./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:14:55,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:14:55,621 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:14:55,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:14:55,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:14:55,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:14:55,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:14:55,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:14:55,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:14:55,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:14:55,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:14:55,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:14:55,656 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:14:55,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:14:55,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:14:55,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:14:55,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:14:55,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:14:55,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:14:55,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:14:55,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:14:55,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:14:55,662 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:14:55,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:14:55,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:14:55,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:14:55,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:14:55,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:14:55,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:14:55,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:14:55,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:14:55,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:14:55,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:14:55,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:14:55,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:14:55,664 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:14:55,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:14:55,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:14:55,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:14:55,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:14:55,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:14:55,665 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 [2024-10-11 17:14:55,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:14:55,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:14:55,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:14:55,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:14:55,919 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:14:55,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2024-10-11 17:14:57,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:14:57,503 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:14:57,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2024-10-11 17:14:57,513 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f56fb6b3a/77ede564486b450290095eb097a9201d/FLAG3b2c8424c [2024-10-11 17:14:57,531 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f56fb6b3a/77ede564486b450290095eb097a9201d [2024-10-11 17:14:57,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:14:57,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:14:57,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:14:57,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:14:57,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:14:57,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f876387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57, skipping insertion in model container [2024-10-11 17:14:57,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:14:57,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:14:57,796 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:14:57,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:14:57,825 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:14:57,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57 WrapperNode [2024-10-11 17:14:57,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:14:57,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:14:57,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:14:57,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:14:57,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,853 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 10, calls inlined = 16, statements flattened = 225 [2024-10-11 17:14:57,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:14:57,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:14:57,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:14:57,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:14:57,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:14:57,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:14:57,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:14:57,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:14:57,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (1/1) ... [2024-10-11 17:14:57,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:14:57,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:14:57,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:14:57,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:14:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:14:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:14:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:14:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:14:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:14:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:14:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 17:14:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 17:14:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:14:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:14:57,938 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:14:58,068 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:14:58,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:14:58,344 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:14:58,345 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:14:58,622 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:14:58,622 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:14:58,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:58 BoogieIcfgContainer [2024-10-11 17:14:58,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:14:58,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:14:58,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:14:58,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:14:58,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:14:57" (1/3) ... [2024-10-11 17:14:58,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5a699c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:14:58, skipping insertion in model container [2024-10-11 17:14:58,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:57" (2/3) ... [2024-10-11 17:14:58,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5a699c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:14:58, skipping insertion in model container [2024-10-11 17:14:58,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:58" (3/3) ... [2024-10-11 17:14:58,633 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2024-10-11 17:14:58,646 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:14:58,646 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-11 17:14:58,647 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:14:58,692 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 17:14:58,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 148 transitions, 310 flow [2024-10-11 17:14:58,855 INFO L124 PetriNetUnfolderBase]: 3/146 cut-off events. [2024-10-11 17:14:58,856 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:14:58,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 146 events. 3/146 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 113 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2024-10-11 17:14:58,861 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 148 transitions, 310 flow [2024-10-11 17:14:58,866 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 124 transitions, 260 flow [2024-10-11 17:14:58,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:14:58,882 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;@5b15ee28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:14:58,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-10-11 17:14:58,893 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:14:58,893 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-10-11 17:14:58,893 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:14:58,893 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:58,894 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] [2024-10-11 17:14:58,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-11 17:14:58,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:58,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1372999748, now seen corresponding path program 1 times [2024-10-11 17:14:58,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:58,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579841269] [2024-10-11 17:14:58,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:58,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579841269] [2024-10-11 17:14:59,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579841269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854546150] [2024-10-11 17:14:59,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-11 17:14:59,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 124 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-11 17:14:59,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,129 INFO L124 PetriNetUnfolderBase]: 4/117 cut-off events. [2024-10-11 17:14:59,129 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-10-11 17:14:59,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 117 events. 4/117 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 35. Up to 16 conditions per place. [2024-10-11 17:14:59,131 INFO L140 encePairwiseOnDemand]: 129/148 looper letters, 9 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2024-10-11 17:14:59,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 107 transitions, 248 flow [2024-10-11 17:14:59,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2024-10-11 17:14:59,143 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8536036036036037 [2024-10-11 17:14:59,144 INFO L175 Difference]: Start difference. First operand has 130 places, 124 transitions, 260 flow. Second operand 3 states and 379 transitions. [2024-10-11 17:14:59,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 107 transitions, 248 flow [2024-10-11 17:14:59,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 107 transitions, 240 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 17:14:59,150 INFO L231 Difference]: Finished difference. Result has 111 places, 107 transitions, 222 flow [2024-10-11 17:14:59,152 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=111, PETRI_TRANSITIONS=107} [2024-10-11 17:14:59,154 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -19 predicate places. [2024-10-11 17:14:59,154 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 107 transitions, 222 flow [2024-10-11 17:14:59,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,155 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] [2024-10-11 17:14:59,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:14:59,156 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-11 17:14:59,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1631060643, now seen corresponding path program 1 times [2024-10-11 17:14:59,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741213951] [2024-10-11 17:14:59,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741213951] [2024-10-11 17:14:59,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741213951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872882477] [2024-10-11 17:14:59,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-11 17:14:59,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 107 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-11 17:14:59,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,232 INFO L124 PetriNetUnfolderBase]: 4/116 cut-off events. [2024-10-11 17:14:59,232 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:14:59,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 116 events. 4/116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 111. Up to 16 conditions per place. [2024-10-11 17:14:59,234 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 9 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2024-10-11 17:14:59,234 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 106 transitions, 242 flow [2024-10-11 17:14:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-10-11 17:14:59,236 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2024-10-11 17:14:59,236 INFO L175 Difference]: Start difference. First operand has 111 places, 107 transitions, 222 flow. Second operand 3 states and 363 transitions. [2024-10-11 17:14:59,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 106 transitions, 242 flow [2024-10-11 17:14:59,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 106 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,239 INFO L231 Difference]: Finished difference. Result has 110 places, 106 transitions, 220 flow [2024-10-11 17:14:59,239 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=110, PETRI_TRANSITIONS=106} [2024-10-11 17:14:59,240 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -20 predicate places. [2024-10-11 17:14:59,240 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 106 transitions, 220 flow [2024-10-11 17:14:59,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,241 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,241 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] [2024-10-11 17:14:59,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:14:59,241 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-11 17:14:59,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2094110082, now seen corresponding path program 1 times [2024-10-11 17:14:59,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492101406] [2024-10-11 17:14:59,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492101406] [2024-10-11 17:14:59,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492101406] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974112662] [2024-10-11 17:14:59,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-11 17:14:59,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 106 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-11 17:14:59,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,331 INFO L124 PetriNetUnfolderBase]: 4/115 cut-off events. [2024-10-11 17:14:59,331 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:14:59,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 115 events. 4/115 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 102. Up to 16 conditions per place. [2024-10-11 17:14:59,332 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 9 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2024-10-11 17:14:59,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 240 flow [2024-10-11 17:14:59,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-10-11 17:14:59,334 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2024-10-11 17:14:59,334 INFO L175 Difference]: Start difference. First operand has 110 places, 106 transitions, 220 flow. Second operand 3 states and 363 transitions. [2024-10-11 17:14:59,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 240 flow [2024-10-11 17:14:59,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 105 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,337 INFO L231 Difference]: Finished difference. Result has 109 places, 105 transitions, 218 flow [2024-10-11 17:14:59,337 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=109, PETRI_TRANSITIONS=105} [2024-10-11 17:14:59,337 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -21 predicate places. [2024-10-11 17:14:59,338 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 105 transitions, 218 flow [2024-10-11 17:14:59,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,339 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,339 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:59,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:14:59,339 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-11 17:14:59,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,340 INFO L85 PathProgramCache]: Analyzing trace with hash 874583614, now seen corresponding path program 1 times [2024-10-11 17:14:59,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698835405] [2024-10-11 17:14:59,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698835405] [2024-10-11 17:14:59,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698835405] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638621731] [2024-10-11 17:14:59,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,403 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-11 17:14:59,404 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 105 transitions, 218 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,404 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-11 17:14:59,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,441 INFO L124 PetriNetUnfolderBase]: 4/114 cut-off events. [2024-10-11 17:14:59,441 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:14:59,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 114 events. 4/114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 93. Up to 16 conditions per place. [2024-10-11 17:14:59,442 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 9 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2024-10-11 17:14:59,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 104 transitions, 238 flow [2024-10-11 17:14:59,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-10-11 17:14:59,445 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2024-10-11 17:14:59,446 INFO L175 Difference]: Start difference. First operand has 109 places, 105 transitions, 218 flow. Second operand 3 states and 363 transitions. [2024-10-11 17:14:59,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 104 transitions, 238 flow [2024-10-11 17:14:59,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 104 transitions, 234 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,448 INFO L231 Difference]: Finished difference. Result has 108 places, 104 transitions, 216 flow [2024-10-11 17:14:59,448 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=108, PETRI_TRANSITIONS=104} [2024-10-11 17:14:59,450 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -22 predicate places. [2024-10-11 17:14:59,451 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 104 transitions, 216 flow [2024-10-11 17:14:59,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,451 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,451 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:59,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:14:59,452 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-11 17:14:59,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,453 INFO L85 PathProgramCache]: Analyzing trace with hash -708594043, now seen corresponding path program 1 times [2024-10-11 17:14:59,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45107078] [2024-10-11 17:14:59,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45107078] [2024-10-11 17:14:59,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45107078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587472658] [2024-10-11 17:14:59,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,526 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 148 [2024-10-11 17:14:59,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 104 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 148 [2024-10-11 17:14:59,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,568 INFO L124 PetriNetUnfolderBase]: 4/113 cut-off events. [2024-10-11 17:14:59,568 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:14:59,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 113 events. 4/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 86. Up to 18 conditions per place. [2024-10-11 17:14:59,573 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 11 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-10-11 17:14:59,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 103 transitions, 240 flow [2024-10-11 17:14:59,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2024-10-11 17:14:59,574 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085585585585585 [2024-10-11 17:14:59,574 INFO L175 Difference]: Start difference. First operand has 108 places, 104 transitions, 216 flow. Second operand 3 states and 359 transitions. [2024-10-11 17:14:59,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 103 transitions, 240 flow [2024-10-11 17:14:59,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 103 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,576 INFO L231 Difference]: Finished difference. Result has 107 places, 103 transitions, 214 flow [2024-10-11 17:14:59,576 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=107, PETRI_TRANSITIONS=103} [2024-10-11 17:14:59,577 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -23 predicate places. [2024-10-11 17:14:59,579 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 103 transitions, 214 flow [2024-10-11 17:14:59,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,580 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:59,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:14:59,581 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-11 17:14:59,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,583 INFO L85 PathProgramCache]: Analyzing trace with hash -172201770, now seen corresponding path program 1 times [2024-10-11 17:14:59,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126045532] [2024-10-11 17:14:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126045532] [2024-10-11 17:14:59,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126045532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694564101] [2024-10-11 17:14:59,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,657 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 148 [2024-10-11 17:14:59,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 103 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 148 [2024-10-11 17:14:59,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,685 INFO L124 PetriNetUnfolderBase]: 4/112 cut-off events. [2024-10-11 17:14:59,686 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:14:59,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 112 events. 4/112 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 77. Up to 18 conditions per place. [2024-10-11 17:14:59,687 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 11 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2024-10-11 17:14:59,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 102 transitions, 238 flow [2024-10-11 17:14:59,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 359 transitions. [2024-10-11 17:14:59,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8085585585585585 [2024-10-11 17:14:59,688 INFO L175 Difference]: Start difference. First operand has 107 places, 103 transitions, 214 flow. Second operand 3 states and 359 transitions. [2024-10-11 17:14:59,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 102 transitions, 238 flow [2024-10-11 17:14:59,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 102 transitions, 234 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,690 INFO L231 Difference]: Finished difference. Result has 106 places, 102 transitions, 212 flow [2024-10-11 17:14:59,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2024-10-11 17:14:59,691 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -24 predicate places. [2024-10-11 17:14:59,691 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 212 flow [2024-10-11 17:14:59,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,692 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,692 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:59,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:14:59,693 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-11 17:14:59,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1655564726, now seen corresponding path program 1 times [2024-10-11 17:14:59,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210083198] [2024-10-11 17:14:59,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210083198] [2024-10-11 17:14:59,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210083198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090012515] [2024-10-11 17:14:59,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,821 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-11 17:14:59,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-11 17:14:59,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,848 INFO L124 PetriNetUnfolderBase]: 4/110 cut-off events. [2024-10-11 17:14:59,849 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:14:59,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 110 events. 4/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 3 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 65. Up to 14 conditions per place. [2024-10-11 17:14:59,849 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 10 selfloop transitions, 1 changer transitions 0/100 dead transitions. [2024-10-11 17:14:59,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 100 transitions, 230 flow [2024-10-11 17:14:59,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-10-11 17:14:59,851 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8198198198198198 [2024-10-11 17:14:59,851 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 212 flow. Second operand 3 states and 364 transitions. [2024-10-11 17:14:59,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 100 transitions, 230 flow [2024-10-11 17:14:59,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 100 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:59,853 INFO L231 Difference]: Finished difference. Result has 104 places, 100 transitions, 206 flow [2024-10-11 17:14:59,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=104, PETRI_TRANSITIONS=100} [2024-10-11 17:14:59,855 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -26 predicate places. [2024-10-11 17:14:59,856 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 100 transitions, 206 flow [2024-10-11 17:14:59,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:59,856 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:59,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:14:59,856 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-10-11 17:14:59,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:59,857 INFO L85 PathProgramCache]: Analyzing trace with hash -741924540, now seen corresponding path program 1 times [2024-10-11 17:14:59,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:59,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883882082] [2024-10-11 17:14:59,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:59,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:59,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:59,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883882082] [2024-10-11 17:14:59,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883882082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:59,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:59,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:59,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551317065] [2024-10-11 17:14:59,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:59,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:59,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:59,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:59,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:59,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 148 [2024-10-11 17:14:59,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 100 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:59,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 148 [2024-10-11 17:14:59,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:59,954 INFO L124 PetriNetUnfolderBase]: 4/108 cut-off events. [2024-10-11 17:14:59,954 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:14:59,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 108 events. 4/108 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 3 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 112. Up to 14 conditions per place. [2024-10-11 17:14:59,955 INFO L140 encePairwiseOnDemand]: 145/148 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2024-10-11 17:14:59,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 98 transitions, 222 flow [2024-10-11 17:14:59,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:59,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-10-11 17:14:59,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2024-10-11 17:14:59,956 INFO L175 Difference]: Start difference. First operand has 104 places, 100 transitions, 206 flow. Second operand 3 states and 363 transitions. [2024-10-11 17:14:59,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 98 transitions, 222 flow [2024-10-11 17:14:59,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 98 transitions, 221 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:14:59,957 INFO L231 Difference]: Finished difference. Result has 103 places, 0 transitions, 0 flow [2024-10-11 17:14:59,957 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=103, PETRI_TRANSITIONS=0} [2024-10-11 17:14:59,958 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -27 predicate places. [2024-10-11 17:14:59,958 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 0 transitions, 0 flow [2024-10-11 17:14:59,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:59,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (43 of 44 remaining) [2024-10-11 17:14:59,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining) [2024-10-11 17:14:59,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining) [2024-10-11 17:14:59,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining) [2024-10-11 17:14:59,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining) [2024-10-11 17:14:59,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining) [2024-10-11 17:14:59,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (37 of 44 remaining) [2024-10-11 17:14:59,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining) [2024-10-11 17:14:59,962 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining) [2024-10-11 17:14:59,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining) [2024-10-11 17:14:59,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining) [2024-10-11 17:14:59,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining) [2024-10-11 17:14:59,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining) [2024-10-11 17:14:59,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining) [2024-10-11 17:14:59,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining) [2024-10-11 17:14:59,963 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining) [2024-10-11 17:14:59,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining) [2024-10-11 17:14:59,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining) [2024-10-11 17:14:59,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining) [2024-10-11 17:14:59,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining) [2024-10-11 17:14:59,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining) [2024-10-11 17:14:59,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining) [2024-10-11 17:14:59,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining) [2024-10-11 17:14:59,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining) [2024-10-11 17:14:59,967 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining) [2024-10-11 17:14:59,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:14:59,967 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:59,972 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:14:59,973 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:14:59,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:14:59 BasicIcfg [2024-10-11 17:14:59,977 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:14:59,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:14:59,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:14:59,978 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:14:59,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:58" (3/4) ... [2024-10-11 17:14:59,983 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:14:59,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:14:59,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 17:14:59,993 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-11 17:14:59,997 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:14:59,997 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:14:59,998 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:15:00,094 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:15:00,095 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:15:00,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:15:00,095 INFO L158 Benchmark]: Toolchain (without parser) took 2558.80ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 96.5MB in the beginning and 175.1MB in the end (delta: -78.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:15:00,096 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:15:00,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.98ms. Allocated memory is still 167.8MB. Free memory was 96.2MB in the beginning and 134.8MB in the end (delta: -38.6MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.55ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 132.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,096 INFO L158 Benchmark]: Boogie Preprocessor took 22.19ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 131.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,096 INFO L158 Benchmark]: RCFGBuilder took 747.27ms. Allocated memory is still 167.8MB. Free memory was 131.7MB in the beginning and 61.4MB in the end (delta: 70.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,097 INFO L158 Benchmark]: TraceAbstraction took 1350.43ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 61.4MB in the beginning and 180.9MB in the end (delta: -119.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:15:00,097 INFO L158 Benchmark]: Witness Printer took 117.19ms. Allocated memory is still 241.2MB. Free memory was 180.9MB in the beginning and 175.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 17:15:00,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.98ms. Allocated memory is still 167.8MB. Free memory was 96.2MB in the beginning and 134.8MB in the end (delta: -38.6MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.55ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 132.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.19ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 131.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.27ms. Allocated memory is still 167.8MB. Free memory was 131.7MB in the beginning and 61.4MB in the end (delta: 70.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1350.43ms. Allocated memory was 167.8MB in the beginning and 241.2MB in the end (delta: 73.4MB). Free memory was 61.4MB in the beginning and 180.9MB in the end (delta: -119.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.19ms. Allocated memory is still 241.2MB. Free memory was 180.9MB in the beginning and 175.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 174 locations, 44 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 39 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:15:00,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE