/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 11:04:24,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 11:04:24,803 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-VariableLbe.epf [2023-08-26 11:04:24,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 11:04:24,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 11:04:24,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 11:04:24,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 11:04:24,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 11:04:24,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 11:04:24,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 11:04:24,850 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 11:04:24,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 11:04:24,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 11:04:24,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 11:04:24,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 11:04:24,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 11:04:24,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 11:04:24,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 11:04:24,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 11:04:24,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 11:04:24,853 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 11:04:24,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 11:04:24,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 11:04:24,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 11:04:24,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 11:04:24,860 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 11:04:24,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 11:04:24,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 11:04:24,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 11:04:24,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 11:04:24,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 11:04:24,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 11:04:24,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 11:04:24,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 11:04:24,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 11:04:24,863 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 11:04:25,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 11:04:25,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 11:04:25,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 11:04:25,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 11:04:25,169 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 11:04:25,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c [2023-08-26 11:04:26,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 11:04:26,432 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 11:04:26,432 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c [2023-08-26 11:04:26,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2cce370/042903bd29bb44169ec7fcfb93b84db6/FLAG76e2960e7 [2023-08-26 11:04:26,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b2cce370/042903bd29bb44169ec7fcfb93b84db6 [2023-08-26 11:04:26,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 11:04:26,466 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 11:04:26,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 11:04:26,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 11:04:26,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 11:04:26,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8e60dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26, skipping insertion in model container [2023-08-26 11:04:26,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,499 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 11:04:26,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 11:04:26,656 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 11:04:26,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 11:04:26,707 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 11:04:26,707 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 11:04:26,713 INFO L206 MainTranslator]: Completed translation [2023-08-26 11:04:26,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26 WrapperNode [2023-08-26 11:04:26,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 11:04:26,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 11:04:26,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 11:04:26,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 11:04:26,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,774 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2023-08-26 11:04:26,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 11:04:26,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 11:04:26,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 11:04:26,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 11:04:26,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 11:04:26,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 11:04:26,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 11:04:26,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 11:04:26,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (1/1) ... [2023-08-26 11:04:26,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 11:04:26,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 11:04:26,854 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) [2023-08-26 11:04:26,880 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 [2023-08-26 11:04:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 11:04:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-26 11:04:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-26 11:04:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-26 11:04:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-26 11:04:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 11:04:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 11:04:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 11:04:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 11:04:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 11:04:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 11:04:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 11:04:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 11:04:26,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 11:04:26,899 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 11:04:27,022 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 11:04:27,025 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 11:04:27,367 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 11:04:27,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 11:04:27,559 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 11:04:27,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 11:04:27 BoogieIcfgContainer [2023-08-26 11:04:27,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 11:04:27,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 11:04:27,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 11:04:27,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 11:04:27,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 11:04:26" (1/3) ... [2023-08-26 11:04:27,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76df798a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 11:04:27, skipping insertion in model container [2023-08-26 11:04:27,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 11:04:26" (2/3) ... [2023-08-26 11:04:27,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76df798a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 11:04:27, skipping insertion in model container [2023-08-26 11:04:27,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 11:04:27" (3/3) ... [2023-08-26 11:04:27,569 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy6.wvr.c [2023-08-26 11:04:27,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 11:04:27,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-08-26 11:04:27,588 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 11:04:27,665 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-26 11:04:27,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 124 transitions, 264 flow [2023-08-26 11:04:27,776 INFO L124 PetriNetUnfolderBase]: 1/122 cut-off events. [2023-08-26 11:04:27,776 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 11:04:27,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 122 events. 1/122 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 184 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2023-08-26 11:04:27,781 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 124 transitions, 264 flow [2023-08-26 11:04:27,787 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 113 transitions, 238 flow [2023-08-26 11:04:27,790 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 11:04:27,803 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 113 transitions, 238 flow [2023-08-26 11:04:27,806 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 113 transitions, 238 flow [2023-08-26 11:04:27,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 113 transitions, 238 flow [2023-08-26 11:04:27,846 INFO L124 PetriNetUnfolderBase]: 1/113 cut-off events. [2023-08-26 11:04:27,846 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-26 11:04:27,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 113 events. 1/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 183 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2023-08-26 11:04:27,850 INFO L119 LiptonReduction]: Number of co-enabled transitions 3068 [2023-08-26 11:04:30,089 INFO L134 LiptonReduction]: Checked pairs total: 21393 [2023-08-26 11:04:30,089 INFO L136 LiptonReduction]: Total number of compositions: 70 [2023-08-26 11:04:30,101 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 11:04:30,106 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6f6ef85c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 11:04:30,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2023-08-26 11:04:30,110 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 11:04:30,110 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-26 11:04:30,110 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 11:04:30,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:30,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-26 11:04:30,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-08-26 11:04:30,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:30,116 INFO L85 PathProgramCache]: Analyzing trace with hash 702672, now seen corresponding path program 1 times [2023-08-26 11:04:30,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:30,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294037350] [2023-08-26 11:04:30,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:30,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:30,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:30,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294037350] [2023-08-26 11:04:30,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294037350] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:30,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:30,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 11:04:30,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388099494] [2023-08-26 11:04:30,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:30,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 11:04:30,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:30,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 11:04:30,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 11:04:30,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 194 [2023-08-26 11:04:30,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 71.5) internal successors, (143), 2 states have internal predecessors, (143), 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) [2023-08-26 11:04:30,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:30,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 194 [2023-08-26 11:04:30,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:30,473 INFO L124 PetriNetUnfolderBase]: 297/540 cut-off events. [2023-08-26 11:04:30,473 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-08-26 11:04:30,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 540 events. 297/540 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1882 event pairs, 297 based on Foata normal form. 0/540 useless extension candidates. Maximal degree in co-relation 1016. Up to 541 conditions per place. [2023-08-26 11:04:30,478 INFO L140 encePairwiseOnDemand]: 161/194 looper letters, 27 selfloop transitions, 0 changer transitions 0/27 dead transitions. [2023-08-26 11:04:30,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 27 transitions, 120 flow [2023-08-26 11:04:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 11:04:30,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 11:04:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 200 transitions. [2023-08-26 11:04:30,490 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5154639175257731 [2023-08-26 11:04:30,490 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 200 transitions. [2023-08-26 11:04:30,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 200 transitions. [2023-08-26 11:04:30,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:30,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 200 transitions. [2023-08-26 11:04:30,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 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) [2023-08-26 11:04:30,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 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) [2023-08-26 11:04:30,499 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 194.0) internal successors, (582), 3 states have internal predecessors, (582), 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) [2023-08-26 11:04:30,501 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 132 flow. Second operand 2 states and 200 transitions. [2023-08-26 11:04:30,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 27 transitions, 120 flow [2023-08-26 11:04:30,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 27 transitions, 112 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-26 11:04:30,504 INFO L231 Difference]: Finished difference. Result has 31 places, 27 transitions, 58 flow [2023-08-26 11:04:30,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=58, PETRI_PLACES=31, PETRI_TRANSITIONS=27} [2023-08-26 11:04:30,508 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -36 predicate places. [2023-08-26 11:04:30,509 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 27 transitions, 58 flow [2023-08-26 11:04:30,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.5) internal successors, (143), 2 states have internal predecessors, (143), 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) [2023-08-26 11:04:30,509 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:30,509 INFO L208 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] [2023-08-26 11:04:30,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 11:04:30,510 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-08-26 11:04:30,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:30,510 INFO L85 PathProgramCache]: Analyzing trace with hash -811307250, now seen corresponding path program 1 times [2023-08-26 11:04:30,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:30,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454861007] [2023-08-26 11:04:30,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:30,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:30,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:30,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454861007] [2023-08-26 11:04:30,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454861007] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:30,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:30,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-26 11:04:30,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609365518] [2023-08-26 11:04:30,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:30,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-26 11:04:30,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:30,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-26 11:04:30,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-26 11:04:30,989 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 194 [2023-08-26 11:04:30,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 27 transitions, 58 flow. Second operand has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:30,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:30,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 194 [2023-08-26 11:04:30,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:31,263 INFO L124 PetriNetUnfolderBase]: 507/926 cut-off events. [2023-08-26 11:04:31,264 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-08-26 11:04:31,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1866 conditions, 926 events. 507/926 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4023 event pairs, 45 based on Foata normal form. 12/938 useless extension candidates. Maximal degree in co-relation 1863. Up to 247 conditions per place. [2023-08-26 11:04:31,271 INFO L140 encePairwiseOnDemand]: 186/194 looper letters, 82 selfloop transitions, 15 changer transitions 0/97 dead transitions. [2023-08-26 11:04:31,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 97 transitions, 397 flow [2023-08-26 11:04:31,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-26 11:04:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-26 11:04:31,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 692 transitions. [2023-08-26 11:04:31,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3963344788087056 [2023-08-26 11:04:31,277 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 692 transitions. [2023-08-26 11:04:31,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 692 transitions. [2023-08-26 11:04:31,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:31,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 692 transitions. [2023-08-26 11:04:31,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 76.88888888888889) internal successors, (692), 9 states have internal predecessors, (692), 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) [2023-08-26 11:04:31,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 194.0) internal successors, (1940), 10 states have internal predecessors, (1940), 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) [2023-08-26 11:04:31,289 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 194.0) internal successors, (1940), 10 states have internal predecessors, (1940), 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) [2023-08-26 11:04:31,290 INFO L175 Difference]: Start difference. First operand has 31 places, 27 transitions, 58 flow. Second operand 9 states and 692 transitions. [2023-08-26 11:04:31,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 97 transitions, 397 flow [2023-08-26 11:04:31,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 97 transitions, 397 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 11:04:31,293 INFO L231 Difference]: Finished difference. Result has 43 places, 40 transitions, 147 flow [2023-08-26 11:04:31,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=147, PETRI_PLACES=43, PETRI_TRANSITIONS=40} [2023-08-26 11:04:31,294 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -24 predicate places. [2023-08-26 11:04:31,294 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 40 transitions, 147 flow [2023-08-26 11:04:31,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:31,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:31,296 INFO L208 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] [2023-08-26 11:04:31,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 11:04:31,299 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-08-26 11:04:31,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:31,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2125769144, now seen corresponding path program 2 times [2023-08-26 11:04:31,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:31,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311657040] [2023-08-26 11:04:31,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:31,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:31,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311657040] [2023-08-26 11:04:31,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311657040] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:31,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:31,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 11:04:31,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699710611] [2023-08-26 11:04:31,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:31,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 11:04:31,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:31,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 11:04:31,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 11:04:31,498 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 194 [2023-08-26 11:04:31,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 40 transitions, 147 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-08-26 11:04:31,498 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:31,498 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 194 [2023-08-26 11:04:31,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:31,634 INFO L124 PetriNetUnfolderBase]: 456/847 cut-off events. [2023-08-26 11:04:31,634 INFO L125 PetriNetUnfolderBase]: For 183/183 co-relation queries the response was YES. [2023-08-26 11:04:31,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2036 conditions, 847 events. 456/847 cut-off events. For 183/183 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3651 event pairs, 303 based on Foata normal form. 12/859 useless extension candidates. Maximal degree in co-relation 2028. Up to 679 conditions per place. [2023-08-26 11:04:31,639 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 53 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2023-08-26 11:04:31,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 55 transitions, 312 flow [2023-08-26 11:04:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 11:04:31,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 11:04:31,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2023-08-26 11:04:31,641 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.422680412371134 [2023-08-26 11:04:31,641 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 246 transitions. [2023-08-26 11:04:31,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 246 transitions. [2023-08-26 11:04:31,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:31,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 246 transitions. [2023-08-26 11:04:31,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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) [2023-08-26 11:04:31,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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) [2023-08-26 11:04:31,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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) [2023-08-26 11:04:31,644 INFO L175 Difference]: Start difference. First operand has 43 places, 40 transitions, 147 flow. Second operand 3 states and 246 transitions. [2023-08-26 11:04:31,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 55 transitions, 312 flow [2023-08-26 11:04:31,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 55 transitions, 312 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 11:04:31,648 INFO L231 Difference]: Finished difference. Result has 46 places, 40 transitions, 155 flow [2023-08-26 11:04:31,649 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=46, PETRI_TRANSITIONS=40} [2023-08-26 11:04:31,649 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -21 predicate places. [2023-08-26 11:04:31,650 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 40 transitions, 155 flow [2023-08-26 11:04:31,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-08-26 11:04:31,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:31,650 INFO L208 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] [2023-08-26 11:04:31,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 11:04:31,650 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-08-26 11:04:31,651 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:31,651 INFO L85 PathProgramCache]: Analyzing trace with hash 95936964, now seen corresponding path program 3 times [2023-08-26 11:04:31,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:31,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20508774] [2023-08-26 11:04:31,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:31,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:31,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:31,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:31,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20508774] [2023-08-26 11:04:31,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20508774] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:31,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:31,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 11:04:31,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094778844] [2023-08-26 11:04:31,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:31,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 11:04:31,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:31,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 11:04:31,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 11:04:31,747 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 194 [2023-08-26 11:04:31,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 40 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-08-26 11:04:31,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:31,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 194 [2023-08-26 11:04:31,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:31,862 INFO L124 PetriNetUnfolderBase]: 419/792 cut-off events. [2023-08-26 11:04:31,862 INFO L125 PetriNetUnfolderBase]: For 252/252 co-relation queries the response was YES. [2023-08-26 11:04:31,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2020 conditions, 792 events. 419/792 cut-off events. For 252/252 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3440 event pairs, 272 based on Foata normal form. 12/804 useless extension candidates. Maximal degree in co-relation 2010. Up to 620 conditions per place. [2023-08-26 11:04:31,867 INFO L140 encePairwiseOnDemand]: 191/194 looper letters, 53 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2023-08-26 11:04:31,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 55 transitions, 325 flow [2023-08-26 11:04:31,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 11:04:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 11:04:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2023-08-26 11:04:31,869 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.422680412371134 [2023-08-26 11:04:31,869 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 246 transitions. [2023-08-26 11:04:31,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 246 transitions. [2023-08-26 11:04:31,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:31,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 246 transitions. [2023-08-26 11:04:31,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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) [2023-08-26 11:04:31,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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) [2023-08-26 11:04:31,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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) [2023-08-26 11:04:31,872 INFO L175 Difference]: Start difference. First operand has 46 places, 40 transitions, 155 flow. Second operand 3 states and 246 transitions. [2023-08-26 11:04:31,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 55 transitions, 325 flow [2023-08-26 11:04:31,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 55 transitions, 317 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 11:04:31,876 INFO L231 Difference]: Finished difference. Result has 47 places, 40 transitions, 159 flow [2023-08-26 11:04:31,876 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=159, PETRI_PLACES=47, PETRI_TRANSITIONS=40} [2023-08-26 11:04:31,877 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -20 predicate places. [2023-08-26 11:04:31,877 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 159 flow [2023-08-26 11:04:31,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-08-26 11:04:31,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:31,877 INFO L208 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] [2023-08-26 11:04:31,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 11:04:31,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-08-26 11:04:31,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:31,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1790677722, now seen corresponding path program 4 times [2023-08-26 11:04:31,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:31,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389233184] [2023-08-26 11:04:31,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:31,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:32,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:32,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:32,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389233184] [2023-08-26 11:04:32,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389233184] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:32,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:32,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 11:04:32,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050730670] [2023-08-26 11:04:32,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:32,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-26 11:04:32,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:32,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-26 11:04:32,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-08-26 11:04:32,032 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 194 [2023-08-26 11:04:32,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 159 flow. Second operand has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:32,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:32,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 194 [2023-08-26 11:04:32,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:32,271 INFO L124 PetriNetUnfolderBase]: 475/950 cut-off events. [2023-08-26 11:04:32,272 INFO L125 PetriNetUnfolderBase]: For 407/407 co-relation queries the response was YES. [2023-08-26 11:04:32,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2499 conditions, 950 events. 475/950 cut-off events. For 407/407 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4366 event pairs, 221 based on Foata normal form. 2/952 useless extension candidates. Maximal degree in co-relation 2488. Up to 438 conditions per place. [2023-08-26 11:04:32,276 INFO L140 encePairwiseOnDemand]: 188/194 looper letters, 67 selfloop transitions, 6 changer transitions 32/105 dead transitions. [2023-08-26 11:04:32,276 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 105 transitions, 611 flow [2023-08-26 11:04:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-26 11:04:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-26 11:04:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 535 transitions. [2023-08-26 11:04:32,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3939617083946981 [2023-08-26 11:04:32,278 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 535 transitions. [2023-08-26 11:04:32,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 535 transitions. [2023-08-26 11:04:32,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:32,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 535 transitions. [2023-08-26 11:04:32,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 76.42857142857143) internal successors, (535), 7 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) [2023-08-26 11:04:32,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 194.0) internal successors, (1552), 8 states have internal predecessors, (1552), 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) [2023-08-26 11:04:32,283 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 194.0) internal successors, (1552), 8 states have internal predecessors, (1552), 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) [2023-08-26 11:04:32,283 INFO L175 Difference]: Start difference. First operand has 47 places, 40 transitions, 159 flow. Second operand 7 states and 535 transitions. [2023-08-26 11:04:32,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 105 transitions, 611 flow [2023-08-26 11:04:32,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 105 transitions, 603 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-26 11:04:32,287 INFO L231 Difference]: Finished difference. Result has 54 places, 40 transitions, 169 flow [2023-08-26 11:04:32,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=169, PETRI_PLACES=54, PETRI_TRANSITIONS=40} [2023-08-26 11:04:32,288 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -13 predicate places. [2023-08-26 11:04:32,288 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 169 flow [2023-08-26 11:04:32,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:32,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:32,288 INFO L208 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] [2023-08-26 11:04:32,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 11:04:32,289 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-08-26 11:04:32,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:32,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1897798978, now seen corresponding path program 5 times [2023-08-26 11:04:32,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:32,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457166884] [2023-08-26 11:04:32,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:32,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:32,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:32,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457166884] [2023-08-26 11:04:32,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457166884] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:32,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:32,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-26 11:04:32,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907771458] [2023-08-26 11:04:32,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:32,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-26 11:04:32,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:32,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-26 11:04:32,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-08-26 11:04:32,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 194 [2023-08-26 11:04:32,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 169 flow. Second operand has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:32,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:32,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 194 [2023-08-26 11:04:32,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:32,710 INFO L124 PetriNetUnfolderBase]: 396/831 cut-off events. [2023-08-26 11:04:32,711 INFO L125 PetriNetUnfolderBase]: For 431/431 co-relation queries the response was YES. [2023-08-26 11:04:32,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2296 conditions, 831 events. 396/831 cut-off events. For 431/431 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3850 event pairs, 138 based on Foata normal form. 10/841 useless extension candidates. Maximal degree in co-relation 2282. Up to 300 conditions per place. [2023-08-26 11:04:32,715 INFO L140 encePairwiseOnDemand]: 187/194 looper letters, 63 selfloop transitions, 8 changer transitions 18/89 dead transitions. [2023-08-26 11:04:32,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 89 transitions, 523 flow [2023-08-26 11:04:32,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-26 11:04:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-26 11:04:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 475 transitions. [2023-08-26 11:04:32,717 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40807560137457044 [2023-08-26 11:04:32,717 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 475 transitions. [2023-08-26 11:04:32,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 475 transitions. [2023-08-26 11:04:32,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:32,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 475 transitions. [2023-08-26 11:04:32,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 79.16666666666667) internal successors, (475), 6 states have internal predecessors, (475), 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) [2023-08-26 11:04:32,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 194.0) internal successors, (1358), 7 states have internal predecessors, (1358), 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) [2023-08-26 11:04:32,721 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 194.0) internal successors, (1358), 7 states have internal predecessors, (1358), 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) [2023-08-26 11:04:32,721 INFO L175 Difference]: Start difference. First operand has 54 places, 40 transitions, 169 flow. Second operand 6 states and 475 transitions. [2023-08-26 11:04:32,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 89 transitions, 523 flow [2023-08-26 11:04:32,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 89 transitions, 511 flow, removed 6 selfloop flow, removed 2 redundant places. [2023-08-26 11:04:32,725 INFO L231 Difference]: Finished difference. Result has 54 places, 39 transitions, 178 flow [2023-08-26 11:04:32,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=178, PETRI_PLACES=54, PETRI_TRANSITIONS=39} [2023-08-26 11:04:32,726 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -13 predicate places. [2023-08-26 11:04:32,726 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 39 transitions, 178 flow [2023-08-26 11:04:32,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:32,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:32,727 INFO L208 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] [2023-08-26 11:04:32,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 11:04:32,727 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-08-26 11:04:32,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:32,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2130984454, now seen corresponding path program 6 times [2023-08-26 11:04:32,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:32,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057445373] [2023-08-26 11:04:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:32,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:32,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:32,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057445373] [2023-08-26 11:04:32,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057445373] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:32,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:32,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-26 11:04:32,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291073367] [2023-08-26 11:04:32,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:32,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-26 11:04:32,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:32,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-26 11:04:32,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-08-26 11:04:32,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 194 [2023-08-26 11:04:32,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 39 transitions, 178 flow. Second operand has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:32,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:32,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 194 [2023-08-26 11:04:32,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:33,075 INFO L124 PetriNetUnfolderBase]: 360/762 cut-off events. [2023-08-26 11:04:33,076 INFO L125 PetriNetUnfolderBase]: For 531/531 co-relation queries the response was YES. [2023-08-26 11:04:33,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2170 conditions, 762 events. 360/762 cut-off events. For 531/531 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3405 event pairs, 182 based on Foata normal form. 3/765 useless extension candidates. Maximal degree in co-relation 2156. Up to 351 conditions per place. [2023-08-26 11:04:33,080 INFO L140 encePairwiseOnDemand]: 189/194 looper letters, 44 selfloop transitions, 5 changer transitions 31/80 dead transitions. [2023-08-26 11:04:33,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 80 transitions, 510 flow [2023-08-26 11:04:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-26 11:04:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-26 11:04:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 522 transitions. [2023-08-26 11:04:33,082 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38438880706921946 [2023-08-26 11:04:33,082 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 522 transitions. [2023-08-26 11:04:33,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 522 transitions. [2023-08-26 11:04:33,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:33,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 522 transitions. [2023-08-26 11:04:33,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 74.57142857142857) internal successors, (522), 7 states have internal predecessors, (522), 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) [2023-08-26 11:04:33,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 194.0) internal successors, (1552), 8 states have internal predecessors, (1552), 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) [2023-08-26 11:04:33,086 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 194.0) internal successors, (1552), 8 states have internal predecessors, (1552), 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) [2023-08-26 11:04:33,086 INFO L175 Difference]: Start difference. First operand has 54 places, 39 transitions, 178 flow. Second operand 7 states and 522 transitions. [2023-08-26 11:04:33,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 80 transitions, 510 flow [2023-08-26 11:04:33,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 80 transitions, 471 flow, removed 2 selfloop flow, removed 5 redundant places. [2023-08-26 11:04:33,090 INFO L231 Difference]: Finished difference. Result has 55 places, 36 transitions, 156 flow [2023-08-26 11:04:33,090 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=156, PETRI_PLACES=55, PETRI_TRANSITIONS=36} [2023-08-26 11:04:33,090 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -12 predicate places. [2023-08-26 11:04:33,090 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 36 transitions, 156 flow [2023-08-26 11:04:33,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:33,091 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:33,091 INFO L208 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] [2023-08-26 11:04:33,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 11:04:33,091 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-08-26 11:04:33,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:33,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1877586622, now seen corresponding path program 7 times [2023-08-26 11:04:33,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:33,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420266100] [2023-08-26 11:04:33,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:33,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:33,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420266100] [2023-08-26 11:04:33,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420266100] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:33,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:33,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-26 11:04:33,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099870586] [2023-08-26 11:04:33,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:33,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-26 11:04:33,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:33,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-26 11:04:33,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-08-26 11:04:33,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 194 [2023-08-26 11:04:33,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 36 transitions, 156 flow. Second operand has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:33,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:33,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 194 [2023-08-26 11:04:33,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:33,403 INFO L124 PetriNetUnfolderBase]: 220/447 cut-off events. [2023-08-26 11:04:33,403 INFO L125 PetriNetUnfolderBase]: For 263/263 co-relation queries the response was YES. [2023-08-26 11:04:33,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1251 conditions, 447 events. 220/447 cut-off events. For 263/263 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1619 event pairs, 91 based on Foata normal form. 10/457 useless extension candidates. Maximal degree in co-relation 1237. Up to 268 conditions per place. [2023-08-26 11:04:33,405 INFO L140 encePairwiseOnDemand]: 187/194 looper letters, 34 selfloop transitions, 3 changer transitions 15/52 dead transitions. [2023-08-26 11:04:33,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 52 transitions, 311 flow [2023-08-26 11:04:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 11:04:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 11:04:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 380 transitions. [2023-08-26 11:04:33,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3917525773195876 [2023-08-26 11:04:33,407 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 380 transitions. [2023-08-26 11:04:33,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 380 transitions. [2023-08-26 11:04:33,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:33,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 380 transitions. [2023-08-26 11:04:33,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 76.0) internal successors, (380), 5 states have internal predecessors, (380), 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) [2023-08-26 11:04:33,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 194.0) internal successors, (1164), 6 states have internal predecessors, (1164), 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) [2023-08-26 11:04:33,435 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 194.0) internal successors, (1164), 6 states have internal predecessors, (1164), 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) [2023-08-26 11:04:33,435 INFO L175 Difference]: Start difference. First operand has 55 places, 36 transitions, 156 flow. Second operand 5 states and 380 transitions. [2023-08-26 11:04:33,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 52 transitions, 311 flow [2023-08-26 11:04:33,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 289 flow, removed 2 selfloop flow, removed 8 redundant places. [2023-08-26 11:04:33,438 INFO L231 Difference]: Finished difference. Result has 49 places, 30 transitions, 117 flow [2023-08-26 11:04:33,438 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=117, PETRI_PLACES=49, PETRI_TRANSITIONS=30} [2023-08-26 11:04:33,441 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -18 predicate places. [2023-08-26 11:04:33,441 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 30 transitions, 117 flow [2023-08-26 11:04:33,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:33,441 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 11:04:33,441 INFO L208 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] [2023-08-26 11:04:33,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 11:04:33,442 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2023-08-26 11:04:33,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 11:04:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1395503598, now seen corresponding path program 8 times [2023-08-26 11:04:33,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 11:04:33,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196928550] [2023-08-26 11:04:33,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 11:04:33,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 11:04:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 11:04:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 11:04:33,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 11:04:33,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196928550] [2023-08-26 11:04:33,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196928550] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 11:04:33,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 11:04:33,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-26 11:04:33,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773416085] [2023-08-26 11:04:33,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 11:04:33,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-26 11:04:33,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 11:04:33,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-26 11:04:33,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-26 11:04:33,626 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 194 [2023-08-26 11:04:33,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 30 transitions, 117 flow. Second operand has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:33,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 11:04:33,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 194 [2023-08-26 11:04:33,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 11:04:33,720 INFO L124 PetriNetUnfolderBase]: 101/198 cut-off events. [2023-08-26 11:04:33,721 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2023-08-26 11:04:33,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 198 events. 101/198 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 538 event pairs, 26 based on Foata normal form. 10/208 useless extension candidates. Maximal degree in co-relation 563. Up to 77 conditions per place. [2023-08-26 11:04:33,722 INFO L140 encePairwiseOnDemand]: 188/194 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2023-08-26 11:04:33,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 38 transitions, 218 flow [2023-08-26 11:04:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-26 11:04:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-26 11:04:33,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 501 transitions. [2023-08-26 11:04:33,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36892488954344627 [2023-08-26 11:04:33,724 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 501 transitions. [2023-08-26 11:04:33,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 501 transitions. [2023-08-26 11:04:33,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 11:04:33,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 501 transitions. [2023-08-26 11:04:33,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 71.57142857142857) internal successors, (501), 7 states have internal predecessors, (501), 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) [2023-08-26 11:04:33,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 194.0) internal successors, (1552), 8 states have internal predecessors, (1552), 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) [2023-08-26 11:04:33,729 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 194.0) internal successors, (1552), 8 states have internal predecessors, (1552), 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) [2023-08-26 11:04:33,729 INFO L175 Difference]: Start difference. First operand has 49 places, 30 transitions, 117 flow. Second operand 7 states and 501 transitions. [2023-08-26 11:04:33,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 38 transitions, 218 flow [2023-08-26 11:04:33,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 38 transitions, 181 flow, removed 10 selfloop flow, removed 9 redundant places. [2023-08-26 11:04:33,731 INFO L231 Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow [2023-08-26 11:04:33,731 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0} [2023-08-26 11:04:33,732 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -31 predicate places. [2023-08-26 11:04:33,732 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 0 transitions, 0 flow [2023-08-26 11:04:33,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 69.85714285714286) internal successors, (489), 7 states have internal predecessors, (489), 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) [2023-08-26 11:04:33,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (65 of 66 remaining) [2023-08-26 11:04:33,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (64 of 66 remaining) [2023-08-26 11:04:33,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (63 of 66 remaining) [2023-08-26 11:04:33,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (62 of 66 remaining) [2023-08-26 11:04:33,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (61 of 66 remaining) [2023-08-26 11:04:33,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (60 of 66 remaining) [2023-08-26 11:04:33,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (59 of 66 remaining) [2023-08-26 11:04:33,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (58 of 66 remaining) [2023-08-26 11:04:33,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (57 of 66 remaining) [2023-08-26 11:04:33,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (56 of 66 remaining) [2023-08-26 11:04:33,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (55 of 66 remaining) [2023-08-26 11:04:33,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (54 of 66 remaining) [2023-08-26 11:04:33,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (53 of 66 remaining) [2023-08-26 11:04:33,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (52 of 66 remaining) [2023-08-26 11:04:33,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (51 of 66 remaining) [2023-08-26 11:04:33,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (50 of 66 remaining) [2023-08-26 11:04:33,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (49 of 66 remaining) [2023-08-26 11:04:33,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 66 remaining) [2023-08-26 11:04:33,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 66 remaining) [2023-08-26 11:04:33,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 66 remaining) [2023-08-26 11:04:33,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 66 remaining) [2023-08-26 11:04:33,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 66 remaining) [2023-08-26 11:04:33,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 66 remaining) [2023-08-26 11:04:33,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 66 remaining) [2023-08-26 11:04:33,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 66 remaining) [2023-08-26 11:04:33,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (40 of 66 remaining) [2023-08-26 11:04:33,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (39 of 66 remaining) [2023-08-26 11:04:33,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (38 of 66 remaining) [2023-08-26 11:04:33,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (37 of 66 remaining) [2023-08-26 11:04:33,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (36 of 66 remaining) [2023-08-26 11:04:33,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 66 remaining) [2023-08-26 11:04:33,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 66 remaining) [2023-08-26 11:04:33,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 66 remaining) [2023-08-26 11:04:33,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONASSERT (32 of 66 remaining) [2023-08-26 11:04:33,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 66 remaining) [2023-08-26 11:04:33,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 66 remaining) [2023-08-26 11:04:33,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 66 remaining) [2023-08-26 11:04:33,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 66 remaining) [2023-08-26 11:04:33,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 66 remaining) [2023-08-26 11:04:33,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 66 remaining) [2023-08-26 11:04:33,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 66 remaining) [2023-08-26 11:04:33,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 66 remaining) [2023-08-26 11:04:33,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 66 remaining) [2023-08-26 11:04:33,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 66 remaining) [2023-08-26 11:04:33,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (21 of 66 remaining) [2023-08-26 11:04:33,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 66 remaining) [2023-08-26 11:04:33,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (19 of 66 remaining) [2023-08-26 11:04:33,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (18 of 66 remaining) [2023-08-26 11:04:33,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (17 of 66 remaining) [2023-08-26 11:04:33,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (16 of 66 remaining) [2023-08-26 11:04:33,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (15 of 66 remaining) [2023-08-26 11:04:33,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 66 remaining) [2023-08-26 11:04:33,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 66 remaining) [2023-08-26 11:04:33,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 66 remaining) [2023-08-26 11:04:33,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 66 remaining) [2023-08-26 11:04:33,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 66 remaining) [2023-08-26 11:04:33,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 66 remaining) [2023-08-26 11:04:33,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 66 remaining) [2023-08-26 11:04:33,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 66 remaining) [2023-08-26 11:04:33,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 66 remaining) [2023-08-26 11:04:33,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 66 remaining) [2023-08-26 11:04:33,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 66 remaining) [2023-08-26 11:04:33,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 66 remaining) [2023-08-26 11:04:33,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 66 remaining) [2023-08-26 11:04:33,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 66 remaining) [2023-08-26 11:04:33,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 66 remaining) [2023-08-26 11:04:33,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-26 11:04:33,749 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1] [2023-08-26 11:04:33,754 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 11:04:33,754 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 11:04:33,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 11:04:33 BasicIcfg [2023-08-26 11:04:33,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 11:04:33,758 INFO L158 Benchmark]: Toolchain (without parser) took 7291.46ms. Allocated memory was 369.1MB in the beginning and 553.6MB in the end (delta: 184.5MB). Free memory was 326.9MB in the beginning and 453.2MB in the end (delta: -126.3MB). Peak memory consumption was 60.4MB. Max. memory is 16.0GB. [2023-08-26 11:04:33,758 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 369.1MB. Free memory is still 346.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 11:04:33,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.18ms. Allocated memory is still 369.1MB. Free memory was 326.9MB in the beginning and 315.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-26 11:04:33,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.02ms. Allocated memory is still 369.1MB. Free memory was 315.4MB in the beginning and 313.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 11:04:33,760 INFO L158 Benchmark]: Boogie Preprocessor took 44.18ms. Allocated memory is still 369.1MB. Free memory was 313.3MB in the beginning and 311.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 11:04:33,760 INFO L158 Benchmark]: RCFGBuilder took 742.06ms. Allocated memory is still 369.1MB. Free memory was 311.2MB in the beginning and 274.5MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2023-08-26 11:04:33,761 INFO L158 Benchmark]: TraceAbstraction took 6193.51ms. Allocated memory was 369.1MB in the beginning and 553.6MB in the end (delta: 184.5MB). Free memory was 274.5MB in the beginning and 453.2MB in the end (delta: -178.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.0GB. [2023-08-26 11:04:33,762 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 369.1MB. Free memory is still 346.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 244.18ms. Allocated memory is still 369.1MB. Free memory was 326.9MB in the beginning and 315.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 60.02ms. Allocated memory is still 369.1MB. Free memory was 315.4MB in the beginning and 313.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 44.18ms. Allocated memory is still 369.1MB. Free memory was 313.3MB in the beginning and 311.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 742.06ms. Allocated memory is still 369.1MB. Free memory was 311.2MB in the beginning and 274.5MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. * TraceAbstraction took 6193.51ms. Allocated memory was 369.1MB in the beginning and 553.6MB in the end (delta: 184.5MB). Free memory was 274.5MB in the beginning and 453.2MB in the end (delta: -178.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 119 PlacesBefore, 67 PlacesAfterwards, 113 TransitionsBefore, 60 TransitionsAfterwards, 3068 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 70 TotalNumberOfCompositions, 21393 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9840, independent: 9228, independent conditional: 0, independent unconditional: 9228, dependent: 612, dependent conditional: 0, dependent unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1562, independent: 1517, independent conditional: 0, independent unconditional: 1517, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9840, independent: 7711, independent conditional: 0, independent unconditional: 7711, dependent: 567, dependent conditional: 0, dependent unconditional: 567, unknown: 1562, unknown conditional: 0, unknown unconditional: 1562] , Statistics on independence cache: Total cache size (in pairs): 660, Positive cache size: 618, Positive conditional cache size: 0, Positive unconditional cache size: 618, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 21]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 180 locations, 66 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: 6.1s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 482 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1219 IncrementalHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 0 mSDtfsCounter, 1219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=6, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 808 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-26 11:04:33,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...