./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:23:18,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:23:18,645 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:23:18,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:23:18,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:23:18,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:23:18,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:23:18,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:23:18,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:23:18,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:23:18,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:23:18,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:23:18,678 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:23:18,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:23:18,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:23:18,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:23:18,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:23:18,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:23:18,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:23:18,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:23:18,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:23:18,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:23:18,682 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:23:18,682 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:23:18,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:23:18,682 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:23:18,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:23:18,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:23:18,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:23:18,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:23:18,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:23:18,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:23:18,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:23:18,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:23:18,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:23:18,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:23:18,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:23:18,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:23:18,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:23:18,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:23:18,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:23:18,685 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc [2024-10-24 15:23:18,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:23:18,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:23:18,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:23:18,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:23:18,933 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:23:18,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-10-24 15:23:20,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:23:20,700 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:23:20,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-10-24 15:23:20,722 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449e7928b/14c974ac568c425caec96e9d0897105d/FLAG418972de9 [2024-10-24 15:23:20,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449e7928b/14c974ac568c425caec96e9d0897105d [2024-10-24 15:23:21,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:23:21,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:23:21,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:23:21,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:23:21,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:23:21,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:23:20" (1/1) ... [2024-10-24 15:23:21,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621c9138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21, skipping insertion in model container [2024-10-24 15:23:21,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:23:20" (1/1) ... [2024-10-24 15:23:21,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:23:21,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:23:21,560 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:23:21,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:23:21,756 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:23:21,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21 WrapperNode [2024-10-24 15:23:21,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:23:21,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:23:21,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:23:21,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:23:21,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,836 INFO L138 Inliner]: procedures = 368, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2024-10-24 15:23:21,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:23:21,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:23:21,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:23:21,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:23:21,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:23:21,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:23:21,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:23:21,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:23:21,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (1/1) ... [2024-10-24 15:23:21,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:23:21,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:23:21,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:23:21,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:23:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-24 15:23:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:23:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:23:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:23:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:23:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 15:23:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:23:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-24 15:23:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-24 15:23:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-24 15:23:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:23:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:23:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:23:21,971 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:23:22,093 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:23:22,095 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:23:22,384 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:23:22,384 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:23:22,408 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:23:22,408 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:23:22,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:23:22 BoogieIcfgContainer [2024-10-24 15:23:22,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:23:22,410 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:23:22,410 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:23:22,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:23:22,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:23:20" (1/3) ... [2024-10-24 15:23:22,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86de705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:23:22, skipping insertion in model container [2024-10-24 15:23:22,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:23:21" (2/3) ... [2024-10-24 15:23:22,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86de705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:23:22, skipping insertion in model container [2024-10-24 15:23:22,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:23:22" (3/3) ... [2024-10-24 15:23:22,415 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2024-10-24 15:23:22,431 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:23:22,431 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-24 15:23:22,431 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:23:22,514 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:23:22,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 199 transitions, 402 flow [2024-10-24 15:23:22,632 INFO L124 PetriNetUnfolderBase]: 0/198 cut-off events. [2024-10-24 15:23:22,632 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:23:22,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 198 events. 0/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-24 15:23:22,637 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 199 transitions, 402 flow [2024-10-24 15:23:22,643 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 198 transitions, 399 flow [2024-10-24 15:23:22,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:23:22,659 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@168dc922, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:23:22,660 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-10-24 15:23:22,668 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:23:22,669 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2024-10-24 15:23:22,669 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:23:22,669 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:22,670 INFO L204 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] [2024-10-24 15:23:22,671 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:22,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:22,675 INFO L85 PathProgramCache]: Analyzing trace with hash 591670127, now seen corresponding path program 1 times [2024-10-24 15:23:22,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:22,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62853919] [2024-10-24 15:23:22,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:22,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:23,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:23,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:23,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62853919] [2024-10-24 15:23:23,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62853919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:23,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:23,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:23:23,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984675636] [2024-10-24 15:23:23,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:23,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:23:23,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:23,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:23:23,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:23:23,816 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-10-24 15:23:23,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:23,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:23,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-10-24 15:23:23,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:24,047 INFO L124 PetriNetUnfolderBase]: 220/1022 cut-off events. [2024-10-24 15:23:24,048 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:23:24,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 1022 events. 220/1022 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5351 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1398. Up to 488 conditions per place. [2024-10-24 15:23:24,059 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/196 dead transitions. [2024-10-24 15:23:24,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 196 transitions, 509 flow [2024-10-24 15:23:24,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:23:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:23:24,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-10-24 15:23:24,076 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-10-24 15:23:24,080 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 399 flow. Second operand 6 states and 899 transitions. [2024-10-24 15:23:24,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 196 transitions, 509 flow [2024-10-24 15:23:24,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 196 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:23:24,089 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 414 flow [2024-10-24 15:23:24,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=414, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2024-10-24 15:23:24,093 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 2 predicate places. [2024-10-24 15:23:24,094 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 414 flow [2024-10-24 15:23:24,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:24,095 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:24,095 INFO L204 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] [2024-10-24 15:23:24,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:23:24,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:24,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:24,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1151147682, now seen corresponding path program 1 times [2024-10-24 15:23:24,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:24,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635645623] [2024-10-24 15:23:24,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:24,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:24,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:24,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:24,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635645623] [2024-10-24 15:23:24,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635645623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:24,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:24,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:23:24,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314540733] [2024-10-24 15:23:24,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:24,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:23:24,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:24,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:23:24,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:23:24,677 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-10-24 15:23:24,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:24,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:24,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-10-24 15:23:24,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:24,883 INFO L124 PetriNetUnfolderBase]: 220/1020 cut-off events. [2024-10-24 15:23:24,883 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:23:24,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1532 conditions, 1020 events. 220/1020 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5380 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1439. Up to 488 conditions per place. [2024-10-24 15:23:24,889 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/194 dead transitions. [2024-10-24 15:23:24,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 194 transitions, 524 flow [2024-10-24 15:23:24,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:23:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:23:24,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-10-24 15:23:24,891 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-10-24 15:23:24,892 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 414 flow. Second operand 6 states and 899 transitions. [2024-10-24 15:23:24,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 194 transitions, 524 flow [2024-10-24 15:23:24,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 194 transitions, 504 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:23:24,895 INFO L231 Difference]: Finished difference. Result has 202 places, 194 transitions, 410 flow [2024-10-24 15:23:24,895 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=202, PETRI_TRANSITIONS=194} [2024-10-24 15:23:24,896 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 0 predicate places. [2024-10-24 15:23:24,896 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 194 transitions, 410 flow [2024-10-24 15:23:24,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:24,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:24,897 INFO L204 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] [2024-10-24 15:23:24,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:23:24,897 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:24,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:24,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1922634844, now seen corresponding path program 1 times [2024-10-24 15:23:24,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:24,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937087423] [2024-10-24 15:23:24,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:24,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:24,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:24,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937087423] [2024-10-24 15:23:24,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937087423] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:24,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:24,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:23:24,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748445131] [2024-10-24 15:23:24,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:24,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:23:24,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:24,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:23:24,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:23:24,973 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 199 [2024-10-24 15:23:24,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 194 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:24,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:24,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 199 [2024-10-24 15:23:24,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:25,013 INFO L124 PetriNetUnfolderBase]: 16/329 cut-off events. [2024-10-24 15:23:25,014 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:23:25,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 329 events. 16/329 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 760 event pairs, 16 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 298. Up to 47 conditions per place. [2024-10-24 15:23:25,015 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 14 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2024-10-24 15:23:25,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 193 transitions, 440 flow [2024-10-24 15:23:25,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:23:25,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:23:25,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2024-10-24 15:23:25,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430485762144054 [2024-10-24 15:23:25,017 INFO L175 Difference]: Start difference. First operand has 202 places, 194 transitions, 410 flow. Second operand 3 states and 563 transitions. [2024-10-24 15:23:25,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 193 transitions, 440 flow [2024-10-24 15:23:25,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:23:25,020 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 392 flow [2024-10-24 15:23:25,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2024-10-24 15:23:25,021 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -4 predicate places. [2024-10-24 15:23:25,021 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 392 flow [2024-10-24 15:23:25,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:25,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:25,021 INFO L204 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] [2024-10-24 15:23:25,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:23:25,022 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:25,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:25,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1671024064, now seen corresponding path program 1 times [2024-10-24 15:23:25,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:25,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971351485] [2024-10-24 15:23:25,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:25,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:25,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:25,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971351485] [2024-10-24 15:23:25,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971351485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:25,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:25,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:23:25,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883569888] [2024-10-24 15:23:25,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:25,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:23:25,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:25,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:23:25,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:23:25,080 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 199 [2024-10-24 15:23:25,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:25,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:25,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 199 [2024-10-24 15:23:25,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:25,118 INFO L124 PetriNetUnfolderBase]: 24/406 cut-off events. [2024-10-24 15:23:25,119 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:23:25,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 406 events. 24/406 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1205 event pairs, 24 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 419. Up to 63 conditions per place. [2024-10-24 15:23:25,120 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 15 selfloop transitions, 1 changer transitions 0/188 dead transitions. [2024-10-24 15:23:25,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 188 transitions, 414 flow [2024-10-24 15:23:25,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:23:25,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:23:25,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-10-24 15:23:25,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9296482412060302 [2024-10-24 15:23:25,122 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 392 flow. Second operand 3 states and 555 transitions. [2024-10-24 15:23:25,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 188 transitions, 414 flow [2024-10-24 15:23:25,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 188 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:23:25,125 INFO L231 Difference]: Finished difference. Result has 193 places, 188 transitions, 380 flow [2024-10-24 15:23:25,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=193, PETRI_TRANSITIONS=188} [2024-10-24 15:23:25,126 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -9 predicate places. [2024-10-24 15:23:25,126 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 188 transitions, 380 flow [2024-10-24 15:23:25,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:25,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:25,127 INFO L204 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] [2024-10-24 15:23:25,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:23:25,127 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:25,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:25,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1346216130, now seen corresponding path program 1 times [2024-10-24 15:23:25,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:25,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488227461] [2024-10-24 15:23:25,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:25,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:25,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:25,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488227461] [2024-10-24 15:23:25,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488227461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:25,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:25,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:23:25,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624377418] [2024-10-24 15:23:25,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:25,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:23:25,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:25,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:23:25,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:23:25,962 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 199 [2024-10-24 15:23:25,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 188 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:25,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:25,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 199 [2024-10-24 15:23:25,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:26,123 INFO L124 PetriNetUnfolderBase]: 288/1159 cut-off events. [2024-10-24 15:23:26,123 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:23:26,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1804 conditions, 1159 events. 288/1159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6281 event pairs, 288 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1736. Up to 635 conditions per place. [2024-10-24 15:23:26,126 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 58 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2024-10-24 15:23:26,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 187 transitions, 504 flow [2024-10-24 15:23:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:23:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:23:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 874 transitions. [2024-10-24 15:23:26,128 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7319932998324958 [2024-10-24 15:23:26,129 INFO L175 Difference]: Start difference. First operand has 193 places, 188 transitions, 380 flow. Second operand 6 states and 874 transitions. [2024-10-24 15:23:26,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 187 transitions, 504 flow [2024-10-24 15:23:26,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 187 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:23:26,131 INFO L231 Difference]: Finished difference. Result has 196 places, 187 transitions, 387 flow [2024-10-24 15:23:26,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=196, PETRI_TRANSITIONS=187} [2024-10-24 15:23:26,132 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -6 predicate places. [2024-10-24 15:23:26,132 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 187 transitions, 387 flow [2024-10-24 15:23:26,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:26,133 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:26,133 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:26,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:23:26,133 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:26,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:26,134 INFO L85 PathProgramCache]: Analyzing trace with hash 986575562, now seen corresponding path program 1 times [2024-10-24 15:23:26,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:26,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885312322] [2024-10-24 15:23:26,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:26,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:26,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885312322] [2024-10-24 15:23:26,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885312322] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:26,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:26,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:23:26,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211185103] [2024-10-24 15:23:26,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:26,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:23:26,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:26,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:23:26,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:23:26,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 199 [2024-10-24 15:23:26,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 187 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:26,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:26,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 199 [2024-10-24 15:23:26,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:27,053 INFO L124 PetriNetUnfolderBase]: 316/1485 cut-off events. [2024-10-24 15:23:27,053 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:23:27,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2221 conditions, 1485 events. 316/1485 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9183 event pairs, 36 based on Foata normal form. 0/1395 useless extension candidates. Maximal degree in co-relation 2154. Up to 380 conditions per place. [2024-10-24 15:23:27,059 INFO L140 encePairwiseOnDemand]: 171/199 looper letters, 99 selfloop transitions, 70 changer transitions 0/299 dead transitions. [2024-10-24 15:23:27,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 299 transitions, 949 flow [2024-10-24 15:23:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:23:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:23:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1023 transitions. [2024-10-24 15:23:27,061 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8567839195979899 [2024-10-24 15:23:27,061 INFO L175 Difference]: Start difference. First operand has 196 places, 187 transitions, 387 flow. Second operand 6 states and 1023 transitions. [2024-10-24 15:23:27,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 299 transitions, 949 flow [2024-10-24 15:23:27,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 299 transitions, 939 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-24 15:23:27,067 INFO L231 Difference]: Finished difference. Result has 200 places, 257 transitions, 855 flow [2024-10-24 15:23:27,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=855, PETRI_PLACES=200, PETRI_TRANSITIONS=257} [2024-10-24 15:23:27,068 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -2 predicate places. [2024-10-24 15:23:27,068 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 257 transitions, 855 flow [2024-10-24 15:23:27,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:27,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:27,069 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:27,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:23:27,069 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:27,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:27,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1434126713, now seen corresponding path program 1 times [2024-10-24 15:23:27,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:27,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313550179] [2024-10-24 15:23:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:27,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:27,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:27,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313550179] [2024-10-24 15:23:27,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313550179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:27,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:27,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:23:27,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841937483] [2024-10-24 15:23:27,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:27,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:23:27,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:27,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:23:27,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:23:27,550 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 199 [2024-10-24 15:23:27,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 257 transitions, 855 flow. Second operand has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:27,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:27,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 199 [2024-10-24 15:23:27,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:27,842 INFO L124 PetriNetUnfolderBase]: 588/2256 cut-off events. [2024-10-24 15:23:27,842 INFO L125 PetriNetUnfolderBase]: For 602/608 co-relation queries the response was YES. [2024-10-24 15:23:27,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4645 conditions, 2256 events. 588/2256 cut-off events. For 602/608 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15135 event pairs, 222 based on Foata normal form. 0/2145 useless extension candidates. Maximal degree in co-relation 4576. Up to 1082 conditions per place. [2024-10-24 15:23:27,852 INFO L140 encePairwiseOnDemand]: 184/199 looper letters, 106 selfloop transitions, 48 changer transitions 0/308 dead transitions. [2024-10-24 15:23:27,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 308 transitions, 1335 flow [2024-10-24 15:23:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:23:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:23:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 960 transitions. [2024-10-24 15:23:27,855 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8040201005025126 [2024-10-24 15:23:27,855 INFO L175 Difference]: Start difference. First operand has 200 places, 257 transitions, 855 flow. Second operand 6 states and 960 transitions. [2024-10-24 15:23:27,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 308 transitions, 1335 flow [2024-10-24 15:23:27,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 308 transitions, 1335 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:23:27,868 INFO L231 Difference]: Finished difference. Result has 210 places, 300 transitions, 1243 flow [2024-10-24 15:23:27,868 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1243, PETRI_PLACES=210, PETRI_TRANSITIONS=300} [2024-10-24 15:23:27,869 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 8 predicate places. [2024-10-24 15:23:27,869 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 300 transitions, 1243 flow [2024-10-24 15:23:27,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:27,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:27,870 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:27,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:23:27,870 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:27,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:27,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1941046839, now seen corresponding path program 1 times [2024-10-24 15:23:27,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:27,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442365760] [2024-10-24 15:23:27,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:27,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:28,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:28,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442365760] [2024-10-24 15:23:28,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442365760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:28,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:28,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:23:28,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018697823] [2024-10-24 15:23:28,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:28,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:23:28,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:28,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:23:28,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:23:28,367 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 199 [2024-10-24 15:23:28,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 300 transitions, 1243 flow. Second operand has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:28,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:28,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 199 [2024-10-24 15:23:28,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:28,791 INFO L124 PetriNetUnfolderBase]: 754/2786 cut-off events. [2024-10-24 15:23:28,792 INFO L125 PetriNetUnfolderBase]: For 1613/1665 co-relation queries the response was YES. [2024-10-24 15:23:28,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6544 conditions, 2786 events. 754/2786 cut-off events. For 1613/1665 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 19688 event pairs, 86 based on Foata normal form. 0/2692 useless extension candidates. Maximal degree in co-relation 6468. Up to 1009 conditions per place. [2024-10-24 15:23:28,804 INFO L140 encePairwiseOnDemand]: 176/199 looper letters, 128 selfloop transitions, 136 changer transitions 4/440 dead transitions. [2024-10-24 15:23:28,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 440 transitions, 2535 flow [2024-10-24 15:23:28,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:23:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:23:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1018 transitions. [2024-10-24 15:23:28,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8525963149078727 [2024-10-24 15:23:28,807 INFO L175 Difference]: Start difference. First operand has 210 places, 300 transitions, 1243 flow. Second operand 6 states and 1018 transitions. [2024-10-24 15:23:28,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 440 transitions, 2535 flow [2024-10-24 15:23:28,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 440 transitions, 2517 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-10-24 15:23:28,820 INFO L231 Difference]: Finished difference. Result has 220 places, 431 transitions, 2591 flow [2024-10-24 15:23:28,820 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2591, PETRI_PLACES=220, PETRI_TRANSITIONS=431} [2024-10-24 15:23:28,821 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 18 predicate places. [2024-10-24 15:23:28,821 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 431 transitions, 2591 flow [2024-10-24 15:23:28,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:28,822 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:28,822 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:28,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:23:28,822 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:28,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:28,822 INFO L85 PathProgramCache]: Analyzing trace with hash -855917372, now seen corresponding path program 1 times [2024-10-24 15:23:28,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:28,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30221184] [2024-10-24 15:23:28,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:28,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:29,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:29,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30221184] [2024-10-24 15:23:29,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30221184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:29,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:29,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:23:29,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383464185] [2024-10-24 15:23:29,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:29,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:23:29,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:29,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:23:29,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:23:30,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:23:30,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 431 transitions, 2591 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:30,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:30,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:23:30,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:31,560 INFO L124 PetriNetUnfolderBase]: 1151/4146 cut-off events. [2024-10-24 15:23:31,560 INFO L125 PetriNetUnfolderBase]: For 5339/5438 co-relation queries the response was YES. [2024-10-24 15:23:31,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11912 conditions, 4146 events. 1151/4146 cut-off events. For 5339/5438 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 33236 event pairs, 94 based on Foata normal form. 35/4083 useless extension candidates. Maximal degree in co-relation 11828. Up to 880 conditions per place. [2024-10-24 15:23:31,606 INFO L140 encePairwiseOnDemand]: 162/199 looper letters, 349 selfloop transitions, 159 changer transitions 4/655 dead transitions. [2024-10-24 15:23:31,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 655 transitions, 5031 flow [2024-10-24 15:23:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 15:23:31,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 15:23:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2077 transitions. [2024-10-24 15:23:31,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7455132806891601 [2024-10-24 15:23:31,611 INFO L175 Difference]: Start difference. First operand has 220 places, 431 transitions, 2591 flow. Second operand 14 states and 2077 transitions. [2024-10-24 15:23:31,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 655 transitions, 5031 flow [2024-10-24 15:23:31,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 655 transitions, 4959 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-10-24 15:23:31,640 INFO L231 Difference]: Finished difference. Result has 243 places, 494 transitions, 3864 flow [2024-10-24 15:23:31,641 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=2555, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3864, PETRI_PLACES=243, PETRI_TRANSITIONS=494} [2024-10-24 15:23:31,642 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 41 predicate places. [2024-10-24 15:23:31,642 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 494 transitions, 3864 flow [2024-10-24 15:23:31,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:31,644 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:31,644 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:31,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 15:23:31,644 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:31,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:31,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1426410300, now seen corresponding path program 2 times [2024-10-24 15:23:31,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:31,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012919088] [2024-10-24 15:23:31,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:31,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:32,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:32,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012919088] [2024-10-24 15:23:32,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012919088] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:32,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:32,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:23:32,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519754106] [2024-10-24 15:23:32,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:32,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:23:32,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:32,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:23:32,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:23:33,071 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:23:33,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 494 transitions, 3864 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:33,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:33,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:23:33,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:34,307 INFO L124 PetriNetUnfolderBase]: 1263/4513 cut-off events. [2024-10-24 15:23:34,308 INFO L125 PetriNetUnfolderBase]: For 9507/9604 co-relation queries the response was YES. [2024-10-24 15:23:34,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14418 conditions, 4513 events. 1263/4513 cut-off events. For 9507/9604 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 36339 event pairs, 93 based on Foata normal form. 39/4430 useless extension candidates. Maximal degree in co-relation 14320. Up to 891 conditions per place. [2024-10-24 15:23:34,340 INFO L140 encePairwiseOnDemand]: 178/199 looper letters, 440 selfloop transitions, 103 changer transitions 0/686 dead transitions. [2024-10-24 15:23:34,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 686 transitions, 6408 flow [2024-10-24 15:23:34,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 15:23:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 15:23:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2654 transitions. [2024-10-24 15:23:34,346 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.701930706162391 [2024-10-24 15:23:34,346 INFO L175 Difference]: Start difference. First operand has 243 places, 494 transitions, 3864 flow. Second operand 19 states and 2654 transitions. [2024-10-24 15:23:34,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 686 transitions, 6408 flow [2024-10-24 15:23:34,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 686 transitions, 6403 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-24 15:23:34,391 INFO L231 Difference]: Finished difference. Result has 267 places, 549 transitions, 4679 flow [2024-10-24 15:23:34,392 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=3859, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4679, PETRI_PLACES=267, PETRI_TRANSITIONS=549} [2024-10-24 15:23:34,393 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 65 predicate places. [2024-10-24 15:23:34,393 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 549 transitions, 4679 flow [2024-10-24 15:23:34,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:34,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:34,395 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:34,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 15:23:34,395 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:34,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:34,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1131412442, now seen corresponding path program 3 times [2024-10-24 15:23:34,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:34,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521833452] [2024-10-24 15:23:34,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:34,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:35,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:35,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521833452] [2024-10-24 15:23:35,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521833452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:35,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:35,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:23:35,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209819036] [2024-10-24 15:23:35,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:35,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:23:35,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:35,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:23:35,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:23:36,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:23:36,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 549 transitions, 4679 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:36,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:36,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:23:36,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:37,466 INFO L124 PetriNetUnfolderBase]: 1757/6357 cut-off events. [2024-10-24 15:23:37,466 INFO L125 PetriNetUnfolderBase]: For 18243/18448 co-relation queries the response was YES. [2024-10-24 15:23:37,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21506 conditions, 6357 events. 1757/6357 cut-off events. For 18243/18448 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 58019 event pairs, 162 based on Foata normal form. 49/6247 useless extension candidates. Maximal degree in co-relation 21398. Up to 1877 conditions per place. [2024-10-24 15:23:37,516 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 417 selfloop transitions, 204 changer transitions 1/765 dead transitions. [2024-10-24 15:23:37,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 765 transitions, 8082 flow [2024-10-24 15:23:37,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 15:23:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-10-24 15:23:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2111 transitions. [2024-10-24 15:23:37,524 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7072026800670017 [2024-10-24 15:23:37,524 INFO L175 Difference]: Start difference. First operand has 267 places, 549 transitions, 4679 flow. Second operand 15 states and 2111 transitions. [2024-10-24 15:23:37,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 765 transitions, 8082 flow [2024-10-24 15:23:37,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 765 transitions, 8041 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-10-24 15:23:37,582 INFO L231 Difference]: Finished difference. Result has 286 places, 653 transitions, 6958 flow [2024-10-24 15:23:37,583 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=4653, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6958, PETRI_PLACES=286, PETRI_TRANSITIONS=653} [2024-10-24 15:23:37,583 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 84 predicate places. [2024-10-24 15:23:37,584 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 653 transitions, 6958 flow [2024-10-24 15:23:37,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:37,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:37,584 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:37,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 15:23:37,584 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:37,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:37,585 INFO L85 PathProgramCache]: Analyzing trace with hash 684030540, now seen corresponding path program 4 times [2024-10-24 15:23:37,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:37,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813182683] [2024-10-24 15:23:37,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:37,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:38,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:38,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813182683] [2024-10-24 15:23:38,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813182683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:38,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:38,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:23:38,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743453016] [2024-10-24 15:23:38,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:38,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:23:38,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:38,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:23:38,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:23:39,329 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:23:39,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 653 transitions, 6958 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:39,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:39,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:23:39,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:41,670 INFO L124 PetriNetUnfolderBase]: 2402/8635 cut-off events. [2024-10-24 15:23:41,670 INFO L125 PetriNetUnfolderBase]: For 36117/36411 co-relation queries the response was YES. [2024-10-24 15:23:41,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31298 conditions, 8635 events. 