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 01:37:52,955 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 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 01:37:52,955 INFO L307 CegarLoopForPetriNet]: 111 programPoint places, 13 predicate places. [2023-11-30 01:37:52,955 INFO L500 AbstractCegarLoop]: Abstraction has has 124 places, 233 transitions, 1625 flow [2023-11-30 01:37:52,956 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 01:37:52,956 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:52,956 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, 1] [2023-11-30 01:37:52,956 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:37:52,956 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-30 01:37:52,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:52,956 INFO L85 PathProgramCache]: Analyzing trace with hash 77981422, now seen corresponding path program 1 times [2023-11-30 01:37:52,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:52,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505084894] [2023-11-30 01:37:52,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:52,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:53,177 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 01:37:53,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:53,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505084894] [2023-11-30 01:37:53,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505084894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:53,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:53,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:53,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860184680] [2023-11-30 01:37:53,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:53,178 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:53,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:53,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:53,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:53,179 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 108 [2023-11-30 01:37:53,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 233 transitions, 1625 flow. Second operand has 6 states, 6 states have (on average 60.166666666666664) internal successors, (361), 6 states have internal predecessors, (361), 0 states have call successors, (0), 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 01:37:53,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:53,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 108 [2023-11-30 01:37:53,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:53,384 INFO L124 PetriNetUnfolderBase]: 255/745 cut-off events. [2023-11-30 01:37:53,384 INFO L125 PetriNetUnfolderBase]: For 768/880 co-relation queries the response was YES. [2023-11-30 01:37:53,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3054 conditions, 745 events. 255/745 cut-off events. For 768/880 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3566 event pairs, 51 based on Foata normal form. 0/724 useless extension candidates. Maximal degree in co-relation 2987. Up to 550 conditions per place. [2023-11-30 01:37:53,387 INFO L140 encePairwiseOnDemand]: 102/108 looper letters, 161 selfloop transitions, 45 changer transitions 29/280 dead transitions. [2023-11-30 01:37:53,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 280 transitions, 2467 flow [2023-11-30 01:37:53,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:53,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 440 transitions. [2023-11-30 01:37:53,389 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6790123456790124 [2023-11-30 01:37:53,389 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 440 transitions. [2023-11-30 01:37:53,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 440 transitions. [2023-11-30 01:37:53,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:53,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 440 transitions. [2023-11-30 01:37:53,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 73.33333333333333) internal successors, (440), 6 states have internal predecessors, (440), 0 states have call successors, (0), 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 01:37:53,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:53,391 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:53,392 INFO L307 CegarLoopForPetriNet]: 111 programPoint places, 17 predicate places. [2023-11-30 01:37:53,392 INFO L500 AbstractCegarLoop]: Abstraction has has 128 places, 280 transitions, 2467 flow [2023-11-30 01:37:53,393 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.166666666666664) internal successors, (361), 6 states have internal predecessors, (361), 0 states have call successors, (0), 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 01:37:53,393 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:37:53,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 01:37:53,393 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:37:53,393 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-30 01:37:53,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:37:53,394 INFO L85 PathProgramCache]: Analyzing trace with hash -2060809206, now seen corresponding path program 1 times [2023-11-30 01:37:53,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:37:53,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288374741] [2023-11-30 01:37:53,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:37:53,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:37:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:37:53,601 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 01:37:53,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:37:53,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288374741] [2023-11-30 01:37:53,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288374741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:37:53,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:37:53,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:37:53,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124471274] [2023-11-30 01:37:53,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:37:53,602 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:37:53,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:37:53,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:37:53,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:37:53,603 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 108 [2023-11-30 01:37:53,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 280 transitions, 2467 flow. Second operand has 6 states, 6 states have (on average 57.5) internal successors, (345), 6 states have internal predecessors, (345), 0 states have call successors, (0), 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 01:37:53,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:37:53,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 108 [2023-11-30 01:37:53,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:37:53,822 INFO L124 PetriNetUnfolderBase]: 269/763 cut-off events. [2023-11-30 01:37:53,822 INFO L125 PetriNetUnfolderBase]: For 1060/1078 co-relation queries the response was YES. [2023-11-30 01:37:53,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3649 conditions, 763 events. 269/763 cut-off events. For 1060/1078 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3488 event pairs, 36 based on Foata normal form. 0/759 useless extension candidates. Maximal degree in co-relation 3576. Up to 547 conditions per place. [2023-11-30 01:37:53,824 INFO L140 encePairwiseOnDemand]: 102/108 looper letters, 0 selfloop transitions, 0 changer transitions 327/327 dead transitions. [2023-11-30 01:37:53,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 327 transitions, 3505 flow [2023-11-30 01:37:53,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:37:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:37:53,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 419 transitions. [2023-11-30 01:37:53,826 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6466049382716049 [2023-11-30 01:37:53,826 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 419 transitions. [2023-11-30 01:37:53,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 419 transitions. [2023-11-30 01:37:53,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:37:53,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 419 transitions. [2023-11-30 01:37:53,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 0 states have call successors, (0), 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 01:37:53,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:53,828 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 108.0) internal successors, (756), 7 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:37:53,828 INFO L307 CegarLoopForPetriNet]: 111 programPoint places, 21 predicate places. [2023-11-30 01:37:53,828 INFO L500 AbstractCegarLoop]: Abstraction has has 132 places, 327 transitions, 3505 flow [2023-11-30 01:37:53,829 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.5) internal successors, (345), 6 states have internal predecessors, (345), 0 states have call successors, (0), 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 01:37:53,833 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/05-lval_ls_12-fldsense_nr.i_BEv2_AllErrorsAtOnce [2023-11-30 01:37:53,849 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-11-30 01:37:53,850 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-11-30 01:37:53,850 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2023-11-30 01:37:53,850 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-11-30 01:37:53,850 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-11-30 01:37:53,850 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-11-30 01:37:53,850 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-11-30 01:37:53,850 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-11-30 01:37:53,851 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-11-30 01:37:53,851 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:37:53,851 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-30 01:37:53,854 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:37:53,854 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:37:53,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:37:53 BasicIcfg [2023-11-30 01:37:53,859 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:37:53,859 INFO L158 Benchmark]: Toolchain (without parser) took 4696.16ms. Allocated memory was 499.1MB in the beginning and 666.9MB in the end (delta: 167.8MB). Free memory was 443.3MB in the beginning and 606.8MB in the end (delta: -163.5MB). Peak memory consumption was 379.0MB. Max. memory is 16.0GB. [2023-11-30 01:37:53,860 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 375.4MB. Free memory is still 325.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:37:53,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.66ms. Allocated memory is still 499.1MB. Free memory was 443.0MB in the beginning and 423.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 01:37:53,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.26ms. Allocated memory is still 499.1MB. Free memory was 423.4MB in the beginning and 421.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:37:53,861 INFO L158 Benchmark]: Boogie Preprocessor took 25.65ms. Allocated memory is still 499.1MB. Free memory was 421.0MB in the beginning and 419.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:37:53,861 INFO L158 Benchmark]: RCFGBuilder took 344.24ms. Allocated memory is still 499.1MB. Free memory was 419.3MB in the beginning and 456.2MB in the end (delta: -36.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 01:37:53,861 INFO L158 Benchmark]: TraceAbstraction took 3979.43ms. Allocated memory was 499.1MB in the beginning and 666.9MB in the end (delta: 167.8MB). Free memory was 455.2MB in the beginning and 606.8MB in the end (delta: -151.6MB). Peak memory consumption was 389.5MB. Max. memory is 16.0GB. [2023-11-30 01:37:53,863 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 375.4MB. Free memory is still 325.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 313.66ms. Allocated memory is still 499.1MB. Free memory was 443.0MB in the beginning and 423.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 29.26ms. Allocated memory is still 499.1MB. Free memory was 423.4MB in the beginning and 421.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.65ms. Allocated memory is still 499.1MB. Free memory was 421.0MB in the beginning and 419.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 344.24ms. Allocated memory is still 499.1MB. Free memory was 419.3MB in the beginning and 456.2MB in the end (delta: -36.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 3979.43ms. Allocated memory was 499.1MB in the beginning and 666.9MB in the end (delta: 167.8MB). Free memory was 455.2MB in the beginning and 606.8MB in the end (delta: -151.6MB). Peak memory consumption was 389.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: 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, 137 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 231 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1500 IncrementalHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 205 mSDtfsCounter, 1500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4493occurred in iteration=3, InterpolantAutomatonStates: 33, 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, 1.3s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:37:53,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...