./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/06_ticket.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/pthread-ext/06_ticket.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 d21b75ab9211f19b3beb5c83d6d66f0a0906e2f271e4621d3ded70db8a63bb33 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:06:07,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:06:07,850 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:06:07,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:06:07,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:06:07,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:06:07,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:06:07,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:06:07,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:06:07,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:06:07,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:06:07,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:06:07,892 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:06:07,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:06:07,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:06:07,894 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:06:07,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:06:07,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:06:07,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:06:07,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:06:07,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:06:07,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:06:07,900 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:06:07,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:06:07,900 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:06:07,900 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:06:07,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:06:07,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:06:07,901 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:06:07,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:06:07,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:06:07,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:06:07,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:06:07,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:06:07,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:06:07,903 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:06:07,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:06:07,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:06:07,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:06:07,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:06:07,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:06:07,905 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21b75ab9211f19b3beb5c83d6d66f0a0906e2f271e4621d3ded70db8a63bb33 [2024-11-10 14:06:08,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:06:08,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:06:08,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:06:08,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:06:08,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:06:08,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/06_ticket.i [2024-11-10 14:06:09,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:06:09,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:06:09,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/06_ticket.i [2024-11-10 14:06:09,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1445755de/81f7c1f8f36741389aaeab00e6474746/FLAG470b3ad52 [2024-11-10 14:06:10,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1445755de/81f7c1f8f36741389aaeab00e6474746 [2024-11-10 14:06:10,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:06:10,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:06:10,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:06:10,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:06:10,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:06:10,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10, skipping insertion in model container [2024-11-10 14:06:10,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:06:10,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:06:10,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:06:10,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:06:10,604 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:06:10,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10 WrapperNode [2024-11-10 14:06:10,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:06:10,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:06:10,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:06:10,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:06:10,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,653 INFO L138 Inliner]: procedures = 171, calls = 14, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 99 [2024-11-10 14:06:10,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:06:10,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:06:10,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:06:10,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:06:10,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,679 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:06:10,695 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:06:10,695 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:06:10,695 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:06:10,696 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (1/1) ... [2024-11-10 14:06:10,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:06:10,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:06:10,747 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) [2024-11-10 14:06:10,750 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 [2024-11-10 14:06:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-10 14:06:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-10 14:06:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:06:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:06:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:06:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:06:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:06:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:06:10,796 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:06:10,908 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:06:10,910 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:06:11,081 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:06:11,081 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:06:11,213 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:06:11,214 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:06:11,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:06:11 BoogieIcfgContainer [2024-11-10 14:06:11,214 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:06:11,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:06:11,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:06:11,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:06:11,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:06:10" (1/3) ... [2024-11-10 14:06:11,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f04001c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:06:11, skipping insertion in model container [2024-11-10 14:06:11,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:06:10" (2/3) ... [2024-11-10 14:06:11,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f04001c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:06:11, skipping insertion in model container [2024-11-10 14:06:11,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:06:11" (3/3) ... [2024-11-10 14:06:11,230 INFO L112 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2024-11-10 14:06:11,247 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:06:11,248 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-11-10 14:06:11,248 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:06:11,331 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:06:11,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 110 transitions, 224 flow [2024-11-10 14:06:11,422 INFO L124 PetriNetUnfolderBase]: 9/120 cut-off events. [2024-11-10 14:06:11,423 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:11,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 120 events. 9/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 142 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 96. Up to 4 conditions per place. [2024-11-10 14:06:11,430 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 110 transitions, 224 flow [2024-11-10 14:06:11,434 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 110 transitions, 224 flow [2024-11-10 14:06:11,445 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:06:11,452 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;@2794e945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:06:11,452 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-10 14:06:11,465 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:06:11,466 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-10 14:06:11,466 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:11,466 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:11,467 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] [2024-11-10 14:06:11,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-10 14:06:11,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:11,474 INFO L85 PathProgramCache]: Analyzing trace with hash 339063719, now seen corresponding path program 1 times [2024-11-10 14:06:11,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:11,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169863252] [2024-11-10 14:06:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:11,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:11,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:11,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169863252] [2024-11-10 14:06:11,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169863252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:11,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:11,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:06:11,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103667243] [2024-11-10 14:06:11,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:11,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:06:11,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:11,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:06:11,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:06:11,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 110 [2024-11-10 14:06:11,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 110 transitions, 224 flow. Second operand has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:11,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:11,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 110 [2024-11-10 14:06:11,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:11,757 INFO L124 PetriNetUnfolderBase]: 2/98 cut-off events. [2024-11-10 14:06:11,757 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:06:11,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 98 events. 2/98 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 11/97 useless extension candidates. Maximal degree in co-relation 80. Up to 3 conditions per place. [2024-11-10 14:06:11,759 INFO L140 encePairwiseOnDemand]: 98/110 looper letters, 2 selfloop transitions, 0 changer transitions 0/93 dead transitions. [2024-11-10 14:06:11,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 93 transitions, 194 flow [2024-11-10 14:06:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:06:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:06:11,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 204 transitions. [2024-11-10 14:06:11,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9272727272727272 [2024-11-10 14:06:11,775 INFO L175 Difference]: Start difference. First operand has 105 places, 110 transitions, 224 flow. Second operand 2 states and 204 transitions. [2024-11-10 14:06:11,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 93 transitions, 194 flow [2024-11-10 14:06:11,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 93 transitions, 194 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:11,784 INFO L231 Difference]: Finished difference. Result has 95 places, 93 transitions, 190 flow [2024-11-10 14:06:11,786 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=190, PETRI_PLACES=95, PETRI_TRANSITIONS=93} [2024-11-10 14:06:11,793 INFO L277 CegarLoopForPetriNet]: 105 programPoint places, -10 predicate places. [2024-11-10 14:06:11,793 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 93 transitions, 190 flow [2024-11-10 14:06:11,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:11,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:11,794 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:11,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:06:11,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-10 14:06:11,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:11,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1794101385, now seen corresponding path program 1 times [2024-11-10 14:06:11,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:11,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185529763] [2024-11-10 14:06:11,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:11,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:11,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:06:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:11,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:06:11,877 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:06:11,879 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 27 remaining) [2024-11-10 14:06:11,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-11-10 14:06:11,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-11-10 14:06:11,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-11-10 14:06:11,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-11-10 14:06:11,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-10 14:06:11,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-10 14:06:11,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-10 14:06:11,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-10 14:06:11,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-10 14:06:11,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-10 14:06:11,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-10 14:06:11,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-11-10 14:06:11,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-11-10 14:06:11,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-11-10 14:06:11,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-11-10 14:06:11,888 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2024-11-10 14:06:11,888 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2024-11-10 14:06:11,889 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-10 14:06:11,889 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-11-10 14:06:11,889 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-11-10 14:06:11,889 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-10 14:06:11,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-10 14:06:11,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-10 14:06:11,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-10 14:06:11,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-10 14:06:11,890 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-10 14:06:11,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:06:11,891 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 14:06:11,895 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:06:11,895 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 14:06:11,948 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:06:11,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 185 places, 195 transitions, 400 flow [2024-11-10 14:06:12,020 INFO L124 PetriNetUnfolderBase]: 17/217 cut-off events. [2024-11-10 14:06:12,021 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:06:12,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 217 events. 17/217 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 508 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 180. Up to 6 conditions per place. [2024-11-10 14:06:12,027 INFO L82 GeneralOperation]: Start removeDead. Operand has 185 places, 195 transitions, 400 flow [2024-11-10 14:06:12,030 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 195 transitions, 400 flow [2024-11-10 14:06:12,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:06:12,034 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;@2794e945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:06:12,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-10 14:06:12,043 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:06:12,044 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-10 14:06:12,044 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:12,044 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:12,044 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] [2024-11-10 14:06:12,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-10 14:06:12,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:12,045 INFO L85 PathProgramCache]: Analyzing trace with hash -551986949, now seen corresponding path program 1 times [2024-11-10 14:06:12,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:12,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785831058] [2024-11-10 14:06:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:12,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:12,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:12,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785831058] [2024-11-10 14:06:12,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785831058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:12,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:12,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:06:12,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198579372] [2024-11-10 14:06:12,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:12,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:06:12,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:12,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:06:12,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:06:12,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 195 [2024-11-10 14:06:12,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 195 transitions, 400 flow. Second operand has 2 states, 2 states have (on average 168.0) internal successors, (336), 2 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:12,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:12,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 195 [2024-11-10 14:06:12,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:12,169 INFO L124 PetriNetUnfolderBase]: 10/314 cut-off events. [2024-11-10 14:06:12,170 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-10 14:06:12,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 314 events. 10/314 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1077 event pairs, 2 based on Foata normal form. 34/299 useless extension candidates. Maximal degree in co-relation 223. Up to 9 conditions per place. [2024-11-10 14:06:12,174 INFO L140 encePairwiseOnDemand]: 173/195 looper letters, 4 selfloop transitions, 0 changer transitions 0/166 dead transitions. [2024-11-10 14:06:12,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 166 transitions, 350 flow [2024-11-10 14:06:12,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:06:12,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:06:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 360 transitions. [2024-11-10 14:06:12,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2024-11-10 14:06:12,179 INFO L175 Difference]: Start difference. First operand has 185 places, 195 transitions, 400 flow. Second operand 2 states and 360 transitions. [2024-11-10 14:06:12,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 166 transitions, 350 flow [2024-11-10 14:06:12,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 350 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:12,184 INFO L231 Difference]: Finished difference. Result has 168 places, 166 transitions, 342 flow [2024-11-10 14:06:12,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=342, PETRI_PLACES=168, PETRI_TRANSITIONS=166} [2024-11-10 14:06:12,187 INFO L277 CegarLoopForPetriNet]: 185 programPoint places, -17 predicate places. [2024-11-10 14:06:12,187 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 166 transitions, 342 flow [2024-11-10 14:06:12,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 168.0) internal successors, (336), 2 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:12,188 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:12,188 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:12,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:06:12,189 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2024-11-10 14:06:12,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:12,189 INFO L85 PathProgramCache]: Analyzing trace with hash 279785064, now seen corresponding path program 1 times [2024-11-10 14:06:12,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:12,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467421909] [2024-11-10 14:06:12,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:12,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:12,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:06:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:12,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:06:12,254 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:06:12,255 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2024-11-10 14:06:12,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-11-10 14:06:12,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-11-10 14:06:12,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-11-10 14:06:12,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-11-10 14:06:12,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-11-10 14:06:12,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-11-10 14:06:12,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-11-10 14:06:12,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-11-10 14:06:12,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-11-10 14:06:12,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-11-10 14:06:12,257 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-11-10 14:06:12,257 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-11-10 14:06:12,257 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-11-10 14:06:12,257 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-11-10 14:06:12,257 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-11-10 14:06:12,257 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-11-10 14:06:12,258 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-11-10 14:06:12,258 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-11-10 14:06:12,258 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-11-10 14:06:12,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-11-10 14:06:12,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-11-10 14:06:12,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2024-11-10 14:06:12,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2024-11-10 14:06:12,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2024-11-10 14:06:12,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2024-11-10 14:06:12,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-11-10 14:06:12,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-11-10 14:06:12,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-11-10 14:06:12,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-11-10 14:06:12,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-11-10 14:06:12,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-11-10 14:06:12,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-11-10 14:06:12,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-11-10 14:06:12,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-11-10 14:06:12,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-11-10 14:06:12,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-11-10 14:06:12,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-11-10 14:06:12,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-11-10 14:06:12,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-11-10 14:06:12,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:06:12,268 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 14:06:12,268 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:06:12,268 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-10 14:06:12,322 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:06:12,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 280 transitions, 578 flow [2024-11-10 14:06:12,407 INFO L124 PetriNetUnfolderBase]: 25/314 cut-off events. [2024-11-10 14:06:12,408 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:06:12,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 314 events. 25/314 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 978 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 264. Up to 8 conditions per place. [2024-11-10 14:06:12,415 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 280 transitions, 578 flow [2024-11-10 14:06:12,421 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 280 transitions, 578 flow [2024-11-10 14:06:12,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:06:12,431 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;@2794e945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:06:12,432 INFO L334 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2024-11-10 14:06:12,440 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:06:12,443 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-10 14:06:12,443 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:12,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:12,443 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] [2024-11-10 14:06:12,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-10 14:06:12,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:12,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1639771727, now seen corresponding path program 1 times [2024-11-10 14:06:12,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:12,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424385951] [2024-11-10 14:06:12,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:12,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:12,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:12,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:12,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424385951] [2024-11-10 14:06:12,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424385951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:12,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:12,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:06:12,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276423926] [2024-11-10 14:06:12,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:12,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:06:12,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:12,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:06:12,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:06:12,541 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 280 [2024-11-10 14:06:12,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 280 transitions, 578 flow. Second operand has 2 states, 2 states have (on average 240.0) internal successors, (480), 2 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:12,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:12,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 280 [2024-11-10 14:06:12,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:12,692 INFO L124 PetriNetUnfolderBase]: 32/804 cut-off events. [2024-11-10 14:06:12,692 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-10 14:06:12,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 804 events. 32/804 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4804 event pairs, 10 based on Foata normal form. 90/759 useless extension candidates. Maximal degree in co-relation 508. Up to 25 conditions per place. [2024-11-10 14:06:12,712 INFO L140 encePairwiseOnDemand]: 248/280 looper letters, 6 selfloop transitions, 0 changer transitions 0/239 dead transitions. [2024-11-10 14:06:12,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 239 transitions, 508 flow [2024-11-10 14:06:12,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:06:12,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:06:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 516 transitions. [2024-11-10 14:06:12,718 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9214285714285714 [2024-11-10 14:06:12,718 INFO L175 Difference]: Start difference. First operand has 265 places, 280 transitions, 578 flow. Second operand 2 states and 516 transitions. [2024-11-10 14:06:12,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 239 transitions, 508 flow [2024-11-10 14:06:12,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 239 transitions, 506 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:12,724 INFO L231 Difference]: Finished difference. Result has 241 places, 239 transitions, 494 flow [2024-11-10 14:06:12,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=494, PETRI_PLACES=241, PETRI_TRANSITIONS=239} [2024-11-10 14:06:12,727 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -24 predicate places. [2024-11-10 14:06:12,728 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 239 transitions, 494 flow [2024-11-10 14:06:12,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 240.0) internal successors, (480), 2 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:12,731 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:12,731 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] [2024-11-10 14:06:12,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:06:12,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-10 14:06:12,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:12,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1770251327, now seen corresponding path program 1 times [2024-11-10 14:06:12,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:12,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935455011] [2024-11-10 14:06:12,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:12,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:12,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:12,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935455011] [2024-11-10 14:06:12,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935455011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:12,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:12,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:12,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989956207] [2024-11-10 14:06:12,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:12,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:12,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:12,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:12,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:12,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 280 [2024-11-10 14:06:12,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 239 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:12,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:12,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 280 [2024-11-10 14:06:12,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:14,052 INFO L124 PetriNetUnfolderBase]: 1083/7129 cut-off events. [2024-11-10 14:06:14,052 INFO L125 PetriNetUnfolderBase]: For 226/226 co-relation queries the response was YES. [2024-11-10 14:06:14,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8997 conditions, 7129 events. 1083/7129 cut-off events. For 226/226 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 71778 event pairs, 439 based on Foata normal form. 0/6036 useless extension candidates. Maximal degree in co-relation 8991. Up to 1296 conditions per place. [2024-11-10 14:06:14,133 INFO L140 encePairwiseOnDemand]: 256/280 looper letters, 29 selfloop transitions, 18 changer transitions 0/259 dead transitions. [2024-11-10 14:06:14,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 259 transitions, 638 flow [2024-11-10 14:06:14,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 707 transitions. [2024-11-10 14:06:14,136 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8416666666666667 [2024-11-10 14:06:14,136 INFO L175 Difference]: Start difference. First operand has 241 places, 239 transitions, 494 flow. Second operand 3 states and 707 transitions. [2024-11-10 14:06:14,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 259 transitions, 638 flow [2024-11-10 14:06:14,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 259 transitions, 638 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:14,143 INFO L231 Difference]: Finished difference. Result has 245 places, 257 transitions, 650 flow [2024-11-10 14:06:14,144 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=245, PETRI_TRANSITIONS=257} [2024-11-10 14:06:14,146 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -20 predicate places. [2024-11-10 14:06:14,146 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 257 transitions, 650 flow [2024-11-10 14:06:14,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:14,147 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:14,148 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] [2024-11-10 14:06:14,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:06:14,148 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-10 14:06:14,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:14,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2128839462, now seen corresponding path program 1 times [2024-11-10 14:06:14,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:14,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837693475] [2024-11-10 14:06:14,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:14,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:14,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:14,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837693475] [2024-11-10 14:06:14,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837693475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:14,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:14,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:14,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594066143] [2024-11-10 14:06:14,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:14,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:14,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:14,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:14,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:14,295 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 280 [2024-11-10 14:06:14,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 257 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:14,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:14,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 280 [2024-11-10 14:06:14,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:19,320 INFO L124 PetriNetUnfolderBase]: 7827/37494 cut-off events. [2024-11-10 14:06:19,321 INFO L125 PetriNetUnfolderBase]: For 2896/2948 co-relation queries the response was YES. [2024-11-10 14:06:19,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56355 conditions, 37494 events. 7827/37494 cut-off events. For 2896/2948 co-relation queries the response was YES. Maximal size of possible extension queue 932. Compared 520780 event pairs, 3086 based on Foata normal form. 0/32893 useless extension candidates. Maximal degree in co-relation 56347. Up to 7652 conditions per place. [2024-11-10 14:06:19,703 INFO L140 encePairwiseOnDemand]: 247/280 looper letters, 50 selfloop transitions, 24 changer transitions 0/289 dead transitions. [2024-11-10 14:06:19,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 289 transitions, 890 flow [2024-11-10 14:06:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:19,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2024-11-10 14:06:19,706 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8273809523809523 [2024-11-10 14:06:19,706 INFO L175 Difference]: Start difference. First operand has 245 places, 257 transitions, 650 flow. Second operand 3 states and 695 transitions. [2024-11-10 14:06:19,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 289 transitions, 890 flow [2024-11-10 14:06:19,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 289 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:06:19,893 INFO L231 Difference]: Finished difference. Result has 247 places, 281 transitions, 824 flow [2024-11-10 14:06:19,894 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=247, PETRI_TRANSITIONS=281} [2024-11-10 14:06:19,895 INFO L277 CegarLoopForPetriNet]: 265 programPoint places, -18 predicate places. [2024-11-10 14:06:19,895 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 281 transitions, 824 flow [2024-11-10 14:06:19,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:19,895 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:19,896 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:06:19,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:06:19,896 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2024-11-10 14:06:19,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:19,897 INFO L85 PathProgramCache]: Analyzing trace with hash -146820574, now seen corresponding path program 1 times [2024-11-10 14:06:19,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:19,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816587795] [2024-11-10 14:06:19,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:19,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:19,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:06:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:06:19,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:06:19,927 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:06:19,927 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2024-11-10 14:06:19,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2024-11-10 14:06:19,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2024-11-10 14:06:19,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2024-11-10 14:06:19,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2024-11-10 14:06:19,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2024-11-10 14:06:19,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2024-11-10 14:06:19,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2024-11-10 14:06:19,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2024-11-10 14:06:19,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2024-11-10 14:06:19,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2024-11-10 14:06:19,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2024-11-10 14:06:19,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2024-11-10 14:06:19,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2024-11-10 14:06:19,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2024-11-10 14:06:19,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2024-11-10 14:06:19,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2024-11-10 14:06:19,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2024-11-10 14:06:19,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2024-11-10 14:06:19,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2024-11-10 14:06:19,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2024-11-10 14:06:19,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2024-11-10 14:06:19,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2024-11-10 14:06:19,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2024-11-10 14:06:19,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2024-11-10 14:06:19,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2024-11-10 14:06:19,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2024-11-10 14:06:19,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2024-11-10 14:06:19,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2024-11-10 14:06:19,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2024-11-10 14:06:19,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2024-11-10 14:06:19,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2024-11-10 14:06:19,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2024-11-10 14:06:19,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2024-11-10 14:06:19,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2024-11-10 14:06:19,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2024-11-10 14:06:19,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2024-11-10 14:06:19,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2024-11-10 14:06:19,934 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2024-11-10 14:06:19,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2024-11-10 14:06:19,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2024-11-10 14:06:19,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2024-11-10 14:06:19,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2024-11-10 14:06:19,935 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2024-11-10 14:06:19,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2024-11-10 14:06:19,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2024-11-10 14:06:19,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2024-11-10 14:06:19,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2024-11-10 14:06:19,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2024-11-10 14:06:19,936 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2024-11-10 14:06:19,937 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2024-11-10 14:06:19,937 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2024-11-10 14:06:19,937 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2024-11-10 14:06:19,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:06:19,937 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 14:06:19,938 WARN L244 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:06:19,938 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-11-10 14:06:19,994 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:06:20,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 345 places, 365 transitions, 758 flow [2024-11-10 14:06:20,059 INFO L124 PetriNetUnfolderBase]: 33/411 cut-off events. [2024-11-10 14:06:20,060 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 14:06:20,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 411 events. 33/411 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1494 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 348. Up to 10 conditions per place. [2024-11-10 14:06:20,068 INFO L82 GeneralOperation]: Start removeDead. Operand has 345 places, 365 transitions, 758 flow [2024-11-10 14:06:20,074 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 345 places, 365 transitions, 758 flow [2024-11-10 14:06:20,075 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:06:20,076 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;@2794e945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:06:20,076 INFO L334 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2024-11-10 14:06:20,079 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:06:20,079 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-10 14:06:20,079 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:06:20,079 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:20,079 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] [2024-11-10 14:06:20,080 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-10 14:06:20,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:20,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1000541533, now seen corresponding path program 1 times [2024-11-10 14:06:20,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:20,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608515110] [2024-11-10 14:06:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:20,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:20,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:20,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608515110] [2024-11-10 14:06:20,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608515110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:20,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:20,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:06:20,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838606620] [2024-11-10 14:06:20,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:20,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:06:20,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:20,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:06:20,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:06:20,115 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 365 [2024-11-10 14:06:20,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 365 transitions, 758 flow. Second operand has 2 states, 2 states have (on average 312.0) internal successors, (624), 2 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:20,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:20,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 365 [2024-11-10 14:06:20,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:20,486 INFO L124 PetriNetUnfolderBase]: 86/1846 cut-off events. [2024-11-10 14:06:20,486 INFO L125 PetriNetUnfolderBase]: For 117/117 co-relation queries the response was YES. [2024-11-10 14:06:20,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1980 conditions, 1846 events. 86/1846 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 15093 event pairs, 34 based on Foata normal form. 223/1751 useless extension candidates. Maximal degree in co-relation 1081. Up to 65 conditions per place. [2024-11-10 14:06:20,509 INFO L140 encePairwiseOnDemand]: 323/365 looper letters, 8 selfloop transitions, 0 changer transitions 0/312 dead transitions. [2024-11-10 14:06:20,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 312 transitions, 668 flow [2024-11-10 14:06:20,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:06:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:06:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 672 transitions. [2024-11-10 14:06:20,512 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9205479452054794 [2024-11-10 14:06:20,512 INFO L175 Difference]: Start difference. First operand has 345 places, 365 transitions, 758 flow. Second operand 2 states and 672 transitions. [2024-11-10 14:06:20,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 312 transitions, 668 flow [2024-11-10 14:06:20,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 312 transitions, 662 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:20,518 INFO L231 Difference]: Finished difference. Result has 314 places, 312 transitions, 646 flow [2024-11-10 14:06:20,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=646, PETRI_PLACES=314, PETRI_TRANSITIONS=312} [2024-11-10 14:06:20,519 INFO L277 CegarLoopForPetriNet]: 345 programPoint places, -31 predicate places. [2024-11-10 14:06:20,520 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 312 transitions, 646 flow [2024-11-10 14:06:20,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 312.0) internal successors, (624), 2 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:20,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:20,521 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] [2024-11-10 14:06:20,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:06:20,521 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-10 14:06:20,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:20,522 INFO L85 PathProgramCache]: Analyzing trace with hash 826249141, now seen corresponding path program 1 times [2024-11-10 14:06:20,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:20,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607365275] [2024-11-10 14:06:20,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:20,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:20,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:20,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607365275] [2024-11-10 14:06:20,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607365275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:20,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:20,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:20,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756902948] [2024-11-10 14:06:20,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:20,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:20,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:20,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:20,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:20,606 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 365 [2024-11-10 14:06:20,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 312 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:20,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:20,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 365 [2024-11-10 14:06:20,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:30,705 INFO L124 PetriNetUnfolderBase]: 15440/67268 cut-off events. [2024-11-10 14:06:30,705 INFO L125 PetriNetUnfolderBase]: For 2056/2056 co-relation queries the response was YES. [2024-11-10 14:06:31,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90388 conditions, 67268 events. 15440/67268 cut-off events. For 2056/2056 co-relation queries the response was YES. Maximal size of possible extension queue 1134. Compared 949261 event pairs, 6393 based on Foata normal form. 0/56623 useless extension candidates. Maximal degree in co-relation 90381. Up to 16154 conditions per place. [2024-11-10 14:06:31,837 INFO L140 encePairwiseOnDemand]: 333/365 looper letters, 39 selfloop transitions, 24 changer transitions 0/339 dead transitions. [2024-11-10 14:06:31,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 339 transitions, 841 flow [2024-11-10 14:06:31,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:06:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:06:31,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 920 transitions. [2024-11-10 14:06:31,843 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8401826484018264 [2024-11-10 14:06:31,843 INFO L175 Difference]: Start difference. First operand has 314 places, 312 transitions, 646 flow. Second operand 3 states and 920 transitions. [2024-11-10 14:06:31,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 339 transitions, 841 flow [2024-11-10 14:06:31,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 339 transitions, 841 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:06:31,850 INFO L231 Difference]: Finished difference. Result has 318 places, 336 transitions, 854 flow [2024-11-10 14:06:31,851 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=854, PETRI_PLACES=318, PETRI_TRANSITIONS=336} [2024-11-10 14:06:31,852 INFO L277 CegarLoopForPetriNet]: 345 programPoint places, -27 predicate places. [2024-11-10 14:06:31,852 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 336 transitions, 854 flow [2024-11-10 14:06:31,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:31,853 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:06:31,853 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] [2024-11-10 14:06:31,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:06:31,853 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err12ASSERT_VIOLATIONDATA_RACE, thr1Err11ASSERT_VIOLATIONDATA_RACE, thr1Err10ASSERT_VIOLATIONDATA_RACE, thr1Err9ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2024-11-10 14:06:31,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:06:31,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1697627918, now seen corresponding path program 1 times [2024-11-10 14:06:31,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:06:31,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723522653] [2024-11-10 14:06:31,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:06:31,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:06:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:06:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:06:31,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:06:31,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723522653] [2024-11-10 14:06:31,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723522653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:06:31,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:06:31,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:06:31,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350610987] [2024-11-10 14:06:31,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:06:31,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:06:31,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:06:31,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:06:31,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:06:31,984 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 365 [2024-11-10 14:06:31,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 336 transitions, 854 flow. Second operand has 3 states, 3 states have (on average 268.3333333333333) internal successors, (805), 3 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:06:31,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:06:31,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 365 [2024-11-10 14:06:31,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:06:37,328 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1200] L693-->L704-1: Formula: (and (= |v_#race~now_serving~0_27| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (= 3 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) .cse0) (and (not .cse0) (= v_~next_ticket~0_55 .cse1) (= v_~next_ticket~0_56 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)))))) InVars {~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|, ~next_ticket~0=v_~next_ticket~0_56} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1, #race~now_serving~0, #race~next_ticket~0][205], [Black: 350#true, 9#L728-7true, 18#L704-1true, 240#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 346#true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-10 14:06:37,328 INFO L294 olderBase$Statistics]: this new event has 110 ancestors and is cut-off event [2024-11-10 14:06:37,329 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-10 14:06:37,329 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-10 14:06:37,329 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-10 14:06:37,394 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1116] L693-->L704-1: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (not .cse0) (= v_~next_ticket~0_56 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= v_~next_ticket~0_55 .cse1)) (and (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0)))) (= |v_#race~now_serving~0_27| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_56, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][158], [Black: 350#true, 9#L728-7true, 240#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 197#L704-1true, 346#true, 49#L713true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-10 14:06:37,394 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-10 14:06:37,394 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-10 14:06:37,394 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-10 14:06:37,394 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-10 14:06:37,550 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1284] L693-->L704-1: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (not .cse0) (= v_~next_ticket~0_55 .cse1) (= v_~next_ticket~0_56 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and (= |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= 3 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0)))) (= |v_#race~now_serving~0_27| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_56, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][111], [Black: 350#true, 338#L728-7true, 319#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 295#L704-1true, 346#true, 49#L713true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-10 14:06:37,550 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-10 14:06:37,550 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-10 14:06:37,550 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-10 14:06:37,550 INFO L297 olderBase$Statistics]: existing Event has 110 ancestors and is cut-off event [2024-11-10 14:06:37,674 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1200] L693-->L704-1: Formula: (and (= |v_#race~now_serving~0_27| 0) (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (= 3 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) .cse0) (and (not .cse0) (= v_~next_ticket~0_55 .cse1) (= v_~next_ticket~0_56 |v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)))))) InVars {~now_serving~0=v_~now_serving~0_22, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|, ~next_ticket~0=v_~next_ticket~0_56} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1, #race~now_serving~0, #race~next_ticket~0][205], [Black: 350#true, 18#L704-1true, 240#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 346#true, 357#(= |#race~c~0| 0), 340#true, 178#L728-6true, 342#true]) [2024-11-10 14:06:37,674 INFO L294 olderBase$Statistics]: this new event has 111 ancestors and is cut-off event [2024-11-10 14:06:37,674 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2024-11-10 14:06:37,674 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-10 14:06:37,675 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-10 14:06:37,720 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1116] L693-->L704-1: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (not .cse0) (= v_~next_ticket~0_56 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) (= v_~next_ticket~0_55 .cse1)) (and (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= 3 |v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0)))) (= |v_#race~now_serving~0_27| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_56, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][158], [Black: 350#true, 240#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 197#L704-1true, 346#true, 49#L713true, 357#(= |#race~c~0| 0), 340#true, 178#L728-6true, 342#true]) [2024-11-10 14:06:37,720 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2024-11-10 14:06:37,720 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-10 14:06:37,720 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-10 14:06:37,720 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-10 14:06:37,903 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1284] L693-->L704-1: Formula: (and (let ((.cse1 (mod (mod (+ v_~next_ticket~0_56 1) 4294967296) 3))) (let ((.cse0 (= (mod v_~now_serving~0_22 4294967296) .cse1))) (or (and (not .cse0) (= v_~next_ticket~0_55 .cse1) (= v_~next_ticket~0_56 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|)) (and (= |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6| |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|) (= |v_#race~next_ticket~0_91| 0) (= v_~next_ticket~0_56 v_~next_ticket~0_55) (= 3 |v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|) .cse0)))) (= |v_#race~now_serving~0_27| 0)) InVars {~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_56, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_5|} OutVars{~now_serving~0=v_~now_serving~0_22, ~next_ticket~0=v_~next_ticket~0_55, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1_13|, #race~now_serving~0=|v_#race~now_serving~0_27|, #race~next_ticket~0=|v_#race~next_ticket~0_91|, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1=|v_thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1_6|} AuxVars[] AssignedVars[~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0#1, #race~now_serving~0, #race~next_ticket~0, thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#t~nondet3#1][111], [Black: 350#true, 319#L713-1true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 295#L704-1true, 346#true, 49#L713true, 12#L728-6true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-10 14:06:37,904 INFO L294 olderBase$Statistics]: this new event has 116 ancestors and is cut-off event [2024-11-10 14:06:37,904 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-10 14:06:37,904 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-10 14:06:37,904 INFO L297 olderBase$Statistics]: existing Event has 111 ancestors and is cut-off event [2024-11-10 14:06:38,544 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][281], [Black: 350#true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 295#L704-1true, 106#L726-7true, 346#true, 199#L727-1true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-10 14:06:38,545 INFO L294 olderBase$Statistics]: this new event has 112 ancestors and is cut-off event [2024-11-10 14:06:38,545 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-10 14:06:38,545 INFO L297 olderBase$Statistics]: existing Event has 112 ancestors and is cut-off event [2024-11-10 14:06:38,545 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-10 14:06:38,937 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 9#L728-7true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 264#L704-1true, 342#true]) [2024-11-10 14:06:38,938 INFO L294 olderBase$Statistics]: this new event has 113 ancestors and is cut-off event [2024-11-10 14:06:38,938 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-10 14:06:38,938 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-10 14:06:38,938 INFO L297 olderBase$Statistics]: existing Event has 113 ancestors and is cut-off event [2024-11-10 14:06:39,728 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 264#L704-1true, 342#true, 178#L728-6true]) [2024-11-10 14:06:39,728 INFO L294 olderBase$Statistics]: this new event has 114 ancestors and is cut-off event [2024-11-10 14:06:39,729 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-10 14:06:39,729 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-10 14:06:39,729 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-10 14:06:39,835 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][281], [Black: 350#true, 338#L728-7true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 295#L704-1true, 106#L726-7true, 346#true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-10 14:06:39,835 INFO L294 olderBase$Statistics]: this new event has 114 ancestors and is cut-off event [2024-11-10 14:06:39,835 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-10 14:06:39,835 INFO L297 olderBase$Statistics]: existing Event has 114 ancestors and is cut-off event [2024-11-10 14:06:39,835 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-10 14:06:40,164 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][281], [Black: 350#true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 346#true, 106#L726-7true, 357#(= |#race~c~0| 0), 340#true, 264#L704-1true, 342#true, 178#L728-6true]) [2024-11-10 14:06:40,164 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-10 14:06:40,164 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-10 14:06:40,164 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-10 14:06:40,165 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-10 14:06:40,281 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1217] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][281], [Black: 350#true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 344#true, 348#true, 217#L713true, 295#L704-1true, 346#true, 106#L726-7true, 12#L728-6true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-10 14:06:40,281 INFO L294 olderBase$Statistics]: this new event has 115 ancestors and is cut-off event [2024-11-10 14:06:40,281 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-10 14:06:40,281 INFO L297 olderBase$Statistics]: existing Event has 115 ancestors and is cut-off event [2024-11-10 14:06:40,281 INFO L297 olderBase$Statistics]: existing Event has 116 ancestors and is cut-off event [2024-11-10 14:06:50,398 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 9#L728-7true, 251#L726-7true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-10 14:06:50,398 INFO L294 olderBase$Statistics]: this new event has 126 ancestors and is cut-off event [2024-11-10 14:06:50,399 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-10 14:06:50,399 INFO L297 olderBase$Statistics]: existing Event has 126 ancestors and is cut-off event [2024-11-10 14:06:50,399 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-10 14:06:51,293 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 9#L728-7true, 107#L726-6true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 342#true]) [2024-11-10 14:06:51,294 INFO L294 olderBase$Statistics]: this new event has 127 ancestors and is cut-off event [2024-11-10 14:06:51,294 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-10 14:06:51,294 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-10 14:06:51,295 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-10 14:06:51,303 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 251#L726-7true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 178#L728-6true, 342#true]) [2024-11-10 14:06:51,303 INFO L294 olderBase$Statistics]: this new event has 127 ancestors and is cut-off event [2024-11-10 14:06:51,303 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-10 14:06:51,303 INFO L297 olderBase$Statistics]: existing Event has 127 ancestors and is cut-off event [2024-11-10 14:06:51,303 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-10 14:06:52,603 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1133] L725-->L726-7: Formula: (= |v_#race~c~0_15| 0) InVars {} OutVars{#race~c~0=|v_#race~c~0_15|} AuxVars[] AssignedVars[#race~c~0][242], [Black: 350#true, 107#L726-6true, 352#(= |#race~now_serving~0| 0), 56#L734-2true, 84#L726-7true, 344#true, 348#true, 346#true, 46#L713-1true, 357#(= |#race~c~0| 0), 340#true, 342#true, 178#L728-6true]) [2024-11-10 14:06:52,603 INFO L294 olderBase$Statistics]: this new event has 128 ancestors and is cut-off event [2024-11-10 14:06:52,603 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event [2024-11-10 14:06:52,603 INFO L297 olderBase$Statistics]: existing Event has 129 ancestors and is cut-off event [2024-11-10 14:06:52,603 INFO L297 olderBase$Statistics]: existing Event has 128 ancestors and is cut-off event