2402/8635 cut-off events. For 36117/36411 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 85334 event pairs, 231 based on Foata normal form. 82/8516 useless extension candidates. Maximal degree in co-relation 31179. Up to 1704 conditions per place. [2024-10-24 15:23:41,745 INFO L140 encePairwiseOnDemand]: 164/199 looper letters, 511 selfloop transitions, 329 changer transitions 2/985 dead transitions. [2024-10-24 15:23:41,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 985 transitions, 12297 flow [2024-10-24 15:23:41,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 15:23:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 15:23:41,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2718 transitions. [2024-10-24 15:23:41,749 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7188574451203386 [2024-10-24 15:23:41,749 INFO L175 Difference]: Start difference. First operand has 286 places, 653 transitions, 6958 flow. Second operand 19 states and 2718 transitions. [2024-10-24 15:23:41,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 985 transitions, 12297 flow [2024-10-24 15:23:41,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 985 transitions, 12270 flow, removed 11 selfloop flow, removed 3 redundant places. [2024-10-24 15:23:41,867 INFO L231 Difference]: Finished difference. Result has 316 places, 787 transitions, 10473 flow [2024-10-24 15:23:41,868 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=6931, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10473, PETRI_PLACES=316, PETRI_TRANSITIONS=787} [2024-10-24 15:23:41,869 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 114 predicate places. [2024-10-24 15:23:41,869 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 787 transitions, 10473 flow [2024-10-24 15:23:41,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:41,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:41,870 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:41,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 15:23:41,870 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:41,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:41,870 INFO L85 PathProgramCache]: Analyzing trace with hash 18221423, now seen corresponding path program 1 times [2024-10-24 15:23:41,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:41,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277521736] [2024-10-24 15:23:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:41,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:42,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:42,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:42,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277521736] [2024-10-24 15:23:42,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277521736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:42,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:42,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:23:42,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907689265] [2024-10-24 15:23:42,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:42,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:23:42,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:42,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:23:42,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:23:43,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 199 [2024-10-24 15:23:43,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 787 transitions, 10473 flow. Second operand has 13 states, 13 states have (on average 135.07692307692307) internal successors, (1756), 13 states have internal predecessors, (1756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:43,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:43,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 199 [2024-10-24 15:23:43,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:45,566 INFO L124 PetriNetUnfolderBase]: 2979/10085 cut-off events. [2024-10-24 15:23:45,567 INFO L125 PetriNetUnfolderBase]: For 51829/52143 co-relation queries the response was YES. [2024-10-24 15:23:45,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39012 conditions, 10085 events. 2979/10085 cut-off events. For 51829/52143 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 100061 event pairs, 545 based on Foata normal form. 60/9923 useless extension candidates. Maximal degree in co-relation 38877. Up to 2345 conditions per place. [2024-10-24 15:23:45,641 INFO L140 encePairwiseOnDemand]: 178/199 looper letters, 451 selfloop transitions, 179 changer transitions 0/927 dead transitions. [2024-10-24 15:23:45,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 927 transitions, 13143 flow [2024-10-24 15:23:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 15:23:45,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-10-24 15:23:45,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2020 transitions. [2024-10-24 15:23:45,644 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7250538406317301 [2024-10-24 15:23:45,644 INFO L175 Difference]: Start difference. First operand has 316 places, 787 transitions, 10473 flow. Second operand 14 states and 2020 transitions. [2024-10-24 15:23:45,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 927 transitions, 13143 flow [2024-10-24 15:23:45,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 927 transitions, 13060 flow, removed 39 selfloop flow, removed 3 redundant places. [2024-10-24 15:23:45,834 INFO L231 Difference]: Finished difference. Result has 331 places, 802 transitions, 11222 flow [2024-10-24 15:23:45,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=10406, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11222, PETRI_PLACES=331, PETRI_TRANSITIONS=802} [2024-10-24 15:23:45,835 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 129 predicate places. [2024-10-24 15:23:45,835 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 802 transitions, 11222 flow [2024-10-24 15:23:45,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 135.07692307692307) internal successors, (1756), 13 states have internal predecessors, (1756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:45,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:45,836 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:45,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 15:23:45,837 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:45,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:45,837 INFO L85 PathProgramCache]: Analyzing trace with hash 573319102, now seen corresponding path program 5 times [2024-10-24 15:23:45,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:45,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35715906] [2024-10-24 15:23:45,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:46,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:46,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35715906] [2024-10-24 15:23:46,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35715906] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:46,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:46,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:23:46,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899161495] [2024-10-24 15:23:46,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:46,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:23:46,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:46,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:23:46,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:23:47,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:23:47,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 802 transitions, 11222 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:47,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:47,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:23:47,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:50,465 INFO L124 PetriNetUnfolderBase]: 3287/11728 cut-off events. [2024-10-24 15:23:50,466 INFO L125 PetriNetUnfolderBase]: For 74877/75402 co-relation queries the response was YES. [2024-10-24 15:23:50,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48217 conditions, 11728 events. 3287/11728 cut-off events. For 74877/75402 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 125036 event pairs, 303 based on Foata normal form. 116/11549 useless extension candidates. Maximal degree in co-relation 48076. Up to 2372 conditions per place. [2024-10-24 15:23:50,572 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 549 selfloop transitions, 404 changer transitions 3/1105 dead transitions. [2024-10-24 15:23:50,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1105 transitions, 17109 flow [2024-10-24 15:23:50,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 15:23:50,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-10-24 15:23:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2860 transitions. [2024-10-24 15:23:50,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7185929648241206 [2024-10-24 15:23:50,576 INFO L175 Difference]: Start difference. First operand has 331 places, 802 transitions, 11222 flow. Second operand 20 states and 2860 transitions. [2024-10-24 15:23:50,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 1105 transitions, 17109 flow [2024-10-24 15:23:50,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 1105 transitions, 16922 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-24 15:23:50,816 INFO L231 Difference]: Finished difference. Result has 353 places, 918 transitions, 15162 flow [2024-10-24 15:23:50,817 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=11098, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=802, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=15162, PETRI_PLACES=353, PETRI_TRANSITIONS=918} [2024-10-24 15:23:50,818 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 151 predicate places. [2024-10-24 15:23:50,818 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 918 transitions, 15162 flow [2024-10-24 15:23:50,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:50,818 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:50,819 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:50,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 15:23:50,819 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:50,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:50,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1702271934, now seen corresponding path program 6 times [2024-10-24 15:23:50,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:50,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932360856] [2024-10-24 15:23:50,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:50,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:51,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:51,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932360856] [2024-10-24 15:23:51,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932360856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:51,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:51,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:23:51,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126909386] [2024-10-24 15:23:51,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:51,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:23:51,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:51,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:23:51,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:23:52,145 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:23:52,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 918 transitions, 15162 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:52,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:52,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:23:52,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:23:56,420 INFO L124 PetriNetUnfolderBase]: 4375/15444 cut-off events. [2024-10-24 15:23:56,420 INFO L125 PetriNetUnfolderBase]: For 123453/124290 co-relation queries the response was YES. [2024-10-24 15:23:56,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66806 conditions, 15444 events. 4375/15444 cut-off events. For 123453/124290 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 175112 event pairs, 393 based on Foata normal form. 251/15298 useless extension candidates. Maximal degree in co-relation 66654. Up to 3141 conditions per place. [2024-10-24 15:23:56,637 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 597 selfloop transitions, 493 changer transitions 0/1239 dead transitions. [2024-10-24 15:23:56,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 1239 transitions, 22490 flow [2024-10-24 15:23:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 15:23:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 15:23:56,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2679 transitions. [2024-10-24 15:23:56,641 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7085427135678392 [2024-10-24 15:23:56,641 INFO L175 Difference]: Start difference. First operand has 353 places, 918 transitions, 15162 flow. Second operand 19 states and 2679 transitions. [2024-10-24 15:23:56,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 1239 transitions, 22490 flow [2024-10-24 15:23:57,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 1239 transitions, 22393 flow, removed 35 selfloop flow, removed 7 redundant places. [2024-10-24 15:23:57,211 INFO L231 Difference]: Finished difference. Result has 373 places, 1042 transitions, 20117 flow [2024-10-24 15:23:57,212 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=15111, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=373, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=20117, PETRI_PLACES=373, PETRI_TRANSITIONS=1042} [2024-10-24 15:23:57,212 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 171 predicate places. [2024-10-24 15:23:57,212 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 1042 transitions, 20117 flow [2024-10-24 15:23:57,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:57,213 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:23:57,213 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:23:57,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 15:23:57,213 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:23:57,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:23:57,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1103292496, now seen corresponding path program 7 times [2024-10-24 15:23:57,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:23:57,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878487849] [2024-10-24 15:23:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:23:57,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:23:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:23:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:23:57,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:23:57,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878487849] [2024-10-24 15:23:57,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878487849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:23:57,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:23:57,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:23:57,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449053060] [2024-10-24 15:23:57,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:23:57,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:23:57,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:23:57,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:23:57,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:23:58,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:23:58,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 1042 transitions, 20117 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:23:58,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:23:58,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:23:58,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:03,773 INFO L124 PetriNetUnfolderBase]: 4819/16898 cut-off events. [2024-10-24 15:24:03,773 INFO L125 PetriNetUnfolderBase]: For 171805/172866 co-relation queries the response was YES. [2024-10-24 15:24:03,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76764 conditions, 16898 events. 4819/16898 cut-off events. For 171805/172866 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 195814 event pairs, 433 based on Foata normal form. 325/16801 useless extension candidates. Maximal degree in co-relation 76603. Up to 3479 conditions per place. [2024-10-24 15:24:03,993 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 673 selfloop transitions, 505 changer transitions 3/1330 dead transitions. [2024-10-24 15:24:03,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 1330 transitions, 26833 flow [2024-10-24 15:24:03,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 15:24:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-10-24 15:24:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3134 transitions. [2024-10-24 15:24:03,996 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7158519872087711 [2024-10-24 15:24:03,996 INFO L175 Difference]: Start difference. First operand has 373 places, 1042 transitions, 20117 flow. Second operand 22 states and 3134 transitions. [2024-10-24 15:24:03,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 1330 transitions, 26833 flow [2024-10-24 15:24:04,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 1330 transitions, 26641 flow, removed 67 selfloop flow, removed 9 redundant places. [2024-10-24 15:24:04,570 INFO L231 Difference]: Finished difference. Result has 394 places, 1126 transitions, 24341 flow [2024-10-24 15:24:04,571 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=19939, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=423, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=24341, PETRI_PLACES=394, PETRI_TRANSITIONS=1126} [2024-10-24 15:24:04,571 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 192 predicate places. [2024-10-24 15:24:04,572 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 1126 transitions, 24341 flow [2024-10-24 15:24:04,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:24:04,572 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:04,572 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:04,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 15:24:04,573 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:24:04,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:04,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1206834866, now seen corresponding path program 8 times [2024-10-24 15:24:04,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:04,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904592309] [2024-10-24 15:24:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:04,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:05,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:05,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904592309] [2024-10-24 15:24:05,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904592309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:05,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:05,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:24:05,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414278379] [2024-10-24 15:24:05,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:05,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:24:05,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:05,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:24:05,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:24:06,054 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:24:06,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 1126 transitions, 24341 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:24:06,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:06,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:24:06,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:11,605 INFO L124 PetriNetUnfolderBase]: 5122/18011 cut-off events. [2024-10-24 15:24:11,605 INFO L125 PetriNetUnfolderBase]: For 221511/222582 co-relation queries the response was YES. [2024-10-24 15:24:11,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85561 conditions, 18011 events. 5122/18011 cut-off events. For 221511/222582 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 211805 event pairs, 428 based on Foata normal form. 376/17931 useless extension candidates. Maximal degree in co-relation 85391. Up to 3684 conditions per place. [2024-10-24 15:24:11,844 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 630 selfloop transitions, 614 changer transitions 0/1393 dead transitions. [2024-10-24 15:24:11,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 1393 transitions, 31507 flow [2024-10-24 15:24:11,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 15:24:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-24 15:24:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2680 transitions. [2024-10-24 15:24:11,848 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7088071938640571 [2024-10-24 15:24:11,848 INFO L175 Difference]: Start difference. First operand has 394 places, 1126 transitions, 24341 flow. Second operand 19 states and 2680 transitions. [2024-10-24 15:24:11,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 1393 transitions, 31507 flow [2024-10-24 15:24:12,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 1393 transitions, 31359 flow, removed 42 selfloop flow, removed 12 redundant places. [2024-10-24 15:24:12,633 INFO L231 Difference]: Finished difference. Result has 408 places, 1209 transitions, 28714 flow [2024-10-24 15:24:12,634 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=24193, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=533, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=28714, PETRI_PLACES=408, PETRI_TRANSITIONS=1209} [2024-10-24 15:24:12,634 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 206 predicate places. [2024-10-24 15:24:12,635 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 1209 transitions, 28714 flow [2024-10-24 15:24:12,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:24:12,635 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:12,635 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:12,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 15:24:12,636 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:24:12,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:12,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2109707588, now seen corresponding path program 9 times [2024-10-24 15:24:12,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:12,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980627414] [2024-10-24 15:24:12,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:12,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:13,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:13,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980627414] [2024-10-24 15:24:13,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980627414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:13,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:13,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:24:13,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267074317] [2024-10-24 15:24:13,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:13,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:24:13,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:13,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:24:13,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:24:14,306 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:24:14,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 1209 transitions, 28714 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:24:14,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:14,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:24:14,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:20,887 INFO L124 PetriNetUnfolderBase]: 5662/19886 cut-off events. [2024-10-24 15:24:20,887 INFO L125 PetriNetUnfolderBase]: For 287467/288736 co-relation queries the response was YES. [2024-10-24 15:24:21,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98795 conditions, 19886 events. 5662/19886 cut-off events. For 287467/288736 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 238495 event pairs, 540 based on Foata normal form. 417/19808 useless extension candidates. Maximal degree in co-relation 98617. Up to 4061 conditions per place. [2024-10-24 15:24:21,213 INFO L140 encePairwiseOnDemand]: 167/199 looper letters, 766 selfloop transitions, 609 changer transitions 2/1526 dead transitions. [2024-10-24 15:24:21,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 1526 transitions, 37250 flow [2024-10-24 15:24:21,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 15:24:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-24 15:24:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2985 transitions. [2024-10-24 15:24:21,217 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2024-10-24 15:24:21,217 INFO L175 Difference]: Start difference. First operand has 408 places, 1209 transitions, 28714 flow. Second operand 21 states and 2985 transitions. [2024-10-24 15:24:21,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 1526 transitions, 37250 flow [2024-10-24 15:24:22,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 1526 transitions, 37100 flow, removed 46 selfloop flow, removed 9 redundant places. [2024-10-24 15:24:22,230 INFO L231 Difference]: Finished difference. Result has 428 places, 1310 transitions, 34353 flow [2024-10-24 15:24:22,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=28564, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=515, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=34353, PETRI_PLACES=428, PETRI_TRANSITIONS=1310} [2024-10-24 15:24:22,232 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 226 predicate places. [2024-10-24 15:24:22,232 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 1310 transitions, 34353 flow [2024-10-24 15:24:22,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:24:22,232 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:22,233 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:22,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 15:24:22,233 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:24:22,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:22,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1822962600, now seen corresponding path program 10 times [2024-10-24 15:24:22,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:22,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584905039] [2024-10-24 15:24:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:22,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:22,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:22,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:22,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584905039] [2024-10-24 15:24:22,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584905039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:22,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:22,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:24:22,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795346416] [2024-10-24 15:24:22,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:22,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:24:22,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:24:22,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:24:23,606 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:24:23,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 1310 transitions, 34353 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:24:23,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:23,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:24:23,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:24:30,553 INFO L124 PetriNetUnfolderBase]: 5927/20734 cut-off events. [2024-10-24 15:24:30,553 INFO L125 PetriNetUnfolderBase]: For 358898/360352 co-relation queries the response was YES. [2024-10-24 15:24:30,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107651 conditions, 20734 events. 5927/20734 cut-off events. For 358898/360352 co-relation queries the response was YES. Maximal size of possible extension queue 870. Compared 250751 event pairs, 377 based on Foata normal form. 506/20725 useless extension candidates. Maximal degree in co-relation 107464. Up to 4261 conditions per place. [2024-10-24 15:24:30,866 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 640 selfloop transitions, 738 changer transitions 0/1527 dead transitions. [2024-10-24 15:24:30,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 1527 transitions, 41383 flow [2024-10-24 15:24:30,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 15:24:30,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-24 15:24:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2537 transitions. [2024-10-24 15:24:30,870 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7082635399218313 [2024-10-24 15:24:30,871 INFO L175 Difference]: Start difference. First operand has 428 places, 1310 transitions, 34353 flow. Second operand 18 states and 2537 transitions. [2024-10-24 15:24:30,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 1527 transitions, 41383 flow [2024-10-24 15:24:32,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 1527 transitions, 41175 flow, removed 66 selfloop flow, removed 11 redundant places. [2024-10-24 15:24:32,163 INFO L231 Difference]: Finished difference. Result has 441 places, 1376 transitions, 39555 flow [2024-10-24 15:24:32,165 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=34145, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=672, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=576, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=39555, PETRI_PLACES=441, PETRI_TRANSITIONS=1376} [2024-10-24 15:24:32,165 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 239 predicate places. [2024-10-24 15:24:32,165 INFO L471 AbstractCegarLoop]: Abstraction has has 441 places, 1376 transitions, 39555 flow [2024-10-24 15:24:32,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:24:32,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:24:32,166 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:24:32,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 15:24:32,166 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-10-24 15:24:32,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:24:32,167 INFO L85 PathProgramCache]: Analyzing trace with hash 560178034, now seen corresponding path program 11 times [2024-10-24 15:24:32,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:24:32,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774270561] [2024-10-24 15:24:32,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:24:32,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:24:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:24:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:24:32,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:24:32,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774270561] [2024-10-24 15:24:32,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774270561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:24:32,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:24:32,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 15:24:32,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108391670] [2024-10-24 15:24:32,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:24:32,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 15:24:32,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:24:32,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 15:24:32,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-24 15:24:34,031 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-10-24 15:24:34,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 1376 transitions, 39555 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:24:34,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:24:34,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-10-24 15:24:34,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand