/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/04-mutex_04-munge_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 01:35:58,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 01:35:58,374 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 01:35:58,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 01:35:58,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 01:35:58,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 01:35:58,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 01:35:58,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 01:35:58,408 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 01:35:58,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 01:35:58,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 01:35:58,412 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 01:35:58,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 01:35:58,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 01:35:58,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 01:35:58,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 01:35:58,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 01:35:58,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 01:35:58,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 01:35:58,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 01:35:58,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 01:35:58,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 01:35:58,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 01:35:58,416 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 01:35:58,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 01:35:58,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:35:58,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 01:35:58,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 01:35:58,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 01:35:58,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 01:35:58,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 01:35:58,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 01:35:58,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 01:35:58,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 01:35:58,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 01:35:58,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 01:35:58,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 01:35:58,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 01:35:58,622 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 01:35:58,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i [2023-11-30 01:35:59,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 01:35:59,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 01:35:59,961 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_04-munge_nr.i [2023-11-30 01:35:59,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8bcf8d95/26dbc090a9384d2a919be2dabc0a96b0/FLAGbdf480869 [2023-11-30 01:35:59,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8bcf8d95/26dbc090a9384d2a919be2dabc0a96b0 [2023-11-30 01:35:59,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 01:35:59,988 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 01:35:59,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 01:35:59,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 01:35:59,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 01:35:59,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:35:59" (1/1) ... [2023-11-30 01:35:59,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b0c4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:35:59, skipping insertion in model container [2023-11-30 01:35:59,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:35:59" (1/1) ... [2023-11-30 01:36:00,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 01:36:00,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:36:00,340 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 01:36:00,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 01:36:00,416 INFO L206 MainTranslator]: Completed translation [2023-11-30 01:36:00,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00 WrapperNode [2023-11-30 01:36:00,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 01:36:00,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 01:36:00,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 01:36:00,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 01:36:00,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,463 INFO L138 Inliner]: procedures = 264, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-11-30 01:36:00,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 01:36:00,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 01:36:00,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 01:36:00,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 01:36:00,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 01:36:00,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 01:36:00,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 01:36:00,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 01:36:00,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (1/1) ... [2023-11-30 01:36:00,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 01:36:00,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 01:36:00,517 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 01:36:00,520 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 01:36:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 01:36:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 01:36:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 01:36:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 01:36:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 01:36:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 01:36:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 01:36:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 01:36:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 01:36:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 01:36:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 01:36:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 01:36:00,540 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 01:36:00,667 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 01:36:00,668 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 01:36:00,776 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 01:36:00,789 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 01:36:00,790 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 01:36:00,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:36:00 BoogieIcfgContainer [2023-11-30 01:36:00,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 01:36:00,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 01:36:00,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 01:36:00,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 01:36:00,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:35:59" (1/3) ... [2023-11-30 01:36:00,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70839e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:36:00, skipping insertion in model container [2023-11-30 01:36:00,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:00" (2/3) ... [2023-11-30 01:36:00,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70839e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:36:00, skipping insertion in model container [2023-11-30 01:36:00,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:36:00" (3/3) ... [2023-11-30 01:36:00,796 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2023-11-30 01:36:00,808 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 01:36:00,808 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-30 01:36:00,808 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 01:36:00,872 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 01:36:00,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 74 transitions, 155 flow [2023-11-30 01:36:00,932 INFO L124 PetriNetUnfolderBase]: 0/73 cut-off events. [2023-11-30 01:36:00,932 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:36:00,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 73 events. 0/73 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-30 01:36:00,956 INFO L82 GeneralOperation]: Start removeDead. Operand has 78 places, 74 transitions, 155 flow [2023-11-30 01:36:00,958 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 65 transitions, 133 flow [2023-11-30 01:36:00,964 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 01:36:00,969 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;@3bd85c28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 01:36:00,969 INFO L363 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-30 01:36:00,976 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 01:36:00,976 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2023-11-30 01:36:00,976 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 01:36:00,976 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:00,977 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] [2023-11-30 01:36:00,977 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:00,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:00,983 INFO L85 PathProgramCache]: Analyzing trace with hash 462608416, now seen corresponding path program 1 times [2023-11-30 01:36:00,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:00,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27445886] [2023-11-30 01:36:00,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:00,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:01,185 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 01:36:01,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:01,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27445886] [2023-11-30 01:36:01,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27445886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:01,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:01,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:36:01,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722174229] [2023-11-30 01:36:01,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:01,193 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:01,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:01,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:01,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:01,216 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 74 [2023-11-30 01:36:01,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 01:36:01,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:01,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 74 [2023-11-30 01:36:01,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:01,345 INFO L124 PetriNetUnfolderBase]: 67/330 cut-off events. [2023-11-30 01:36:01,345 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 01:36:01,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 330 events. 67/330 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1626 event pairs, 33 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 467. Up to 100 conditions per place. [2023-11-30 01:36:01,351 INFO L140 encePairwiseOnDemand]: 66/74 looper letters, 25 selfloop transitions, 6 changer transitions 0/79 dead transitions. [2023-11-30 01:36:01,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 79 transitions, 223 flow [2023-11-30 01:36:01,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2023-11-30 01:36:01,362 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9054054054054054 [2023-11-30 01:36:01,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 201 transitions. [2023-11-30 01:36:01,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 201 transitions. [2023-11-30 01:36:01,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:01,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 201 transitions. [2023-11-30 01:36:01,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 01:36:01,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 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 01:36:01,375 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 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 01:36:01,378 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 2 predicate places. [2023-11-30 01:36:01,378 INFO L500 AbstractCegarLoop]: Abstraction has has 71 places, 79 transitions, 223 flow [2023-11-30 01:36:01,378 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 01:36:01,378 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:01,378 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] [2023-11-30 01:36:01,379 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 01:36:01,379 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:01,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:01,381 INFO L85 PathProgramCache]: Analyzing trace with hash -393603229, now seen corresponding path program 1 times [2023-11-30 01:36:01,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:01,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158692297] [2023-11-30 01:36:01,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:01,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:01,464 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 01:36:01,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:01,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158692297] [2023-11-30 01:36:01,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158692297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:01,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:01,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:36:01,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214418288] [2023-11-30 01:36:01,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:01,466 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:01,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:01,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:01,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:01,467 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:01,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 79 transitions, 223 flow. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 01:36:01,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:01,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:01,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:01,541 INFO L124 PetriNetUnfolderBase]: 108/450 cut-off events. [2023-11-30 01:36:01,542 INFO L125 PetriNetUnfolderBase]: For 54/62 co-relation queries the response was YES. [2023-11-30 01:36:01,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 450 events. 108/450 cut-off events. For 54/62 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2475 event pairs, 42 based on Foata normal form. 2/407 useless extension candidates. Maximal degree in co-relation 871. Up to 204 conditions per place. [2023-11-30 01:36:01,545 INFO L140 encePairwiseOnDemand]: 68/74 looper letters, 40 selfloop transitions, 8 changer transitions 0/92 dead transitions. [2023-11-30 01:36:01,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 92 transitions, 369 flow [2023-11-30 01:36:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:01,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 188 transitions. [2023-11-30 01:36:01,546 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8468468468468469 [2023-11-30 01:36:01,546 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 188 transitions. [2023-11-30 01:36:01,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 188 transitions. [2023-11-30 01:36:01,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:01,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 188 transitions. [2023-11-30 01:36:01,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 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 01:36:01,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 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 01:36:01,548 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 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 01:36:01,549 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 4 predicate places. [2023-11-30 01:36:01,549 INFO L500 AbstractCegarLoop]: Abstraction has has 73 places, 92 transitions, 369 flow [2023-11-30 01:36:01,549 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 01:36:01,549 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:01,549 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] [2023-11-30 01:36:01,550 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 01:36:01,550 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:01,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:01,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2070779048, now seen corresponding path program 1 times [2023-11-30 01:36:01,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:01,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442196296] [2023-11-30 01:36:01,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:01,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:01,584 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 01:36:01,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:01,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442196296] [2023-11-30 01:36:01,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442196296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:01,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:01,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 01:36:01,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858122305] [2023-11-30 01:36:01,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:01,586 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 01:36:01,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:01,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 01:36:01,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 01:36:01,587 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:01,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 92 transitions, 369 flow. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 01:36:01,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:01,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:01,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:01,772 INFO L124 PetriNetUnfolderBase]: 149/568 cut-off events. [2023-11-30 01:36:01,772 INFO L125 PetriNetUnfolderBase]: For 198/198 co-relation queries the response was YES. [2023-11-30 01:36:01,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1387 conditions, 568 events. 149/568 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3186 event pairs, 54 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 1360. Up to 236 conditions per place. [2023-11-30 01:36:01,776 INFO L140 encePairwiseOnDemand]: 68/74 looper letters, 51 selfloop transitions, 11 changer transitions 0/107 dead transitions. [2023-11-30 01:36:01,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 107 transitions, 579 flow [2023-11-30 01:36:01,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 01:36:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 01:36:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 188 transitions. [2023-11-30 01:36:01,779 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8468468468468469 [2023-11-30 01:36:01,779 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 188 transitions. [2023-11-30 01:36:01,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 188 transitions. [2023-11-30 01:36:01,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:01,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 188 transitions. [2023-11-30 01:36:01,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 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 01:36:01,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 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 01:36:01,780 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 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 01:36:01,781 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 6 predicate places. [2023-11-30 01:36:01,781 INFO L500 AbstractCegarLoop]: Abstraction has has 75 places, 107 transitions, 579 flow [2023-11-30 01:36:01,781 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 01:36:01,781 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:01,781 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] [2023-11-30 01:36:01,782 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 01:36:01,782 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:01,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:01,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1335675953, now seen corresponding path program 1 times [2023-11-30 01:36:01,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:01,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258724800] [2023-11-30 01:36:01,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:01,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:02,079 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 01:36:02,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:02,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258724800] [2023-11-30 01:36:02,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258724800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:02,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:02,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:02,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884943355] [2023-11-30 01:36:02,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:02,080 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:02,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:02,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:02,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:02,082 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:02,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 107 transitions, 579 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:02,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:02,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:02,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:02,300 INFO L124 PetriNetUnfolderBase]: 204/728 cut-off events. [2023-11-30 01:36:02,301 INFO L125 PetriNetUnfolderBase]: For 479/493 co-relation queries the response was YES. [2023-11-30 01:36:02,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2030 conditions, 728 events. 204/728 cut-off events. For 479/493 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4291 event pairs, 43 based on Foata normal form. 14/706 useless extension candidates. Maximal degree in co-relation 1995. Up to 319 conditions per place. [2023-11-30 01:36:02,304 INFO L140 encePairwiseOnDemand]: 64/74 looper letters, 33 selfloop transitions, 32 changer transitions 0/143 dead transitions. [2023-11-30 01:36:02,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 143 transitions, 883 flow [2023-11-30 01:36:02,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:36:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:36:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 630 transitions. [2023-11-30 01:36:02,306 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.773955773955774 [2023-11-30 01:36:02,307 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 630 transitions. [2023-11-30 01:36:02,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 630 transitions. [2023-11-30 01:36:02,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:02,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 630 transitions. [2023-11-30 01:36:02,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.27272727272727) internal successors, (630), 11 states have internal predecessors, (630), 0 states have call successors, (0), 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 01:36:02,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:02,310 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:02,311 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 16 predicate places. [2023-11-30 01:36:02,312 INFO L500 AbstractCegarLoop]: Abstraction has has 85 places, 143 transitions, 883 flow [2023-11-30 01:36:02,312 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:02,312 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:02,312 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] [2023-11-30 01:36:02,312 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 01:36:02,312 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:02,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:02,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1741456963, now seen corresponding path program 2 times [2023-11-30 01:36:02,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:02,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483979653] [2023-11-30 01:36:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:02,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:02,449 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 01:36:02,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:02,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483979653] [2023-11-30 01:36:02,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483979653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:02,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:02,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:02,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90270350] [2023-11-30 01:36:02,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:02,451 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:02,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:02,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:02,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:02,452 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:02,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 143 transitions, 883 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:02,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:02,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:02,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:02,659 INFO L124 PetriNetUnfolderBase]: 231/809 cut-off events. [2023-11-30 01:36:02,659 INFO L125 PetriNetUnfolderBase]: For 939/983 co-relation queries the response was YES. [2023-11-30 01:36:02,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2560 conditions, 809 events. 231/809 cut-off events. For 939/983 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4937 event pairs, 42 based on Foata normal form. 42/814 useless extension candidates. Maximal degree in co-relation 2517. Up to 358 conditions per place. [2023-11-30 01:36:02,664 INFO L140 encePairwiseOnDemand]: 62/74 looper letters, 49 selfloop transitions, 49 changer transitions 0/176 dead transitions. [2023-11-30 01:36:02,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 176 transitions, 1305 flow [2023-11-30 01:36:02,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-30 01:36:02,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-30 01:36:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 530 transitions. [2023-11-30 01:36:02,665 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7957957957957958 [2023-11-30 01:36:02,665 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 530 transitions. [2023-11-30 01:36:02,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 530 transitions. [2023-11-30 01:36:02,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:02,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 530 transitions. [2023-11-30 01:36:02,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 58.888888888888886) internal successors, (530), 9 states have internal predecessors, (530), 0 states have call successors, (0), 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 01:36:02,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 74.0) internal successors, (740), 10 states have internal predecessors, (740), 0 states have call successors, (0), 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 01:36:02,669 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 74.0) internal successors, (740), 10 states have internal predecessors, (740), 0 states have call successors, (0), 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 01:36:02,671 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 24 predicate places. [2023-11-30 01:36:02,671 INFO L500 AbstractCegarLoop]: Abstraction has has 93 places, 176 transitions, 1305 flow [2023-11-30 01:36:02,671 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:02,671 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:02,672 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] [2023-11-30 01:36:02,672 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 01:36:02,672 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:02,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:02,673 INFO L85 PathProgramCache]: Analyzing trace with hash -818353903, now seen corresponding path program 3 times [2023-11-30 01:36:02,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:02,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501491737] [2023-11-30 01:36:02,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:02,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:02,785 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 01:36:02,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:02,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501491737] [2023-11-30 01:36:02,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501491737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:02,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:02,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:02,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102880965] [2023-11-30 01:36:02,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:02,787 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:02,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:02,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:02,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:02,801 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:02,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 176 transitions, 1305 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:02,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:02,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:02,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:03,048 INFO L124 PetriNetUnfolderBase]: 432/1334 cut-off events. [2023-11-30 01:36:03,048 INFO L125 PetriNetUnfolderBase]: For 2387/2487 co-relation queries the response was YES. [2023-11-30 01:36:03,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4830 conditions, 1334 events. 432/1334 cut-off events. For 2387/2487 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 9171 event pairs, 75 based on Foata normal form. 48/1319 useless extension candidates. Maximal degree in co-relation 4779. Up to 634 conditions per place. [2023-11-30 01:36:03,054 INFO L140 encePairwiseOnDemand]: 63/74 looper letters, 81 selfloop transitions, 66 changer transitions 0/225 dead transitions. [2023-11-30 01:36:03,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 225 transitions, 2067 flow [2023-11-30 01:36:03,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:36:03,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:36:03,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 647 transitions. [2023-11-30 01:36:03,055 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7948402948402948 [2023-11-30 01:36:03,056 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 647 transitions. [2023-11-30 01:36:03,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 647 transitions. [2023-11-30 01:36:03,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:03,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 647 transitions. [2023-11-30 01:36:03,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 58.81818181818182) internal successors, (647), 11 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:03,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:03,058 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:03,059 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 34 predicate places. [2023-11-30 01:36:03,059 INFO L500 AbstractCegarLoop]: Abstraction has has 103 places, 225 transitions, 2067 flow [2023-11-30 01:36:03,059 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:03,059 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:03,059 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] [2023-11-30 01:36:03,059 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 01:36:03,059 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:03,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:03,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1854959005, now seen corresponding path program 4 times [2023-11-30 01:36:03,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:03,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735735199] [2023-11-30 01:36:03,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:03,139 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 01:36:03,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:03,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735735199] [2023-11-30 01:36:03,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735735199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:03,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:03,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:03,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921577380] [2023-11-30 01:36:03,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:03,141 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:03,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:03,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:03,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:03,141 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:03,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 225 transitions, 2067 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:03,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:03,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:03,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:03,363 INFO L124 PetriNetUnfolderBase]: 446/1390 cut-off events. [2023-11-30 01:36:03,363 INFO L125 PetriNetUnfolderBase]: For 3810/3957 co-relation queries the response was YES. [2023-11-30 01:36:03,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5513 conditions, 1390 events. 446/1390 cut-off events. For 3810/3957 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 9706 event pairs, 71 based on Foata normal form. 62/1390 useless extension candidates. Maximal degree in co-relation 5454. Up to 666 conditions per place. [2023-11-30 01:36:03,370 INFO L140 encePairwiseOnDemand]: 62/74 looper letters, 87 selfloop transitions, 68 changer transitions 0/233 dead transitions. [2023-11-30 01:36:03,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 233 transitions, 2473 flow [2023-11-30 01:36:03,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-30 01:36:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-30 01:36:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 598 transitions. [2023-11-30 01:36:03,371 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8081081081081081 [2023-11-30 01:36:03,371 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 598 transitions. [2023-11-30 01:36:03,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 598 transitions. [2023-11-30 01:36:03,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:03,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 598 transitions. [2023-11-30 01:36:03,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 59.8) internal successors, (598), 10 states have internal predecessors, (598), 0 states have call successors, (0), 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 01:36:03,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:03,374 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:03,374 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 43 predicate places. [2023-11-30 01:36:03,374 INFO L500 AbstractCegarLoop]: Abstraction has has 112 places, 233 transitions, 2473 flow [2023-11-30 01:36:03,375 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:03,375 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:03,375 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] [2023-11-30 01:36:03,375 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 01:36:03,375 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:03,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:03,375 INFO L85 PathProgramCache]: Analyzing trace with hash 484199589, now seen corresponding path program 5 times [2023-11-30 01:36:03,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:03,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900338143] [2023-11-30 01:36:03,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:03,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:03,450 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 01:36:03,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:03,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900338143] [2023-11-30 01:36:03,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900338143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:03,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:03,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:03,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618556788] [2023-11-30 01:36:03,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:03,451 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:03,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:03,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:03,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:03,452 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:03,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 233 transitions, 2473 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:03,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:03,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:03,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:03,671 INFO L124 PetriNetUnfolderBase]: 446/1399 cut-off events. [2023-11-30 01:36:03,671 INFO L125 PetriNetUnfolderBase]: For 5253/5436 co-relation queries the response was YES. [2023-11-30 01:36:03,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6019 conditions, 1399 events. 446/1399 cut-off events. For 5253/5436 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 9795 event pairs, 71 based on Foata normal form. 61/1398 useless extension candidates. Maximal degree in co-relation 5952. Up to 671 conditions per place. [2023-11-30 01:36:03,678 INFO L140 encePairwiseOnDemand]: 63/74 looper letters, 77 selfloop transitions, 79 changer transitions 0/234 dead transitions. [2023-11-30 01:36:03,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 234 transitions, 2801 flow [2023-11-30 01:36:03,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-30 01:36:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-30 01:36:03,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 590 transitions. [2023-11-30 01:36:03,680 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7972972972972973 [2023-11-30 01:36:03,680 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 590 transitions. [2023-11-30 01:36:03,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 590 transitions. [2023-11-30 01:36:03,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:03,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 590 transitions. [2023-11-30 01:36:03,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 59.0) internal successors, (590), 10 states have internal predecessors, (590), 0 states have call successors, (0), 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 01:36:03,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:03,682 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:03,683 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 52 predicate places. [2023-11-30 01:36:03,683 INFO L500 AbstractCegarLoop]: Abstraction has has 121 places, 234 transitions, 2801 flow [2023-11-30 01:36:03,683 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:03,683 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:03,684 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] [2023-11-30 01:36:03,685 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 01:36:03,685 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:03,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:03,685 INFO L85 PathProgramCache]: Analyzing trace with hash -201665977, now seen corresponding path program 6 times [2023-11-30 01:36:03,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:03,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992006108] [2023-11-30 01:36:03,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:03,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:03,813 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 01:36:03,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:03,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992006108] [2023-11-30 01:36:03,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992006108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:03,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:03,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:03,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513732932] [2023-11-30 01:36:03,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:03,814 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:03,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:03,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:03,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:03,815 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:03,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 234 transitions, 2801 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:03,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:03,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:03,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:04,008 INFO L124 PetriNetUnfolderBase]: 294/1039 cut-off events. [2023-11-30 01:36:04,009 INFO L125 PetriNetUnfolderBase]: For 5478/5694 co-relation queries the response was YES. [2023-11-30 01:36:04,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4902 conditions, 1039 events. 294/1039 cut-off events. For 5478/5694 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 6871 event pairs, 42 based on Foata normal form. 89/1091 useless extension candidates. Maximal degree in co-relation 4827. Up to 471 conditions per place. [2023-11-30 01:36:04,015 INFO L140 encePairwiseOnDemand]: 62/74 looper letters, 77 selfloop transitions, 63 changer transitions 0/218 dead transitions. [2023-11-30 01:36:04,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 218 transitions, 2793 flow [2023-11-30 01:36:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-30 01:36:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-30 01:36:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 589 transitions. [2023-11-30 01:36:04,017 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7959459459459459 [2023-11-30 01:36:04,017 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 589 transitions. [2023-11-30 01:36:04,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 589 transitions. [2023-11-30 01:36:04,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:04,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 589 transitions. [2023-11-30 01:36:04,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 58.9) internal successors, (589), 10 states have internal predecessors, (589), 0 states have call successors, (0), 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 01:36:04,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:04,021 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:04,022 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 61 predicate places. [2023-11-30 01:36:04,022 INFO L500 AbstractCegarLoop]: Abstraction has has 130 places, 218 transitions, 2793 flow [2023-11-30 01:36:04,022 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:04,022 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:04,022 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] [2023-11-30 01:36:04,022 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 01:36:04,022 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:04,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:04,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1366060753, now seen corresponding path program 7 times [2023-11-30 01:36:04,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:04,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517230826] [2023-11-30 01:36:04,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:04,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:04,098 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 01:36:04,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:04,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517230826] [2023-11-30 01:36:04,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517230826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:04,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:04,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:04,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488932653] [2023-11-30 01:36:04,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:04,102 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:04,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:04,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:04,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:04,103 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:04,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 218 transitions, 2793 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:04,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:04,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:04,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:04,339 INFO L124 PetriNetUnfolderBase]: 466/1472 cut-off events. [2023-11-30 01:36:04,339 INFO L125 PetriNetUnfolderBase]: For 9878/10182 co-relation queries the response was YES. [2023-11-30 01:36:04,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7430 conditions, 1472 events. 466/1472 cut-off events. For 9878/10182 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 10472 event pairs, 70 based on Foata normal form. 52/1463 useless extension candidates. Maximal degree in co-relation 7347. Up to 715 conditions per place. [2023-11-30 01:36:04,349 INFO L140 encePairwiseOnDemand]: 63/74 looper letters, 100 selfloop transitions, 73 changer transitions 0/251 dead transitions. [2023-11-30 01:36:04,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 251 transitions, 3747 flow [2023-11-30 01:36:04,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:36:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:36:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 646 transitions. [2023-11-30 01:36:04,350 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7936117936117936 [2023-11-30 01:36:04,351 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 646 transitions. [2023-11-30 01:36:04,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 646 transitions. [2023-11-30 01:36:04,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:04,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 646 transitions. [2023-11-30 01:36:04,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 58.72727272727273) internal successors, (646), 11 states have internal predecessors, (646), 0 states have call successors, (0), 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 01:36:04,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:04,354 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:04,354 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 71 predicate places. [2023-11-30 01:36:04,354 INFO L500 AbstractCegarLoop]: Abstraction has has 140 places, 251 transitions, 3747 flow [2023-11-30 01:36:04,355 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:04,355 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:04,355 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] [2023-11-30 01:36:04,355 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 01:36:04,355 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:04,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:04,355 INFO L85 PathProgramCache]: Analyzing trace with hash -71586269, now seen corresponding path program 8 times [2023-11-30 01:36:04,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:04,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660298205] [2023-11-30 01:36:04,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:04,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:04,434 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 01:36:04,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:04,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660298205] [2023-11-30 01:36:04,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660298205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:04,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:04,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:04,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634060317] [2023-11-30 01:36:04,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:04,435 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:04,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:04,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:04,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:04,435 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:04,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 251 transitions, 3747 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:04,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:04,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:04,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:04,808 INFO L124 PetriNetUnfolderBase]: 480/1528 cut-off events. [2023-11-30 01:36:04,808 INFO L125 PetriNetUnfolderBase]: For 13464/13904 co-relation queries the response was YES. [2023-11-30 01:36:04,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8247 conditions, 1528 events. 480/1528 cut-off events. For 13464/13904 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 11011 event pairs, 66 based on Foata normal form. 84/1552 useless extension candidates. Maximal degree in co-relation 8156. Up to 747 conditions per place. [2023-11-30 01:36:04,821 INFO L140 encePairwiseOnDemand]: 62/74 looper letters, 107 selfloop transitions, 74 changer transitions 0/259 dead transitions. [2023-11-30 01:36:04,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 259 transitions, 4269 flow [2023-11-30 01:36:04,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:36:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:36:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 649 transitions. [2023-11-30 01:36:04,824 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7972972972972973 [2023-11-30 01:36:04,824 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 649 transitions. [2023-11-30 01:36:04,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 649 transitions. [2023-11-30 01:36:04,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:04,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 649 transitions. [2023-11-30 01:36:04,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 59.0) internal successors, (649), 11 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:04,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:04,828 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:04,828 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 81 predicate places. [2023-11-30 01:36:04,828 INFO L500 AbstractCegarLoop]: Abstraction has has 150 places, 259 transitions, 4269 flow [2023-11-30 01:36:04,828 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:04,828 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:04,828 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] [2023-11-30 01:36:04,829 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-30 01:36:04,829 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:04,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:04,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1172226499, now seen corresponding path program 9 times [2023-11-30 01:36:04,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:04,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130822204] [2023-11-30 01:36:04,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:04,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:04,957 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 01:36:04,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:04,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130822204] [2023-11-30 01:36:04,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130822204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:04,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:04,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:04,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253109260] [2023-11-30 01:36:04,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:04,958 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:04,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:04,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:04,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:04,960 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:04,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 259 transitions, 4269 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:04,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:04,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:04,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:05,341 INFO L124 PetriNetUnfolderBase]: 480/1529 cut-off events. [2023-11-30 01:36:05,341 INFO L125 PetriNetUnfolderBase]: For 16323/16818 co-relation queries the response was YES. [2023-11-30 01:36:05,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8819 conditions, 1529 events. 480/1529 cut-off events. For 16323/16818 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 11023 event pairs, 70 based on Foata normal form. 91/1559 useless extension candidates. Maximal degree in co-relation 8720. Up to 747 conditions per place. [2023-11-30 01:36:05,350 INFO L140 encePairwiseOnDemand]: 63/74 looper letters, 90 selfloop transitions, 92 changer transitions 0/260 dead transitions. [2023-11-30 01:36:05,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 260 transitions, 4657 flow [2023-11-30 01:36:05,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-30 01:36:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-30 01:36:05,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 588 transitions. [2023-11-30 01:36:05,352 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7945945945945946 [2023-11-30 01:36:05,352 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 588 transitions. [2023-11-30 01:36:05,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 588 transitions. [2023-11-30 01:36:05,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:05,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 588 transitions. [2023-11-30 01:36:05,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 58.8) internal successors, (588), 10 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:05,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:05,354 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:05,355 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 90 predicate places. [2023-11-30 01:36:05,355 INFO L500 AbstractCegarLoop]: Abstraction has has 159 places, 260 transitions, 4657 flow [2023-11-30 01:36:05,355 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:05,355 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:05,355 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] [2023-11-30 01:36:05,355 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 01:36:05,355 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:05,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:05,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1511051521, now seen corresponding path program 10 times [2023-11-30 01:36:05,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:05,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532355506] [2023-11-30 01:36:05,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:05,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 01:36:05,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:05,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532355506] [2023-11-30 01:36:05,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532355506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:05,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:05,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:05,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732600654] [2023-11-30 01:36:05,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:05,425 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:05,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:05,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:05,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:05,426 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:05,427 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 260 transitions, 4657 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:05,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:05,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:05,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:05,703 INFO L124 PetriNetUnfolderBase]: 335/1207 cut-off events. [2023-11-30 01:36:05,703 INFO L125 PetriNetUnfolderBase]: For 15710/16114 co-relation queries the response was YES. [2023-11-30 01:36:05,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7555 conditions, 1207 events. 335/1207 cut-off events. For 15710/16114 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8351 event pairs, 38 based on Foata normal form. 104/1275 useless extension candidates. Maximal degree in co-relation 7448. Up to 565 conditions per place. [2023-11-30 01:36:05,709 INFO L140 encePairwiseOnDemand]: 62/74 looper letters, 94 selfloop transitions, 73 changer transitions 0/245 dead transitions. [2023-11-30 01:36:05,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 245 transitions, 4601 flow [2023-11-30 01:36:05,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-30 01:36:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-30 01:36:05,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 591 transitions. [2023-11-30 01:36:05,711 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7986486486486486 [2023-11-30 01:36:05,711 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 591 transitions. [2023-11-30 01:36:05,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 591 transitions. [2023-11-30 01:36:05,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:05,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 591 transitions. [2023-11-30 01:36:05,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 59.1) internal successors, (591), 10 states have internal predecessors, (591), 0 states have call successors, (0), 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 01:36:05,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:05,714 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:05,714 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 99 predicate places. [2023-11-30 01:36:05,714 INFO L500 AbstractCegarLoop]: Abstraction has has 168 places, 245 transitions, 4601 flow [2023-11-30 01:36:05,715 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:05,715 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:05,715 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] [2023-11-30 01:36:05,715 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-30 01:36:05,715 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:05,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:05,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1591513625, now seen corresponding path program 11 times [2023-11-30 01:36:05,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:05,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921430039] [2023-11-30 01:36:05,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:05,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:05,792 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 01:36:05,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:05,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921430039] [2023-11-30 01:36:05,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921430039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:05,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:05,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:05,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658466370] [2023-11-30 01:36:05,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:05,793 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:05,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:05,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:05,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:05,794 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:05,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 245 transitions, 4601 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:05,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:05,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:05,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:06,028 INFO L124 PetriNetUnfolderBase]: 335/1208 cut-off events. [2023-11-30 01:36:06,029 INFO L125 PetriNetUnfolderBase]: For 18271/18680 co-relation queries the response was YES. [2023-11-30 01:36:06,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8056 conditions, 1208 events. 335/1208 cut-off events. For 18271/18680 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 8400 event pairs, 42 based on Foata normal form. 73/1244 useless extension candidates. Maximal degree in co-relation 7941. Up to 565 conditions per place. [2023-11-30 01:36:06,036 INFO L140 encePairwiseOnDemand]: 63/74 looper letters, 86 selfloop transitions, 82 changer transitions 0/246 dead transitions. [2023-11-30 01:36:06,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 246 transitions, 4965 flow [2023-11-30 01:36:06,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-30 01:36:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-30 01:36:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 635 transitions. [2023-11-30 01:36:06,037 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7800982800982801 [2023-11-30 01:36:06,038 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 635 transitions. [2023-11-30 01:36:06,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 635 transitions. [2023-11-30 01:36:06,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:06,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 635 transitions. [2023-11-30 01:36:06,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.72727272727273) internal successors, (635), 11 states have internal predecessors, (635), 0 states have call successors, (0), 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 01:36:06,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:06,040 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 74.0) internal successors, (888), 12 states have internal predecessors, (888), 0 states have call successors, (0), 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 01:36:06,040 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 109 predicate places. [2023-11-30 01:36:06,041 INFO L500 AbstractCegarLoop]: Abstraction has has 178 places, 246 transitions, 4965 flow [2023-11-30 01:36:06,041 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:06,041 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:06,041 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] [2023-11-30 01:36:06,041 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-30 01:36:06,041 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:06,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:06,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1951679495, now seen corresponding path program 12 times [2023-11-30 01:36:06,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:06,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765112490] [2023-11-30 01:36:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:06,113 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 01:36:06,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:06,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765112490] [2023-11-30 01:36:06,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765112490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:06,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:06,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-30 01:36:06,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376772469] [2023-11-30 01:36:06,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:06,114 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 01:36:06,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:06,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 01:36:06,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-30 01:36:06,114 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 74 [2023-11-30 01:36:06,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 246 transitions, 4965 flow. Second operand has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:06,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:06,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 74 [2023-11-30 01:36:06,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:06,292 INFO L124 PetriNetUnfolderBase]: 199/781 cut-off events. [2023-11-30 01:36:06,292 INFO L125 PetriNetUnfolderBase]: For 15666/15962 co-relation queries the response was YES. [2023-11-30 01:36:06,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6260 conditions, 781 events. 199/781 cut-off events. For 15666/15962 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4866 event pairs, 5 based on Foata normal form. 59/839 useless extension candidates. Maximal degree in co-relation 6137. Up to 373 conditions per place. [2023-11-30 01:36:06,296 INFO L140 encePairwiseOnDemand]: 62/74 looper letters, 79 selfloop transitions, 71 changer transitions 1/190 dead transitions. [2023-11-30 01:36:06,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 190 transitions, 4429 flow [2023-11-30 01:36:06,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-30 01:36:06,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-30 01:36:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 577 transitions. [2023-11-30 01:36:06,297 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7797297297297298 [2023-11-30 01:36:06,297 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 577 transitions. [2023-11-30 01:36:06,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 577 transitions. [2023-11-30 01:36:06,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:06,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 577 transitions. [2023-11-30 01:36:06,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 57.7) internal successors, (577), 10 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:06,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:06,299 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 01:36:06,299 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 113 predicate places. [2023-11-30 01:36:06,299 INFO L500 AbstractCegarLoop]: Abstraction has has 182 places, 190 transitions, 4429 flow [2023-11-30 01:36:06,300 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.142857142857146) internal successors, (379), 7 states have internal predecessors, (379), 0 states have call successors, (0), 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 01:36:06,300 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 01:36:06,300 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] [2023-11-30 01:36:06,300 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-30 01:36:06,300 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 01:36:06,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 01:36:06,300 INFO L85 PathProgramCache]: Analyzing trace with hash 2088340601, now seen corresponding path program 1 times [2023-11-30 01:36:06,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 01:36:06,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925618818] [2023-11-30 01:36:06,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 01:36:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 01:36:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 01:36:06,421 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 01:36:06,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 01:36:06,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925618818] [2023-11-30 01:36:06,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925618818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 01:36:06,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 01:36:06,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 01:36:06,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242875480] [2023-11-30 01:36:06,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 01:36:06,421 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 01:36:06,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 01:36:06,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 01:36:06,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 01:36:06,422 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 74 [2023-11-30 01:36:06,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 190 transitions, 4429 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 01:36:06,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 01:36:06,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 74 [2023-11-30 01:36:06,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 01:36:06,498 INFO L124 PetriNetUnfolderBase]: 211/796 cut-off events. [2023-11-30 01:36:06,498 INFO L125 PetriNetUnfolderBase]: For 16902/17433 co-relation queries the response was YES. [2023-11-30 01:36:06,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6611 conditions, 796 events. 211/796 cut-off events. For 16902/17433 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4989 event pairs, 11 based on Foata normal form. 2/794 useless extension candidates. Maximal degree in co-relation 6483. Up to 380 conditions per place. [2023-11-30 01:36:06,500 INFO L140 encePairwiseOnDemand]: 69/74 looper letters, 0 selfloop transitions, 0 changer transitions 197/197 dead transitions. [2023-11-30 01:36:06,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 197 transitions, 4813 flow [2023-11-30 01:36:06,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 01:36:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 01:36:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 353 transitions. [2023-11-30 01:36:06,501 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.795045045045045 [2023-11-30 01:36:06,501 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 353 transitions. [2023-11-30 01:36:06,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 353 transitions. [2023-11-30 01:36:06,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 01:36:06,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 353 transitions. [2023-11-30 01:36:06,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 58.833333333333336) internal successors, (353), 6 states have internal predecessors, (353), 0 states have call successors, (0), 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 01:36:06,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 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 01:36:06,502 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 74.0) internal successors, (518), 7 states have internal predecessors, (518), 0 states have call successors, (0), 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 01:36:06,503 INFO L307 CegarLoopForPetriNet]: 69 programPoint places, 117 predicate places. [2023-11-30 01:36:06,503 INFO L500 AbstractCegarLoop]: Abstraction has has 186 places, 197 transitions, 4813 flow [2023-11-30 01:36:06,503 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 01:36:06,506 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_04-munge_nr.i_BEv2_AllErrorsAtOnce [2023-11-30 01:36:06,541 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-30 01:36:06,541 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-30 01:36:06,541 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-30 01:36:06,542 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-30 01:36:06,542 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-30 01:36:06,542 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-30 01:36:06,542 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-30 01:36:06,542 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-30 01:36:06,542 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-30 01:36:06,542 INFO L457 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1, 1] [2023-11-30 01:36:06,545 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 01:36:06,545 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 01:36:06,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:36:06 BasicIcfg [2023-11-30 01:36:06,549 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 01:36:06,549 INFO L158 Benchmark]: Toolchain (without parser) took 6561.51ms. Allocated memory was 348.1MB in the beginning and 698.4MB in the end (delta: 350.2MB). Free memory was 308.1MB in the beginning and 283.4MB in the end (delta: 24.7MB). Peak memory consumption was 377.7MB. Max. memory is 16.0GB. [2023-11-30 01:36:06,549 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 348.1MB. Free memory is still 304.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 01:36:06,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.35ms. Allocated memory is still 348.1MB. Free memory was 307.7MB in the beginning and 279.3MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-11-30 01:36:06,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.29ms. Allocated memory is still 348.1MB. Free memory was 279.3MB in the beginning and 277.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:36:06,550 INFO L158 Benchmark]: Boogie Preprocessor took 26.90ms. Allocated memory is still 348.1MB. Free memory was 277.1MB in the beginning and 275.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 01:36:06,550 INFO L158 Benchmark]: RCFGBuilder took 300.42ms. Allocated memory is still 348.1MB. Free memory was 275.4MB in the beginning and 260.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-11-30 01:36:06,550 INFO L158 Benchmark]: TraceAbstraction took 5756.59ms. Allocated memory was 348.1MB in the beginning and 698.4MB in the end (delta: 350.2MB). Free memory was 260.0MB in the beginning and 283.4MB in the end (delta: -23.4MB). Peak memory consumption was 329.4MB. Max. memory is 16.0GB. [2023-11-30 01:36:06,551 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 348.1MB. Free memory is still 304.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 429.35ms. Allocated memory is still 348.1MB. Free memory was 307.7MB in the beginning and 279.3MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 44.29ms. Allocated memory is still 348.1MB. Free memory was 279.3MB in the beginning and 277.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.90ms. Allocated memory is still 348.1MB. Free memory was 277.1MB in the beginning and 275.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 300.42ms. Allocated memory is still 348.1MB. Free memory was 275.4MB in the beginning and 260.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 5756.59ms. Allocated memory was 348.1MB in the beginning and 698.4MB in the end (delta: 350.2MB). Free memory was 260.0MB in the beginning and 283.4MB in the end (delta: -23.4MB). Peak memory consumption was 329.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: 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, 98 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.6s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 569 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 569 mSDsluCounter, 1334 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 874 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1852 IncrementalHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 460 mSDtfsCounter, 1852 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4965occurred in iteration=14, InterpolantAutomatonStates: 139, 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, 1.5s InterpolantComputationTime, 569 NumberOfCodeBlocks, 569 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 553 ConstructedInterpolants, 0 QuantifiedInterpolants, 1252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 01:36:06,566 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...