/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 -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/chl-node-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 05:03:15,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 05:03:15,902 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 [2023-08-25 05:03:15,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 05:03:15,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 05:03:15,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 05:03:15,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 05:03:15,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 05:03:15,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 05:03:15,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 05:03:15,948 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 05:03:15,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 05:03:15,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 05:03:15,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 05:03:15,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 05:03:15,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 05:03:15,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 05:03:15,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 05:03:15,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 05:03:15,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 05:03:15,952 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 05:03:15,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 05:03:15,952 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 05:03:15,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 05:03:15,953 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 05:03:15,953 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 05:03:15,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 05:03:15,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:03:15,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 05:03:15,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 05:03:15,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 05:03:15,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 05:03:15,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 05:03:15,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 05:03:15,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 05:03:15,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 05:03:16,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 05:03:16,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 05:03:16,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 05:03:16,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 05:03:16,329 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 05:03:16,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2023-08-25 05:03:17,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 05:03:17,686 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 05:03:17,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-node-symm.wvr.c [2023-08-25 05:03:17,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87465d405/cee0f607c8f245f2a5f8c1ab3a079978/FLAG93290c1dc [2023-08-25 05:03:17,713 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87465d405/cee0f607c8f245f2a5f8c1ab3a079978 [2023-08-25 05:03:17,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 05:03:17,720 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 05:03:17,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 05:03:17,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 05:03:17,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 05:03:17,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:03:17" (1/1) ... [2023-08-25 05:03:17,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd97647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:17, skipping insertion in model container [2023-08-25 05:03:17,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:03:17" (1/1) ... [2023-08-25 05:03:17,759 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 05:03:17,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:03:17,961 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 05:03:18,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 05:03:18,012 INFO L206 MainTranslator]: Completed translation [2023-08-25 05:03:18,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18 WrapperNode [2023-08-25 05:03:18,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 05:03:18,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 05:03:18,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 05:03:18,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 05:03:18,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,074 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 560 [2023-08-25 05:03:18,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 05:03:18,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 05:03:18,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 05:03:18,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 05:03:18,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 05:03:18,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 05:03:18,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 05:03:18,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 05:03:18,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (1/1) ... [2023-08-25 05:03:18,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 05:03:18,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:03:18,161 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) [2023-08-25 05:03:18,177 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 [2023-08-25 05:03:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 05:03:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 05:03:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 05:03:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 05:03:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-25 05:03:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-25 05:03:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-25 05:03:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-25 05:03:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 05:03:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 05:03:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 05:03:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 05:03:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 05:03:18,206 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 05:03:18,350 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 05:03:18,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 05:03:19,139 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 05:03:19,151 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 05:03:19,152 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-25 05:03:19,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:03:19 BoogieIcfgContainer [2023-08-25 05:03:19,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 05:03:19,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 05:03:19,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 05:03:19,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 05:03:19,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 05:03:17" (1/3) ... [2023-08-25 05:03:19,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d98c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:03:19, skipping insertion in model container [2023-08-25 05:03:19,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:03:18" (2/3) ... [2023-08-25 05:03:19,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d98c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:03:19, skipping insertion in model container [2023-08-25 05:03:19,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:03:19" (3/3) ... [2023-08-25 05:03:19,161 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-symm.wvr.c [2023-08-25 05:03:19,175 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 05:03:19,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2023-08-25 05:03:19,175 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 05:03:19,275 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-25 05:03:19,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 667 places, 693 transitions, 1402 flow [2023-08-25 05:03:19,580 INFO L124 PetriNetUnfolderBase]: 33/691 cut-off events. [2023-08-25 05:03:19,581 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 05:03:19,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 691 events. 33/691 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1139 event pairs, 0 based on Foata normal form. 0/577 useless extension candidates. Maximal degree in co-relation 487. Up to 2 conditions per place. [2023-08-25 05:03:19,593 INFO L82 GeneralOperation]: Start removeDead. Operand has 667 places, 693 transitions, 1402 flow [2023-08-25 05:03:19,607 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 656 places, 682 transitions, 1376 flow [2023-08-25 05:03:19,611 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 05:03:19,622 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 656 places, 682 transitions, 1376 flow [2023-08-25 05:03:19,625 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 656 places, 682 transitions, 1376 flow [2023-08-25 05:03:19,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 656 places, 682 transitions, 1376 flow [2023-08-25 05:03:19,765 INFO L124 PetriNetUnfolderBase]: 33/682 cut-off events. [2023-08-25 05:03:19,765 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-25 05:03:19,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 691 conditions, 682 events. 33/682 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1129 event pairs, 0 based on Foata normal form. 0/569 useless extension candidates. Maximal degree in co-relation 487. Up to 2 conditions per place. [2023-08-25 05:03:19,795 INFO L119 LiptonReduction]: Number of co-enabled transitions 52268 [2023-08-25 05:03:34,422 INFO L134 LiptonReduction]: Checked pairs total: 365947 [2023-08-25 05:03:34,423 INFO L136 LiptonReduction]: Total number of compositions: 690 [2023-08-25 05:03:34,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 05:03:34,442 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;@40e20f0a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 05:03:34,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2023-08-25 05:03:34,443 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 05:03:34,443 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 05:03:34,444 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 05:03:34,444 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:34,444 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 05:03:34,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:34,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:34,449 INFO L85 PathProgramCache]: Analyzing trace with hash 2500, now seen corresponding path program 1 times [2023-08-25 05:03:34,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:34,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757991929] [2023-08-25 05:03:34,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:34,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:03:34,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:34,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757991929] [2023-08-25 05:03:34,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757991929] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:34,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:34,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 05:03:34,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243772340] [2023-08-25 05:03:34,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:34,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 05:03:34,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:34,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 05:03:34,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 05:03:34,594 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 668 out of 1383 [2023-08-25 05:03:34,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 214 transitions, 440 flow. Second operand has 2 states, 2 states have (on average 668.5) internal successors, (1337), 2 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:34,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:34,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 668 of 1383 [2023-08-25 05:03:34,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:35,024 INFO L124 PetriNetUnfolderBase]: 645/3056 cut-off events. [2023-08-25 05:03:35,024 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-08-25 05:03:35,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4159 conditions, 3056 events. 645/3056 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 26446 event pairs, 525 based on Foata normal form. 135/2620 useless extension candidates. Maximal degree in co-relation 3900. Up to 1059 conditions per place. [2023-08-25 05:03:35,075 INFO L140 encePairwiseOnDemand]: 1342/1383 looper letters, 46 selfloop transitions, 0 changer transitions 0/173 dead transitions. [2023-08-25 05:03:35,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 173 transitions, 450 flow [2023-08-25 05:03:35,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 05:03:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 05:03:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1423 transitions. [2023-08-25 05:03:35,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5144613159797542 [2023-08-25 05:03:35,092 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1423 transitions. [2023-08-25 05:03:35,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1423 transitions. [2023-08-25 05:03:35,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:35,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1423 transitions. [2023-08-25 05:03:35,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 711.5) internal successors, (1423), 2 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1383.0) internal successors, (4149), 3 states have internal predecessors, (4149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,112 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1383.0) internal successors, (4149), 3 states have internal predecessors, (4149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,114 INFO L175 Difference]: Start difference. First operand has 212 places, 214 transitions, 440 flow. Second operand 2 states and 1423 transitions. [2023-08-25 05:03:35,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 173 transitions, 450 flow [2023-08-25 05:03:35,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 173 transitions, 442 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 05:03:35,122 INFO L231 Difference]: Finished difference. Result has 169 places, 173 transitions, 350 flow [2023-08-25 05:03:35,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=350, PETRI_PLACES=169, PETRI_TRANSITIONS=173} [2023-08-25 05:03:35,126 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -43 predicate places. [2023-08-25 05:03:35,126 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 173 transitions, 350 flow [2023-08-25 05:03:35,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 668.5) internal successors, (1337), 2 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,127 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:35,127 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:35,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 05:03:35,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:35,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:35,128 INFO L85 PathProgramCache]: Analyzing trace with hash 136196769, now seen corresponding path program 1 times [2023-08-25 05:03:35,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:35,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493676846] [2023-08-25 05:03:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:35,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:03:35,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:35,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493676846] [2023-08-25 05:03:35,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493676846] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:35,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:35,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:03:35,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777163108] [2023-08-25 05:03:35,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:35,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:35,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:35,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:35,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:35,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1383 [2023-08-25 05:03:35,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 173 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 655.6666666666666) internal successors, (1967), 3 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:35,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1383 [2023-08-25 05:03:35,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:35,688 INFO L124 PetriNetUnfolderBase]: 939/3773 cut-off events. [2023-08-25 05:03:35,688 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-25 05:03:35,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5335 conditions, 3773 events. 939/3773 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 32147 event pairs, 418 based on Foata normal form. 0/3189 useless extension candidates. Maximal degree in co-relation 5332. Up to 1525 conditions per place. [2023-08-25 05:03:35,714 INFO L140 encePairwiseOnDemand]: 1377/1383 looper letters, 57 selfloop transitions, 2 changer transitions 0/176 dead transitions. [2023-08-25 05:03:35,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 176 transitions, 475 flow [2023-08-25 05:03:35,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2022 transitions. [2023-08-25 05:03:35,722 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48734634851771513 [2023-08-25 05:03:35,722 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2022 transitions. [2023-08-25 05:03:35,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2022 transitions. [2023-08-25 05:03:35,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:35,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2022 transitions. [2023-08-25 05:03:35,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 674.0) internal successors, (2022), 3 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,736 INFO L175 Difference]: Start difference. First operand has 169 places, 173 transitions, 350 flow. Second operand 3 states and 2022 transitions. [2023-08-25 05:03:35,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 176 transitions, 475 flow [2023-08-25 05:03:35,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 176 transitions, 475 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:03:35,739 INFO L231 Difference]: Finished difference. Result has 168 places, 171 transitions, 356 flow [2023-08-25 05:03:35,740 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=168, PETRI_TRANSITIONS=171} [2023-08-25 05:03:35,741 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -44 predicate places. [2023-08-25 05:03:35,741 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 171 transitions, 356 flow [2023-08-25 05:03:35,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 655.6666666666666) internal successors, (1967), 3 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:35,742 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:35,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 05:03:35,743 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:35,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:35,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2059291688, now seen corresponding path program 1 times [2023-08-25 05:03:35,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:35,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841607488] [2023-08-25 05:03:35,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:35,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:03:35,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:35,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841607488] [2023-08-25 05:03:35,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841607488] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:35,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:35,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:03:35,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048113708] [2023-08-25 05:03:35,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:35,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:35,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:35,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:35,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:35,885 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1383 [2023-08-25 05:03:35,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 171 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 656.3333333333334) internal successors, (1969), 3 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:35,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:35,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1383 [2023-08-25 05:03:35,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:36,306 INFO L124 PetriNetUnfolderBase]: 959/3794 cut-off events. [2023-08-25 05:03:36,306 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-08-25 05:03:36,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5441 conditions, 3794 events. 959/3794 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 32575 event pairs, 445 based on Foata normal form. 0/3236 useless extension candidates. Maximal degree in co-relation 5437. Up to 1570 conditions per place. [2023-08-25 05:03:36,330 INFO L140 encePairwiseOnDemand]: 1377/1383 looper letters, 57 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2023-08-25 05:03:36,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 173 transitions, 479 flow [2023-08-25 05:03:36,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:36,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2021 transitions. [2023-08-25 05:03:36,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4871053265847192 [2023-08-25 05:03:36,336 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2021 transitions. [2023-08-25 05:03:36,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2021 transitions. [2023-08-25 05:03:36,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:36,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2021 transitions. [2023-08-25 05:03:36,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 673.6666666666666) internal successors, (2021), 3 states have internal predecessors, (2021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,351 INFO L175 Difference]: Start difference. First operand has 168 places, 171 transitions, 356 flow. Second operand 3 states and 2021 transitions. [2023-08-25 05:03:36,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 173 transitions, 479 flow [2023-08-25 05:03:36,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 173 transitions, 479 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:03:36,356 INFO L231 Difference]: Finished difference. Result has 167 places, 169 transitions, 362 flow [2023-08-25 05:03:36,357 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=167, PETRI_TRANSITIONS=169} [2023-08-25 05:03:36,360 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -45 predicate places. [2023-08-25 05:03:36,360 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 169 transitions, 362 flow [2023-08-25 05:03:36,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 656.3333333333334) internal successors, (1969), 3 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,362 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:36,362 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:36,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 05:03:36,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:36,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:36,367 INFO L85 PathProgramCache]: Analyzing trace with hash 2036126051, now seen corresponding path program 1 times [2023-08-25 05:03:36,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:36,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765476643] [2023-08-25 05:03:36,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:36,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:03:36,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:36,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765476643] [2023-08-25 05:03:36,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765476643] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:36,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:36,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:03:36,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753741710] [2023-08-25 05:03:36,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:36,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:36,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:36,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:36,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:36,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 635 out of 1383 [2023-08-25 05:03:36,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 169 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 637.6666666666666) internal successors, (1913), 3 states have internal predecessors, (1913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:36,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 635 of 1383 [2023-08-25 05:03:36,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:36,844 INFO L124 PetriNetUnfolderBase]: 1219/4364 cut-off events. [2023-08-25 05:03:36,845 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2023-08-25 05:03:36,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6523 conditions, 4364 events. 1219/4364 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 36768 event pairs, 1047 based on Foata normal form. 0/3859 useless extension candidates. Maximal degree in co-relation 6518. Up to 2038 conditions per place. [2023-08-25 05:03:36,873 INFO L140 encePairwiseOnDemand]: 1376/1383 looper letters, 57 selfloop transitions, 1 changer transitions 0/163 dead transitions. [2023-08-25 05:03:36,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 163 transitions, 466 flow [2023-08-25 05:03:36,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:36,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1967 transitions. [2023-08-25 05:03:36,879 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4740901422029405 [2023-08-25 05:03:36,879 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1967 transitions. [2023-08-25 05:03:36,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1967 transitions. [2023-08-25 05:03:36,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:36,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1967 transitions. [2023-08-25 05:03:36,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 655.6666666666666) internal successors, (1967), 3 states have internal predecessors, (1967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,893 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,893 INFO L175 Difference]: Start difference. First operand has 167 places, 169 transitions, 362 flow. Second operand 3 states and 1967 transitions. [2023-08-25 05:03:36,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 163 transitions, 466 flow [2023-08-25 05:03:36,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 163 transitions, 466 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:03:36,897 INFO L231 Difference]: Finished difference. Result has 163 places, 163 transitions, 352 flow [2023-08-25 05:03:36,897 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=163, PETRI_TRANSITIONS=163} [2023-08-25 05:03:36,898 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -49 predicate places. [2023-08-25 05:03:36,898 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 163 transitions, 352 flow [2023-08-25 05:03:36,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 637.6666666666666) internal successors, (1913), 3 states have internal predecessors, (1913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:36,899 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:36,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 05:03:36,900 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:36,900 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:36,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1000556694, now seen corresponding path program 1 times [2023-08-25 05:03:36,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:36,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857531277] [2023-08-25 05:03:36,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:36,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:03:36,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:36,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857531277] [2023-08-25 05:03:36,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857531277] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:36,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:36,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:03:36,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134023529] [2023-08-25 05:03:36,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:36,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:36,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:36,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:36,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:36,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 635 out of 1383 [2023-08-25 05:03:36,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 163 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 638.3333333333334) internal successors, (1915), 3 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:36,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:36,947 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 635 of 1383 [2023-08-25 05:03:36,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:37,394 INFO L124 PetriNetUnfolderBase]: 1275/4355 cut-off events. [2023-08-25 05:03:37,394 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2023-08-25 05:03:37,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6612 conditions, 4355 events. 1275/4355 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 36591 event pairs, 1099 based on Foata normal form. 0/3935 useless extension candidates. Maximal degree in co-relation 6606. Up to 2132 conditions per place. [2023-08-25 05:03:37,422 INFO L140 encePairwiseOnDemand]: 1376/1383 looper letters, 58 selfloop transitions, 1 changer transitions 0/157 dead transitions. [2023-08-25 05:03:37,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 157 transitions, 458 flow [2023-08-25 05:03:37,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1968 transitions. [2023-08-25 05:03:37,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47433116413593635 [2023-08-25 05:03:37,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1968 transitions. [2023-08-25 05:03:37,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1968 transitions. [2023-08-25 05:03:37,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:37,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1968 transitions. [2023-08-25 05:03:37,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 656.0) internal successors, (1968), 3 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:37,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:37,446 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:37,446 INFO L175 Difference]: Start difference. First operand has 163 places, 163 transitions, 352 flow. Second operand 3 states and 1968 transitions. [2023-08-25 05:03:37,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 157 transitions, 458 flow [2023-08-25 05:03:37,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 157 transitions, 457 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 05:03:37,450 INFO L231 Difference]: Finished difference. Result has 158 places, 157 transitions, 341 flow [2023-08-25 05:03:37,451 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=158, PETRI_TRANSITIONS=157} [2023-08-25 05:03:37,453 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -54 predicate places. [2023-08-25 05:03:37,453 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 157 transitions, 341 flow [2023-08-25 05:03:37,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 638.3333333333334) internal successors, (1915), 3 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:37,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:37,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:37,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 05:03:37,454 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:37,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:37,455 INFO L85 PathProgramCache]: Analyzing trace with hash -461679639, now seen corresponding path program 1 times [2023-08-25 05:03:37,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:37,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896842280] [2023-08-25 05:03:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 05:03:37,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:37,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896842280] [2023-08-25 05:03:37,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896842280] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:37,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:37,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:03:37,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67468852] [2023-08-25 05:03:37,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:37,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:37,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:37,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:37,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:37,577 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 632 out of 1383 [2023-08-25 05:03:37,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 157 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 635.0) internal successors, (1905), 3 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:37,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:37,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 632 of 1383 [2023-08-25 05:03:37,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:37,870 INFO L124 PetriNetUnfolderBase]: 679/3025 cut-off events. [2023-08-25 05:03:37,870 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2023-08-25 05:03:37,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4258 conditions, 3025 events. 679/3025 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 25423 event pairs, 547 based on Foata normal form. 0/2688 useless extension candidates. Maximal degree in co-relation 4252. Up to 1135 conditions per place. [2023-08-25 05:03:37,888 INFO L140 encePairwiseOnDemand]: 1380/1383 looper letters, 47 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2023-08-25 05:03:37,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 158 transitions, 441 flow [2023-08-25 05:03:37,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:37,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1944 transitions. [2023-08-25 05:03:37,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4685466377440347 [2023-08-25 05:03:37,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1944 transitions. [2023-08-25 05:03:37,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1944 transitions. [2023-08-25 05:03:37,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:37,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1944 transitions. [2023-08-25 05:03:37,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 648.0) internal successors, (1944), 3 states have internal predecessors, (1944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:37,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:37,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:37,905 INFO L175 Difference]: Start difference. First operand has 158 places, 157 transitions, 341 flow. Second operand 3 states and 1944 transitions. [2023-08-25 05:03:37,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 158 transitions, 441 flow [2023-08-25 05:03:37,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 158 transitions, 440 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 05:03:37,908 INFO L231 Difference]: Finished difference. Result has 160 places, 158 transitions, 352 flow [2023-08-25 05:03:37,909 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=160, PETRI_TRANSITIONS=158} [2023-08-25 05:03:37,909 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -52 predicate places. [2023-08-25 05:03:37,909 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 158 transitions, 352 flow [2023-08-25 05:03:37,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 635.0) internal successors, (1905), 3 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:37,910 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:37,910 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:37,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 05:03:37,910 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:37,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:37,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1902041510, now seen corresponding path program 1 times [2023-08-25 05:03:37,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:37,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972605618] [2023-08-25 05:03:37,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:37,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-25 05:03:38,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:38,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972605618] [2023-08-25 05:03:38,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972605618] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:38,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:38,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 05:03:38,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804843667] [2023-08-25 05:03:38,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:38,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 05:03:38,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:38,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 05:03:38,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 05:03:38,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1383 [2023-08-25 05:03:38,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 158 transitions, 352 flow. Second operand has 6 states, 6 states have (on average 574.3333333333334) internal successors, (3446), 6 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:38,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:38,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1383 [2023-08-25 05:03:38,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:41,305 INFO L124 PetriNetUnfolderBase]: 16588/29910 cut-off events. [2023-08-25 05:03:41,305 INFO L125 PetriNetUnfolderBase]: For 440/440 co-relation queries the response was YES. [2023-08-25 05:03:41,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56190 conditions, 29910 events. 16588/29910 cut-off events. For 440/440 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 228741 event pairs, 7412 based on Foata normal form. 0/25490 useless extension candidates. Maximal degree in co-relation 56183. Up to 9388 conditions per place. [2023-08-25 05:03:41,482 INFO L140 encePairwiseOnDemand]: 1378/1383 looper letters, 418 selfloop transitions, 4 changer transitions 0/473 dead transitions. [2023-08-25 05:03:41,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 473 transitions, 1866 flow [2023-08-25 05:03:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 05:03:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 05:03:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3844 transitions. [2023-08-25 05:03:41,492 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46324415521812484 [2023-08-25 05:03:41,492 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3844 transitions. [2023-08-25 05:03:41,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3844 transitions. [2023-08-25 05:03:41,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:41,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3844 transitions. [2023-08-25 05:03:41,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 640.6666666666666) internal successors, (3844), 6 states have internal predecessors, (3844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:41,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1383.0) internal successors, (9681), 7 states have internal predecessors, (9681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:41,510 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1383.0) internal successors, (9681), 7 states have internal predecessors, (9681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:41,510 INFO L175 Difference]: Start difference. First operand has 160 places, 158 transitions, 352 flow. Second operand 6 states and 3844 transitions. [2023-08-25 05:03:41,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 473 transitions, 1866 flow [2023-08-25 05:03:41,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 473 transitions, 1862 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-25 05:03:41,522 INFO L231 Difference]: Finished difference. Result has 163 places, 157 transitions, 354 flow [2023-08-25 05:03:41,522 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=354, PETRI_PLACES=163, PETRI_TRANSITIONS=157} [2023-08-25 05:03:41,523 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -49 predicate places. [2023-08-25 05:03:41,523 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 157 transitions, 354 flow [2023-08-25 05:03:41,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 574.3333333333334) internal successors, (3446), 6 states have internal predecessors, (3446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:41,524 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:41,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:41,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 05:03:41,527 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:41,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:41,529 INFO L85 PathProgramCache]: Analyzing trace with hash 2068223286, now seen corresponding path program 1 times [2023-08-25 05:03:41,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:41,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277441614] [2023-08-25 05:03:41,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:41,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-25 05:03:41,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:41,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277441614] [2023-08-25 05:03:41,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277441614] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:41,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:41,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:03:41,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819882308] [2023-08-25 05:03:41,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:41,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 05:03:41,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:41,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 05:03:41,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-25 05:03:41,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 590 out of 1383 [2023-08-25 05:03:41,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 157 transitions, 354 flow. Second operand has 4 states, 4 states have (on average 591.75) internal successors, (2367), 4 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:41,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:41,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 590 of 1383 [2023-08-25 05:03:41,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:42,335 INFO L124 PetriNetUnfolderBase]: 2466/6171 cut-off events. [2023-08-25 05:03:42,335 INFO L125 PetriNetUnfolderBase]: For 888/888 co-relation queries the response was YES. [2023-08-25 05:03:42,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11260 conditions, 6171 events. 2466/6171 cut-off events. For 888/888 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 47423 event pairs, 2226 based on Foata normal form. 0/5310 useless extension candidates. Maximal degree in co-relation 11253. Up to 4126 conditions per place. [2023-08-25 05:03:42,374 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 74 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2023-08-25 05:03:42,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 158 transitions, 510 flow [2023-08-25 05:03:42,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 05:03:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 05:03:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2435 transitions. [2023-08-25 05:03:42,381 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4401663051337672 [2023-08-25 05:03:42,381 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2435 transitions. [2023-08-25 05:03:42,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2435 transitions. [2023-08-25 05:03:42,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:42,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2435 transitions. [2023-08-25 05:03:42,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 608.75) internal successors, (2435), 4 states have internal predecessors, (2435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:42,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1383.0) internal successors, (6915), 5 states have internal predecessors, (6915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:42,394 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1383.0) internal successors, (6915), 5 states have internal predecessors, (6915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:42,394 INFO L175 Difference]: Start difference. First operand has 163 places, 157 transitions, 354 flow. Second operand 4 states and 2435 transitions. [2023-08-25 05:03:42,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 158 transitions, 510 flow [2023-08-25 05:03:42,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 503 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 05:03:42,399 INFO L231 Difference]: Finished difference. Result has 163 places, 158 transitions, 361 flow [2023-08-25 05:03:42,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=361, PETRI_PLACES=163, PETRI_TRANSITIONS=158} [2023-08-25 05:03:42,401 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -49 predicate places. [2023-08-25 05:03:42,401 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 158 transitions, 361 flow [2023-08-25 05:03:42,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 591.75) internal successors, (2367), 4 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:42,402 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:42,402 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:42,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 05:03:42,402 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:42,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:42,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1812155700, now seen corresponding path program 1 times [2023-08-25 05:03:42,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:42,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307480876] [2023-08-25 05:03:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:42,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 05:03:42,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:42,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307480876] [2023-08-25 05:03:42,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307480876] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:42,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:42,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:03:42,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76052762] [2023-08-25 05:03:42,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:42,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 05:03:42,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:42,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 05:03:42,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 05:03:42,529 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1383 [2023-08-25 05:03:42,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 158 transitions, 361 flow. Second operand has 4 states, 4 states have (on average 601.5) internal successors, (2406), 4 states have internal predecessors, (2406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:42,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:42,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1383 [2023-08-25 05:03:42,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:43,117 INFO L124 PetriNetUnfolderBase]: 2467/6130 cut-off events. [2023-08-25 05:03:43,117 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2023-08-25 05:03:43,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10442 conditions, 6130 events. 2467/6130 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 46184 event pairs, 2227 based on Foata normal form. 0/5304 useless extension candidates. Maximal degree in co-relation 10434. Up to 4126 conditions per place. [2023-08-25 05:03:43,141 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 75 selfloop transitions, 3 changer transitions 0/159 dead transitions. [2023-08-25 05:03:43,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 159 transitions, 519 flow [2023-08-25 05:03:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 05:03:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 05:03:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2467 transitions. [2023-08-25 05:03:43,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44595083152566883 [2023-08-25 05:03:43,147 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2467 transitions. [2023-08-25 05:03:43,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2467 transitions. [2023-08-25 05:03:43,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:43,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2467 transitions. [2023-08-25 05:03:43,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 616.75) internal successors, (2467), 4 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:43,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1383.0) internal successors, (6915), 5 states have internal predecessors, (6915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:43,159 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1383.0) internal successors, (6915), 5 states have internal predecessors, (6915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:43,159 INFO L175 Difference]: Start difference. First operand has 163 places, 158 transitions, 361 flow. Second operand 4 states and 2467 transitions. [2023-08-25 05:03:43,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 159 transitions, 519 flow [2023-08-25 05:03:43,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 159 transitions, 513 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-25 05:03:43,162 INFO L231 Difference]: Finished difference. Result has 165 places, 159 transitions, 369 flow [2023-08-25 05:03:43,162 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=369, PETRI_PLACES=165, PETRI_TRANSITIONS=159} [2023-08-25 05:03:43,163 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -47 predicate places. [2023-08-25 05:03:43,163 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 159 transitions, 369 flow [2023-08-25 05:03:43,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 601.5) internal successors, (2406), 4 states have internal predecessors, (2406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:43,164 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:43,164 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:43,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 05:03:43,164 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:43,164 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:43,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1419954898, now seen corresponding path program 1 times [2023-08-25 05:03:43,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:43,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883536699] [2023-08-25 05:03:43,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:43,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-25 05:03:43,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:43,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883536699] [2023-08-25 05:03:43,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883536699] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-25 05:03:43,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607854840] [2023-08-25 05:03:43,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:43,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-25 05:03:43,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 05:03:43,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-25 05:03:43,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-25 05:03:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:43,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-25 05:03:43,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-25 05:03:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-25 05:03:43,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-25 05:03:43,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607854840] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:43,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-25 05:03:43,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-08-25 05:03:43,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067875029] [2023-08-25 05:03:43,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:43,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 05:03:43,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:43,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 05:03:43,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-25 05:03:43,525 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1383 [2023-08-25 05:03:43,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 159 transitions, 369 flow. Second operand has 4 states, 4 states have (on average 600.25) internal successors, (2401), 4 states have internal predecessors, (2401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:43,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:43,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1383 [2023-08-25 05:03:43,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:44,062 INFO L124 PetriNetUnfolderBase]: 2466/6173 cut-off events. [2023-08-25 05:03:44,062 INFO L125 PetriNetUnfolderBase]: For 121/121 co-relation queries the response was YES. [2023-08-25 05:03:44,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10490 conditions, 6173 events. 2466/6173 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 47423 event pairs, 2226 based on Foata normal form. 0/5315 useless extension candidates. Maximal degree in co-relation 10481. Up to 4128 conditions per place. [2023-08-25 05:03:44,091 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 76 selfloop transitions, 3 changer transitions 0/160 dead transitions. [2023-08-25 05:03:44,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 160 transitions, 529 flow [2023-08-25 05:03:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 05:03:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 05:03:44,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2467 transitions. [2023-08-25 05:03:44,097 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44595083152566883 [2023-08-25 05:03:44,097 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2467 transitions. [2023-08-25 05:03:44,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2467 transitions. [2023-08-25 05:03:44,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:44,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2467 transitions. [2023-08-25 05:03:44,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 616.75) internal successors, (2467), 4 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:44,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1383.0) internal successors, (6915), 5 states have internal predecessors, (6915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:44,109 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1383.0) internal successors, (6915), 5 states have internal predecessors, (6915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:44,109 INFO L175 Difference]: Start difference. First operand has 165 places, 159 transitions, 369 flow. Second operand 4 states and 2467 transitions. [2023-08-25 05:03:44,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 160 transitions, 529 flow [2023-08-25 05:03:44,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 160 transitions, 523 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-25 05:03:44,112 INFO L231 Difference]: Finished difference. Result has 167 places, 160 transitions, 377 flow [2023-08-25 05:03:44,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=377, PETRI_PLACES=167, PETRI_TRANSITIONS=160} [2023-08-25 05:03:44,113 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -45 predicate places. [2023-08-25 05:03:44,113 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 160 transitions, 377 flow [2023-08-25 05:03:44,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 600.25) internal successors, (2401), 4 states have internal predecessors, (2401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:44,114 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:44,114 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] [2023-08-25 05:03:44,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-25 05:03:44,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-08-25 05:03:44,319 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:44,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:44,319 INFO L85 PathProgramCache]: Analyzing trace with hash -380591095, now seen corresponding path program 1 times [2023-08-25 05:03:44,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:44,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62791710] [2023-08-25 05:03:44,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:44,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:03:44,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:44,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62791710] [2023-08-25 05:03:44,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62791710] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:44,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:44,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 05:03:44,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171655121] [2023-08-25 05:03:44,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:44,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 05:03:44,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:44,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 05:03:44,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 05:03:44,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1383 [2023-08-25 05:03:44,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 160 transitions, 377 flow. Second operand has 6 states, 6 states have (on average 566.6666666666666) internal successors, (3400), 6 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:44,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:44,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1383 [2023-08-25 05:03:44,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:47,019 INFO L124 PetriNetUnfolderBase]: 16186/30177 cut-off events. [2023-08-25 05:03:47,019 INFO L125 PetriNetUnfolderBase]: For 384/384 co-relation queries the response was YES. [2023-08-25 05:03:47,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57267 conditions, 30177 events. 16186/30177 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 235444 event pairs, 4970 based on Foata normal form. 0/26663 useless extension candidates. Maximal degree in co-relation 57257. Up to 24094 conditions per place. [2023-08-25 05:03:47,253 INFO L140 encePairwiseOnDemand]: 1371/1383 looper letters, 184 selfloop transitions, 8 changer transitions 0/240 dead transitions. [2023-08-25 05:03:47,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 240 transitions, 937 flow [2023-08-25 05:03:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 05:03:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 05:03:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3574 transitions. [2023-08-25 05:03:47,261 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.430706194263678 [2023-08-25 05:03:47,261 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3574 transitions. [2023-08-25 05:03:47,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3574 transitions. [2023-08-25 05:03:47,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:47,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3574 transitions. [2023-08-25 05:03:47,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 595.6666666666666) internal successors, (3574), 6 states have internal predecessors, (3574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:47,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1383.0) internal successors, (9681), 7 states have internal predecessors, (9681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:47,279 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1383.0) internal successors, (9681), 7 states have internal predecessors, (9681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:47,279 INFO L175 Difference]: Start difference. First operand has 167 places, 160 transitions, 377 flow. Second operand 6 states and 3574 transitions. [2023-08-25 05:03:47,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 240 transitions, 937 flow [2023-08-25 05:03:47,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 240 transitions, 931 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-25 05:03:47,285 INFO L231 Difference]: Finished difference. Result has 170 places, 164 transitions, 425 flow [2023-08-25 05:03:47,285 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=425, PETRI_PLACES=170, PETRI_TRANSITIONS=164} [2023-08-25 05:03:47,286 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -42 predicate places. [2023-08-25 05:03:47,286 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 164 transitions, 425 flow [2023-08-25 05:03:47,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 566.6666666666666) internal successors, (3400), 6 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:47,287 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:47,287 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] [2023-08-25 05:03:47,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-25 05:03:47,288 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:47,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:47,288 INFO L85 PathProgramCache]: Analyzing trace with hash -138995531, now seen corresponding path program 1 times [2023-08-25 05:03:47,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:47,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873764841] [2023-08-25 05:03:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:03:47,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:47,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873764841] [2023-08-25 05:03:47,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873764841] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:47,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:47,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 05:03:47,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458258842] [2023-08-25 05:03:47,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:47,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 05:03:47,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:47,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 05:03:47,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 05:03:47,753 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1383 [2023-08-25 05:03:47,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 164 transitions, 425 flow. Second operand has 6 states, 6 states have (on average 566.8333333333334) internal successors, (3401), 6 states have internal predecessors, (3401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:47,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:47,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1383 [2023-08-25 05:03:47,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:50,202 INFO L124 PetriNetUnfolderBase]: 14550/26980 cut-off events. [2023-08-25 05:03:50,203 INFO L125 PetriNetUnfolderBase]: For 2122/2122 co-relation queries the response was YES. [2023-08-25 05:03:50,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53428 conditions, 26980 events. 14550/26980 cut-off events. For 2122/2122 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 207357 event pairs, 4589 based on Foata normal form. 0/24556 useless extension candidates. Maximal degree in co-relation 53415. Up to 21800 conditions per place. [2023-08-25 05:03:50,333 INFO L140 encePairwiseOnDemand]: 1371/1383 looper letters, 180 selfloop transitions, 8 changer transitions 0/236 dead transitions. [2023-08-25 05:03:50,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 236 transitions, 1021 flow [2023-08-25 05:03:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 05:03:50,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 05:03:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3562 transitions. [2023-08-25 05:03:50,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4292600626657026 [2023-08-25 05:03:50,343 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3562 transitions. [2023-08-25 05:03:50,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3562 transitions. [2023-08-25 05:03:50,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:50,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3562 transitions. [2023-08-25 05:03:50,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 593.6666666666666) internal successors, (3562), 6 states have internal predecessors, (3562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:50,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1383.0) internal successors, (9681), 7 states have internal predecessors, (9681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:50,360 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1383.0) internal successors, (9681), 7 states have internal predecessors, (9681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:50,360 INFO L175 Difference]: Start difference. First operand has 170 places, 164 transitions, 425 flow. Second operand 6 states and 3562 transitions. [2023-08-25 05:03:50,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 236 transitions, 1021 flow [2023-08-25 05:03:50,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 236 transitions, 1021 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:03:50,368 INFO L231 Difference]: Finished difference. Result has 175 places, 168 transitions, 479 flow [2023-08-25 05:03:50,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=479, PETRI_PLACES=175, PETRI_TRANSITIONS=168} [2023-08-25 05:03:50,369 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -37 predicate places. [2023-08-25 05:03:50,369 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 168 transitions, 479 flow [2023-08-25 05:03:50,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 566.8333333333334) internal successors, (3401), 6 states have internal predecessors, (3401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:50,370 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:50,370 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, 1, 1, 1, 1, 1] [2023-08-25 05:03:50,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-25 05:03:50,370 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:50,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:50,371 INFO L85 PathProgramCache]: Analyzing trace with hash 306750695, now seen corresponding path program 1 times [2023-08-25 05:03:50,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:50,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940205256] [2023-08-25 05:03:50,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:50,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:03:50,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:50,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940205256] [2023-08-25 05:03:50,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940205256] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:50,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:50,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:03:50,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370828374] [2023-08-25 05:03:50,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:50,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:50,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:50,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:50,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:50,431 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 1383 [2023-08-25 05:03:50,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 168 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:50,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:50,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 1383 [2023-08-25 05:03:50,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:50,938 INFO L124 PetriNetUnfolderBase]: 1000/4112 cut-off events. [2023-08-25 05:03:50,938 INFO L125 PetriNetUnfolderBase]: For 154/164 co-relation queries the response was YES. [2023-08-25 05:03:50,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6287 conditions, 4112 events. 1000/4112 cut-off events. For 154/164 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 37211 event pairs, 237 based on Foata normal form. 0/3790 useless extension candidates. Maximal degree in co-relation 6270. Up to 1291 conditions per place. [2023-08-25 05:03:50,951 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 75 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2023-08-25 05:03:50,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 188 transitions, 681 flow [2023-08-25 05:03:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2049 transitions. [2023-08-25 05:03:50,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4938539407086045 [2023-08-25 05:03:50,954 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2049 transitions. [2023-08-25 05:03:50,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2049 transitions. [2023-08-25 05:03:50,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:50,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2049 transitions. [2023-08-25 05:03:50,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:50,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:50,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:50,963 INFO L175 Difference]: Start difference. First operand has 175 places, 168 transitions, 479 flow. Second operand 3 states and 2049 transitions. [2023-08-25 05:03:50,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 188 transitions, 681 flow [2023-08-25 05:03:50,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 188 transitions, 681 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:03:50,967 INFO L231 Difference]: Finished difference. Result has 176 places, 168 transitions, 489 flow [2023-08-25 05:03:50,967 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=489, PETRI_PLACES=176, PETRI_TRANSITIONS=168} [2023-08-25 05:03:50,967 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -36 predicate places. [2023-08-25 05:03:50,967 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 168 transitions, 489 flow [2023-08-25 05:03:50,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:50,968 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:50,968 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, 1, 1, 1, 1, 1] [2023-08-25 05:03:50,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-25 05:03:50,968 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:50,969 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:50,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1152678872, now seen corresponding path program 1 times [2023-08-25 05:03:50,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:50,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75529118] [2023-08-25 05:03:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:50,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:03:51,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:51,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75529118] [2023-08-25 05:03:51,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75529118] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:51,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:51,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:03:51,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928147324] [2023-08-25 05:03:51,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:51,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:51,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:51,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:51,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:51,026 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 1383 [2023-08-25 05:03:51,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 168 transitions, 489 flow. Second operand has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:51,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:51,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 1383 [2023-08-25 05:03:51,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:51,526 INFO L124 PetriNetUnfolderBase]: 1102/4710 cut-off events. [2023-08-25 05:03:51,526 INFO L125 PetriNetUnfolderBase]: For 195/205 co-relation queries the response was YES. [2023-08-25 05:03:51,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7254 conditions, 4710 events. 1102/4710 cut-off events. For 195/205 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 44196 event pairs, 237 based on Foata normal form. 0/4440 useless extension candidates. Maximal degree in co-relation 7236. Up to 1535 conditions per place. [2023-08-25 05:03:51,565 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 77 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2023-08-25 05:03:51,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 188 transitions, 697 flow [2023-08-25 05:03:51,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:51,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2049 transitions. [2023-08-25 05:03:51,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4938539407086045 [2023-08-25 05:03:51,570 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2049 transitions. [2023-08-25 05:03:51,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2049 transitions. [2023-08-25 05:03:51,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:51,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2049 transitions. [2023-08-25 05:03:51,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:51,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:51,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:51,582 INFO L175 Difference]: Start difference. First operand has 176 places, 168 transitions, 489 flow. Second operand 3 states and 2049 transitions. [2023-08-25 05:03:51,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 188 transitions, 697 flow [2023-08-25 05:03:51,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 188 transitions, 697 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:03:51,586 INFO L231 Difference]: Finished difference. Result has 177 places, 168 transitions, 499 flow [2023-08-25 05:03:51,587 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=499, PETRI_PLACES=177, PETRI_TRANSITIONS=168} [2023-08-25 05:03:51,587 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -35 predicate places. [2023-08-25 05:03:51,588 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 168 transitions, 499 flow [2023-08-25 05:03:51,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 664.0) internal successors, (1992), 3 states have internal predecessors, (1992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:51,588 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:51,588 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:51,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-25 05:03:51,589 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:51,589 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:51,589 INFO L85 PathProgramCache]: Analyzing trace with hash -985521816, now seen corresponding path program 1 times [2023-08-25 05:03:51,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:51,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226286886] [2023-08-25 05:03:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:51,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:03:51,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:51,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226286886] [2023-08-25 05:03:51,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226286886] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:51,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:51,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:03:51,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988980757] [2023-08-25 05:03:51,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:51,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:51,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:51,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:51,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:51,735 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1383 [2023-08-25 05:03:51,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 168 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 573.0) internal successors, (1719), 3 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:51,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:51,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1383 [2023-08-25 05:03:51,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:54,794 INFO L124 PetriNetUnfolderBase]: 18332/33765 cut-off events. [2023-08-25 05:03:54,795 INFO L125 PetriNetUnfolderBase]: For 5976/5976 co-relation queries the response was YES. [2023-08-25 05:03:54,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71764 conditions, 33765 events. 18332/33765 cut-off events. For 5976/5976 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 270154 event pairs, 4533 based on Foata normal form. 0/32180 useless extension candidates. Maximal degree in co-relation 71745. Up to 20180 conditions per place. [2023-08-25 05:03:54,972 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 182 selfloop transitions, 2 changer transitions 0/228 dead transitions. [2023-08-25 05:03:54,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 228 transitions, 1033 flow [2023-08-25 05:03:54,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1852 transitions. [2023-08-25 05:03:54,976 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44637261990841165 [2023-08-25 05:03:54,976 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1852 transitions. [2023-08-25 05:03:54,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1852 transitions. [2023-08-25 05:03:54,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:54,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1852 transitions. [2023-08-25 05:03:54,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 617.3333333333334) internal successors, (1852), 3 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:54,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:54,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:54,983 INFO L175 Difference]: Start difference. First operand has 177 places, 168 transitions, 499 flow. Second operand 3 states and 1852 transitions. [2023-08-25 05:03:54,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 228 transitions, 1033 flow [2023-08-25 05:03:54,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 228 transitions, 1033 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:03:54,994 INFO L231 Difference]: Finished difference. Result has 178 places, 168 transitions, 509 flow [2023-08-25 05:03:54,994 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=509, PETRI_PLACES=178, PETRI_TRANSITIONS=168} [2023-08-25 05:03:54,995 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -34 predicate places. [2023-08-25 05:03:54,995 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 168 transitions, 509 flow [2023-08-25 05:03:54,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 573.0) internal successors, (1719), 3 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:54,996 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:54,996 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:54,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-25 05:03:54,996 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:54,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:54,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2056011675, now seen corresponding path program 1 times [2023-08-25 05:03:54,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:54,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436881001] [2023-08-25 05:03:54,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:54,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:03:55,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:55,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436881001] [2023-08-25 05:03:55,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436881001] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:55,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:55,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:03:55,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980338261] [2023-08-25 05:03:55,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:55,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:55,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:55,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:55,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:55,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 564 out of 1383 [2023-08-25 05:03:55,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 168 transitions, 509 flow. Second operand has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:55,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:55,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 564 of 1383 [2023-08-25 05:03:55,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:58,374 INFO L124 PetriNetUnfolderBase]: 17889/33677 cut-off events. [2023-08-25 05:03:58,374 INFO L125 PetriNetUnfolderBase]: For 6308/6308 co-relation queries the response was YES. [2023-08-25 05:03:58,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71641 conditions, 33677 events. 17889/33677 cut-off events. For 6308/6308 co-relation queries the response was YES. Maximal size of possible extension queue 572. Compared 273421 event pairs, 4628 based on Foata normal form. 0/32445 useless extension candidates. Maximal degree in co-relation 71621. Up to 19457 conditions per place. [2023-08-25 05:03:58,580 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 175 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2023-08-25 05:03:58,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 221 transitions, 1017 flow [2023-08-25 05:03:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:58,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1843 transitions. [2023-08-25 05:03:58,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44420342251144856 [2023-08-25 05:03:58,584 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1843 transitions. [2023-08-25 05:03:58,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1843 transitions. [2023-08-25 05:03:58,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:58,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1843 transitions. [2023-08-25 05:03:58,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 614.3333333333334) internal successors, (1843), 3 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:58,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:58,591 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:58,591 INFO L175 Difference]: Start difference. First operand has 178 places, 168 transitions, 509 flow. Second operand 3 states and 1843 transitions. [2023-08-25 05:03:58,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 221 transitions, 1017 flow [2023-08-25 05:03:58,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 221 transitions, 1017 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:03:58,602 INFO L231 Difference]: Finished difference. Result has 179 places, 168 transitions, 519 flow [2023-08-25 05:03:58,602 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=505, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=519, PETRI_PLACES=179, PETRI_TRANSITIONS=168} [2023-08-25 05:03:58,603 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -33 predicate places. [2023-08-25 05:03:58,603 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 168 transitions, 519 flow [2023-08-25 05:03:58,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:58,603 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:58,603 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:58,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-25 05:03:58,604 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:58,604 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:58,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2101762046, now seen corresponding path program 1 times [2023-08-25 05:03:58,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:58,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700233706] [2023-08-25 05:03:58,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:58,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:03:58,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:58,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700233706] [2023-08-25 05:03:58,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700233706] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:58,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:58,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:03:58,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147177895] [2023-08-25 05:03:58,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:58,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:58,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:58,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:58,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:58,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 661 out of 1383 [2023-08-25 05:03:58,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 168 transitions, 519 flow. Second operand has 3 states, 3 states have (on average 668.0) internal successors, (2004), 3 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:58,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:58,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 661 of 1383 [2023-08-25 05:03:58,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:03:59,318 INFO L124 PetriNetUnfolderBase]: 1101/4668 cut-off events. [2023-08-25 05:03:59,318 INFO L125 PetriNetUnfolderBase]: For 358/372 co-relation queries the response was YES. [2023-08-25 05:03:59,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7609 conditions, 4668 events. 1101/4668 cut-off events. For 358/372 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 43226 event pairs, 585 based on Foata normal form. 0/4427 useless extension candidates. Maximal degree in co-relation 7588. Up to 1415 conditions per place. [2023-08-25 05:03:59,340 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 74 selfloop transitions, 3 changer transitions 0/186 dead transitions. [2023-08-25 05:03:59,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 186 transitions, 719 flow [2023-08-25 05:03:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:03:59,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:03:59,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2047 transitions. [2023-08-25 05:03:59,345 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4933718968426127 [2023-08-25 05:03:59,345 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2047 transitions. [2023-08-25 05:03:59,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2047 transitions. [2023-08-25 05:03:59,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:03:59,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2047 transitions. [2023-08-25 05:03:59,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 682.3333333333334) internal successors, (2047), 3 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:59,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:59,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:59,351 INFO L175 Difference]: Start difference. First operand has 179 places, 168 transitions, 519 flow. Second operand 3 states and 2047 transitions. [2023-08-25 05:03:59,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 186 transitions, 719 flow [2023-08-25 05:03:59,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 186 transitions, 719 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 05:03:59,356 INFO L231 Difference]: Finished difference. Result has 183 places, 170 transitions, 541 flow [2023-08-25 05:03:59,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=541, PETRI_PLACES=183, PETRI_TRANSITIONS=170} [2023-08-25 05:03:59,356 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -29 predicate places. [2023-08-25 05:03:59,357 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 170 transitions, 541 flow [2023-08-25 05:03:59,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 668.0) internal successors, (2004), 3 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:59,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:03:59,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:03:59,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-25 05:03:59,357 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:03:59,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:03:59,358 INFO L85 PathProgramCache]: Analyzing trace with hash 142963261, now seen corresponding path program 1 times [2023-08-25 05:03:59,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:03:59,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744328249] [2023-08-25 05:03:59,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:03:59,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:03:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:03:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:03:59,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:03:59,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744328249] [2023-08-25 05:03:59,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744328249] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:03:59,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:03:59,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 05:03:59,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347054662] [2023-08-25 05:03:59,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:03:59,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:03:59,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:03:59,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:03:59,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:03:59,422 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 661 out of 1383 [2023-08-25 05:03:59,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 170 transitions, 541 flow. Second operand has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:03:59,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:03:59,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 661 of 1383 [2023-08-25 05:03:59,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:04:00,047 INFO L124 PetriNetUnfolderBase]: 1174/5115 cut-off events. [2023-08-25 05:04:00,047 INFO L125 PetriNetUnfolderBase]: For 655/669 co-relation queries the response was YES. [2023-08-25 05:04:00,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8620 conditions, 5115 events. 1174/5115 cut-off events. For 655/669 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 47655 event pairs, 712 based on Foata normal form. 0/4928 useless extension candidates. Maximal degree in co-relation 8597. Up to 1672 conditions per place. [2023-08-25 05:04:00,065 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 84 selfloop transitions, 3 changer transitions 0/196 dead transitions. [2023-08-25 05:04:00,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 196 transitions, 804 flow [2023-08-25 05:04:00,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:04:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:04:00,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2052 transitions. [2023-08-25 05:04:00,068 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4945770065075922 [2023-08-25 05:04:00,068 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2052 transitions. [2023-08-25 05:04:00,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2052 transitions. [2023-08-25 05:04:00,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:04:00,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2052 transitions. [2023-08-25 05:04:00,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 684.0) internal successors, (2052), 3 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,074 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,074 INFO L175 Difference]: Start difference. First operand has 183 places, 170 transitions, 541 flow. Second operand 3 states and 2052 transitions. [2023-08-25 05:04:00,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 196 transitions, 804 flow [2023-08-25 05:04:00,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 196 transitions, 792 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 05:04:00,081 INFO L231 Difference]: Finished difference. Result has 185 places, 172 transitions, 557 flow [2023-08-25 05:04:00,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=535, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=557, PETRI_PLACES=185, PETRI_TRANSITIONS=172} [2023-08-25 05:04:00,082 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -27 predicate places. [2023-08-25 05:04:00,082 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 172 transitions, 557 flow [2023-08-25 05:04:00,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 666.3333333333334) internal successors, (1999), 3 states have internal predecessors, (1999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:04:00,082 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:04:00,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-25 05:04:00,083 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:04:00,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:04:00,083 INFO L85 PathProgramCache]: Analyzing trace with hash 200150645, now seen corresponding path program 1 times [2023-08-25 05:04:00,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:04:00,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888757778] [2023-08-25 05:04:00,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:04:00,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:04:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:04:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:04:00,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:04:00,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888757778] [2023-08-25 05:04:00,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888757778] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:04:00,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:04:00,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:04:00,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976902570] [2023-08-25 05:04:00,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:04:00,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:04:00,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:04:00,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:04:00,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:04:00,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1383 [2023-08-25 05:04:00,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 172 transitions, 557 flow. Second operand has 3 states, 3 states have (on average 662.0) internal successors, (1986), 3 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:04:00,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1383 [2023-08-25 05:04:00,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:04:00,737 INFO L124 PetriNetUnfolderBase]: 1174/4831 cut-off events. [2023-08-25 05:04:00,738 INFO L125 PetriNetUnfolderBase]: For 755/769 co-relation queries the response was YES. [2023-08-25 05:04:00,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8677 conditions, 4831 events. 1174/4831 cut-off events. For 755/769 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 44248 event pairs, 818 based on Foata normal form. 100/4790 useless extension candidates. Maximal degree in co-relation 8653. Up to 1910 conditions per place. [2023-08-25 05:04:00,778 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 77 selfloop transitions, 4 changer transitions 0/189 dead transitions. [2023-08-25 05:04:00,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 189 transitions, 781 flow [2023-08-25 05:04:00,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:04:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:04:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2024 transitions. [2023-08-25 05:04:00,781 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4878283923837069 [2023-08-25 05:04:00,781 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2024 transitions. [2023-08-25 05:04:00,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2024 transitions. [2023-08-25 05:04:00,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:04:00,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2024 transitions. [2023-08-25 05:04:00,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 674.6666666666666) internal successors, (2024), 3 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,786 INFO L175 Difference]: Start difference. First operand has 185 places, 172 transitions, 557 flow. Second operand 3 states and 2024 transitions. [2023-08-25 05:04:00,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 189 transitions, 781 flow [2023-08-25 05:04:00,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 189 transitions, 769 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 05:04:00,796 INFO L231 Difference]: Finished difference. Result has 184 places, 171 transitions, 557 flow [2023-08-25 05:04:00,796 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=557, PETRI_PLACES=184, PETRI_TRANSITIONS=171} [2023-08-25 05:04:00,797 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -28 predicate places. [2023-08-25 05:04:00,797 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 171 transitions, 557 flow [2023-08-25 05:04:00,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 662.0) internal successors, (1986), 3 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:04:00,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:04:00,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-25 05:04:00,798 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:04:00,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:04:00,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1194229201, now seen corresponding path program 1 times [2023-08-25 05:04:00,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:04:00,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268172413] [2023-08-25 05:04:00,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:04:00,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:04:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:04:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:04:00,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:04:00,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268172413] [2023-08-25 05:04:00,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268172413] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:04:00,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:04:00,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 05:04:00,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627357991] [2023-08-25 05:04:00,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:04:00,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 05:04:00,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:04:00,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 05:04:00,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 05:04:00,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 1383 [2023-08-25 05:04:00,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 171 transitions, 557 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:00,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:04:00,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 1383 [2023-08-25 05:04:00,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:04:01,402 INFO L124 PetriNetUnfolderBase]: 1174/4791 cut-off events. [2023-08-25 05:04:01,403 INFO L125 PetriNetUnfolderBase]: For 689/703 co-relation queries the response was YES. [2023-08-25 05:04:01,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8669 conditions, 4791 events. 1174/4791 cut-off events. For 689/703 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 43350 event pairs, 793 based on Foata normal form. 116/4758 useless extension candidates. Maximal degree in co-relation 8645. Up to 1863 conditions per place. [2023-08-25 05:04:01,428 INFO L140 encePairwiseOnDemand]: 1379/1383 looper letters, 83 selfloop transitions, 4 changer transitions 0/194 dead transitions. [2023-08-25 05:04:01,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 194 transitions, 816 flow [2023-08-25 05:04:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 05:04:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 05:04:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2029 transitions. [2023-08-25 05:04:01,431 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48903350204868645 [2023-08-25 05:04:01,431 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2029 transitions. [2023-08-25 05:04:01,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2029 transitions. [2023-08-25 05:04:01,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:04:01,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2029 transitions. [2023-08-25 05:04:01,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 676.3333333333334) internal successors, (2029), 3 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:01,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:01,437 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1383.0) internal successors, (5532), 4 states have internal predecessors, (5532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:01,437 INFO L175 Difference]: Start difference. First operand has 184 places, 171 transitions, 557 flow. Second operand 3 states and 2029 transitions. [2023-08-25 05:04:01,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 194 transitions, 816 flow [2023-08-25 05:04:01,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 194 transitions, 800 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 05:04:01,447 INFO L231 Difference]: Finished difference. Result has 183 places, 170 transitions, 555 flow [2023-08-25 05:04:01,447 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=555, PETRI_PLACES=183, PETRI_TRANSITIONS=170} [2023-08-25 05:04:01,448 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -29 predicate places. [2023-08-25 05:04:01,448 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 170 transitions, 555 flow [2023-08-25 05:04:01,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:01,448 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:04:01,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:04:01,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-25 05:04:01,449 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:04:01,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:04:01,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1943244900, now seen corresponding path program 1 times [2023-08-25 05:04:01,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:04:01,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894813742] [2023-08-25 05:04:01,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:04:01,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:04:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:04:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:04:01,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:04:01,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894813742] [2023-08-25 05:04:01,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894813742] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:04:01,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:04:01,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 05:04:01,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538845395] [2023-08-25 05:04:01,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:04:01,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 05:04:01,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:04:01,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 05:04:01,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 05:04:01,970 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 572 out of 1383 [2023-08-25 05:04:01,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 170 transitions, 555 flow. Second operand has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:01,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:04:01,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 572 of 1383 [2023-08-25 05:04:01,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:04:05,674 INFO L124 PetriNetUnfolderBase]: 17232/32308 cut-off events. [2023-08-25 05:04:05,674 INFO L125 PetriNetUnfolderBase]: For 7752/7752 co-relation queries the response was YES. [2023-08-25 05:04:05,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73605 conditions, 32308 events. 17232/32308 cut-off events. For 7752/7752 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 258596 event pairs, 14089 based on Foata normal form. 0/31906 useless extension candidates. Maximal degree in co-relation 73581. Up to 26425 conditions per place. [2023-08-25 05:04:05,913 INFO L140 encePairwiseOnDemand]: 1378/1383 looper letters, 272 selfloop transitions, 4 changer transitions 0/321 dead transitions. [2023-08-25 05:04:05,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 321 transitions, 1585 flow [2023-08-25 05:04:05,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 05:04:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 05:04:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3659 transitions. [2023-08-25 05:04:05,919 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4409496264160039 [2023-08-25 05:04:05,919 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3659 transitions. [2023-08-25 05:04:05,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3659 transitions. [2023-08-25 05:04:05,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:04:05,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3659 transitions. [2023-08-25 05:04:05,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 609.8333333333334) internal successors, (3659), 6 states have internal predecessors, (3659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:05,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1383.0) internal successors, (9681), 7 states have internal predecessors, (9681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:05,928 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1383.0) internal successors, (9681), 7 states have internal predecessors, (9681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:05,928 INFO L175 Difference]: Start difference. First operand has 183 places, 170 transitions, 555 flow. Second operand 6 states and 3659 transitions. [2023-08-25 05:04:05,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 321 transitions, 1585 flow [2023-08-25 05:04:06,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 321 transitions, 1577 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 05:04:06,012 INFO L231 Difference]: Finished difference. Result has 185 places, 169 transitions, 553 flow [2023-08-25 05:04:06,012 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=545, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=553, PETRI_PLACES=185, PETRI_TRANSITIONS=169} [2023-08-25 05:04:06,013 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, -27 predicate places. [2023-08-25 05:04:06,013 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 169 transitions, 553 flow [2023-08-25 05:04:06,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:06,013 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:04:06,013 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:04:06,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-25 05:04:06,013 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:04:06,014 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:04:06,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1726759932, now seen corresponding path program 1 times [2023-08-25 05:04:06,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:04:06,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180759193] [2023-08-25 05:04:06,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:04:06,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:04:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:04:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:04:07,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:04:07,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180759193] [2023-08-25 05:04:07,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180759193] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:04:07,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:04:07,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-08-25 05:04:07,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431262484] [2023-08-25 05:04:07,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:04:07,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-25 05:04:07,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:04:07,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-25 05:04:07,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-08-25 05:04:07,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 1383 [2023-08-25 05:04:07,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 169 transitions, 553 flow. Second operand has 15 states, 15 states have (on average 512.2666666666667) internal successors, (7684), 15 states have internal predecessors, (7684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:07,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:04:07,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 1383 [2023-08-25 05:04:07,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:04:12,988 INFO L124 PetriNetUnfolderBase]: 13756/26944 cut-off events. [2023-08-25 05:04:12,988 INFO L125 PetriNetUnfolderBase]: For 5457/5457 co-relation queries the response was YES. [2023-08-25 05:04:13,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60905 conditions, 26944 events. 13756/26944 cut-off events. For 5457/5457 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 222931 event pairs, 4133 based on Foata normal form. 1/26446 useless extension candidates. Maximal degree in co-relation 60881. Up to 8549 conditions per place. [2023-08-25 05:04:13,132 INFO L140 encePairwiseOnDemand]: 1366/1383 looper letters, 603 selfloop transitions, 43 changer transitions 11/700 dead transitions. [2023-08-25 05:04:13,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 700 transitions, 3567 flow [2023-08-25 05:04:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-08-25 05:04:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-08-25 05:04:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 12765 transitions. [2023-08-25 05:04:13,152 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38458062183658714 [2023-08-25 05:04:13,152 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 12765 transitions. [2023-08-25 05:04:13,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 12765 transitions. [2023-08-25 05:04:13,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:04:13,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 12765 transitions. [2023-08-25 05:04:13,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 531.875) internal successors, (12765), 24 states have internal predecessors, (12765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:13,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 1383.0) internal successors, (34575), 25 states have internal predecessors, (34575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:13,192 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 1383.0) internal successors, (34575), 25 states have internal predecessors, (34575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:13,192 INFO L175 Difference]: Start difference. First operand has 185 places, 169 transitions, 553 flow. Second operand 24 states and 12765 transitions. [2023-08-25 05:04:13,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 700 transitions, 3567 flow [2023-08-25 05:04:13,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 700 transitions, 3504 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-25 05:04:13,234 INFO L231 Difference]: Finished difference. Result has 219 places, 210 transitions, 907 flow [2023-08-25 05:04:13,234 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=907, PETRI_PLACES=219, PETRI_TRANSITIONS=210} [2023-08-25 05:04:13,235 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 7 predicate places. [2023-08-25 05:04:13,235 INFO L495 AbstractCegarLoop]: Abstraction has has 219 places, 210 transitions, 907 flow [2023-08-25 05:04:13,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 512.2666666666667) internal successors, (7684), 15 states have internal predecessors, (7684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:13,236 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:04:13,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:04:13,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-25 05:04:13,236 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:04:13,236 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:04:13,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1720688898, now seen corresponding path program 2 times [2023-08-25 05:04:13,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:04:13,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617949334] [2023-08-25 05:04:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:04:13,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:04:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:04:14,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:04:14,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:04:14,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617949334] [2023-08-25 05:04:14,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617949334] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:04:14,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:04:14,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:04:14,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439309095] [2023-08-25 05:04:14,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:04:14,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:04:14,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:04:14,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:04:14,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:04:14,828 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:04:14,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 210 transitions, 907 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:14,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:04:14,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:04:14,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:04:20,272 INFO L124 PetriNetUnfolderBase]: 17027/33983 cut-off events. [2023-08-25 05:04:20,272 INFO L125 PetriNetUnfolderBase]: For 17339/17341 co-relation queries the response was YES. [2023-08-25 05:04:20,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81674 conditions, 33983 events. 17027/33983 cut-off events. For 17339/17341 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 298580 event pairs, 2562 based on Foata normal form. 2/33906 useless extension candidates. Maximal degree in co-relation 81635. Up to 15739 conditions per place. [2023-08-25 05:04:20,509 INFO L140 encePairwiseOnDemand]: 1368/1383 looper letters, 548 selfloop transitions, 54 changer transitions 7/656 dead transitions. [2023-08-25 05:04:20,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 656 transitions, 3780 flow [2023-08-25 05:04:20,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-25 05:04:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-25 05:04:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 10675 transitions. [2023-08-25 05:04:20,517 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4062488107470411 [2023-08-25 05:04:20,517 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 10675 transitions. [2023-08-25 05:04:20,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 10675 transitions. [2023-08-25 05:04:20,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:04:20,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 10675 transitions. [2023-08-25 05:04:20,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 561.8421052631579) internal successors, (10675), 19 states have internal predecessors, (10675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:20,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 1383.0) internal successors, (27660), 20 states have internal predecessors, (27660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:20,545 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 1383.0) internal successors, (27660), 20 states have internal predecessors, (27660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:20,545 INFO L175 Difference]: Start difference. First operand has 219 places, 210 transitions, 907 flow. Second operand 19 states and 10675 transitions. [2023-08-25 05:04:20,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 656 transitions, 3780 flow [2023-08-25 05:04:20,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 656 transitions, 3743 flow, removed 17 selfloop flow, removed 3 redundant places. [2023-08-25 05:04:20,696 INFO L231 Difference]: Finished difference. Result has 245 places, 236 transitions, 1280 flow [2023-08-25 05:04:20,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1280, PETRI_PLACES=245, PETRI_TRANSITIONS=236} [2023-08-25 05:04:20,697 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 33 predicate places. [2023-08-25 05:04:20,698 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 236 transitions, 1280 flow [2023-08-25 05:04:20,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:20,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:04:20,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:04:20,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-25 05:04:20,699 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:04:20,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:04:20,700 INFO L85 PathProgramCache]: Analyzing trace with hash -603176156, now seen corresponding path program 3 times [2023-08-25 05:04:20,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:04:20,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288983681] [2023-08-25 05:04:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:04:20,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:04:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:04:22,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:04:22,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:04:22,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288983681] [2023-08-25 05:04:22,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288983681] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:04:22,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:04:22,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-08-25 05:04:22,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631746309] [2023-08-25 05:04:22,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:04:22,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-25 05:04:22,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:04:22,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-25 05:04:22,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-08-25 05:04:22,174 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 1383 [2023-08-25 05:04:22,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 236 transitions, 1280 flow. Second operand has 15 states, 15 states have (on average 512.2666666666667) internal successors, (7684), 15 states have internal predecessors, (7684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:22,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:04:22,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 1383 [2023-08-25 05:04:22,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:04:30,264 INFO L124 PetriNetUnfolderBase]: 22421/44146 cut-off events. [2023-08-25 05:04:30,265 INFO L125 PetriNetUnfolderBase]: For 46609/46609 co-relation queries the response was YES. [2023-08-25 05:04:30,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114168 conditions, 44146 events. 22421/44146 cut-off events. For 46609/46609 co-relation queries the response was YES. Maximal size of possible extension queue 881. Compared 398491 event pairs, 5787 based on Foata normal form. 1/44028 useless extension candidates. Maximal degree in co-relation 114118. Up to 23509 conditions per place. [2023-08-25 05:04:30,649 INFO L140 encePairwiseOnDemand]: 1365/1383 looper letters, 638 selfloop transitions, 66 changer transitions 11/758 dead transitions. [2023-08-25 05:04:30,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 758 transitions, 4800 flow [2023-08-25 05:04:30,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-08-25 05:04:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-08-25 05:04:30,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 12759 transitions. [2023-08-25 05:04:30,658 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3843998553868402 [2023-08-25 05:04:30,658 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 12759 transitions. [2023-08-25 05:04:30,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 12759 transitions. [2023-08-25 05:04:30,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:04:30,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 12759 transitions. [2023-08-25 05:04:30,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 531.625) internal successors, (12759), 24 states have internal predecessors, (12759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:30,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 1383.0) internal successors, (34575), 25 states have internal predecessors, (34575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:30,694 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 1383.0) internal successors, (34575), 25 states have internal predecessors, (34575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:30,694 INFO L175 Difference]: Start difference. First operand has 245 places, 236 transitions, 1280 flow. Second operand 24 states and 12759 transitions. [2023-08-25 05:04:30,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 758 transitions, 4800 flow [2023-08-25 05:04:30,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 758 transitions, 4645 flow, removed 50 selfloop flow, removed 4 redundant places. [2023-08-25 05:04:30,923 INFO L231 Difference]: Finished difference. Result has 277 places, 269 transitions, 1801 flow [2023-08-25 05:04:30,923 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=1164, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1801, PETRI_PLACES=277, PETRI_TRANSITIONS=269} [2023-08-25 05:04:30,924 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 65 predicate places. [2023-08-25 05:04:30,924 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 269 transitions, 1801 flow [2023-08-25 05:04:30,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 512.2666666666667) internal successors, (7684), 15 states have internal predecessors, (7684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:30,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:04:30,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:04:30,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-25 05:04:30,925 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:04:30,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:04:30,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1537283632, now seen corresponding path program 4 times [2023-08-25 05:04:30,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:04:30,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082345019] [2023-08-25 05:04:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:04:30,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:04:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:04:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:04:32,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:04:32,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082345019] [2023-08-25 05:04:32,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082345019] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:04:32,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:04:32,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:04:32,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261681078] [2023-08-25 05:04:32,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:04:32,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:04:32,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:04:32,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:04:32,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:04:32,217 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:04:32,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 269 transitions, 1801 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:32,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:04:32,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:04:32,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:04:40,938 INFO L124 PetriNetUnfolderBase]: 25945/51547 cut-off events. [2023-08-25 05:04:40,939 INFO L125 PetriNetUnfolderBase]: For 73564/73570 co-relation queries the response was YES. [2023-08-25 05:04:41,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137476 conditions, 51547 events. 25945/51547 cut-off events. For 73564/73570 co-relation queries the response was YES. Maximal size of possible extension queue 982. Compared 482043 event pairs, 4399 based on Foata normal form. 2/51418 useless extension candidates. Maximal degree in co-relation 137413. Up to 31325 conditions per place. [2023-08-25 05:04:41,660 INFO L140 encePairwiseOnDemand]: 1368/1383 looper letters, 620 selfloop transitions, 50 changer transitions 7/724 dead transitions. [2023-08-25 05:04:41,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 724 transitions, 5270 flow [2023-08-25 05:04:41,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-25 05:04:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-25 05:04:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 10674 transitions. [2023-08-25 05:04:41,671 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40621075465235756 [2023-08-25 05:04:41,671 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 10674 transitions. [2023-08-25 05:04:41,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 10674 transitions. [2023-08-25 05:04:41,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:04:41,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 10674 transitions. [2023-08-25 05:04:41,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 561.7894736842105) internal successors, (10674), 19 states have internal predecessors, (10674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:41,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 1383.0) internal successors, (27660), 20 states have internal predecessors, (27660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:41,697 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 1383.0) internal successors, (27660), 20 states have internal predecessors, (27660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:41,697 INFO L175 Difference]: Start difference. First operand has 277 places, 269 transitions, 1801 flow. Second operand 19 states and 10674 transitions. [2023-08-25 05:04:41,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 724 transitions, 5270 flow [2023-08-25 05:04:42,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 724 transitions, 4918 flow, removed 150 selfloop flow, removed 5 redundant places. [2023-08-25 05:04:42,435 INFO L231 Difference]: Finished difference. Result has 301 places, 295 transitions, 2037 flow [2023-08-25 05:04:42,436 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=1546, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2037, PETRI_PLACES=301, PETRI_TRANSITIONS=295} [2023-08-25 05:04:42,436 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 89 predicate places. [2023-08-25 05:04:42,436 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 295 transitions, 2037 flow [2023-08-25 05:04:42,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:42,437 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:04:42,437 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:04:42,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-25 05:04:42,437 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:04:42,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:04:42,438 INFO L85 PathProgramCache]: Analyzing trace with hash 106461942, now seen corresponding path program 5 times [2023-08-25 05:04:42,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:04:42,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838638826] [2023-08-25 05:04:42,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:04:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:04:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:04:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:04:44,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:04:44,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838638826] [2023-08-25 05:04:44,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838638826] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:04:44,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:04:44,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-08-25 05:04:44,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872433383] [2023-08-25 05:04:44,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:04:44,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-25 05:04:44,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:04:44,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-25 05:04:44,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-08-25 05:04:44,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 1383 [2023-08-25 05:04:44,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 295 transitions, 2037 flow. Second operand has 15 states, 15 states have (on average 512.2666666666667) internal successors, (7684), 15 states have internal predecessors, (7684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:44,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:04:44,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 1383 [2023-08-25 05:04:44,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:04:55,754 INFO L124 PetriNetUnfolderBase]: 31389/61937 cut-off events. [2023-08-25 05:04:55,754 INFO L125 PetriNetUnfolderBase]: For 107454/107454 co-relation queries the response was YES. [2023-08-25 05:04:56,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170003 conditions, 61937 events. 31389/61937 cut-off events. For 107454/107454 co-relation queries the response was YES. Maximal size of possible extension queue 1199. Compared 589024 event pairs, 9208 based on Foata normal form. 1/61714 useless extension candidates. Maximal degree in co-relation 169929. Up to 39354 conditions per place. [2023-08-25 05:04:56,697 INFO L140 encePairwiseOnDemand]: 1366/1383 looper letters, 670 selfloop transitions, 57 changer transitions 11/781 dead transitions. [2023-08-25 05:04:56,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 781 transitions, 5678 flow [2023-08-25 05:04:56,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-08-25 05:04:56,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-08-25 05:04:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 10698 transitions. [2023-08-25 05:04:56,707 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38676789587852495 [2023-08-25 05:04:56,707 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 10698 transitions. [2023-08-25 05:04:56,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 10698 transitions. [2023-08-25 05:04:56,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:04:56,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 10698 transitions. [2023-08-25 05:04:56,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 534.9) internal successors, (10698), 20 states have internal predecessors, (10698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:56,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 1383.0) internal successors, (29043), 21 states have internal predecessors, (29043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:56,733 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 1383.0) internal successors, (29043), 21 states have internal predecessors, (29043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:56,733 INFO L175 Difference]: Start difference. First operand has 301 places, 295 transitions, 2037 flow. Second operand 20 states and 10698 transitions. [2023-08-25 05:04:56,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 781 transitions, 5678 flow [2023-08-25 05:04:57,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 781 transitions, 5478 flow, removed 81 selfloop flow, removed 2 redundant places. [2023-08-25 05:04:57,442 INFO L231 Difference]: Finished difference. Result has 331 places, 315 transitions, 2397 flow [2023-08-25 05:04:57,442 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=1878, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2397, PETRI_PLACES=331, PETRI_TRANSITIONS=315} [2023-08-25 05:04:57,442 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 119 predicate places. [2023-08-25 05:04:57,443 INFO L495 AbstractCegarLoop]: Abstraction has has 331 places, 315 transitions, 2397 flow [2023-08-25 05:04:57,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 512.2666666666667) internal successors, (7684), 15 states have internal predecessors, (7684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:57,444 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:04:57,444 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:04:57,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-25 05:04:57,444 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:04:57,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:04:57,444 INFO L85 PathProgramCache]: Analyzing trace with hash -2027543958, now seen corresponding path program 6 times [2023-08-25 05:04:57,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:04:57,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775785366] [2023-08-25 05:04:57,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:04:57,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:04:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:04:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:04:58,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:04:58,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775785366] [2023-08-25 05:04:58,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775785366] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:04:58,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:04:58,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:04:58,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277235120] [2023-08-25 05:04:58,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:04:58,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:04:58,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:04:58,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:04:58,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:04:58,785 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:04:58,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 315 transitions, 2397 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:04:58,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:04:58,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:04:58,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:05:12,077 INFO L124 PetriNetUnfolderBase]: 33898/67270 cut-off events. [2023-08-25 05:05:12,077 INFO L125 PetriNetUnfolderBase]: For 147050/147068 co-relation queries the response was YES. [2023-08-25 05:05:13,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187804 conditions, 67270 events. 33898/67270 cut-off events. For 147050/147068 co-relation queries the response was YES. Maximal size of possible extension queue 1320. Compared 650322 event pairs, 22052 based on Foata normal form. 2/66850 useless extension candidates. Maximal degree in co-relation 187716. Up to 44315 conditions per place. [2023-08-25 05:05:13,441 INFO L140 encePairwiseOnDemand]: 1368/1383 looper letters, 543 selfloop transitions, 55 changer transitions 7/652 dead transitions. [2023-08-25 05:05:13,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 652 transitions, 5216 flow [2023-08-25 05:05:13,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-25 05:05:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-25 05:05:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 10043 transitions. [2023-08-25 05:05:13,451 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.403430545512975 [2023-08-25 05:05:13,451 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 10043 transitions. [2023-08-25 05:05:13,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 10043 transitions. [2023-08-25 05:05:13,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:05:13,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 10043 transitions. [2023-08-25 05:05:13,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 557.9444444444445) internal successors, (10043), 18 states have internal predecessors, (10043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:13,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 1383.0) internal successors, (26277), 19 states have internal predecessors, (26277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:13,478 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 1383.0) internal successors, (26277), 19 states have internal predecessors, (26277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:13,478 INFO L175 Difference]: Start difference. First operand has 331 places, 315 transitions, 2397 flow. Second operand 18 states and 10043 transitions. [2023-08-25 05:05:13,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 652 transitions, 5216 flow [2023-08-25 05:05:14,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 652 transitions, 5012 flow, removed 72 selfloop flow, removed 6 redundant places. [2023-08-25 05:05:14,260 INFO L231 Difference]: Finished difference. Result has 353 places, 336 transitions, 2729 flow [2023-08-25 05:05:14,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=2217, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2729, PETRI_PLACES=353, PETRI_TRANSITIONS=336} [2023-08-25 05:05:14,261 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 141 predicate places. [2023-08-25 05:05:14,261 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 336 transitions, 2729 flow [2023-08-25 05:05:14,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:14,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:05:14,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:05:14,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-25 05:05:14,262 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:05:14,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:05:14,262 INFO L85 PathProgramCache]: Analyzing trace with hash -3070542, now seen corresponding path program 7 times [2023-08-25 05:05:14,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:05:14,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906215492] [2023-08-25 05:05:14,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:05:14,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:05:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:05:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:05:15,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:05:15,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906215492] [2023-08-25 05:05:15,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906215492] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:05:15,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:05:15,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-08-25 05:05:15,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094166110] [2023-08-25 05:05:15,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:05:15,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-25 05:05:15,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:05:15,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-25 05:05:15,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-08-25 05:05:15,853 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 508 out of 1383 [2023-08-25 05:05:15,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 336 transitions, 2729 flow. Second operand has 15 states, 15 states have (on average 512.2666666666667) internal successors, (7684), 15 states have internal predecessors, (7684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:15,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:05:15,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 508 of 1383 [2023-08-25 05:05:15,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:05:31,997 INFO L124 PetriNetUnfolderBase]: 39074/76096 cut-off events. [2023-08-25 05:05:31,997 INFO L125 PetriNetUnfolderBase]: For 200405/200413 co-relation queries the response was YES. [2023-08-25 05:05:33,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219631 conditions, 76096 events. 39074/76096 cut-off events. For 200405/200413 co-relation queries the response was YES. Maximal size of possible extension queue 1482. Compared 736328 event pairs, 25995 based on Foata normal form. 1/75606 useless extension candidates. Maximal degree in co-relation 219532. Up to 53820 conditions per place. [2023-08-25 05:05:34,097 INFO L140 encePairwiseOnDemand]: 1366/1383 looper letters, 593 selfloop transitions, 70 changer transitions 11/717 dead transitions. [2023-08-25 05:05:34,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 717 transitions, 5954 flow [2023-08-25 05:05:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-08-25 05:05:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-08-25 05:05:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 11109 transitions. [2023-08-25 05:05:34,125 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3825018076644975 [2023-08-25 05:05:34,126 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 11109 transitions. [2023-08-25 05:05:34,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 11109 transitions. [2023-08-25 05:05:34,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:05:34,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 11109 transitions. [2023-08-25 05:05:34,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 529.0) internal successors, (11109), 21 states have internal predecessors, (11109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:34,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 1383.0) internal successors, (30426), 22 states have internal predecessors, (30426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:34,188 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 1383.0) internal successors, (30426), 22 states have internal predecessors, (30426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:34,188 INFO L175 Difference]: Start difference. First operand has 353 places, 336 transitions, 2729 flow. Second operand 21 states and 11109 transitions. [2023-08-25 05:05:34,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 717 transitions, 5954 flow [2023-08-25 05:05:35,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 717 transitions, 5774 flow, removed 90 selfloop flow, removed 1 redundant places. [2023-08-25 05:05:35,972 INFO L231 Difference]: Finished difference. Result has 382 places, 365 transitions, 3338 flow [2023-08-25 05:05:35,972 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=2553, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3338, PETRI_PLACES=382, PETRI_TRANSITIONS=365} [2023-08-25 05:05:35,973 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 170 predicate places. [2023-08-25 05:05:35,973 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 365 transitions, 3338 flow [2023-08-25 05:05:35,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 512.2666666666667) internal successors, (7684), 15 states have internal predecessors, (7684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:35,974 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:05:35,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:05:35,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-25 05:05:35,974 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:05:35,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:05:35,975 INFO L85 PathProgramCache]: Analyzing trace with hash -609025996, now seen corresponding path program 8 times [2023-08-25 05:05:35,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:05:35,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133676175] [2023-08-25 05:05:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:05:35,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:05:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:05:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:05:37,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:05:37,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133676175] [2023-08-25 05:05:37,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133676175] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:05:37,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:05:37,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:05:37,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687784077] [2023-08-25 05:05:37,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:05:37,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:05:37,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:05:37,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:05:37,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:05:37,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:05:37,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 365 transitions, 3338 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:37,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:05:37,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:05:37,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:05:56,994 INFO L124 PetriNetUnfolderBase]: 43097/85360 cut-off events. [2023-08-25 05:05:56,994 INFO L125 PetriNetUnfolderBase]: For 265996/266031 co-relation queries the response was YES. [2023-08-25 05:05:58,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250221 conditions, 85360 events. 43097/85360 cut-off events. For 265996/266031 co-relation queries the response was YES. Maximal size of possible extension queue 1672. Compared 850605 event pairs, 28399 based on Foata normal form. 2/84798 useless extension candidates. Maximal degree in co-relation 250111. Up to 59260 conditions per place. [2023-08-25 05:05:59,180 INFO L140 encePairwiseOnDemand]: 1367/1383 looper letters, 633 selfloop transitions, 71 changer transitions 7/758 dead transitions. [2023-08-25 05:05:59,181 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 758 transitions, 7067 flow [2023-08-25 05:05:59,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-25 05:05:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-25 05:05:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 10609 transitions. [2023-08-25 05:05:59,186 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40373710849792593 [2023-08-25 05:05:59,187 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 10609 transitions. [2023-08-25 05:05:59,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 10609 transitions. [2023-08-25 05:05:59,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:05:59,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 10609 transitions. [2023-08-25 05:05:59,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 558.3684210526316) internal successors, (10609), 19 states have internal predecessors, (10609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:59,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 1383.0) internal successors, (27660), 20 states have internal predecessors, (27660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:59,212 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 1383.0) internal successors, (27660), 20 states have internal predecessors, (27660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:05:59,212 INFO L175 Difference]: Start difference. First operand has 382 places, 365 transitions, 3338 flow. Second operand 19 states and 10609 transitions. [2023-08-25 05:05:59,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 758 transitions, 7067 flow [2023-08-25 05:06:00,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 758 transitions, 6638 flow, removed 213 selfloop flow, removed 3 redundant places. [2023-08-25 05:06:00,724 INFO L231 Difference]: Finished difference. Result has 409 places, 415 transitions, 4131 flow [2023-08-25 05:06:00,725 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=2971, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4131, PETRI_PLACES=409, PETRI_TRANSITIONS=415} [2023-08-25 05:06:00,725 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 197 predicate places. [2023-08-25 05:06:00,725 INFO L495 AbstractCegarLoop]: Abstraction has has 409 places, 415 transitions, 4131 flow [2023-08-25 05:06:00,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:06:00,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:06:00,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:06:00,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-25 05:06:00,727 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:06:00,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:06:00,727 INFO L85 PathProgramCache]: Analyzing trace with hash -700847886, now seen corresponding path program 9 times [2023-08-25 05:06:00,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:06:00,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126718311] [2023-08-25 05:06:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:06:00,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:06:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:06:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:06:02,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:06:02,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126718311] [2023-08-25 05:06:02,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126718311] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:06:02,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:06:02,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:06:02,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503395314] [2023-08-25 05:06:02,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:06:02,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:06:02,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:06:02,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:06:02,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:06:02,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:06:02,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 415 transitions, 4131 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:06:02,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:06:02,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:06:02,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:06:26,572 INFO L124 PetriNetUnfolderBase]: 53405/105903 cut-off events. [2023-08-25 05:06:26,572 INFO L125 PetriNetUnfolderBase]: For 366944/366980 co-relation queries the response was YES. [2023-08-25 05:06:29,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313269 conditions, 105903 events. 53405/105903 cut-off events. For 366944/366980 co-relation queries the response was YES. Maximal size of possible extension queue 2145. Compared 1093742 event pairs, 33740 based on Foata normal form. 2/105263 useless extension candidates. Maximal degree in co-relation 313147. Up to 66099 conditions per place. [2023-08-25 05:06:29,734 INFO L140 encePairwiseOnDemand]: 1367/1383 looper letters, 737 selfloop transitions, 77 changer transitions 7/868 dead transitions. [2023-08-25 05:06:29,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 868 transitions, 8494 flow [2023-08-25 05:06:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-08-25 05:06:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-08-25 05:06:29,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 10659 transitions. [2023-08-25 05:06:29,741 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40563991323210413 [2023-08-25 05:06:29,741 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 10659 transitions. [2023-08-25 05:06:29,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 10659 transitions. [2023-08-25 05:06:29,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:06:29,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 10659 transitions. [2023-08-25 05:06:29,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 561.0) internal successors, (10659), 19 states have internal predecessors, (10659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:06:29,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 1383.0) internal successors, (27660), 20 states have internal predecessors, (27660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:06:29,759 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 1383.0) internal successors, (27660), 20 states have internal predecessors, (27660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:06:29,759 INFO L175 Difference]: Start difference. First operand has 409 places, 415 transitions, 4131 flow. Second operand 19 states and 10659 transitions. [2023-08-25 05:06:29,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 868 transitions, 8494 flow [2023-08-25 05:06:32,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 868 transitions, 8152 flow, removed 171 selfloop flow, removed 1 redundant places. [2023-08-25 05:06:32,935 INFO L231 Difference]: Finished difference. Result has 438 places, 452 transitions, 4869 flow [2023-08-25 05:06:32,935 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=3829, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4869, PETRI_PLACES=438, PETRI_TRANSITIONS=452} [2023-08-25 05:06:32,936 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 226 predicate places. [2023-08-25 05:06:32,936 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 452 transitions, 4869 flow [2023-08-25 05:06:32,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:06:32,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:06:32,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:06:32,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-25 05:06:32,938 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:06:32,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:06:32,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1119075158, now seen corresponding path program 10 times [2023-08-25 05:06:32,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:06:32,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763690178] [2023-08-25 05:06:32,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:06:32,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:06:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:06:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:06:34,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:06:34,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763690178] [2023-08-25 05:06:34,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763690178] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:06:34,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:06:34,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:06:34,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499694537] [2023-08-25 05:06:34,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:06:34,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:06:34,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:06:34,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:06:34,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:06:34,079 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:06:34,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 452 transitions, 4869 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:06:34,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:06:34,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:06:34,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:07:05,702 INFO L124 PetriNetUnfolderBase]: 62750/123922 cut-off events. [2023-08-25 05:07:05,702 INFO L125 PetriNetUnfolderBase]: For 497251/497301 co-relation queries the response was YES. [2023-08-25 05:07:09,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370794 conditions, 123922 events. 62750/123922 cut-off events. For 497251/497301 co-relation queries the response was YES. Maximal size of possible extension queue 2580. Compared 1308150 event pairs, 40194 based on Foata normal form. 8/123126 useless extension candidates. Maximal degree in co-relation 370659. Up to 75937 conditions per place. [2023-08-25 05:07:10,296 INFO L140 encePairwiseOnDemand]: 1367/1383 looper letters, 801 selfloop transitions, 82 changer transitions 7/937 dead transitions. [2023-08-25 05:07:10,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 937 transitions, 9395 flow [2023-08-25 05:07:10,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-08-25 05:07:10,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-08-25 05:07:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 11780 transitions. [2023-08-25 05:07:10,302 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4056054815273904 [2023-08-25 05:07:10,302 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 11780 transitions. [2023-08-25 05:07:10,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 11780 transitions. [2023-08-25 05:07:10,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:07:10,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 11780 transitions. [2023-08-25 05:07:10,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 560.952380952381) internal successors, (11780), 21 states have internal predecessors, (11780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:07:10,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 1383.0) internal successors, (30426), 22 states have internal predecessors, (30426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:07:10,321 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 1383.0) internal successors, (30426), 22 states have internal predecessors, (30426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:07:10,321 INFO L175 Difference]: Start difference. First operand has 438 places, 452 transitions, 4869 flow. Second operand 21 states and 11780 transitions. [2023-08-25 05:07:10,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 937 transitions, 9395 flow [2023-08-25 05:07:14,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 937 transitions, 8986 flow, removed 186 selfloop flow, removed 2 redundant places. [2023-08-25 05:07:14,410 INFO L231 Difference]: Finished difference. Result has 468 places, 483 transitions, 5407 flow [2023-08-25 05:07:14,410 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=4466, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5407, PETRI_PLACES=468, PETRI_TRANSITIONS=483} [2023-08-25 05:07:14,410 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 256 predicate places. [2023-08-25 05:07:14,410 INFO L495 AbstractCegarLoop]: Abstraction has has 468 places, 483 transitions, 5407 flow [2023-08-25 05:07:14,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:07:14,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:07:14,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:07:14,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-25 05:07:14,412 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:07:14,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:07:14,412 INFO L85 PathProgramCache]: Analyzing trace with hash -4472864, now seen corresponding path program 11 times [2023-08-25 05:07:14,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:07:14,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48553500] [2023-08-25 05:07:14,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:07:14,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:07:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:07:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:07:15,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:07:15,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48553500] [2023-08-25 05:07:15,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48553500] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:07:15,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:07:15,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:07:15,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583601776] [2023-08-25 05:07:15,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:07:15,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:07:15,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:07:15,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:07:15,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:07:15,394 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:07:15,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 483 transitions, 5407 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:07:15,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:07:15,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:07:15,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:07:49,836 INFO L124 PetriNetUnfolderBase]: 65591/129656 cut-off events. [2023-08-25 05:07:49,837 INFO L125 PetriNetUnfolderBase]: For 574929/574971 co-relation queries the response was YES. [2023-08-25 05:07:54,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 391707 conditions, 129656 events. 65591/129656 cut-off events. For 574929/574971 co-relation queries the response was YES. Maximal size of possible extension queue 2731. Compared 1379353 event pairs, 42731 based on Foata normal form. 2/128796 useless extension candidates. Maximal degree in co-relation 391559. Up to 81638 conditions per place. [2023-08-25 05:07:54,707 INFO L140 encePairwiseOnDemand]: 1367/1383 looper letters, 829 selfloop transitions, 74 changer transitions 7/957 dead transitions. [2023-08-25 05:07:54,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 957 transitions, 9933 flow [2023-08-25 05:07:54,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-08-25 05:07:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-08-25 05:07:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 11775 transitions. [2023-08-25 05:07:54,713 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4054333230038219 [2023-08-25 05:07:54,713 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 11775 transitions. [2023-08-25 05:07:54,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 11775 transitions. [2023-08-25 05:07:54,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:07:54,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 11775 transitions. [2023-08-25 05:07:54,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 560.7142857142857) internal successors, (11775), 21 states have internal predecessors, (11775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:07:54,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 1383.0) internal successors, (30426), 22 states have internal predecessors, (30426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:07:54,734 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 1383.0) internal successors, (30426), 22 states have internal predecessors, (30426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:07:54,734 INFO L175 Difference]: Start difference. First operand has 468 places, 483 transitions, 5407 flow. Second operand 21 states and 11775 transitions. [2023-08-25 05:07:54,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 957 transitions, 9933 flow [2023-08-25 05:07:59,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 957 transitions, 9568 flow, removed 179 selfloop flow, removed 2 redundant places. [2023-08-25 05:07:59,588 INFO L231 Difference]: Finished difference. Result has 496 places, 507 transitions, 5898 flow [2023-08-25 05:07:59,589 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=5048, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=5898, PETRI_PLACES=496, PETRI_TRANSITIONS=507} [2023-08-25 05:07:59,589 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 284 predicate places. [2023-08-25 05:07:59,589 INFO L495 AbstractCegarLoop]: Abstraction has has 496 places, 507 transitions, 5898 flow [2023-08-25 05:07:59,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:07:59,590 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:07:59,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:07:59,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-25 05:07:59,591 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:07:59,591 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:07:59,591 INFO L85 PathProgramCache]: Analyzing trace with hash 66730354, now seen corresponding path program 12 times [2023-08-25 05:07:59,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:07:59,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524176074] [2023-08-25 05:07:59,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:07:59,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:07:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:08:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:08:00,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:08:00,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524176074] [2023-08-25 05:08:00,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524176074] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:08:00,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:08:00,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:08:00,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851411276] [2023-08-25 05:08:00,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:08:00,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:08:00,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:08:00,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:08:00,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:08:00,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:08:00,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 507 transitions, 5898 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:08:00,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:08:00,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:08:00,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:08:41,906 INFO L124 PetriNetUnfolderBase]: 68534/135718 cut-off events. [2023-08-25 05:08:41,907 INFO L125 PetriNetUnfolderBase]: For 653146/653242 co-relation queries the response was YES. [2023-08-25 05:08:49,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412321 conditions, 135718 events. 68534/135718 cut-off events. For 653146/653242 co-relation queries the response was YES. Maximal size of possible extension queue 2910. Compared 1457634 event pairs, 49158 based on Foata normal form. 6/134740 useless extension candidates. Maximal degree in co-relation 412162. Up to 102401 conditions per place. [2023-08-25 05:08:49,719 INFO L140 encePairwiseOnDemand]: 1367/1383 looper letters, 729 selfloop transitions, 74 changer transitions 7/857 dead transitions. [2023-08-25 05:08:49,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 857 transitions, 9304 flow [2023-08-25 05:08:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-08-25 05:08:49,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-08-25 05:08:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 9523 transitions. [2023-08-25 05:08:49,726 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4050444472799966 [2023-08-25 05:08:49,726 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 9523 transitions. [2023-08-25 05:08:49,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 9523 transitions. [2023-08-25 05:08:49,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:08:49,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 9523 transitions. [2023-08-25 05:08:49,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 560.1764705882352) internal successors, (9523), 17 states have internal predecessors, (9523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:08:49,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 1383.0) internal successors, (24894), 18 states have internal predecessors, (24894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:08:49,749 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 1383.0) internal successors, (24894), 18 states have internal predecessors, (24894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:08:49,749 INFO L175 Difference]: Start difference. First operand has 496 places, 507 transitions, 5898 flow. Second operand 17 states and 9523 transitions. [2023-08-25 05:08:49,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 857 transitions, 9304 flow [2023-08-25 05:08:57,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 857 transitions, 8840 flow, removed 203 selfloop flow, removed 7 redundant places. [2023-08-25 05:08:57,414 INFO L231 Difference]: Finished difference. Result has 513 places, 525 transitions, 6009 flow [2023-08-25 05:08:57,415 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=5438, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=6009, PETRI_PLACES=513, PETRI_TRANSITIONS=525} [2023-08-25 05:08:57,415 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 301 predicate places. [2023-08-25 05:08:57,415 INFO L495 AbstractCegarLoop]: Abstraction has has 513 places, 525 transitions, 6009 flow [2023-08-25 05:08:57,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:08:57,417 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:08:57,417 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:08:57,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-25 05:08:57,417 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:08:57,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:08:57,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1851393590, now seen corresponding path program 13 times [2023-08-25 05:08:57,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:08:57,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792161911] [2023-08-25 05:08:57,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:08:57,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:08:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:08:58,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:08:58,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:08:58,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792161911] [2023-08-25 05:08:58,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792161911] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:08:58,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:08:58,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:08:58,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277847420] [2023-08-25 05:08:58,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:08:58,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:08:58,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:08:58,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:08:58,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:08:58,402 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:08:58,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 525 transitions, 6009 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:08:58,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:08:58,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:08:58,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:09:45,225 INFO L124 PetriNetUnfolderBase]: 73448/145264 cut-off events. [2023-08-25 05:09:45,225 INFO L125 PetriNetUnfolderBase]: For 720321/720387 co-relation queries the response was YES. [2023-08-25 05:09:52,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440897 conditions, 145264 events. 73448/145264 cut-off events. For 720321/720387 co-relation queries the response was YES. Maximal size of possible extension queue 3152. Compared 1575916 event pairs, 51458 based on Foata normal form. 8/144240 useless extension candidates. Maximal degree in co-relation 440729. Up to 102505 conditions per place. [2023-08-25 05:09:52,583 INFO L140 encePairwiseOnDemand]: 1367/1383 looper letters, 878 selfloop transitions, 81 changer transitions 7/1013 dead transitions. [2023-08-25 05:09:52,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 1013 transitions, 10510 flow [2023-08-25 05:09:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-08-25 05:09:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-08-25 05:09:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 12322 transitions. [2023-08-25 05:09:52,589 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4049825806875698 [2023-08-25 05:09:52,589 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 12322 transitions. [2023-08-25 05:09:52,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 12322 transitions. [2023-08-25 05:09:52,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:09:52,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 12322 transitions. [2023-08-25 05:09:52,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 560.0909090909091) internal successors, (12322), 22 states have internal predecessors, (12322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:09:52,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 1383.0) internal successors, (31809), 23 states have internal predecessors, (31809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:09:52,609 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 1383.0) internal successors, (31809), 23 states have internal predecessors, (31809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:09:52,609 INFO L175 Difference]: Start difference. First operand has 513 places, 525 transitions, 6009 flow. Second operand 22 states and 12322 transitions. [2023-08-25 05:09:52,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 1013 transitions, 10510 flow [2023-08-25 05:10:00,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 1013 transitions, 10233 flow, removed 77 selfloop flow, removed 7 redundant places. [2023-08-25 05:10:00,097 INFO L231 Difference]: Finished difference. Result has 539 places, 559 transitions, 6665 flow [2023-08-25 05:10:00,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=5746, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=6665, PETRI_PLACES=539, PETRI_TRANSITIONS=559} [2023-08-25 05:10:00,098 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 327 predicate places. [2023-08-25 05:10:00,098 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 559 transitions, 6665 flow [2023-08-25 05:10:00,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:10:00,099 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:10:00,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:10:00,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-25 05:10:00,099 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:10:00,099 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:10:00,099 INFO L85 PathProgramCache]: Analyzing trace with hash -432409506, now seen corresponding path program 14 times [2023-08-25 05:10:00,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:10:00,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991539487] [2023-08-25 05:10:00,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:10:00,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:10:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:10:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:10:00,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:10:00,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991539487] [2023-08-25 05:10:00,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991539487] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:10:00,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:10:00,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:10:00,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690204719] [2023-08-25 05:10:00,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:10:00,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:10:00,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:10:00,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:10:00,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:10:00,978 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:10:00,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 559 transitions, 6665 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:10:00,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:10:00,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:10:00,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:10:51,248 INFO L124 PetriNetUnfolderBase]: 75512/149358 cut-off events. [2023-08-25 05:10:51,249 INFO L125 PetriNetUnfolderBase]: For 806558/806686 co-relation queries the response was YES. [2023-08-25 05:10:57,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456118 conditions, 149358 events. 75512/149358 cut-off events. For 806558/806686 co-relation queries the response was YES. Maximal size of possible extension queue 3263. Compared 1630619 event pairs, 45628 based on Foata normal form. 21/148424 useless extension candidates. Maximal degree in co-relation 455938. Up to 88707 conditions per place. [2023-08-25 05:10:58,716 INFO L140 encePairwiseOnDemand]: 1367/1383 looper letters, 936 selfloop transitions, 111 changer transitions 7/1101 dead transitions. [2023-08-25 05:10:58,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 1101 transitions, 11581 flow [2023-08-25 05:10:58,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-25 05:10:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-25 05:10:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 13998 transitions. [2023-08-25 05:10:58,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4048590021691974 [2023-08-25 05:10:58,725 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 13998 transitions. [2023-08-25 05:10:58,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 13998 transitions. [2023-08-25 05:10:58,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:10:58,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 13998 transitions. [2023-08-25 05:10:58,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 559.92) internal successors, (13998), 25 states have internal predecessors, (13998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:10:58,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 1383.0) internal successors, (35958), 26 states have internal predecessors, (35958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:10:58,750 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 1383.0) internal successors, (35958), 26 states have internal predecessors, (35958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:10:58,750 INFO L175 Difference]: Start difference. First operand has 539 places, 559 transitions, 6665 flow. Second operand 25 states and 13998 transitions. [2023-08-25 05:10:58,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 1101 transitions, 11581 flow [2023-08-25 05:11:08,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 1101 transitions, 11254 flow, removed 143 selfloop flow, removed 4 redundant places. [2023-08-25 05:11:08,788 INFO L231 Difference]: Finished difference. Result has 570 places, 584 transitions, 7254 flow [2023-08-25 05:11:08,789 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=6344, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=7254, PETRI_PLACES=570, PETRI_TRANSITIONS=584} [2023-08-25 05:11:08,789 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 358 predicate places. [2023-08-25 05:11:08,789 INFO L495 AbstractCegarLoop]: Abstraction has has 570 places, 584 transitions, 7254 flow [2023-08-25 05:11:08,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:11:08,790 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:11:08,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:11:08,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-25 05:11:08,790 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:11:08,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:11:08,790 INFO L85 PathProgramCache]: Analyzing trace with hash -708920432, now seen corresponding path program 15 times [2023-08-25 05:11:08,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:11:08,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585989506] [2023-08-25 05:11:08,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:11:08,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:11:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:11:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:11:09,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:11:09,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585989506] [2023-08-25 05:11:09,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585989506] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:11:09,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:11:09,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:11:09,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717806519] [2023-08-25 05:11:09,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:11:09,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:11:09,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:11:09,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:11:09,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:11:09,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:11:09,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 570 places, 584 transitions, 7254 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:11:09,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:11:09,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:11:09,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:12:02,320 INFO L124 PetriNetUnfolderBase]: 78322/154990 cut-off events. [2023-08-25 05:12:02,320 INFO L125 PetriNetUnfolderBase]: For 936731/936859 co-relation queries the response was YES. [2023-08-25 05:12:09,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478807 conditions, 154990 events. 78322/154990 cut-off events. For 936731/936859 co-relation queries the response was YES. Maximal size of possible extension queue 3436. Compared 1701294 event pairs, 58467 based on Foata normal form. 3/153825 useless extension candidates. Maximal degree in co-relation 478615. Up to 119794 conditions per place. [2023-08-25 05:12:10,674 INFO L140 encePairwiseOnDemand]: 1367/1383 looper letters, 784 selfloop transitions, 76 changer transitions 7/914 dead transitions. [2023-08-25 05:12:10,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 914 transitions, 10920 flow [2023-08-25 05:12:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-25 05:12:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-25 05:12:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 10045 transitions. [2023-08-25 05:12:10,679 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40351088615730696 [2023-08-25 05:12:10,680 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 10045 transitions. [2023-08-25 05:12:10,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 10045 transitions. [2023-08-25 05:12:10,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 05:12:10,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 10045 transitions. [2023-08-25 05:12:10,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 558.0555555555555) internal successors, (10045), 18 states have internal predecessors, (10045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:12:10,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 1383.0) internal successors, (26277), 19 states have internal predecessors, (26277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:12:10,696 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 1383.0) internal successors, (26277), 19 states have internal predecessors, (26277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:12:10,697 INFO L175 Difference]: Start difference. First operand has 570 places, 584 transitions, 7254 flow. Second operand 18 states and 10045 transitions. [2023-08-25 05:12:10,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 914 transitions, 10920 flow [2023-08-25 05:12:23,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 578 places, 914 transitions, 10551 flow, removed 141 selfloop flow, removed 8 redundant places. [2023-08-25 05:12:23,068 INFO L231 Difference]: Finished difference. Result has 587 places, 602 transitions, 7638 flow [2023-08-25 05:12:23,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1383, PETRI_DIFFERENCE_MINUEND_FLOW=6895, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=7638, PETRI_PLACES=587, PETRI_TRANSITIONS=602} [2023-08-25 05:12:23,068 INFO L281 CegarLoopForPetriNet]: 212 programPoint places, 375 predicate places. [2023-08-25 05:12:23,069 INFO L495 AbstractCegarLoop]: Abstraction has has 587 places, 602 transitions, 7638 flow [2023-08-25 05:12:23,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:12:23,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 05:12:23,070 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:12:23,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-08-25 05:12:23,070 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 129 more)] === [2023-08-25 05:12:23,070 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 05:12:23,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1906312438, now seen corresponding path program 16 times [2023-08-25 05:12:23,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 05:12:23,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717436252] [2023-08-25 05:12:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 05:12:23,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 05:12:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 05:12:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-25 05:12:23,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 05:12:23,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717436252] [2023-08-25 05:12:23,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717436252] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 05:12:23,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 05:12:23,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-25 05:12:23,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514286261] [2023-08-25 05:12:23,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 05:12:23,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-25 05:12:23,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 05:12:23,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-25 05:12:23,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-08-25 05:12:23,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 536 out of 1383 [2023-08-25 05:12:23,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 587 places, 602 transitions, 7638 flow. Second operand has 12 states, 12 states have (on average 541.0) internal successors, (6492), 12 states have internal predecessors, (6492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 05:12:23,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 05:12:23,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 536 of 1383 [2023-08-25 05:12:23,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 05:13:21,120 INFO L124 PetriNetUnfolderBase]: 83811/165779 cut-off events. [2023-08-25 05:13:21,120 INFO L125 PetriNetUnfolderBase]: For 1039978/1040128 co-relation queries the response was YES. Received shutdown request... [2023-08-25 05:13:27,889 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 05:13:28,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-08-25 05:13:29,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512392 conditions, 165779 events. 83811/165779 cut-off events. For 1039978/1040128 co-relation queries the response was YES. Maximal size of possible extension queue 3698. Compared 1838181 event pairs, 51110 based on Foata normal form. 21/164728 useless extension candidates. Maximal degree in co-relation 512191. Up to 93279 conditions per place. [2023-08-25 05:13:30,081 INFO L140 encePairwiseOnDemand]: 1367/1383 looper letters, 1022 selfloop transitions, 121 changer transitions 7/1197 dead transitions. [2023-08-25 05:13:30,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 1197 transitions, 12947 flow [2023-08-25 05:13:30,083 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr30ASSERT_VIOLATIONASSERT (132 of 133 remaining) [2023-08-25 05:13:30,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-08-25 05:13:30,083 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-08-25 05:13:30,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (131 of 133 remaining) [2023-08-25 05:13:30,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (130 of 133 remaining) [2023-08-25 05:13:30,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (129 of 133 remaining) [2023-08-25 05:13:30,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (128 of 133 remaining) [2023-08-25 05:13:30,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (127 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (126 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (125 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (124 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONDATA_RACE (123 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONDATA_RACE (122 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONDATA_RACE (121 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONDATA_RACE (120 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err14ASSERT_VIOLATIONDATA_RACE (119 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err18ASSERT_VIOLATIONDATA_RACE (118 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err15ASSERT_VIOLATIONDATA_RACE (116 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err19ASSERT_VIOLATIONDATA_RACE (115 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONDATA_RACE (114 of 133 remaining) [2023-08-25 05:13:30,085 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err17ASSERT_VIOLATIONDATA_RACE (112 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err20ASSERT_VIOLATIONDATA_RACE (111 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err24ASSERT_VIOLATIONDATA_RACE (110 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err21ASSERT_VIOLATIONDATA_RACE (109 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err22ASSERT_VIOLATIONDATA_RACE (108 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err23ASSERT_VIOLATIONDATA_RACE (107 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (106 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (105 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (104 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (103 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (102 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (101 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (100 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (99 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONDATA_RACE (98 of 133 remaining) [2023-08-25 05:13:30,086 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONDATA_RACE (97 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONDATA_RACE (96 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONDATA_RACE (95 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err14ASSERT_VIOLATIONDATA_RACE (94 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err18ASSERT_VIOLATIONDATA_RACE (93 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err15ASSERT_VIOLATIONDATA_RACE (91 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err19ASSERT_VIOLATIONDATA_RACE (90 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONDATA_RACE (89 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err20ASSERT_VIOLATIONDATA_RACE (86 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err24ASSERT_VIOLATIONDATA_RACE (85 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err21ASSERT_VIOLATIONDATA_RACE (84 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err22ASSERT_VIOLATIONDATA_RACE (83 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err23ASSERT_VIOLATIONDATA_RACE (82 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (81 of 133 remaining) [2023-08-25 05:13:30,087 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (80 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (79 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (78 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (77 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (76 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (75 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (74 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (73 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (72 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (71 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (70 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (69 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (68 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (67 of 133 remaining) [2023-08-25 05:13:30,088 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (66 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (65 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (64 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (63 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (62 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (61 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (60 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (59 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (58 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (57 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (56 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (55 of 133 remaining) [2023-08-25 05:13:30,089 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (54 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (53 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (52 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONDATA_RACE (44 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONDATA_RACE (43 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONDATA_RACE (42 of 133 remaining) [2023-08-25 05:13:30,090 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONDATA_RACE (41 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONDATA_RACE (40 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONDATA_RACE (39 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONDATA_RACE (38 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err14ASSERT_VIOLATIONDATA_RACE (37 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err18ASSERT_VIOLATIONDATA_RACE (36 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err15ASSERT_VIOLATIONDATA_RACE (34 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err19ASSERT_VIOLATIONDATA_RACE (33 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONDATA_RACE (32 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 133 remaining) [2023-08-25 05:13:30,091 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err17ASSERT_VIOLATIONDATA_RACE (30 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err20ASSERT_VIOLATIONDATA_RACE (29 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err24ASSERT_VIOLATIONDATA_RACE (28 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err21ASSERT_VIOLATIONDATA_RACE (27 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err22ASSERT_VIOLATIONDATA_RACE (26 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err23ASSERT_VIOLATIONDATA_RACE (25 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 133 remaining) [2023-08-25 05:13:30,092 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err14ASSERT_VIOLATIONDATA_RACE (12 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err18ASSERT_VIOLATIONDATA_RACE (11 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONDATA_RACE (10 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err19ASSERT_VIOLATIONDATA_RACE (8 of 133 remaining) [2023-08-25 05:13:30,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONDATA_RACE (7 of 133 remaining) [2023-08-25 05:13:30,094 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err16ASSERT_VIOLATIONDATA_RACE (6 of 133 remaining) [2023-08-25 05:13:30,094 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err17ASSERT_VIOLATIONDATA_RACE (5 of 133 remaining) [2023-08-25 05:13:30,094 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 133 remaining) [2023-08-25 05:13:30,094 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err24ASSERT_VIOLATIONDATA_RACE (3 of 133 remaining) [2023-08-25 05:13:30,094 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err21ASSERT_VIOLATIONDATA_RACE (2 of 133 remaining) [2023-08-25 05:13:30,094 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err22ASSERT_VIOLATIONDATA_RACE (1 of 133 remaining) [2023-08-25 05:13:30,094 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err23ASSERT_VIOLATIONDATA_RACE (0 of 133 remaining) [2023-08-25 05:13:30,094 INFO L445 BasicCegarLoop]: Path program histogram: [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 05:13:30,100 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 05:13:30,100 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 05:13:30,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 05:13:30 BasicIcfg [2023-08-25 05:13:30,103 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 05:13:30,103 INFO L158 Benchmark]: Toolchain (without parser) took 612383.18ms. Allocated memory was 398.5MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 374.7MB in the beginning and 9.4GB in the end (delta: -9.1GB). Peak memory consumption was 6.9GB. Max. memory is 16.0GB. [2023-08-25 05:13:30,103 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 398.5MB. Free memory is still 375.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 05:13:30,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.02ms. Allocated memory is still 398.5MB. Free memory was 374.7MB in the beginning and 361.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-25 05:13:30,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.02ms. Allocated memory is still 398.5MB. Free memory was 361.2MB in the beginning and 356.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 05:13:30,104 INFO L158 Benchmark]: Boogie Preprocessor took 46.61ms. Allocated memory is still 398.5MB. Free memory was 356.5MB in the beginning and 352.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 05:13:30,104 INFO L158 Benchmark]: RCFGBuilder took 1031.93ms. Allocated memory is still 398.5MB. Free memory was 352.8MB in the beginning and 354.4MB in the end (delta: -1.6MB). Peak memory consumption was 34.8MB. Max. memory is 16.0GB. [2023-08-25 05:13:30,104 INFO L158 Benchmark]: TraceAbstraction took 610946.91ms. Allocated memory was 398.5MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 354.1MB in the beginning and 9.4GB in the end (delta: -9.1GB). Peak memory consumption was 6.9GB. Max. memory is 16.0GB. [2023-08-25 05:13:30,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 398.5MB. Free memory is still 375.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 290.02ms. Allocated memory is still 398.5MB. Free memory was 374.7MB in the beginning and 361.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 61.02ms. Allocated memory is still 398.5MB. Free memory was 361.2MB in the beginning and 356.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 46.61ms. Allocated memory is still 398.5MB. Free memory was 356.5MB in the beginning and 352.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 1031.93ms. Allocated memory is still 398.5MB. Free memory was 352.8MB in the beginning and 354.4MB in the end (delta: -1.6MB). Peak memory consumption was 34.8MB. Max. memory is 16.0GB. * TraceAbstraction took 610946.91ms. Allocated memory was 398.5MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 354.1MB in the beginning and 9.4GB in the end (delta: -9.1GB). Peak memory consumption was 6.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.8s, 656 PlacesBefore, 212 PlacesAfterwards, 682 TransitionsBefore, 214 TransitionsAfterwards, 52268 CoEnabledTransitionPairs, 10 FixpointIterations, 410 TrivialSequentialCompositions, 169 ConcurrentSequentialCompositions, 60 TrivialYvCompositions, 27 ConcurrentYvCompositions, 24 ChoiceCompositions, 690 TotalNumberOfCompositions, 365947 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 73157, independent: 69918, independent conditional: 0, independent unconditional: 69918, dependent: 3239, dependent conditional: 0, dependent unconditional: 3239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 23869, independent: 23619, independent conditional: 0, independent unconditional: 23619, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 73157, independent: 46299, independent conditional: 0, independent unconditional: 46299, dependent: 2989, dependent conditional: 0, dependent unconditional: 2989, unknown: 23869, unknown conditional: 0, unknown unconditional: 23869] , Statistics on independence cache: Total cache size (in pairs): 2864, Positive cache size: 2683, Positive conditional cache size: 0, Positive unconditional cache size: 2683, Negative cache size: 181, Negative conditional cache size: 0, Negative unconditional cache size: 181, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing Executor. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while executing Executor. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 947 locations, 133 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: 610.8s, OverallIterations: 37, TraceHistogramMax: 1, PathProgramHistogramMax: 16, EmptinessCheckTime: 0.0s, AutomataDifference: 571.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7866 SdHoareTripleChecker+Valid, 27.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7866 mSDsluCounter, 6866 SdHoareTripleChecker+Invalid, 22.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5766 mSDsCounter, 643 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52684 IncrementalHoareTripleChecker+Invalid, 53327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 643 mSolverCounterUnsat, 1100 mSDtfsCounter, 52684 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 454 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1950 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7638occurred in iteration=36, InterpolantAutomatonStates: 384, 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: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 21.7s InterpolantComputationTime, 2033 NumberOfCodeBlocks, 2033 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1995 ConstructedInterpolants, 0 QuantifiedInterpolants, 22872 SizeOfPredicates, 2 NumberOfNonLiveVariables, 298 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 38 InterpolantComputations, 37 PerfectInterpolantSequences, 117/118 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown