./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-simpl-str-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:58:03,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:58:03,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:58:03,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:58:03,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:58:03,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:58:03,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:58:03,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:58:03,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:58:03,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:58:03,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:58:03,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:58:03,696 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:58:03,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:58:03,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:58:03,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:58:03,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:58:03,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:58:03,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:58:03,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:58:03,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:58:03,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:58:03,700 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:58:03,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:58:03,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:58:03,701 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:58:03,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:58:03,701 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:58:03,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:58:03,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:58:03,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:58:03,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:58:03,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:58:03,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:58:03,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:58:03,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:58:03,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:58:03,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:58:03,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:58:03,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:58:03,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:58:03,706 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7b74cf7a2419cab3ab4545eb4bb4cb738b0dd565da7b17a0ca0e4253475f1b6 [2024-10-13 09:58:04,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:58:04,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:58:04,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:58:04,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:58:04,037 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:58:04,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c [2024-10-13 09:58:05,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:58:05,594 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:58:05,595 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-simpl-str-trans.wvr.c [2024-10-13 09:58:05,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918c69ef3/7bd7393fe73f4fa6bb11dde55355a3f7/FLAGc0f2efc81 [2024-10-13 09:58:05,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918c69ef3/7bd7393fe73f4fa6bb11dde55355a3f7 [2024-10-13 09:58:05,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:58:05,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:58:05,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:58:05,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:58:05,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:58:05,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:05,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38dabce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05, skipping insertion in model container [2024-10-13 09:58:05,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:05,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:58:05,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:58:05,864 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:58:05,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:58:05,903 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:58:05,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05 WrapperNode [2024-10-13 09:58:05,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:58:05,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:58:05,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:58:05,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:58:05,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:05,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:05,970 INFO L138 Inliner]: procedures = 22, calls = 16, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 235 [2024-10-13 09:58:05,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:58:05,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:58:05,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:58:05,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:58:06,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:06,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:06,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:06,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:06,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:06,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:06,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:06,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:06,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:58:06,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:58:06,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:58:06,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:58:06,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (1/1) ... [2024-10-13 09:58:06,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:58:06,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:58:06,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:58:06,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:58:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:58:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 09:58:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 09:58:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 09:58:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 09:58:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 09:58:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 09:58:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:58:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:58:06,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:58:06,130 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:58:06,268 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:58:06,270 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:58:06,697 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:58:06,698 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:58:06,726 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:58:06,727 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:58:06,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:58:06 BoogieIcfgContainer [2024-10-13 09:58:06,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:58:06,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:58:06,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:58:06,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:58:06,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:58:05" (1/3) ... [2024-10-13 09:58:06,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f54cbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:58:06, skipping insertion in model container [2024-10-13 09:58:06,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:58:05" (2/3) ... [2024-10-13 09:58:06,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f54cbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:58:06, skipping insertion in model container [2024-10-13 09:58:06,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:58:06" (3/3) ... [2024-10-13 09:58:06,734 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c [2024-10-13 09:58:06,748 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:58:06,748 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2024-10-13 09:58:06,748 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:58:06,869 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-13 09:58:06,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 316 transitions, 653 flow [2024-10-13 09:58:07,042 INFO L124 PetriNetUnfolderBase]: 15/313 cut-off events. [2024-10-13 09:58:07,043 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 09:58:07,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 313 events. 15/313 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 739 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 215. Up to 2 conditions per place. [2024-10-13 09:58:07,053 INFO L82 GeneralOperation]: Start removeDead. Operand has 311 places, 316 transitions, 653 flow [2024-10-13 09:58:07,062 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 289 places, 292 transitions, 602 flow [2024-10-13 09:58:07,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:58:07,086 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;@6d5f8ccf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:58:07,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2024-10-13 09:58:07,092 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:58:07,094 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-10-13 09:58:07,094 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:58:07,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:07,095 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:07,095 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:07,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:07,101 INFO L85 PathProgramCache]: Analyzing trace with hash -67802981, now seen corresponding path program 1 times [2024-10-13 09:58:07,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:07,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302460325] [2024-10-13 09:58:07,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:07,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:07,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:07,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302460325] [2024-10-13 09:58:07,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302460325] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:07,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:07,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:07,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271523285] [2024-10-13 09:58:07,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:07,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:07,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:07,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:07,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:07,382 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-10-13 09:58:07,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 292 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:07,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:07,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-10-13 09:58:07,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:07,544 INFO L124 PetriNetUnfolderBase]: 18/466 cut-off events. [2024-10-13 09:58:07,544 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-13 09:58:07,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 466 events. 18/466 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2026 event pairs, 5 based on Foata normal form. 18/414 useless extension candidates. Maximal degree in co-relation 386. Up to 22 conditions per place. [2024-10-13 09:58:07,555 INFO L140 encePairwiseOnDemand]: 307/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-10-13 09:58:07,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 285 transitions, 614 flow [2024-10-13 09:58:07,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:07,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 899 transitions. [2024-10-13 09:58:07,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9483122362869199 [2024-10-13 09:58:07,581 INFO L175 Difference]: Start difference. First operand has 289 places, 292 transitions, 602 flow. Second operand 3 states and 899 transitions. [2024-10-13 09:58:07,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 285 transitions, 614 flow [2024-10-13 09:58:07,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 285 transitions, 602 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-13 09:58:07,594 INFO L231 Difference]: Finished difference. Result has 284 places, 285 transitions, 580 flow [2024-10-13 09:58:07,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=284, PETRI_TRANSITIONS=285} [2024-10-13 09:58:07,599 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -5 predicate places. [2024-10-13 09:58:07,600 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 285 transitions, 580 flow [2024-10-13 09:58:07,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:07,602 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:07,602 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:07,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:58:07,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:07,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:07,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1671178864, now seen corresponding path program 1 times [2024-10-13 09:58:07,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:07,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161332054] [2024-10-13 09:58:07,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:07,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:07,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:07,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161332054] [2024-10-13 09:58:07,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161332054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:07,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:07,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:07,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930487629] [2024-10-13 09:58:07,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:07,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:07,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:07,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:07,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:07,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-10-13 09:58:07,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 285 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:07,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:07,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-10-13 09:58:07,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:07,797 INFO L124 PetriNetUnfolderBase]: 16/418 cut-off events. [2024-10-13 09:58:07,798 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-13 09:58:07,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 418 events. 16/418 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1709 event pairs, 5 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 417. Up to 22 conditions per place. [2024-10-13 09:58:07,808 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2024-10-13 09:58:07,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 284 transitions, 604 flow [2024-10-13 09:58:07,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-10-13 09:58:07,812 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-10-13 09:58:07,812 INFO L175 Difference]: Start difference. First operand has 284 places, 285 transitions, 580 flow. Second operand 3 states and 893 transitions. [2024-10-13 09:58:07,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 284 transitions, 604 flow [2024-10-13 09:58:07,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 284 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:07,821 INFO L231 Difference]: Finished difference. Result has 283 places, 284 transitions, 578 flow [2024-10-13 09:58:07,822 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=283, PETRI_TRANSITIONS=284} [2024-10-13 09:58:07,822 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -6 predicate places. [2024-10-13 09:58:07,823 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 284 transitions, 578 flow [2024-10-13 09:58:07,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:07,823 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:07,824 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:07,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:58:07,824 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:07,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:07,825 INFO L85 PathProgramCache]: Analyzing trace with hash 208543711, now seen corresponding path program 1 times [2024-10-13 09:58:07,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:07,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428608289] [2024-10-13 09:58:07,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:07,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:07,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:07,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428608289] [2024-10-13 09:58:07,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428608289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:07,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:07,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:07,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902362762] [2024-10-13 09:58:07,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:07,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:07,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:07,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:07,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:07,905 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 316 [2024-10-13 09:58:07,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 284 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:07,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:07,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 316 [2024-10-13 09:58:07,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:08,037 INFO L124 PetriNetUnfolderBase]: 33/686 cut-off events. [2024-10-13 09:58:08,040 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 09:58:08,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 686 events. 33/686 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3699 event pairs, 12 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 695. Up to 35 conditions per place. [2024-10-13 09:58:08,051 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 12 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-10-13 09:58:08,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 283 transitions, 604 flow [2024-10-13 09:58:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:08,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:08,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-10-13 09:58:08,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.939873417721519 [2024-10-13 09:58:08,056 INFO L175 Difference]: Start difference. First operand has 283 places, 284 transitions, 578 flow. Second operand 3 states and 891 transitions. [2024-10-13 09:58:08,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 283 transitions, 604 flow [2024-10-13 09:58:08,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 283 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:08,062 INFO L231 Difference]: Finished difference. Result has 282 places, 283 transitions, 576 flow [2024-10-13 09:58:08,062 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=282, PETRI_TRANSITIONS=283} [2024-10-13 09:58:08,063 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -7 predicate places. [2024-10-13 09:58:08,064 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 283 transitions, 576 flow [2024-10-13 09:58:08,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:08,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:08,065 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:08,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:58:08,066 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:08,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:08,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1053107671, now seen corresponding path program 1 times [2024-10-13 09:58:08,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:08,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146903508] [2024-10-13 09:58:08,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:08,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:08,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:08,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146903508] [2024-10-13 09:58:08,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146903508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:08,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:08,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:08,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914472853] [2024-10-13 09:58:08,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:08,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:08,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:08,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:08,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:08,177 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-10-13 09:58:08,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 283 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:08,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:08,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-10-13 09:58:08,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:08,265 INFO L124 PetriNetUnfolderBase]: 22/541 cut-off events. [2024-10-13 09:58:08,266 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-10-13 09:58:08,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 541 events. 22/541 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2512 event pairs, 7 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 529. Up to 25 conditions per place. [2024-10-13 09:58:08,274 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-10-13 09:58:08,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 282 transitions, 600 flow [2024-10-13 09:58:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:08,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-10-13 09:58:08,276 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-10-13 09:58:08,277 INFO L175 Difference]: Start difference. First operand has 282 places, 283 transitions, 576 flow. Second operand 3 states and 893 transitions. [2024-10-13 09:58:08,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 282 transitions, 600 flow [2024-10-13 09:58:08,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 282 transitions, 596 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:08,283 INFO L231 Difference]: Finished difference. Result has 281 places, 282 transitions, 574 flow [2024-10-13 09:58:08,284 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=574, PETRI_PLACES=281, PETRI_TRANSITIONS=282} [2024-10-13 09:58:08,286 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -8 predicate places. [2024-10-13 09:58:08,286 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 282 transitions, 574 flow [2024-10-13 09:58:08,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:08,287 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:08,287 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] [2024-10-13 09:58:08,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:58:08,287 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:08,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:08,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1357901507, now seen corresponding path program 1 times [2024-10-13 09:58:08,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:08,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506000230] [2024-10-13 09:58:08,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:08,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:08,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:08,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506000230] [2024-10-13 09:58:08,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506000230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:08,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:08,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:08,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044675437] [2024-10-13 09:58:08,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:08,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:08,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:08,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:08,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:08,406 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 316 [2024-10-13 09:58:08,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 282 transitions, 574 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:08,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:08,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 316 [2024-10-13 09:58:08,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:08,559 INFO L124 PetriNetUnfolderBase]: 43/725 cut-off events. [2024-10-13 09:58:08,560 INFO L125 PetriNetUnfolderBase]: For 13/17 co-relation queries the response was YES. [2024-10-13 09:58:08,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 725 events. 43/725 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3764 event pairs, 20 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 728. Up to 50 conditions per place. [2024-10-13 09:58:08,572 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 13 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-10-13 09:58:08,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 281 transitions, 602 flow [2024-10-13 09:58:08,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:08,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 889 transitions. [2024-10-13 09:58:08,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9377637130801688 [2024-10-13 09:58:08,576 INFO L175 Difference]: Start difference. First operand has 281 places, 282 transitions, 574 flow. Second operand 3 states and 889 transitions. [2024-10-13 09:58:08,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 281 transitions, 602 flow [2024-10-13 09:58:08,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 281 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:08,581 INFO L231 Difference]: Finished difference. Result has 280 places, 281 transitions, 572 flow [2024-10-13 09:58:08,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=280, PETRI_TRANSITIONS=281} [2024-10-13 09:58:08,583 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-10-13 09:58:08,583 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 281 transitions, 572 flow [2024-10-13 09:58:08,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:08,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:08,584 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:08,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:58:08,585 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:08,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:08,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1198956156, now seen corresponding path program 1 times [2024-10-13 09:58:08,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:08,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560042796] [2024-10-13 09:58:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:08,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:08,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:08,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:08,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560042796] [2024-10-13 09:58:08,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560042796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:08,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:08,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:08,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689192160] [2024-10-13 09:58:08,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:08,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:08,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:08,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:08,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:08,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 316 [2024-10-13 09:58:08,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 281 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:08,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:08,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 316 [2024-10-13 09:58:08,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:08,726 INFO L124 PetriNetUnfolderBase]: 16/353 cut-off events. [2024-10-13 09:58:08,726 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-10-13 09:58:08,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 353 events. 16/353 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1262 event pairs, 7 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 322. Up to 25 conditions per place. [2024-10-13 09:58:08,732 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-10-13 09:58:08,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 280 transitions, 596 flow [2024-10-13 09:58:08,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:08,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 893 transitions. [2024-10-13 09:58:08,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419831223628692 [2024-10-13 09:58:08,735 INFO L175 Difference]: Start difference. First operand has 280 places, 281 transitions, 572 flow. Second operand 3 states and 893 transitions. [2024-10-13 09:58:08,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 280 transitions, 596 flow [2024-10-13 09:58:08,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 280 transitions, 592 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:08,739 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 570 flow [2024-10-13 09:58:08,740 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2024-10-13 09:58:08,741 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-10-13 09:58:08,741 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 570 flow [2024-10-13 09:58:08,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:08,742 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:08,742 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] [2024-10-13 09:58:08,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 09:58:08,742 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:08,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:08,743 INFO L85 PathProgramCache]: Analyzing trace with hash -231153523, now seen corresponding path program 1 times [2024-10-13 09:58:08,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:08,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633957236] [2024-10-13 09:58:08,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:08,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:08,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:08,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633957236] [2024-10-13 09:58:08,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633957236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:08,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:08,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:08,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358581639] [2024-10-13 09:58:08,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:08,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:08,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:08,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:08,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:08,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-10-13 09:58:08,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:08,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:08,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-10-13 09:58:08,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:08,943 INFO L124 PetriNetUnfolderBase]: 33/699 cut-off events. [2024-10-13 09:58:08,943 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-13 09:58:08,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 699 events. 33/699 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3907 event pairs, 8 based on Foata normal form. 0/600 useless extension candidates. Maximal degree in co-relation 672. Up to 31 conditions per place. [2024-10-13 09:58:08,951 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 13 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-10-13 09:58:08,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 282 transitions, 606 flow [2024-10-13 09:58:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-10-13 09:58:08,953 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-10-13 09:58:08,954 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 570 flow. Second operand 3 states and 902 transitions. [2024-10-13 09:58:08,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 282 transitions, 606 flow [2024-10-13 09:58:08,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 282 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:08,959 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 576 flow [2024-10-13 09:58:08,960 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-10-13 09:58:08,961 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-10-13 09:58:08,961 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 576 flow [2024-10-13 09:58:08,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:08,962 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:08,962 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] [2024-10-13 09:58:08,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 09:58:08,963 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:08,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:08,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1461307220, now seen corresponding path program 1 times [2024-10-13 09:58:08,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:08,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177346404] [2024-10-13 09:58:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:09,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:09,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177346404] [2024-10-13 09:58:09,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177346404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:09,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:09,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:09,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958241170] [2024-10-13 09:58:09,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:09,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:09,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:09,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:09,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:09,029 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 316 [2024-10-13 09:58:09,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:09,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:09,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 316 [2024-10-13 09:58:09,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:09,192 INFO L124 PetriNetUnfolderBase]: 70/1041 cut-off events. [2024-10-13 09:58:09,193 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-13 09:58:09,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1148 conditions, 1041 events. 70/1041 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7322 event pairs, 10 based on Foata normal form. 0/897 useless extension candidates. Maximal degree in co-relation 1005. Up to 73 conditions per place. [2024-10-13 09:58:09,210 INFO L140 encePairwiseOnDemand]: 310/316 looper letters, 15 selfloop transitions, 3 changer transitions 0/282 dead transitions. [2024-10-13 09:58:09,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 282 transitions, 618 flow [2024-10-13 09:58:09,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:09,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 897 transitions. [2024-10-13 09:58:09,213 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9462025316455697 [2024-10-13 09:58:09,213 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 576 flow. Second operand 3 states and 897 transitions. [2024-10-13 09:58:09,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 282 transitions, 618 flow [2024-10-13 09:58:09,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 282 transitions, 618 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:58:09,217 INFO L231 Difference]: Finished difference. Result has 278 places, 280 transitions, 591 flow [2024-10-13 09:58:09,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=591, PETRI_PLACES=278, PETRI_TRANSITIONS=280} [2024-10-13 09:58:09,219 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-10-13 09:58:09,219 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 280 transitions, 591 flow [2024-10-13 09:58:09,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:09,220 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:09,220 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] [2024-10-13 09:58:09,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 09:58:09,221 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:09,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:09,222 INFO L85 PathProgramCache]: Analyzing trace with hash 15464438, now seen corresponding path program 1 times [2024-10-13 09:58:09,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:09,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841921971] [2024-10-13 09:58:09,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:09,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:09,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:09,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841921971] [2024-10-13 09:58:09,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841921971] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:09,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:09,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:09,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493221445] [2024-10-13 09:58:09,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:09,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:09,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:09,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:09,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:09,302 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-10-13 09:58:09,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 280 transitions, 591 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:09,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:09,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-10-13 09:58:09,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:09,448 INFO L124 PetriNetUnfolderBase]: 31/808 cut-off events. [2024-10-13 09:58:09,448 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2024-10-13 09:58:09,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 808 events. 31/808 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4380 event pairs, 2 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 723. Up to 38 conditions per place. [2024-10-13 09:58:09,460 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-10-13 09:58:09,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 285 transitions, 642 flow [2024-10-13 09:58:09,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-10-13 09:58:09,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9546413502109705 [2024-10-13 09:58:09,465 INFO L175 Difference]: Start difference. First operand has 278 places, 280 transitions, 591 flow. Second operand 3 states and 905 transitions. [2024-10-13 09:58:09,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 285 transitions, 642 flow [2024-10-13 09:58:09,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 285 transitions, 642 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:58:09,469 INFO L231 Difference]: Finished difference. Result has 279 places, 280 transitions, 601 flow [2024-10-13 09:58:09,470 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=601, PETRI_PLACES=279, PETRI_TRANSITIONS=280} [2024-10-13 09:58:09,471 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-10-13 09:58:09,472 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 280 transitions, 601 flow [2024-10-13 09:58:09,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:09,473 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:09,473 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] [2024-10-13 09:58:09,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 09:58:09,473 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:09,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:09,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1976446874, now seen corresponding path program 1 times [2024-10-13 09:58:09,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:09,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136208855] [2024-10-13 09:58:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:09,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:09,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136208855] [2024-10-13 09:58:09,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136208855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:09,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:09,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:09,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471224831] [2024-10-13 09:58:09,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:09,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:09,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:09,543 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-10-13 09:58:09,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 280 transitions, 601 flow. Second operand has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:09,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:09,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-10-13 09:58:09,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:09,709 INFO L124 PetriNetUnfolderBase]: 43/1127 cut-off events. [2024-10-13 09:58:09,709 INFO L125 PetriNetUnfolderBase]: For 9/21 co-relation queries the response was YES. [2024-10-13 09:58:09,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1245 conditions, 1127 events. 43/1127 cut-off events. For 9/21 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7426 event pairs, 6 based on Foata normal form. 1/1006 useless extension candidates. Maximal degree in co-relation 1087. Up to 64 conditions per place. [2024-10-13 09:58:09,728 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2024-10-13 09:58:09,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 285 transitions, 652 flow [2024-10-13 09:58:09,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-10-13 09:58:09,731 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9546413502109705 [2024-10-13 09:58:09,731 INFO L175 Difference]: Start difference. First operand has 279 places, 280 transitions, 601 flow. Second operand 3 states and 905 transitions. [2024-10-13 09:58:09,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 285 transitions, 652 flow [2024-10-13 09:58:09,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 285 transitions, 652 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:58:09,760 INFO L231 Difference]: Finished difference. Result has 280 places, 280 transitions, 611 flow [2024-10-13 09:58:09,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=611, PETRI_PLACES=280, PETRI_TRANSITIONS=280} [2024-10-13 09:58:09,761 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-10-13 09:58:09,761 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 280 transitions, 611 flow [2024-10-13 09:58:09,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.3333333333333) internal successors, (889), 3 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:09,762 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:09,762 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] [2024-10-13 09:58:09,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 09:58:09,762 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:09,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:09,763 INFO L85 PathProgramCache]: Analyzing trace with hash -713034984, now seen corresponding path program 1 times [2024-10-13 09:58:09,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:09,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701923183] [2024-10-13 09:58:09,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:09,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:09,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:09,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701923183] [2024-10-13 09:58:09,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701923183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:09,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:09,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:09,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310957032] [2024-10-13 09:58:09,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:09,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:09,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:09,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:09,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:09,837 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-10-13 09:58:09,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 280 transitions, 611 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:09,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:09,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-10-13 09:58:09,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:09,998 INFO L124 PetriNetUnfolderBase]: 38/965 cut-off events. [2024-10-13 09:58:09,998 INFO L125 PetriNetUnfolderBase]: For 6/35 co-relation queries the response was YES. [2024-10-13 09:58:10,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 965 events. 38/965 cut-off events. For 6/35 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5803 event pairs, 8 based on Foata normal form. 4/859 useless extension candidates. Maximal degree in co-relation 933. Up to 38 conditions per place. [2024-10-13 09:58:10,024 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-10-13 09:58:10,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 281 transitions, 641 flow [2024-10-13 09:58:10,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:10,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-10-13 09:58:10,027 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-10-13 09:58:10,027 INFO L175 Difference]: Start difference. First operand has 280 places, 280 transitions, 611 flow. Second operand 3 states and 902 transitions. [2024-10-13 09:58:10,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 281 transitions, 641 flow [2024-10-13 09:58:10,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 281 transitions, 641 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:58:10,032 INFO L231 Difference]: Finished difference. Result has 281 places, 279 transitions, 613 flow [2024-10-13 09:58:10,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=281, PETRI_TRANSITIONS=279} [2024-10-13 09:58:10,033 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -8 predicate places. [2024-10-13 09:58:10,034 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 279 transitions, 613 flow [2024-10-13 09:58:10,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:10,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:10,035 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] [2024-10-13 09:58:10,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 09:58:10,035 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:10,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:10,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1229713910, now seen corresponding path program 1 times [2024-10-13 09:58:10,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:10,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317724386] [2024-10-13 09:58:10,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:10,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:10,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:10,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317724386] [2024-10-13 09:58:10,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317724386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:10,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:10,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:10,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960668393] [2024-10-13 09:58:10,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:10,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:10,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:10,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:10,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:10,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 316 [2024-10-13 09:58:10,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 279 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:10,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:10,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 316 [2024-10-13 09:58:10,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:10,566 INFO L124 PetriNetUnfolderBase]: 240/3552 cut-off events. [2024-10-13 09:58:10,566 INFO L125 PetriNetUnfolderBase]: For 69/81 co-relation queries the response was YES. [2024-10-13 09:58:10,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4040 conditions, 3552 events. 240/3552 cut-off events. For 69/81 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 35374 event pairs, 60 based on Foata normal form. 1/3163 useless extension candidates. Maximal degree in co-relation 3454. Up to 331 conditions per place. [2024-10-13 09:58:10,602 INFO L140 encePairwiseOnDemand]: 308/316 looper letters, 17 selfloop transitions, 4 changer transitions 0/281 dead transitions. [2024-10-13 09:58:10,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 281 transitions, 661 flow [2024-10-13 09:58:10,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2024-10-13 09:58:10,606 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9409282700421941 [2024-10-13 09:58:10,606 INFO L175 Difference]: Start difference. First operand has 281 places, 279 transitions, 613 flow. Second operand 3 states and 892 transitions. [2024-10-13 09:58:10,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 281 transitions, 661 flow [2024-10-13 09:58:10,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 281 transitions, 657 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:10,613 INFO L231 Difference]: Finished difference. Result has 278 places, 279 transitions, 629 flow [2024-10-13 09:58:10,613 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=629, PETRI_PLACES=278, PETRI_TRANSITIONS=279} [2024-10-13 09:58:10,615 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-10-13 09:58:10,615 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 279 transitions, 629 flow [2024-10-13 09:58:10,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:10,617 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:10,617 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] [2024-10-13 09:58:10,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 09:58:10,618 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:10,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:10,619 INFO L85 PathProgramCache]: Analyzing trace with hash -559817681, now seen corresponding path program 1 times [2024-10-13 09:58:10,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:10,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040528230] [2024-10-13 09:58:10,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:10,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:10,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:10,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040528230] [2024-10-13 09:58:10,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040528230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:10,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:10,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:10,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515687733] [2024-10-13 09:58:10,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:10,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:10,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:10,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:10,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:10,690 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 316 [2024-10-13 09:58:10,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 279 transitions, 629 flow. Second operand has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:10,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:10,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 316 [2024-10-13 09:58:10,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:11,056 INFO L124 PetriNetUnfolderBase]: 115/2657 cut-off events. [2024-10-13 09:58:11,057 INFO L125 PetriNetUnfolderBase]: For 36/42 co-relation queries the response was YES. [2024-10-13 09:58:11,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2959 conditions, 2657 events. 115/2657 cut-off events. For 36/42 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 23788 event pairs, 14 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 2527. Up to 168 conditions per place. [2024-10-13 09:58:11,080 INFO L140 encePairwiseOnDemand]: 312/316 looper letters, 15 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-10-13 09:58:11,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 283 transitions, 675 flow [2024-10-13 09:58:11,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:11,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-10-13 09:58:11,083 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-10-13 09:58:11,083 INFO L175 Difference]: Start difference. First operand has 278 places, 279 transitions, 629 flow. Second operand 3 states and 904 transitions. [2024-10-13 09:58:11,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 283 transitions, 675 flow [2024-10-13 09:58:11,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 283 transitions, 675 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:58:11,089 INFO L231 Difference]: Finished difference. Result has 279 places, 279 transitions, 639 flow [2024-10-13 09:58:11,089 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=279, PETRI_TRANSITIONS=279} [2024-10-13 09:58:11,090 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-10-13 09:58:11,090 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 279 transitions, 639 flow [2024-10-13 09:58:11,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:11,091 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:11,091 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] [2024-10-13 09:58:11,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 09:58:11,092 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:11,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:11,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1045667757, now seen corresponding path program 1 times [2024-10-13 09:58:11,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:11,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284559455] [2024-10-13 09:58:11,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:11,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:11,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:11,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284559455] [2024-10-13 09:58:11,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284559455] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:11,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:11,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:11,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24652379] [2024-10-13 09:58:11,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:11,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:11,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:11,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:11,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:11,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-10-13 09:58:11,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 279 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:11,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:11,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-10-13 09:58:11,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:11,440 INFO L124 PetriNetUnfolderBase]: 108/2291 cut-off events. [2024-10-13 09:58:11,441 INFO L125 PetriNetUnfolderBase]: For 24/59 co-relation queries the response was YES. [2024-10-13 09:58:11,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 2291 events. 108/2291 cut-off events. For 24/59 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 19936 event pairs, 22 based on Foata normal form. 2/2086 useless extension candidates. Maximal degree in co-relation 2191. Up to 80 conditions per place. [2024-10-13 09:58:11,465 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-10-13 09:58:11,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 280 transitions, 669 flow [2024-10-13 09:58:11,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:11,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-10-13 09:58:11,467 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-10-13 09:58:11,467 INFO L175 Difference]: Start difference. First operand has 279 places, 279 transitions, 639 flow. Second operand 3 states and 902 transitions. [2024-10-13 09:58:11,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 280 transitions, 669 flow [2024-10-13 09:58:11,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 280 transitions, 669 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:58:11,473 INFO L231 Difference]: Finished difference. Result has 280 places, 278 transitions, 641 flow [2024-10-13 09:58:11,474 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=280, PETRI_TRANSITIONS=278} [2024-10-13 09:58:11,475 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -9 predicate places. [2024-10-13 09:58:11,475 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 278 transitions, 641 flow [2024-10-13 09:58:11,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 3 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:11,476 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:11,476 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:11,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 09:58:11,476 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:11,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:11,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1345187915, now seen corresponding path program 1 times [2024-10-13 09:58:11,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:11,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424600536] [2024-10-13 09:58:11,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:11,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:11,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:11,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424600536] [2024-10-13 09:58:11,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424600536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:11,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:11,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:11,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550951595] [2024-10-13 09:58:11,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:11,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:11,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:11,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:11,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:11,529 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 316 [2024-10-13 09:58:11,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 278 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:11,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:11,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 316 [2024-10-13 09:58:11,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:11,752 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([832] L55-25-->L55-26: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet12#1][179], [24#L55-26true, Black: 351#true, 338#(= |#race~length_2~0| 0), Black: 355#true, 359#true, 362#true, 66#L76true, Black: 332#true, 353#(= |#race~length_4~0| 0), 346#(= |#race~to_int_3~0| 0), Black: 336#true, 334#(= |#race~length_0~0| 0), Black: 340#true, Black: 344#true, 357#(= |#race~to_int_5~0| 0), 342#(= |#race~to_int_1~0| 0)]) [2024-10-13 09:58:11,752 INFO L294 olderBase$Statistics]: this new event has 187 ancestors and is not cut-off event [2024-10-13 09:58:11,752 INFO L297 olderBase$Statistics]: existing Event has 215 ancestors and is not cut-off event [2024-10-13 09:58:11,752 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2024-10-13 09:58:11,752 INFO L297 olderBase$Statistics]: existing Event has 187 ancestors and is not cut-off event [2024-10-13 09:58:11,755 INFO L124 PetriNetUnfolderBase]: 136/1683 cut-off events. [2024-10-13 09:58:11,755 INFO L125 PetriNetUnfolderBase]: For 87/114 co-relation queries the response was YES. [2024-10-13 09:58:11,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2156 conditions, 1683 events. 136/1683 cut-off events. For 87/114 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 13916 event pairs, 36 based on Foata normal form. 1/1548 useless extension candidates. Maximal degree in co-relation 1861. Up to 160 conditions per place. [2024-10-13 09:58:11,771 INFO L140 encePairwiseOnDemand]: 313/316 looper letters, 11 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2024-10-13 09:58:11,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 279 transitions, 671 flow [2024-10-13 09:58:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:11,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 902 transitions. [2024-10-13 09:58:11,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9514767932489452 [2024-10-13 09:58:11,774 INFO L175 Difference]: Start difference. First operand has 280 places, 278 transitions, 641 flow. Second operand 3 states and 902 transitions. [2024-10-13 09:58:11,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 279 transitions, 671 flow [2024-10-13 09:58:11,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 279 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:11,779 INFO L231 Difference]: Finished difference. Result has 279 places, 277 transitions, 639 flow [2024-10-13 09:58:11,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=279, PETRI_TRANSITIONS=277} [2024-10-13 09:58:11,780 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -10 predicate places. [2024-10-13 09:58:11,781 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 277 transitions, 639 flow [2024-10-13 09:58:11,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:11,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:11,782 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:11,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 09:58:11,782 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:11,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:11,783 INFO L85 PathProgramCache]: Analyzing trace with hash 2048670741, now seen corresponding path program 1 times [2024-10-13 09:58:11,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:11,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128567708] [2024-10-13 09:58:11,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:11,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:11,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:11,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128567708] [2024-10-13 09:58:11,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128567708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:11,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:11,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:11,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124017029] [2024-10-13 09:58:11,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:11,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:11,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:11,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:11,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:11,851 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-10-13 09:58:11,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 277 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:11,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:11,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-10-13 09:58:11,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:12,142 INFO L124 PetriNetUnfolderBase]: 73/1997 cut-off events. [2024-10-13 09:58:12,142 INFO L125 PetriNetUnfolderBase]: For 8/20 co-relation queries the response was YES. [2024-10-13 09:58:12,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 1997 events. 73/1997 cut-off events. For 8/20 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 16182 event pairs, 4 based on Foata normal form. 0/1858 useless extension candidates. Maximal degree in co-relation 1998. Up to 66 conditions per place. [2024-10-13 09:58:12,160 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 8 selfloop transitions, 1 changer transitions 0/276 dead transitions. [2024-10-13 09:58:12,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 276 transitions, 655 flow [2024-10-13 09:58:12,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:12,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-10-13 09:58:12,163 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-10-13 09:58:12,163 INFO L175 Difference]: Start difference. First operand has 279 places, 277 transitions, 639 flow. Second operand 3 states and 904 transitions. [2024-10-13 09:58:12,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 276 transitions, 655 flow [2024-10-13 09:58:12,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 276 transitions, 651 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:12,169 INFO L231 Difference]: Finished difference. Result has 278 places, 276 transitions, 635 flow [2024-10-13 09:58:12,170 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=635, PETRI_PLACES=278, PETRI_TRANSITIONS=276} [2024-10-13 09:58:12,170 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-10-13 09:58:12,170 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 276 transitions, 635 flow [2024-10-13 09:58:12,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:12,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:12,171 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:12,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 09:58:12,172 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:12,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:12,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1221589917, now seen corresponding path program 1 times [2024-10-13 09:58:12,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:12,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340048110] [2024-10-13 09:58:12,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:12,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:12,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:12,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340048110] [2024-10-13 09:58:12,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340048110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:12,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:12,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:12,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789753203] [2024-10-13 09:58:12,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:12,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:12,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:12,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:12,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:12,236 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-10-13 09:58:12,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 276 transitions, 635 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:12,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:12,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-10-13 09:58:12,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:12,512 INFO L124 PetriNetUnfolderBase]: 70/2132 cut-off events. [2024-10-13 09:58:12,513 INFO L125 PetriNetUnfolderBase]: For 8/22 co-relation queries the response was YES. [2024-10-13 09:58:12,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2431 conditions, 2132 events. 70/2132 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 17559 event pairs, 11 based on Foata normal form. 0/1985 useless extension candidates. Maximal degree in co-relation 2327. Up to 67 conditions per place. [2024-10-13 09:58:12,536 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 8 selfloop transitions, 1 changer transitions 0/275 dead transitions. [2024-10-13 09:58:12,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 275 transitions, 651 flow [2024-10-13 09:58:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 904 transitions. [2024-10-13 09:58:12,539 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9535864978902954 [2024-10-13 09:58:12,539 INFO L175 Difference]: Start difference. First operand has 278 places, 276 transitions, 635 flow. Second operand 3 states and 904 transitions. [2024-10-13 09:58:12,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 275 transitions, 651 flow [2024-10-13 09:58:12,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 275 transitions, 650 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:58:12,544 INFO L231 Difference]: Finished difference. Result has 278 places, 275 transitions, 634 flow [2024-10-13 09:58:12,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=278, PETRI_TRANSITIONS=275} [2024-10-13 09:58:12,544 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-10-13 09:58:12,545 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 275 transitions, 634 flow [2024-10-13 09:58:12,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:12,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:12,546 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:12,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 09:58:12,546 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2024-10-13 09:58:12,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:12,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1570093863, now seen corresponding path program 1 times [2024-10-13 09:58:12,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:12,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201493234] [2024-10-13 09:58:12,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:12,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:12,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:12,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201493234] [2024-10-13 09:58:12,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201493234] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:12,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:12,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:12,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215559789] [2024-10-13 09:58:12,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:12,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:12,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:12,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:12,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:12,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 316 [2024-10-13 09:58:12,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 275 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:12,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:12,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 316 [2024-10-13 09:58:12,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:12,766 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([836] L55-26-->L55-27: Formula: (= |v_#race~result_8~0_1| |v_thread3Thread1of1ForFork0_#t~nondet12#1_3|) InVars {thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} OutVars{#race~result_8~0=|v_#race~result_8~0_1|, thread3Thread1of1ForFork0_#t~nondet12#1=|v_thread3Thread1of1ForFork0_#t~nondet12#1_3|} AuxVars[] AssignedVars[#race~result_8~0][186], [368#true, Black: 351#true, 338#(= |#race~length_2~0| 0), Black: 355#true, 66#L76true, Black: 332#true, 353#(= |#race~length_4~0| 0), 346#(= |#race~to_int_3~0| 0), Black: 336#true, 334#(= |#race~length_0~0| 0), Black: 340#true, 357#(= |#race~to_int_5~0| 0), Black: 344#true, 371#true, 82#L55-27true, 342#(= |#race~to_int_1~0| 0)]) [2024-10-13 09:58:12,766 INFO L294 olderBase$Statistics]: this new event has 216 ancestors and is cut-off event [2024-10-13 09:58:12,766 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-10-13 09:58:12,766 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-10-13 09:58:12,767 INFO L297 olderBase$Statistics]: existing Event has 188 ancestors and is cut-off event [2024-10-13 09:58:12,768 INFO L124 PetriNetUnfolderBase]: 68/1501 cut-off events. [2024-10-13 09:58:12,768 INFO L125 PetriNetUnfolderBase]: For 21/36 co-relation queries the response was YES. [2024-10-13 09:58:12,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1771 conditions, 1501 events. 68/1501 cut-off events. For 21/36 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 11457 event pairs, 18 based on Foata normal form. 10/1395 useless extension candidates. Maximal degree in co-relation 1722. Up to 87 conditions per place. [2024-10-13 09:58:12,784 INFO L140 encePairwiseOnDemand]: 314/316 looper letters, 0 selfloop transitions, 0 changer transitions 274/274 dead transitions. [2024-10-13 09:58:12,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 274 transitions, 648 flow [2024-10-13 09:58:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 903 transitions. [2024-10-13 09:58:12,786 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9525316455696202 [2024-10-13 09:58:12,786 INFO L175 Difference]: Start difference. First operand has 278 places, 275 transitions, 634 flow. Second operand 3 states and 903 transitions. [2024-10-13 09:58:12,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 274 transitions, 648 flow [2024-10-13 09:58:12,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 274 transitions, 647 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:58:12,790 INFO L231 Difference]: Finished difference. Result has 278 places, 0 transitions, 0 flow [2024-10-13 09:58:12,790 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=631, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=278, PETRI_TRANSITIONS=0} [2024-10-13 09:58:12,790 INFO L277 CegarLoopForPetriNet]: 289 programPoint places, -11 predicate places. [2024-10-13 09:58:12,790 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 0 transitions, 0 flow [2024-10-13 09:58:12,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 3 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 09:58:12,793 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2024-10-13 09:58:12,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2024-10-13 09:58:12,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2024-10-13 09:58:12,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2024-10-13 09:58:12,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2024-10-13 09:58:12,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2024-10-13 09:58:12,794 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2024-10-13 09:58:12,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2024-10-13 09:58:12,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2024-10-13 09:58:12,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2024-10-13 09:58:12,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2024-10-13 09:58:12,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2024-10-13 09:58:12,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2024-10-13 09:58:12,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2024-10-13 09:58:12,795 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2024-10-13 09:58:12,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2024-10-13 09:58:12,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2024-10-13 09:58:12,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2024-10-13 09:58:12,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2024-10-13 09:58:12,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2024-10-13 09:58:12,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2024-10-13 09:58:12,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2024-10-13 09:58:12,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2024-10-13 09:58:12,796 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2024-10-13 09:58:12,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2024-10-13 09:58:12,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2024-10-13 09:58:12,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2024-10-13 09:58:12,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 48 remaining) [2024-10-13 09:58:12,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 48 remaining) [2024-10-13 09:58:12,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2024-10-13 09:58:12,797 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 48 remaining) [2024-10-13 09:58:12,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 48 remaining) [2024-10-13 09:58:12,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2024-10-13 09:58:12,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2024-10-13 09:58:12,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2024-10-13 09:58:12,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2024-10-13 09:58:12,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2024-10-13 09:58:12,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2024-10-13 09:58:12,798 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2024-10-13 09:58:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2024-10-13 09:58:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2024-10-13 09:58:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2024-10-13 09:58:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2024-10-13 09:58:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2024-10-13 09:58:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2024-10-13 09:58:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2024-10-13 09:58:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2024-10-13 09:58:12,799 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2024-10-13 09:58:12,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 09:58:12,800 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:12,806 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:58:12,807 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:58:12,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:58:12 BasicIcfg [2024-10-13 09:58:12,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:58:12,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:58:12,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:58:12,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:58:12,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:58:06" (3/4) ... [2024-10-13 09:58:12,814 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:58:12,817 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-13 09:58:12,817 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-13 09:58:12,817 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-13 09:58:12,823 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-13 09:58:12,823 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 09:58:12,824 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 09:58:12,824 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 09:58:12,908 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:58:12,909 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:58:12,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:58:12,909 INFO L158 Benchmark]: Toolchain (without parser) took 7284.10ms. Allocated memory was 169.9MB in the beginning and 398.5MB in the end (delta: 228.6MB). Free memory was 97.6MB in the beginning and 260.0MB in the end (delta: -162.4MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-10-13 09:58:12,910 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 169.9MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:58:12,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.47ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 84.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 09:58:12,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.20ms. Allocated memory is still 169.9MB. Free memory was 84.0MB in the beginning and 141.7MB in the end (delta: -57.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-13 09:58:12,910 INFO L158 Benchmark]: Boogie Preprocessor took 52.04ms. Allocated memory is still 169.9MB. Free memory was 141.7MB in the beginning and 139.9MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:58:12,911 INFO L158 Benchmark]: RCFGBuilder took 703.42ms. Allocated memory is still 169.9MB. Free memory was 139.9MB in the beginning and 115.6MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-13 09:58:12,911 INFO L158 Benchmark]: TraceAbstraction took 6082.04ms. Allocated memory was 169.9MB in the beginning and 398.5MB in the end (delta: 228.6MB). Free memory was 114.8MB in the beginning and 265.3MB in the end (delta: -150.5MB). Peak memory consumption was 233.8MB. Max. memory is 16.1GB. [2024-10-13 09:58:12,911 INFO L158 Benchmark]: Witness Printer took 96.82ms. Allocated memory is still 398.5MB. Free memory was 265.3MB in the beginning and 260.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:58:12,913 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 169.9MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.47ms. Allocated memory is still 169.9MB. Free memory was 97.4MB in the beginning and 84.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.20ms. Allocated memory is still 169.9MB. Free memory was 84.0MB in the beginning and 141.7MB in the end (delta: -57.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.04ms. Allocated memory is still 169.9MB. Free memory was 141.7MB in the beginning and 139.9MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 703.42ms. Allocated memory is still 169.9MB. Free memory was 139.9MB in the beginning and 115.6MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6082.04ms. Allocated memory was 169.9MB in the beginning and 398.5MB in the end (delta: 228.6MB). Free memory was 114.8MB in the beginning and 265.3MB in the end (delta: -150.5MB). Peak memory consumption was 233.8MB. Max. memory is 16.1GB. * Witness Printer took 96.82ms. Allocated memory is still 398.5MB. Free memory was 265.3MB in the beginning and 260.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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 7 procedures, 479 locations, 48 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: 5.9s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 480 IncrementalHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 74 mSDtfsCounter, 480 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=641occurred in iteration=14, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1469 NumberOfCodeBlocks, 1469 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1451 ConstructedInterpolants, 0 QuantifiedInterpolants, 1487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 27 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:58:12,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE