/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.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 07:19:34,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 07:19:34,945 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 07:19:34,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 07:19:34,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 07:19:34,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 07:19:34,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 07:19:34,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 07:19:34,971 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 07:19:34,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 07:19:34,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 07:19:34,975 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 07:19:34,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 07:19:34,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 07:19:34,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 07:19:34,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 07:19:34,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 07:19:34,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 07:19:34,977 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 07:19:34,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 07:19:34,977 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 07:19:34,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 07:19:34,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 07:19:34,978 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 07:19:34,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 07:19:34,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 07:19:34,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 07:19:34,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 07:19:34,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 07:19:34,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 07:19:34,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 07:19:34,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 07:19:34,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 07:19:34,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 07:19:35,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 07:19:35,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 07:19:35,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 07:19:35,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 07:19:35,197 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 07:19:35,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2023-11-30 07:19:36,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 07:19:36,391 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 07:19:36,392 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2023-11-30 07:19:36,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62b27d3a2/62323efdbd324ed6ae637e13e913efdd/FLAGf6384f747 [2023-11-30 07:19:36,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62b27d3a2/62323efdbd324ed6ae637e13e913efdd [2023-11-30 07:19:36,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 07:19:36,416 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 07:19:36,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 07:19:36,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 07:19:36,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 07:19:36,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d9f5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36, skipping insertion in model container [2023-11-30 07:19:36,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 07:19:36,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 07:19:36,774 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 07:19:36,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 07:19:36,847 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 07:19:36,847 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 07:19:36,852 INFO L206 MainTranslator]: Completed translation [2023-11-30 07:19:36,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36 WrapperNode [2023-11-30 07:19:36,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 07:19:36,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 07:19:36,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 07:19:36,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 07:19:36,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,906 INFO L138 Inliner]: procedures = 365, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-30 07:19:36,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 07:19:36,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 07:19:36,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 07:19:36,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 07:19:36,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 07:19:36,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 07:19:36,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 07:19:36,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 07:19:36,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (1/1) ... [2023-11-30 07:19:36,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 07:19:36,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:36,951 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 07:19:36,979 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 07:19:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 07:19:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 07:19:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 07:19:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 07:19:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 07:19:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2023-11-30 07:19:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2023-11-30 07:19:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 07:19:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 07:19:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 07:19:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 07:19:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 07:19:36,987 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 07:19:37,142 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 07:19:37,143 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 07:19:37,301 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 07:19:37,327 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 07:19:37,328 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-30 07:19:37,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:19:37 BoogieIcfgContainer [2023-11-30 07:19:37,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 07:19:37,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 07:19:37,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 07:19:37,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 07:19:37,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 07:19:36" (1/3) ... [2023-11-30 07:19:37,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79072a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:19:37, skipping insertion in model container [2023-11-30 07:19:37,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:19:36" (2/3) ... [2023-11-30 07:19:37,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79072a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:19:37, skipping insertion in model container [2023-11-30 07:19:37,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:19:37" (3/3) ... [2023-11-30 07:19:37,335 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2023-11-30 07:19:37,348 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 07:19:37,348 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 07:19:37,348 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 07:19:37,395 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 07:19:37,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 106 transitions, 219 flow [2023-11-30 07:19:37,469 INFO L124 PetriNetUnfolderBase]: 8/105 cut-off events. [2023-11-30 07:19:37,470 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 07:19:37,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 105 events. 8/105 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 132 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2023-11-30 07:19:37,474 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 106 transitions, 219 flow [2023-11-30 07:19:37,480 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 77 transitions, 157 flow [2023-11-30 07:19:37,491 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 07:19:37,498 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;@42e8d44c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 07:19:37,498 INFO L363 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-11-30 07:19:37,515 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 07:19:37,515 INFO L124 PetriNetUnfolderBase]: 2/45 cut-off events. [2023-11-30 07:19:37,515 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 07:19:37,516 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:37,516 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] [2023-11-30 07:19:37,517 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:37,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:37,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1106719030, now seen corresponding path program 1 times [2023-11-30 07:19:37,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:37,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7148425] [2023-11-30 07:19:37,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:37,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:37,768 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 07:19:37,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:37,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7148425] [2023-11-30 07:19:37,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7148425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:37,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:19:37,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 07:19:37,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43592388] [2023-11-30 07:19:37,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:37,792 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 07:19:37,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:37,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 07:19:37,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 07:19:37,820 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:19:37,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 77 transitions, 157 flow. Second operand has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states 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 07:19:37,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:37,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:19:37,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:37,934 INFO L124 PetriNetUnfolderBase]: 64/243 cut-off events. [2023-11-30 07:19:37,934 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 07:19:37,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 243 events. 64/243 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1092 event pairs, 10 based on Foata normal form. 36/197 useless extension candidates. Maximal degree in co-relation 330. Up to 90 conditions per place. [2023-11-30 07:19:37,938 INFO L140 encePairwiseOnDemand]: 94/106 looper letters, 20 selfloop transitions, 7 changer transitions 0/88 dead transitions. [2023-11-30 07:19:37,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 88 transitions, 233 flow [2023-11-30 07:19:37,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 07:19:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 07:19:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 454 transitions. [2023-11-30 07:19:37,953 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8566037735849057 [2023-11-30 07:19:37,954 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 454 transitions. [2023-11-30 07:19:37,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 454 transitions. [2023-11-30 07:19:37,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:37,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 454 transitions. [2023-11-30 07:19:37,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 90.8) internal successors, (454), 5 states have internal predecessors, (454), 0 states have call successors, (0), 0 states 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 07:19:37,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:37,968 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:37,971 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 4 predicate places. [2023-11-30 07:19:37,971 INFO L500 AbstractCegarLoop]: Abstraction has has 80 places, 88 transitions, 233 flow [2023-11-30 07:19:37,972 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 0 states 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 07:19:37,972 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:37,972 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] [2023-11-30 07:19:37,972 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 07:19:37,972 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:37,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:37,973 INFO L85 PathProgramCache]: Analyzing trace with hash 711879630, now seen corresponding path program 1 times [2023-11-30 07:19:37,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:37,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970712921] [2023-11-30 07:19:37,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:37,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:38,045 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 07:19:38,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:38,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970712921] [2023-11-30 07:19:38,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970712921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:38,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:19:38,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 07:19:38,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123885144] [2023-11-30 07:19:38,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:38,047 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 07:19:38,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:38,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 07:19:38,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 07:19:38,048 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 106 [2023-11-30 07:19:38,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 88 transitions, 233 flow. Second operand has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 0 states have call successors, (0), 0 states 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 07:19:38,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:38,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 106 [2023-11-30 07:19:38,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:38,149 INFO L124 PetriNetUnfolderBase]: 178/437 cut-off events. [2023-11-30 07:19:38,149 INFO L125 PetriNetUnfolderBase]: For 68/96 co-relation queries the response was YES. [2023-11-30 07:19:38,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 437 events. 178/437 cut-off events. For 68/96 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 2506 event pairs, 15 based on Foata normal form. 2/263 useless extension candidates. Maximal degree in co-relation 901. Up to 222 conditions per place. [2023-11-30 07:19:38,154 INFO L140 encePairwiseOnDemand]: 99/106 looper letters, 32 selfloop transitions, 4 changer transitions 0/104 dead transitions. [2023-11-30 07:19:38,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 104 transitions, 357 flow [2023-11-30 07:19:38,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 07:19:38,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 07:19:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 438 transitions. [2023-11-30 07:19:38,156 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8264150943396227 [2023-11-30 07:19:38,157 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 438 transitions. [2023-11-30 07:19:38,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 438 transitions. [2023-11-30 07:19:38,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:38,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 438 transitions. [2023-11-30 07:19:38,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 87.6) internal successors, (438), 5 states have internal predecessors, (438), 0 states have call successors, (0), 0 states 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 07:19:38,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:38,160 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:38,160 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 8 predicate places. [2023-11-30 07:19:38,160 INFO L500 AbstractCegarLoop]: Abstraction has has 84 places, 104 transitions, 357 flow [2023-11-30 07:19:38,161 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 0 states have call successors, (0), 0 states 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 07:19:38,161 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:38,161 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] [2023-11-30 07:19:38,161 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 07:19:38,161 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:38,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:38,162 INFO L85 PathProgramCache]: Analyzing trace with hash -939517179, now seen corresponding path program 1 times [2023-11-30 07:19:38,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:38,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656129099] [2023-11-30 07:19:38,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:38,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:38,278 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 07:19:38,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:38,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656129099] [2023-11-30 07:19:38,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656129099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:38,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:19:38,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 07:19:38,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818964442] [2023-11-30 07:19:38,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:38,281 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 07:19:38,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:38,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 07:19:38,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 07:19:38,283 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 106 [2023-11-30 07:19:38,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 104 transitions, 357 flow. Second operand has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 07:19:38,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:38,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 106 [2023-11-30 07:19:38,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:38,386 INFO L124 PetriNetUnfolderBase]: 234/629 cut-off events. [2023-11-30 07:19:38,387 INFO L125 PetriNetUnfolderBase]: For 361/584 co-relation queries the response was YES. [2023-11-30 07:19:38,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 629 events. 234/629 cut-off events. For 361/584 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4361 event pairs, 68 based on Foata normal form. 60/449 useless extension candidates. Maximal degree in co-relation 1614. Up to 300 conditions per place. [2023-11-30 07:19:38,395 INFO L140 encePairwiseOnDemand]: 99/106 looper letters, 45 selfloop transitions, 4 changer transitions 0/122 dead transitions. [2023-11-30 07:19:38,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 122 transitions, 539 flow [2023-11-30 07:19:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 07:19:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 07:19:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 423 transitions. [2023-11-30 07:19:38,397 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7981132075471699 [2023-11-30 07:19:38,397 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 423 transitions. [2023-11-30 07:19:38,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 423 transitions. [2023-11-30 07:19:38,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:38,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 423 transitions. [2023-11-30 07:19:38,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 84.6) internal successors, (423), 5 states have internal predecessors, (423), 0 states have call successors, (0), 0 states 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 07:19:38,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:38,399 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:38,400 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 12 predicate places. [2023-11-30 07:19:38,400 INFO L500 AbstractCegarLoop]: Abstraction has has 88 places, 122 transitions, 539 flow [2023-11-30 07:19:38,400 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 07:19:38,400 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:38,401 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 07:19:38,401 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 07:19:38,401 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:38,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:38,401 INFO L85 PathProgramCache]: Analyzing trace with hash -410455692, now seen corresponding path program 1 times [2023-11-30 07:19:38,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:38,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754994673] [2023-11-30 07:19:38,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:38,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:38,488 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 07:19:38,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:38,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754994673] [2023-11-30 07:19:38,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754994673] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:38,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:19:38,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 07:19:38,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725992112] [2023-11-30 07:19:38,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:38,492 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 07:19:38,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:38,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 07:19:38,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-30 07:19:38,493 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:19:38,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 122 transitions, 539 flow. Second operand has 5 states, 5 states have (on average 83.2) internal successors, (416), 5 states have internal predecessors, (416), 0 states have call successors, (0), 0 states 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 07:19:38,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:38,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:19:38,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:38,608 INFO L124 PetriNetUnfolderBase]: 264/760 cut-off events. [2023-11-30 07:19:38,609 INFO L125 PetriNetUnfolderBase]: For 1097/1521 co-relation queries the response was YES. [2023-11-30 07:19:38,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2337 conditions, 760 events. 264/760 cut-off events. For 1097/1521 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5676 event pairs, 15 based on Foata normal form. 61/557 useless extension candidates. Maximal degree in co-relation 2296. Up to 361 conditions per place. [2023-11-30 07:19:38,612 INFO L140 encePairwiseOnDemand]: 98/106 looper letters, 60 selfloop transitions, 19 changer transitions 0/152 dead transitions. [2023-11-30 07:19:38,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 152 transitions, 885 flow [2023-11-30 07:19:38,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 07:19:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 07:19:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 535 transitions. [2023-11-30 07:19:38,614 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8411949685534591 [2023-11-30 07:19:38,614 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 535 transitions. [2023-11-30 07:19:38,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 535 transitions. [2023-11-30 07:19:38,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:38,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 535 transitions. [2023-11-30 07:19:38,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 0 states have call successors, (0), 0 states 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 07:19:38,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 106.0) internal successors, (742), 7 states have internal predecessors, (742), 0 states have call successors, (0), 0 states 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 07:19:38,617 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 106.0) internal successors, (742), 7 states have internal predecessors, (742), 0 states have call successors, (0), 0 states 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 07:19:38,618 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 17 predicate places. [2023-11-30 07:19:38,619 INFO L500 AbstractCegarLoop]: Abstraction has has 93 places, 152 transitions, 885 flow [2023-11-30 07:19:38,619 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.2) internal successors, (416), 5 states have internal predecessors, (416), 0 states have call successors, (0), 0 states 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 07:19:38,619 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:38,619 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:38,619 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 07:19:38,619 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:38,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:38,620 INFO L85 PathProgramCache]: Analyzing trace with hash 186526591, now seen corresponding path program 1 times [2023-11-30 07:19:38,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:38,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106090498] [2023-11-30 07:19:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:38,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:38,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:38,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106090498] [2023-11-30 07:19:38,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106090498] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:38,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491002079] [2023-11-30 07:19:38,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:38,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:38,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:38,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:38,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-30 07:19:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:38,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-30 07:19:38,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:38,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:38,877 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 07:19:38,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491002079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:38,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-30 07:19:38,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-11-30 07:19:38,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631409351] [2023-11-30 07:19:38,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:38,884 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 07:19:38,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:38,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 07:19:38,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-30 07:19:38,886 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:19:38,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 152 transitions, 885 flow. Second operand has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 0 states have call successors, (0), 0 states 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 07:19:38,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:38,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:19:38,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:38,964 INFO L124 PetriNetUnfolderBase]: 205/646 cut-off events. [2023-11-30 07:19:38,964 INFO L125 PetriNetUnfolderBase]: For 1801/2324 co-relation queries the response was YES. [2023-11-30 07:19:38,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2220 conditions, 646 events. 205/646 cut-off events. For 1801/2324 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4444 event pairs, 19 based on Foata normal form. 41/502 useless extension candidates. Maximal degree in co-relation 2176. Up to 281 conditions per place. [2023-11-30 07:19:38,968 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 68 selfloop transitions, 3 changer transitions 0/144 dead transitions. [2023-11-30 07:19:38,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 144 transitions, 951 flow [2023-11-30 07:19:38,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 07:19:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 07:19:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 344 transitions. [2023-11-30 07:19:38,970 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8113207547169812 [2023-11-30 07:19:38,970 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 344 transitions. [2023-11-30 07:19:38,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 344 transitions. [2023-11-30 07:19:38,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:38,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 344 transitions. [2023-11-30 07:19:38,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states 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 07:19:38,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 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 07:19:38,971 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 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 07:19:38,972 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 18 predicate places. [2023-11-30 07:19:38,972 INFO L500 AbstractCegarLoop]: Abstraction has has 94 places, 144 transitions, 951 flow [2023-11-30 07:19:38,972 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 0 states have call successors, (0), 0 states 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 07:19:38,972 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:38,973 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:38,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-30 07:19:39,177 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:39,179 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:39,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:39,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1596607506, now seen corresponding path program 1 times [2023-11-30 07:19:39,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:39,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840542695] [2023-11-30 07:19:39,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:39,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:39,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:39,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:39,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840542695] [2023-11-30 07:19:39,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840542695] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:39,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289685641] [2023-11-30 07:19:39,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:39,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:39,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:39,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:39,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-30 07:19:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:39,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-30 07:19:39,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:39,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 07:19:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:39,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289685641] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 07:19:39,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 07:19:39,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-30 07:19:39,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398866234] [2023-11-30 07:19:39,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 07:19:39,441 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-30 07:19:39,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:39,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-30 07:19:39,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-30 07:19:39,442 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 106 [2023-11-30 07:19:39,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 144 transitions, 951 flow. Second operand has 7 states, 7 states have (on average 89.57142857142857) internal successors, (627), 7 states have internal predecessors, (627), 0 states have call successors, (0), 0 states 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 07:19:39,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:39,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 106 [2023-11-30 07:19:39,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:39,525 INFO L124 PetriNetUnfolderBase]: 281/984 cut-off events. [2023-11-30 07:19:39,525 INFO L125 PetriNetUnfolderBase]: For 4361/5146 co-relation queries the response was YES. [2023-11-30 07:19:39,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3558 conditions, 984 events. 281/984 cut-off events. For 4361/5146 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 7274 event pairs, 42 based on Foata normal form. 39/724 useless extension candidates. Maximal degree in co-relation 3511. Up to 506 conditions per place. [2023-11-30 07:19:39,530 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 48 selfloop transitions, 27 changer transitions 0/168 dead transitions. [2023-11-30 07:19:39,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 168 transitions, 1353 flow [2023-11-30 07:19:39,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 07:19:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 07:19:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 549 transitions. [2023-11-30 07:19:39,532 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8632075471698113 [2023-11-30 07:19:39,532 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 549 transitions. [2023-11-30 07:19:39,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 549 transitions. [2023-11-30 07:19:39,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:39,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 549 transitions. [2023-11-30 07:19:39,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states 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 07:19:39,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 106.0) internal successors, (742), 7 states have internal predecessors, (742), 0 states have call successors, (0), 0 states 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 07:19:39,534 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 106.0) internal successors, (742), 7 states have internal predecessors, (742), 0 states have call successors, (0), 0 states 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 07:19:39,536 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 23 predicate places. [2023-11-30 07:19:39,536 INFO L500 AbstractCegarLoop]: Abstraction has has 99 places, 168 transitions, 1353 flow [2023-11-30 07:19:39,537 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.57142857142857) internal successors, (627), 7 states have internal predecessors, (627), 0 states have call successors, (0), 0 states 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 07:19:39,537 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:39,537 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 07:19:39,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-30 07:19:39,741 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-30 07:19:39,741 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:39,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1647651542, now seen corresponding path program 1 times [2023-11-30 07:19:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:39,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999608451] [2023-11-30 07:19:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:39,789 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 07:19:39,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:39,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999608451] [2023-11-30 07:19:39,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999608451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:39,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:19:39,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 07:19:39,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206370059] [2023-11-30 07:19:39,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:39,790 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 07:19:39,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:39,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 07:19:39,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-30 07:19:39,791 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:19:39,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 168 transitions, 1353 flow. Second operand has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 07:19:39,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:39,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:19:39,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:39,887 INFO L124 PetriNetUnfolderBase]: 292/1102 cut-off events. [2023-11-30 07:19:39,887 INFO L125 PetriNetUnfolderBase]: For 5749/6592 co-relation queries the response was YES. [2023-11-30 07:19:39,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4294 conditions, 1102 events. 292/1102 cut-off events. For 5749/6592 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 8453 event pairs, 35 based on Foata normal form. 48/827 useless extension candidates. Maximal degree in co-relation 4244. Up to 607 conditions per place. [2023-11-30 07:19:39,894 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 89 selfloop transitions, 21 changer transitions 0/183 dead transitions. [2023-11-30 07:19:39,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 183 transitions, 1723 flow [2023-11-30 07:19:39,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-30 07:19:39,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-30 07:19:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 608 transitions. [2023-11-30 07:19:39,896 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8194070080862533 [2023-11-30 07:19:39,896 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 608 transitions. [2023-11-30 07:19:39,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 608 transitions. [2023-11-30 07:19:39,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:39,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 608 transitions. [2023-11-30 07:19:39,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 86.85714285714286) internal successors, (608), 7 states have internal predecessors, (608), 0 states have call successors, (0), 0 states 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 07:19:39,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 106.0) internal successors, (848), 8 states have internal predecessors, (848), 0 states have call successors, (0), 0 states 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 07:19:39,898 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 106.0) internal successors, (848), 8 states have internal predecessors, (848), 0 states have call successors, (0), 0 states 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 07:19:39,899 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 29 predicate places. [2023-11-30 07:19:39,899 INFO L500 AbstractCegarLoop]: Abstraction has has 105 places, 183 transitions, 1723 flow [2023-11-30 07:19:39,899 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 07:19:39,899 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:39,899 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:39,899 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 07:19:39,899 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:39,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1487357325, now seen corresponding path program 1 times [2023-11-30 07:19:39,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:39,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264584778] [2023-11-30 07:19:39,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:39,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:39,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:39,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264584778] [2023-11-30 07:19:39,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264584778] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:39,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61349149] [2023-11-30 07:19:39,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:39,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:39,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:39,947 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:39,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-30 07:19:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:39,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-30 07:19:40,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:40,041 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 07:19:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:40,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61349149] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 07:19:40,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 07:19:40,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-30 07:19:40,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404801189] [2023-11-30 07:19:40,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 07:19:40,095 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-30 07:19:40,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:40,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-30 07:19:40,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-30 07:19:40,097 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:19:40,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 183 transitions, 1723 flow. Second operand has 12 states, 12 states have (on average 84.41666666666667) internal successors, (1013), 12 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states 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 07:19:40,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:40,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:19:40,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:40,504 INFO L124 PetriNetUnfolderBase]: 649/2703 cut-off events. [2023-11-30 07:19:40,505 INFO L125 PetriNetUnfolderBase]: For 21888/24009 co-relation queries the response was YES. [2023-11-30 07:19:40,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10947 conditions, 2703 events. 649/2703 cut-off events. For 21888/24009 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 25044 event pairs, 112 based on Foata normal form. 151/2167 useless extension candidates. Maximal degree in co-relation 10894. Up to 1501 conditions per place. [2023-11-30 07:19:40,522 INFO L140 encePairwiseOnDemand]: 98/106 looper letters, 138 selfloop transitions, 132 changer transitions 0/343 dead transitions. [2023-11-30 07:19:40,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 343 transitions, 4307 flow [2023-11-30 07:19:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-30 07:19:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2023-11-30 07:19:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2011 transitions. [2023-11-30 07:19:40,526 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8248564397046759 [2023-11-30 07:19:40,526 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2011 transitions. [2023-11-30 07:19:40,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2011 transitions. [2023-11-30 07:19:40,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:40,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2011 transitions. [2023-11-30 07:19:40,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 87.43478260869566) internal successors, (2011), 23 states have internal predecessors, (2011), 0 states have call successors, (0), 0 states 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 07:19:40,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 106.0) internal successors, (2544), 24 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states 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 07:19:40,536 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 106.0) internal successors, (2544), 24 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states 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 07:19:40,537 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 51 predicate places. [2023-11-30 07:19:40,538 INFO L500 AbstractCegarLoop]: Abstraction has has 127 places, 343 transitions, 4307 flow [2023-11-30 07:19:40,538 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 84.41666666666667) internal successors, (1013), 12 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states 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 07:19:40,538 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:40,538 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:40,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-30 07:19:40,742 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:40,743 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:40,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:40,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1036496871, now seen corresponding path program 1 times [2023-11-30 07:19:40,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:40,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011029952] [2023-11-30 07:19:40,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:40,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:40,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:40,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011029952] [2023-11-30 07:19:40,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011029952] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:40,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317603678] [2023-11-30 07:19:40,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:40,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:40,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:40,798 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:40,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-30 07:19:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:40,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-30 07:19:40,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:40,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 07:19:40,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317603678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:40,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-30 07:19:40,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-11-30 07:19:40,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225717304] [2023-11-30 07:19:40,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:40,874 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 07:19:40,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:40,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 07:19:40,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-30 07:19:40,875 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 106 [2023-11-30 07:19:40,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 343 transitions, 4307 flow. Second operand has 5 states, 5 states have (on average 82.0) internal successors, (410), 5 states have internal predecessors, (410), 0 states have call successors, (0), 0 states 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 07:19:40,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:40,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 106 [2023-11-30 07:19:40,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:41,176 INFO L124 PetriNetUnfolderBase]: 649/2663 cut-off events. [2023-11-30 07:19:41,176 INFO L125 PetriNetUnfolderBase]: For 37182/46190 co-relation queries the response was YES. [2023-11-30 07:19:41,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12507 conditions, 2663 events. 649/2663 cut-off events. For 37182/46190 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 24262 event pairs, 126 based on Foata normal form. 407/2465 useless extension candidates. Maximal degree in co-relation 12450. Up to 1456 conditions per place. [2023-11-30 07:19:41,197 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 135 selfloop transitions, 5 changer transitions 0/342 dead transitions. [2023-11-30 07:19:41,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 342 transitions, 4583 flow [2023-11-30 07:19:41,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 07:19:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 07:19:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 331 transitions. [2023-11-30 07:19:41,198 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7806603773584906 [2023-11-30 07:19:41,198 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 331 transitions. [2023-11-30 07:19:41,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 331 transitions. [2023-11-30 07:19:41,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:41,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 331 transitions. [2023-11-30 07:19:41,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 07:19:41,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 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 07:19:41,200 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 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 07:19:41,200 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 53 predicate places. [2023-11-30 07:19:41,200 INFO L500 AbstractCegarLoop]: Abstraction has has 129 places, 342 transitions, 4583 flow [2023-11-30 07:19:41,200 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 82.0) internal successors, (410), 5 states have internal predecessors, (410), 0 states have call successors, (0), 0 states 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 07:19:41,200 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:41,201 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:41,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-30 07:19:41,405 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:41,405 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:41,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:41,406 INFO L85 PathProgramCache]: Analyzing trace with hash 2066632137, now seen corresponding path program 1 times [2023-11-30 07:19:41,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:41,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908182127] [2023-11-30 07:19:41,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:41,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:41,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-30 07:19:41,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:41,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908182127] [2023-11-30 07:19:41,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908182127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:41,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:19:41,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 07:19:41,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531484580] [2023-11-30 07:19:41,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:41,436 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 07:19:41,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:41,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 07:19:41,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 07:19:41,436 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 106 [2023-11-30 07:19:41,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 342 transitions, 4583 flow. Second operand has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states 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 07:19:41,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:41,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 106 [2023-11-30 07:19:41,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:41,790 INFO L124 PetriNetUnfolderBase]: 657/2540 cut-off events. [2023-11-30 07:19:41,790 INFO L125 PetriNetUnfolderBase]: For 29968/40591 co-relation queries the response was YES. [2023-11-30 07:19:41,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13722 conditions, 2540 events. 657/2540 cut-off events. For 29968/40591 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 22486 event pairs, 120 based on Foata normal form. 814/2860 useless extension candidates. Maximal degree in co-relation 13661. Up to 1335 conditions per place. [2023-11-30 07:19:41,811 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 131 selfloop transitions, 8 changer transitions 0/341 dead transitions. [2023-11-30 07:19:41,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 341 transitions, 4855 flow [2023-11-30 07:19:41,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 07:19:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 07:19:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 410 transitions. [2023-11-30 07:19:41,812 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7735849056603774 [2023-11-30 07:19:41,813 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 410 transitions. [2023-11-30 07:19:41,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 410 transitions. [2023-11-30 07:19:41,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:41,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 410 transitions. [2023-11-30 07:19:41,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 82.0) internal successors, (410), 5 states have internal predecessors, (410), 0 states have call successors, (0), 0 states 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 07:19:41,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:41,814 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:41,815 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 56 predicate places. [2023-11-30 07:19:41,815 INFO L500 AbstractCegarLoop]: Abstraction has has 132 places, 341 transitions, 4855 flow [2023-11-30 07:19:41,815 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states 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 07:19:41,815 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:41,815 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:41,815 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-30 07:19:41,815 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:41,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:41,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1210667837, now seen corresponding path program 1 times [2023-11-30 07:19:41,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:41,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316012721] [2023-11-30 07:19:41,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:41,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:41,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:41,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316012721] [2023-11-30 07:19:41,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316012721] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:41,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943654740] [2023-11-30 07:19:41,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:41,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:41,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:41,855 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:41,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-30 07:19:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:41,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-30 07:19:41,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:41,944 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:41,945 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-30 07:19:41,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943654740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:41,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-30 07:19:41,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-11-30 07:19:41,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393547299] [2023-11-30 07:19:41,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:41,947 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 07:19:41,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:41,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 07:19:41,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-30 07:19:41,947 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 106 [2023-11-30 07:19:41,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 341 transitions, 4855 flow. Second operand has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 07:19:41,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:41,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 106 [2023-11-30 07:19:41,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:42,196 INFO L124 PetriNetUnfolderBase]: 629/2402 cut-off events. [2023-11-30 07:19:42,197 INFO L125 PetriNetUnfolderBase]: For 27176/32246 co-relation queries the response was YES. [2023-11-30 07:19:42,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14111 conditions, 2402 events. 629/2402 cut-off events. For 27176/32246 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 20817 event pairs, 60 based on Foata normal form. 147/2099 useless extension candidates. Maximal degree in co-relation 14048. Up to 1250 conditions per place. [2023-11-30 07:19:42,220 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 152 selfloop transitions, 5 changer transitions 0/358 dead transitions. [2023-11-30 07:19:42,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 358 transitions, 5561 flow [2023-11-30 07:19:42,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 07:19:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 07:19:42,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 342 transitions. [2023-11-30 07:19:42,221 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8066037735849056 [2023-11-30 07:19:42,221 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 342 transitions. [2023-11-30 07:19:42,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 342 transitions. [2023-11-30 07:19:42,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:42,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 342 transitions. [2023-11-30 07:19:42,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 85.5) internal successors, (342), 4 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 07:19:42,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 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 07:19:42,224 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 106.0) internal successors, (530), 5 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 07:19:42,224 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 58 predicate places. [2023-11-30 07:19:42,224 INFO L500 AbstractCegarLoop]: Abstraction has has 134 places, 358 transitions, 5561 flow [2023-11-30 07:19:42,224 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 07:19:42,224 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:42,224 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:42,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-30 07:19:42,429 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-30 07:19:42,429 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting thread_function_dataraceErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:42,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:42,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1124003025, now seen corresponding path program 1 times [2023-11-30 07:19:42,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:42,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726881174] [2023-11-30 07:19:42,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:42,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-30 07:19:42,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:42,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726881174] [2023-11-30 07:19:42,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726881174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 07:19:42,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 07:19:42,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 07:19:42,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337618275] [2023-11-30 07:19:42,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 07:19:42,459 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 07:19:42,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:42,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 07:19:42,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 07:19:42,460 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 106 [2023-11-30 07:19:42,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 358 transitions, 5561 flow. Second operand has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 states 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 07:19:42,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:42,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 106 [2023-11-30 07:19:42,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:42,761 INFO L124 PetriNetUnfolderBase]: 591/2341 cut-off events. [2023-11-30 07:19:42,761 INFO L125 PetriNetUnfolderBase]: For 28887/33998 co-relation queries the response was YES. [2023-11-30 07:19:42,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14531 conditions, 2341 events. 591/2341 cut-off events. For 28887/33998 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 20252 event pairs, 35 based on Foata normal form. 212/2161 useless extension candidates. Maximal degree in co-relation 14466. Up to 1235 conditions per place. [2023-11-30 07:19:42,778 INFO L140 encePairwiseOnDemand]: 100/106 looper letters, 194 selfloop transitions, 8 changer transitions 0/403 dead transitions. [2023-11-30 07:19:42,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 403 transitions, 7063 flow [2023-11-30 07:19:42,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 07:19:42,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 07:19:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 425 transitions. [2023-11-30 07:19:42,780 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8018867924528302 [2023-11-30 07:19:42,780 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 425 transitions. [2023-11-30 07:19:42,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 425 transitions. [2023-11-30 07:19:42,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:42,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 425 transitions. [2023-11-30 07:19:42,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 0 states have call successors, (0), 0 states 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 07:19:42,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:42,782 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 07:19:42,783 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 61 predicate places. [2023-11-30 07:19:42,783 INFO L500 AbstractCegarLoop]: Abstraction has has 137 places, 403 transitions, 7063 flow [2023-11-30 07:19:42,783 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.25) internal successors, (337), 4 states have internal predecessors, (337), 0 states have call successors, (0), 0 states 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 07:19:42,783 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:42,783 INFO L232 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:42,783 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-30 07:19:42,783 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:42,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:42,783 INFO L85 PathProgramCache]: Analyzing trace with hash -352128464, now seen corresponding path program 2 times [2023-11-30 07:19:42,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:42,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713804532] [2023-11-30 07:19:42,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:42,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:42,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:42,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713804532] [2023-11-30 07:19:42,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713804532] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:42,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066609686] [2023-11-30 07:19:42,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 07:19:42,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:42,853 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:42,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-30 07:19:42,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-30 07:19:42,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 07:19:42,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-30 07:19:42,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:42,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 07:19:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:43,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066609686] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 07:19:43,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 07:19:43,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-30 07:19:43,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615169048] [2023-11-30 07:19:43,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 07:19:43,057 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-30 07:19:43,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:43,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-30 07:19:43,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-30 07:19:43,058 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 106 [2023-11-30 07:19:43,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 403 transitions, 7063 flow. Second operand has 13 states, 13 states have (on average 89.3076923076923) internal successors, (1161), 13 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states 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 07:19:43,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:43,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 106 [2023-11-30 07:19:43,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:43,529 INFO L124 PetriNetUnfolderBase]: 735/3477 cut-off events. [2023-11-30 07:19:43,529 INFO L125 PetriNetUnfolderBase]: For 44892/49882 co-relation queries the response was YES. [2023-11-30 07:19:43,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21199 conditions, 3477 events. 735/3477 cut-off events. For 44892/49882 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 30288 event pairs, 46 based on Foata normal form. 123/3074 useless extension candidates. Maximal degree in co-relation 21131. Up to 2125 conditions per place. [2023-11-30 07:19:43,552 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 212 selfloop transitions, 108 changer transitions 0/481 dead transitions. [2023-11-30 07:19:43,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 481 transitions, 9371 flow [2023-11-30 07:19:43,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-30 07:19:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-30 07:19:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1098 transitions. [2023-11-30 07:19:43,554 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8632075471698113 [2023-11-30 07:19:43,554 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1098 transitions. [2023-11-30 07:19:43,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1098 transitions. [2023-11-30 07:19:43,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:43,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1098 transitions. [2023-11-30 07:19:43,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 91.5) internal successors, (1098), 12 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states 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 07:19:43,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 106.0) internal successors, (1378), 13 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states 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 07:19:43,558 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 106.0) internal successors, (1378), 13 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states 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 07:19:43,558 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 72 predicate places. [2023-11-30 07:19:43,558 INFO L500 AbstractCegarLoop]: Abstraction has has 148 places, 481 transitions, 9371 flow [2023-11-30 07:19:43,559 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 89.3076923076923) internal successors, (1161), 13 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states 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 07:19:43,559 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:43,559 INFO L232 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 07:19:43,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-30 07:19:43,763 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:43,764 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:43,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:43,764 INFO L85 PathProgramCache]: Analyzing trace with hash 631964900, now seen corresponding path program 1 times [2023-11-30 07:19:43,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:43,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333232105] [2023-11-30 07:19:43,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:43,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:43,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:43,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333232105] [2023-11-30 07:19:43,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333232105] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:43,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265127565] [2023-11-30 07:19:43,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:43,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:43,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:43,837 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:43,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-30 07:19:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:43,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-30 07:19:43,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:43,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 07:19:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:44,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265127565] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 07:19:44,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 07:19:44,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-11-30 07:19:44,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601145281] [2023-11-30 07:19:44,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 07:19:44,032 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-30 07:19:44,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:44,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-30 07:19:44,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2023-11-30 07:19:44,033 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:19:44,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 481 transitions, 9371 flow. Second operand has 15 states, 15 states have (on average 83.6) internal successors, (1254), 15 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states 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 07:19:44,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:44,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:19:44,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:44,829 INFO L124 PetriNetUnfolderBase]: 820/3896 cut-off events. [2023-11-30 07:19:44,830 INFO L125 PetriNetUnfolderBase]: For 60906/67259 co-relation queries the response was YES. [2023-11-30 07:19:44,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25038 conditions, 3896 events. 820/3896 cut-off events. For 60906/67259 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 34607 event pairs, 48 based on Foata normal form. 193/3518 useless extension candidates. Maximal degree in co-relation 24967. Up to 2395 conditions per place. [2023-11-30 07:19:44,862 INFO L140 encePairwiseOnDemand]: 98/106 looper letters, 355 selfloop transitions, 265 changer transitions 0/689 dead transitions. [2023-11-30 07:19:44,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 689 transitions, 14215 flow [2023-11-30 07:19:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-30 07:19:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2023-11-30 07:19:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 2936 transitions. [2023-11-30 07:19:44,867 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8146503884572697 [2023-11-30 07:19:44,867 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 2936 transitions. [2023-11-30 07:19:44,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 2936 transitions. [2023-11-30 07:19:44,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:44,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 2936 transitions. [2023-11-30 07:19:44,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 86.3529411764706) internal successors, (2936), 34 states have internal predecessors, (2936), 0 states have call successors, (0), 0 states 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 07:19:44,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 106.0) internal successors, (3710), 35 states have internal predecessors, (3710), 0 states have call successors, (0), 0 states 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 07:19:44,876 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 106.0) internal successors, (3710), 35 states have internal predecessors, (3710), 0 states have call successors, (0), 0 states 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 07:19:44,877 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 105 predicate places. [2023-11-30 07:19:44,877 INFO L500 AbstractCegarLoop]: Abstraction has has 181 places, 689 transitions, 14215 flow [2023-11-30 07:19:44,877 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 83.6) internal successors, (1254), 15 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states 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 07:19:44,877 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:44,878 INFO L232 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 07:19:44,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-30 07:19:45,082 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:45,082 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:45,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:45,082 INFO L85 PathProgramCache]: Analyzing trace with hash -741277216, now seen corresponding path program 1 times [2023-11-30 07:19:45,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:45,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764041584] [2023-11-30 07:19:45,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:45,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:45,155 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:45,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:45,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764041584] [2023-11-30 07:19:45,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764041584] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:45,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482289857] [2023-11-30 07:19:45,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:45,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:45,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:45,156 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:45,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-30 07:19:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:45,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-30 07:19:45,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:45,310 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:45,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 07:19:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:45,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482289857] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 07:19:45,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 07:19:45,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-11-30 07:19:45,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931713944] [2023-11-30 07:19:45,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 07:19:45,403 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-30 07:19:45,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:45,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-30 07:19:45,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2023-11-30 07:19:45,404 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:19:45,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 689 transitions, 14215 flow. Second operand has 18 states, 18 states have (on average 83.72222222222223) internal successors, (1507), 18 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states 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 07:19:45,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:45,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:19:45,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:47,070 INFO L124 PetriNetUnfolderBase]: 1372/7214 cut-off events. [2023-11-30 07:19:47,074 INFO L125 PetriNetUnfolderBase]: For 115167/124998 co-relation queries the response was YES. [2023-11-30 07:19:47,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46584 conditions, 7214 events. 1372/7214 cut-off events. For 115167/124998 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 76431 event pairs, 92 based on Foata normal form. 308/6510 useless extension candidates. Maximal degree in co-relation 46510. Up to 4792 conditions per place. [2023-11-30 07:19:47,140 INFO L140 encePairwiseOnDemand]: 99/106 looper letters, 510 selfloop transitions, 654 changer transitions 0/1233 dead transitions. [2023-11-30 07:19:47,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 1233 transitions, 28711 flow [2023-11-30 07:19:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-30 07:19:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2023-11-30 07:19:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 4638 transitions. [2023-11-30 07:19:47,146 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.825560697757209 [2023-11-30 07:19:47,146 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 4638 transitions. [2023-11-30 07:19:47,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 4638 transitions. [2023-11-30 07:19:47,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:47,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 4638 transitions. [2023-11-30 07:19:47,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 87.50943396226415) internal successors, (4638), 53 states have internal predecessors, (4638), 0 states have call successors, (0), 0 states 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 07:19:47,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 106.0) internal successors, (5724), 54 states have internal predecessors, (5724), 0 states have call successors, (0), 0 states 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 07:19:47,170 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 106.0) internal successors, (5724), 54 states have internal predecessors, (5724), 0 states have call successors, (0), 0 states 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 07:19:47,171 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 157 predicate places. [2023-11-30 07:19:47,171 INFO L500 AbstractCegarLoop]: Abstraction has has 233 places, 1233 transitions, 28711 flow [2023-11-30 07:19:47,172 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 83.72222222222223) internal successors, (1507), 18 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states 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 07:19:47,172 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:47,172 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:47,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-30 07:19:47,376 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-30 07:19:47,376 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:47,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:47,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1466714005, now seen corresponding path program 1 times [2023-11-30 07:19:47,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:47,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132067569] [2023-11-30 07:19:47,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:47,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:47,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:47,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132067569] [2023-11-30 07:19:47,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132067569] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:47,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458211681] [2023-11-30 07:19:47,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:47,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:47,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:47,545 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:47,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-30 07:19:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:47,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-30 07:19:47,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:47,656 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:47,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 07:19:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:47,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458211681] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 07:19:47,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 07:19:47,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-30 07:19:47,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810117969] [2023-11-30 07:19:47,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 07:19:47,774 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-30 07:19:47,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:47,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-30 07:19:47,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2023-11-30 07:19:47,776 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:19:47,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 1233 transitions, 28711 flow. Second operand has 19 states, 19 states have (on average 83.6842105263158) internal successors, (1590), 19 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states 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 07:19:47,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:47,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:19:47,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:19:50,707 INFO L124 PetriNetUnfolderBase]: 2145/11466 cut-off events. [2023-11-30 07:19:50,708 INFO L125 PetriNetUnfolderBase]: For 211959/229260 co-relation queries the response was YES. [2023-11-30 07:19:50,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77078 conditions, 11466 events. 2145/11466 cut-off events. For 211959/229260 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 135564 event pairs, 168 based on Foata normal form. 681/10604 useless extension candidates. Maximal degree in co-relation 77001. Up to 7623 conditions per place. [2023-11-30 07:19:50,903 INFO L140 encePairwiseOnDemand]: 98/106 looper letters, 799 selfloop transitions, 1126 changer transitions 0/1994 dead transitions. [2023-11-30 07:19:50,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 1994 transitions, 51317 flow [2023-11-30 07:19:50,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-11-30 07:19:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2023-11-30 07:19:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 5326 transitions. [2023-11-30 07:19:50,913 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8236931642437365 [2023-11-30 07:19:50,913 INFO L72 ComplementDD]: Start complementDD. Operand 61 states and 5326 transitions. [2023-11-30 07:19:50,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 5326 transitions. [2023-11-30 07:19:50,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:19:50,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 61 states and 5326 transitions. [2023-11-30 07:19:50,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 62 states, 61 states have (on average 87.31147540983606) internal successors, (5326), 61 states have internal predecessors, (5326), 0 states have call successors, (0), 0 states 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 07:19:50,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 62 states, 62 states have (on average 106.0) internal successors, (6572), 62 states have internal predecessors, (6572), 0 states have call successors, (0), 0 states 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 07:19:50,931 INFO L81 ComplementDD]: Finished complementDD. Result has 62 states, 62 states have (on average 106.0) internal successors, (6572), 62 states have internal predecessors, (6572), 0 states have call successors, (0), 0 states 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 07:19:50,931 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 217 predicate places. [2023-11-30 07:19:50,931 INFO L500 AbstractCegarLoop]: Abstraction has has 293 places, 1994 transitions, 51317 flow [2023-11-30 07:19:50,932 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 83.6842105263158) internal successors, (1590), 19 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states 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 07:19:50,932 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:19:50,932 INFO L232 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:19:50,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-30 07:19:51,137 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-30 07:19:51,137 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:19:51,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:19:51,137 INFO L85 PathProgramCache]: Analyzing trace with hash -427927072, now seen corresponding path program 1 times [2023-11-30 07:19:51,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:19:51,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576438137] [2023-11-30 07:19:51,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:51,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:19:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:51,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:19:51,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576438137] [2023-11-30 07:19:51,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576438137] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:19:51,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600366559] [2023-11-30 07:19:51,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:19:51,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:19:51,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:19:51,296 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:19:51,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-30 07:19:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:19:51,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-30 07:19:51,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:19:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:51,436 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 07:19:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:19:51,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600366559] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 07:19:51,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 07:19:51,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 29 [2023-11-30 07:19:51,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570739546] [2023-11-30 07:19:51,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 07:19:51,652 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-30 07:19:51,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:19:51,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-30 07:19:51,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2023-11-30 07:19:51,655 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:19:51,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 1994 transitions, 51317 flow. Second operand has 30 states, 30 states have (on average 83.7) internal successors, (2511), 30 states have internal predecessors, (2511), 0 states have call successors, (0), 0 states 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 07:19:51,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:19:51,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:19:51,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:20:05,214 INFO L124 PetriNetUnfolderBase]: 6100/35927 cut-off events. [2023-11-30 07:20:05,215 INFO L125 PetriNetUnfolderBase]: For 685355/731374 co-relation queries the response was YES. [2023-11-30 07:20:05,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239109 conditions, 35927 events. 6100/35927 cut-off events. For 685355/731374 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 500138 event pairs, 721 based on Foata normal form. 1920/33090 useless extension candidates. Maximal degree in co-relation 239029. Up to 24962 conditions per place. [2023-11-30 07:20:05,597 INFO L140 encePairwiseOnDemand]: 99/106 looper letters, 1866 selfloop transitions, 3482 changer transitions 0/5417 dead transitions. [2023-11-30 07:20:05,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 5417 transitions, 153963 flow [2023-11-30 07:20:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-11-30 07:20:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2023-11-30 07:20:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 12060 transitions. [2023-11-30 07:20:05,614 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8304641233989809 [2023-11-30 07:20:05,615 INFO L72 ComplementDD]: Start complementDD. Operand 137 states and 12060 transitions. [2023-11-30 07:20:05,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 12060 transitions. [2023-11-30 07:20:05,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:20:05,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 137 states and 12060 transitions. [2023-11-30 07:20:05,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 138 states, 137 states have (on average 88.02919708029196) internal successors, (12060), 137 states have internal predecessors, (12060), 0 states have call successors, (0), 0 states 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 07:20:05,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 138 states, 138 states have (on average 106.0) internal successors, (14628), 138 states have internal predecessors, (14628), 0 states have call successors, (0), 0 states 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 07:20:05,667 INFO L81 ComplementDD]: Finished complementDD. Result has 138 states, 138 states have (on average 106.0) internal successors, (14628), 138 states have internal predecessors, (14628), 0 states have call successors, (0), 0 states 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 07:20:05,668 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 353 predicate places. [2023-11-30 07:20:05,668 INFO L500 AbstractCegarLoop]: Abstraction has has 429 places, 5417 transitions, 153963 flow [2023-11-30 07:20:05,669 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 83.7) internal successors, (2511), 30 states have internal predecessors, (2511), 0 states have call successors, (0), 0 states 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 07:20:05,669 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:20:05,669 INFO L232 CegarLoopForPetriNet]: trace histogram [11, 11, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:20:05,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-30 07:20:05,873 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-30 07:20:05,873 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:20:05,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:20:05,874 INFO L85 PathProgramCache]: Analyzing trace with hash 844055259, now seen corresponding path program 2 times [2023-11-30 07:20:05,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:20:05,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410371873] [2023-11-30 07:20:05,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:20:05,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:20:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:20:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:20:06,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:20:06,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410371873] [2023-11-30 07:20:06,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410371873] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:20:06,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085012155] [2023-11-30 07:20:06,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 07:20:06,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:20:06,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:20:06,145 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:20:06,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-30 07:20:06,215 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-30 07:20:06,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 07:20:06,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-30 07:20:06,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:20:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:20:06,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 07:20:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:20:06,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085012155] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 07:20:06,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 07:20:06,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2023-11-30 07:20:06,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472729233] [2023-11-30 07:20:06,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 07:20:06,641 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-30 07:20:06,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:20:06,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-30 07:20:06,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=757, Unknown=0, NotChecked=0, Total=1190 [2023-11-30 07:20:06,644 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:20:06,646 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 5417 transitions, 153963 flow. Second operand has 35 states, 35 states have (on average 83.37142857142857) internal successors, (2918), 35 states have internal predecessors, (2918), 0 states have call successors, (0), 0 states 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 07:20:06,646 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:20:06,646 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:20:06,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 07:21:43,938 INFO L124 PetriNetUnfolderBase]: 16232/109767 cut-off events. [2023-11-30 07:21:43,938 INFO L125 PetriNetUnfolderBase]: For 1946640/2056680 co-relation queries the response was YES. [2023-11-30 07:21:44,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 723723 conditions, 109767 events. 16232/109767 cut-off events. For 1946640/2056680 co-relation queries the response was YES. Maximal size of possible extension queue 1749. Compared 1762307 event pairs, 1880 based on Foata normal form. 5782/101831 useless extension candidates. Maximal degree in co-relation 723640. Up to 80236 conditions per place. [2023-11-30 07:21:45,431 INFO L140 encePairwiseOnDemand]: 98/106 looper letters, 6165 selfloop transitions, 10796 changer transitions 0/17030 dead transitions. [2023-11-30 07:21:45,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 17030 transitions, 514993 flow [2023-11-30 07:21:45,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2023-11-30 07:21:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2023-11-30 07:21:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 12670 transitions. [2023-11-30 07:21:45,473 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8243331164606376 [2023-11-30 07:21:45,473 INFO L72 ComplementDD]: Start complementDD. Operand 145 states and 12670 transitions. [2023-11-30 07:21:45,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 12670 transitions. [2023-11-30 07:21:45,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 07:21:45,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 145 states and 12670 transitions. [2023-11-30 07:21:45,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 146 states, 145 states have (on average 87.37931034482759) internal successors, (12670), 145 states have internal predecessors, (12670), 0 states have call successors, (0), 0 states 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 07:21:45,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 146 states, 146 states have (on average 106.0) internal successors, (15476), 146 states have internal predecessors, (15476), 0 states have call successors, (0), 0 states 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 07:21:45,509 INFO L81 ComplementDD]: Finished complementDD. Result has 146 states, 146 states have (on average 106.0) internal successors, (15476), 146 states have internal predecessors, (15476), 0 states have call successors, (0), 0 states 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 07:21:45,509 INFO L307 CegarLoopForPetriNet]: 76 programPoint places, 497 predicate places. [2023-11-30 07:21:45,510 INFO L500 AbstractCegarLoop]: Abstraction has has 573 places, 17030 transitions, 514993 flow [2023-11-30 07:21:45,510 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 83.37142857142857) internal successors, (2918), 35 states have internal predecessors, (2918), 0 states have call successors, (0), 0 states 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 07:21:45,510 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 07:21:45,510 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:21:45,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-30 07:21:45,715 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-30 07:21:45,715 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-11-30 07:21:45,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 07:21:45,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1029448878, now seen corresponding path program 2 times [2023-11-30 07:21:45,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 07:21:45,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643857700] [2023-11-30 07:21:45,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 07:21:45,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 07:21:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 07:21:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:21:45,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 07:21:45,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643857700] [2023-11-30 07:21:45,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643857700] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-30 07:21:45,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220055867] [2023-11-30 07:21:45,994 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-30 07:21:45,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-30 07:21:45,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 07:21:46,004 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-30 07:21:46,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-30 07:21:46,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-30 07:21:46,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-30 07:21:46,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-30 07:21:46,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-30 07:21:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:21:46,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-30 07:21:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 07:21:46,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220055867] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-30 07:21:46,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-30 07:21:46,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 41 [2023-11-30 07:21:46,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057412576] [2023-11-30 07:21:46,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-30 07:21:46,588 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-11-30 07:21:46,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 07:21:46,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-11-30 07:21:46,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=510, Invalid=1212, Unknown=0, NotChecked=0, Total=1722 [2023-11-30 07:21:46,591 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 106 [2023-11-30 07:21:46,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 17030 transitions, 514993 flow. Second operand has 42 states, 42 states have (on average 83.5) internal successors, (3507), 42 states have internal predecessors, (3507), 0 states have call successors, (0), 0 states 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 07:21:46,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 07:21:46,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 106 [2023-11-30 07:21:46,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-11-30 07:33:02,538 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 07:33:02,538 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-30 07:33:03,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-30 07:33:03,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-11-30 07:33:03,816 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 13 remaining) [2023-11-30 07:33:03,816 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-30 07:33:03,817 WARN L624 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2023-11-30 07:33:03,818 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2023-11-30 07:33:03,819 INFO L457 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 07:33:03,822 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 07:33:03,822 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 07:33:03,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 07:33:03 BasicIcfg [2023-11-30 07:33:03,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 07:33:03,825 INFO L158 Benchmark]: Toolchain (without parser) took 807408.49ms. Allocated memory was 471.9MB in the beginning and 6.2GB in the end (delta: 5.7GB). Free memory was 422.5MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 4.9GB. Max. memory is 16.0GB. [2023-11-30 07:33:03,825 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 333.4MB. Free memory is still 279.8MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 07:33:03,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.01ms. Allocated memory is still 471.9MB. Free memory was 422.2MB in the beginning and 384.1MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-11-30 07:33:03,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.50ms. Allocated memory is still 471.9MB. Free memory was 384.1MB in the beginning and 381.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 07:33:03,825 INFO L158 Benchmark]: Boogie Preprocessor took 19.53ms. Allocated memory is still 471.9MB. Free memory was 381.4MB in the beginning and 380.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 07:33:03,826 INFO L158 Benchmark]: RCFGBuilder took 402.29ms. Allocated memory is still 471.9MB. Free memory was 380.0MB in the beginning and 424.7MB in the end (delta: -44.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.0GB. [2023-11-30 07:33:03,826 INFO L158 Benchmark]: TraceAbstraction took 806494.29ms. Allocated memory was 471.9MB in the beginning and 6.2GB in the end (delta: 5.7GB). Free memory was 423.8MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 4.9GB. Max. memory is 16.0GB. [2023-11-30 07:33:03,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 333.4MB. Free memory is still 279.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 436.01ms. Allocated memory is still 471.9MB. Free memory was 422.2MB in the beginning and 384.1MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 52.50ms. Allocated memory is still 471.9MB. Free memory was 384.1MB in the beginning and 381.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.53ms. Allocated memory is still 471.9MB. Free memory was 381.4MB in the beginning and 380.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 402.29ms. Allocated memory is still 471.9MB. Free memory was 380.0MB in the beginning and 424.7MB in the end (delta: -44.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.0GB. * TraceAbstraction took 806494.29ms. Allocated memory was 471.9MB in the beginning and 6.2GB in the end (delta: 5.7GB). Free memory was 423.8MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 4.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1355]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1355]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1352]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1352]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1342]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1330]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1330]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1325]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while executing Executor. - TimeoutResultAtElement [Line: 1325]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 123 locations, 13 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: 806.4s, OverallIterations: 19, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 798.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4068 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4068 mSDsluCounter, 290 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 645 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2517 IncrementalHoareTripleChecker+Invalid, 3162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 645 mSolverCounterUnsat, 78 mSDtfsCounter, 2517 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2215 GetRequests, 1471 SyntacticMatches, 1 SemanticMatches, 743 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44631 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514993occurred in iteration=18, InterpolantAutomatonStates: 521, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2006 NumberOfCodeBlocks, 2006 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2681 ConstructedInterpolants, 0 QuantifiedInterpolants, 7045 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1662 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 40 InterpolantComputations, 10 PerfectInterpolantSequences, 31/2486 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown