./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:50:38,724 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:50:38,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:50:38,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:50:38,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:50:38,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:50:38,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:50:38,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:50:38,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:50:38,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:50:38,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:50:38,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:50:38,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:50:38,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:50:38,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:50:38,801 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:50:38,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:50:38,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:50:38,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:50:38,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:50:38,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:50:38,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:50:38,807 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:50:38,807 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:50:38,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:50:38,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:50:38,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:50:38,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:50:38,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:50:38,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:50:38,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:50:38,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:50:38,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:50:38,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:50:38,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:50:38,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:50:38,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:50:38,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:50:38,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:50:38,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:50:38,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:50:38,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09d5acb2f81ee0994352651dad5f891cf0af6948836360f3240d2ea1a246e8a6 [2024-11-09 06:50:39,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:50:39,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:50:39,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:50:39,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:50:39,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:50:39,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2024-11-09 06:50:40,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:50:40,748 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:50:40,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_04-munge_nr.i [2024-11-09 06:50:40,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ef45120/b3895ea635e54ea18b6db6399b549551/FLAG4934b1d9c [2024-11-09 06:50:40,775 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ef45120/b3895ea635e54ea18b6db6399b549551 [2024-11-09 06:50:40,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:50:40,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:50:40,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:40,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:50:40,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:50:40,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:40" (1/1) ... [2024-11-09 06:50:40,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251b023d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:40, skipping insertion in model container [2024-11-09 06:50:40,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:40" (1/1) ... [2024-11-09 06:50:40,840 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:50:41,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:41,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:50:41,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:41,340 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:50:41,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41 WrapperNode [2024-11-09 06:50:41,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:41,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:41,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:50:41,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:50:41,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,420 INFO L138 Inliner]: procedures = 263, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-09 06:50:41,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:41,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:50:41,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:50:41,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:50:41,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:50:41,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:50:41,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:50:41,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:50:41,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (1/1) ... [2024-11-09 06:50:41,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:50:41,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:50:41,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:50:41,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:50:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:50:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:50:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:50:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 06:50:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 06:50:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:50:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:50:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:50:41,518 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:50:41,644 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:50:41,646 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:50:41,792 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:50:41,793 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:50:41,824 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:50:41,824 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:50:41,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:41 BoogieIcfgContainer [2024-11-09 06:50:41,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:50:41,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:50:41,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:50:41,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:50:41,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:50:40" (1/3) ... [2024-11-09 06:50:41,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a99a98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:41, skipping insertion in model container [2024-11-09 06:50:41,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:41" (2/3) ... [2024-11-09 06:50:41,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a99a98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:41, skipping insertion in model container [2024-11-09 06:50:41,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:41" (3/3) ... [2024-11-09 06:50:41,834 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_04-munge_nr.i [2024-11-09 06:50:41,853 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:50:41,854 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 06:50:41,854 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:50:41,906 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 06:50:41,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 64 transitions, 135 flow [2024-11-09 06:50:41,975 INFO L124 PetriNetUnfolderBase]: 0/63 cut-off events. [2024-11-09 06:50:41,976 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:50:41,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 0/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-09 06:50:41,979 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 64 transitions, 135 flow [2024-11-09 06:50:41,982 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 58 transitions, 119 flow [2024-11-09 06:50:41,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:50:41,994 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;@77d25e87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:50:41,995 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-09 06:50:42,002 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:50:42,002 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-09 06:50:42,003 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:50:42,003 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:42,003 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] [2024-11-09 06:50:42,004 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:42,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:42,008 INFO L85 PathProgramCache]: Analyzing trace with hash 511625068, now seen corresponding path program 1 times [2024-11-09 06:50:42,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:42,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412233080] [2024-11-09 06:50:42,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:42,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:42,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:42,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412233080] [2024-11-09 06:50:42,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412233080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:42,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:42,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:50:42,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484572735] [2024-11-09 06:50:42,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:42,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:50:42,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:42,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:50:42,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:50:42,257 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 64 [2024-11-09 06:50:42,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:42,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:42,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 64 [2024-11-09 06:50:42,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:42,323 INFO L124 PetriNetUnfolderBase]: 31/195 cut-off events. [2024-11-09 06:50:42,324 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:50:42,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 195 events. 31/195 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 807 event pairs, 13 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 256. Up to 44 conditions per place. [2024-11-09 06:50:42,327 INFO L140 encePairwiseOnDemand]: 56/64 looper letters, 17 selfloop transitions, 6 changer transitions 0/68 dead transitions. [2024-11-09 06:50:42,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 185 flow [2024-11-09 06:50:42,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:50:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:50:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 175 transitions. [2024-11-09 06:50:42,337 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9114583333333334 [2024-11-09 06:50:42,338 INFO L175 Difference]: Start difference. First operand has 62 places, 58 transitions, 119 flow. Second operand 3 states and 175 transitions. [2024-11-09 06:50:42,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 185 flow [2024-11-09 06:50:42,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 68 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:50:42,343 INFO L231 Difference]: Finished difference. Result has 65 places, 64 transitions, 170 flow [2024-11-09 06:50:42,344 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=65, PETRI_TRANSITIONS=64} [2024-11-09 06:50:42,347 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 3 predicate places. [2024-11-09 06:50:42,347 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 64 transitions, 170 flow [2024-11-09 06:50:42,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:42,347 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:42,347 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] [2024-11-09 06:50:42,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:50:42,348 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:42,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:42,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1442047057, now seen corresponding path program 1 times [2024-11-09 06:50:42,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:42,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858418481] [2024-11-09 06:50:42,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:42,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:42,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:42,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858418481] [2024-11-09 06:50:42,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858418481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:42,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:42,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:50:42,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667263277] [2024-11-09 06:50:42,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:42,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:50:42,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:42,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:50:42,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:50:42,411 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 64 [2024-11-09 06:50:42,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 64 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:42,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:42,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 64 [2024-11-09 06:50:42,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:42,489 INFO L124 PetriNetUnfolderBase]: 56/263 cut-off events. [2024-11-09 06:50:42,490 INFO L125 PetriNetUnfolderBase]: For 107/115 co-relation queries the response was YES. [2024-11-09 06:50:42,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 263 events. 56/263 cut-off events. For 107/115 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1284 event pairs, 30 based on Foata normal form. 4/250 useless extension candidates. Maximal degree in co-relation 476. Up to 108 conditions per place. [2024-11-09 06:50:42,493 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 18 selfloop transitions, 7 changer transitions 1/71 dead transitions. [2024-11-09 06:50:42,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 71 transitions, 246 flow [2024-11-09 06:50:42,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:50:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:50:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-11-09 06:50:42,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-11-09 06:50:42,496 INFO L175 Difference]: Start difference. First operand has 65 places, 64 transitions, 170 flow. Second operand 3 states and 166 transitions. [2024-11-09 06:50:42,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 71 transitions, 246 flow [2024-11-09 06:50:42,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 71 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:50:42,505 INFO L231 Difference]: Finished difference. Result has 67 places, 69 transitions, 214 flow [2024-11-09 06:50:42,506 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=67, PETRI_TRANSITIONS=69} [2024-11-09 06:50:42,508 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 5 predicate places. [2024-11-09 06:50:42,508 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 69 transitions, 214 flow [2024-11-09 06:50:42,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:42,508 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:42,508 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:50:42,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:50:42,509 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:42,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:42,510 INFO L85 PathProgramCache]: Analyzing trace with hash -118161824, now seen corresponding path program 1 times [2024-11-09 06:50:42,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:42,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786633908] [2024-11-09 06:50:42,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:42,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:42,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:42,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786633908] [2024-11-09 06:50:42,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786633908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:42,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:42,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:50:42,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803871718] [2024-11-09 06:50:42,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:42,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:50:42,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:42,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:50:42,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:50:42,596 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 64 [2024-11-09 06:50:42,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 69 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:42,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:42,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 64 [2024-11-09 06:50:42,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:42,646 INFO L124 PetriNetUnfolderBase]: 69/295 cut-off events. [2024-11-09 06:50:42,646 INFO L125 PetriNetUnfolderBase]: For 207/215 co-relation queries the response was YES. [2024-11-09 06:50:42,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 295 events. 69/295 cut-off events. For 207/215 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1435 event pairs, 30 based on Foata normal form. 2/281 useless extension candidates. Maximal degree in co-relation 617. Up to 125 conditions per place. [2024-11-09 06:50:42,649 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 17 selfloop transitions, 7 changer transitions 7/76 dead transitions. [2024-11-09 06:50:42,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 76 transitions, 300 flow [2024-11-09 06:50:42,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:50:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:50:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-11-09 06:50:42,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2024-11-09 06:50:42,651 INFO L175 Difference]: Start difference. First operand has 67 places, 69 transitions, 214 flow. Second operand 3 states and 166 transitions. [2024-11-09 06:50:42,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 76 transitions, 300 flow [2024-11-09 06:50:42,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:50:42,655 INFO L231 Difference]: Finished difference. Result has 69 places, 68 transitions, 232 flow [2024-11-09 06:50:42,656 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=69, PETRI_TRANSITIONS=68} [2024-11-09 06:50:42,657 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 7 predicate places. [2024-11-09 06:50:42,657 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 68 transitions, 232 flow [2024-11-09 06:50:42,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:42,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:42,658 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] [2024-11-09 06:50:42,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:50:42,658 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:42,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:42,659 INFO L85 PathProgramCache]: Analyzing trace with hash -175451875, now seen corresponding path program 1 times [2024-11-09 06:50:42,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:42,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814936302] [2024-11-09 06:50:42,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:42,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:42,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:42,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814936302] [2024-11-09 06:50:42,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814936302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:42,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:42,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:42,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919569697] [2024-11-09 06:50:42,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:42,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:42,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:42,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:42,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:43,015 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:43,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 68 transitions, 232 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:43,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:43,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:43,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:43,235 INFO L124 PetriNetUnfolderBase]: 72/423 cut-off events. [2024-11-09 06:50:43,236 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES. [2024-11-09 06:50:43,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 865 conditions, 423 events. 72/423 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2425 event pairs, 16 based on Foata normal form. 1/415 useless extension candidates. Maximal degree in co-relation 838. Up to 54 conditions per place. [2024-11-09 06:50:43,238 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 17 selfloop transitions, 14 changer transitions 21/104 dead transitions. [2024-11-09 06:50:43,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 104 transitions, 408 flow [2024-11-09 06:50:43,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:50:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 06:50:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 570 transitions. [2024-11-09 06:50:43,241 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8096590909090909 [2024-11-09 06:50:43,241 INFO L175 Difference]: Start difference. First operand has 69 places, 68 transitions, 232 flow. Second operand 11 states and 570 transitions. [2024-11-09 06:50:43,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 104 transitions, 408 flow [2024-11-09 06:50:43,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 104 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:50:43,245 INFO L231 Difference]: Finished difference. Result has 79 places, 74 transitions, 264 flow [2024-11-09 06:50:43,245 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=264, PETRI_PLACES=79, PETRI_TRANSITIONS=74} [2024-11-09 06:50:43,245 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 17 predicate places. [2024-11-09 06:50:43,245 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 74 transitions, 264 flow [2024-11-09 06:50:43,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:43,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:43,246 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] [2024-11-09 06:50:43,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:50:43,247 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:43,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:43,248 INFO L85 PathProgramCache]: Analyzing trace with hash -157100995, now seen corresponding path program 2 times [2024-11-09 06:50:43,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:43,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030971607] [2024-11-09 06:50:43,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:43,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:43,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:43,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030971607] [2024-11-09 06:50:43,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030971607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:43,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:43,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:43,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869912160] [2024-11-09 06:50:43,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:43,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:43,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:43,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:43,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:43,432 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:43,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 74 transitions, 264 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:43,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:43,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:43,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:43,622 INFO L124 PetriNetUnfolderBase]: 67/495 cut-off events. [2024-11-09 06:50:43,622 INFO L125 PetriNetUnfolderBase]: For 244/252 co-relation queries the response was YES. [2024-11-09 06:50:43,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 495 events. 67/495 cut-off events. For 244/252 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3206 event pairs, 9 based on Foata normal form. 9/490 useless extension candidates. Maximal degree in co-relation 1072. Up to 76 conditions per place. [2024-11-09 06:50:43,625 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 23 selfloop transitions, 18 changer transitions 7/100 dead transitions. [2024-11-09 06:50:43,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 100 transitions, 452 flow [2024-11-09 06:50:43,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:50:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 06:50:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 516 transitions. [2024-11-09 06:50:43,627 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.80625 [2024-11-09 06:50:43,627 INFO L175 Difference]: Start difference. First operand has 79 places, 74 transitions, 264 flow. Second operand 10 states and 516 transitions. [2024-11-09 06:50:43,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 100 transitions, 452 flow [2024-11-09 06:50:43,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 100 transitions, 446 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-09 06:50:43,634 INFO L231 Difference]: Finished difference. Result has 91 places, 83 transitions, 369 flow [2024-11-09 06:50:43,634 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=369, PETRI_PLACES=91, PETRI_TRANSITIONS=83} [2024-11-09 06:50:43,634 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 29 predicate places. [2024-11-09 06:50:43,635 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 83 transitions, 369 flow [2024-11-09 06:50:43,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:43,636 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:43,636 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] [2024-11-09 06:50:43,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:50:43,637 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:43,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:43,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1907650449, now seen corresponding path program 3 times [2024-11-09 06:50:43,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:43,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548814036] [2024-11-09 06:50:43,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:43,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:43,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:43,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548814036] [2024-11-09 06:50:43,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548814036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:43,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:43,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:43,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078970037] [2024-11-09 06:50:43,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:43,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:43,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:43,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:43,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:43,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:43,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 83 transitions, 369 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:43,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:43,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:43,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:44,039 INFO L124 PetriNetUnfolderBase]: 94/642 cut-off events. [2024-11-09 06:50:44,040 INFO L125 PetriNetUnfolderBase]: For 620/636 co-relation queries the response was YES. [2024-11-09 06:50:44,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1624 conditions, 642 events. 94/642 cut-off events. For 620/636 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4707 event pairs, 16 based on Foata normal form. 9/631 useless extension candidates. Maximal degree in co-relation 1598. Up to 102 conditions per place. [2024-11-09 06:50:44,043 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 22 selfloop transitions, 26 changer transitions 3/103 dead transitions. [2024-11-09 06:50:44,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 103 transitions, 577 flow [2024-11-09 06:50:44,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:50:44,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 06:50:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 559 transitions. [2024-11-09 06:50:44,045 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7940340909090909 [2024-11-09 06:50:44,045 INFO L175 Difference]: Start difference. First operand has 91 places, 83 transitions, 369 flow. Second operand 11 states and 559 transitions. [2024-11-09 06:50:44,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 103 transitions, 577 flow [2024-11-09 06:50:44,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 103 transitions, 553 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-09 06:50:44,050 INFO L231 Difference]: Finished difference. Result has 98 places, 92 transitions, 494 flow [2024-11-09 06:50:44,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=494, PETRI_PLACES=98, PETRI_TRANSITIONS=92} [2024-11-09 06:50:44,051 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 36 predicate places. [2024-11-09 06:50:44,051 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 92 transitions, 494 flow [2024-11-09 06:50:44,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:44,051 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:44,051 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] [2024-11-09 06:50:44,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:50:44,052 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:44,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:44,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1213033765, now seen corresponding path program 4 times [2024-11-09 06:50:44,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:44,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595385901] [2024-11-09 06:50:44,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:44,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:44,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:44,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:44,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595385901] [2024-11-09 06:50:44,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595385901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:44,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:44,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:44,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933291035] [2024-11-09 06:50:44,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:44,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:44,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:44,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:44,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:44,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:44,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 92 transitions, 494 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:44,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:44,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:44,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:44,391 INFO L124 PetriNetUnfolderBase]: 93/647 cut-off events. [2024-11-09 06:50:44,392 INFO L125 PetriNetUnfolderBase]: For 1040/1054 co-relation queries the response was YES. [2024-11-09 06:50:44,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1735 conditions, 647 events. 93/647 cut-off events. For 1040/1054 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4731 event pairs, 13 based on Foata normal form. 10/639 useless extension candidates. Maximal degree in co-relation 1699. Up to 104 conditions per place. [2024-11-09 06:50:44,394 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 26 selfloop transitions, 26 changer transitions 2/106 dead transitions. [2024-11-09 06:50:44,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 106 transitions, 669 flow [2024-11-09 06:50:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 06:50:44,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-09 06:50:44,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 568 transitions. [2024-11-09 06:50:44,396 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8068181818181818 [2024-11-09 06:50:44,396 INFO L175 Difference]: Start difference. First operand has 98 places, 92 transitions, 494 flow. Second operand 11 states and 568 transitions. [2024-11-09 06:50:44,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 106 transitions, 669 flow [2024-11-09 06:50:44,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 106 transitions, 651 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-09 06:50:44,399 INFO L231 Difference]: Finished difference. Result has 108 places, 96 transitions, 588 flow [2024-11-09 06:50:44,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=588, PETRI_PLACES=108, PETRI_TRANSITIONS=96} [2024-11-09 06:50:44,400 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 46 predicate places. [2024-11-09 06:50:44,400 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 96 transitions, 588 flow [2024-11-09 06:50:44,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:44,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:44,401 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] [2024-11-09 06:50:44,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:50:44,401 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:44,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:44,401 INFO L85 PathProgramCache]: Analyzing trace with hash -942049643, now seen corresponding path program 5 times [2024-11-09 06:50:44,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:44,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043459095] [2024-11-09 06:50:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:44,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:44,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:44,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043459095] [2024-11-09 06:50:44,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043459095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:44,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:44,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:44,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843547324] [2024-11-09 06:50:44,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:44,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:44,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:44,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:44,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:44,518 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:44,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 96 transitions, 588 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:44,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:44,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:44,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:44,683 INFO L124 PetriNetUnfolderBase]: 64/508 cut-off events. [2024-11-09 06:50:44,683 INFO L125 PetriNetUnfolderBase]: For 1096/1106 co-relation queries the response was YES. [2024-11-09 06:50:44,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1421 conditions, 508 events. 64/508 cut-off events. For 1096/1106 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3390 event pairs, 9 based on Foata normal form. 8/504 useless extension candidates. Maximal degree in co-relation 1381. Up to 80 conditions per place. [2024-11-09 06:50:44,685 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 22 selfloop transitions, 16 changer transitions 8/98 dead transitions. [2024-11-09 06:50:44,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 98 transitions, 645 flow [2024-11-09 06:50:44,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:50:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-09 06:50:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 514 transitions. [2024-11-09 06:50:44,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.803125 [2024-11-09 06:50:44,687 INFO L175 Difference]: Start difference. First operand has 108 places, 96 transitions, 588 flow. Second operand 10 states and 514 transitions. [2024-11-09 06:50:44,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 98 transitions, 645 flow [2024-11-09 06:50:44,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 98 transitions, 608 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-11-09 06:50:44,691 INFO L231 Difference]: Finished difference. Result has 111 places, 86 transitions, 471 flow [2024-11-09 06:50:44,691 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=471, PETRI_PLACES=111, PETRI_TRANSITIONS=86} [2024-11-09 06:50:44,692 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 49 predicate places. [2024-11-09 06:50:44,692 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 86 transitions, 471 flow [2024-11-09 06:50:44,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:44,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:44,693 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] [2024-11-09 06:50:44,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:50:44,693 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:44,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:44,693 INFO L85 PathProgramCache]: Analyzing trace with hash 768173201, now seen corresponding path program 6 times [2024-11-09 06:50:44,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:44,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900839684] [2024-11-09 06:50:44,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:44,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:44,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:44,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900839684] [2024-11-09 06:50:44,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900839684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:44,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:44,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:44,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482732760] [2024-11-09 06:50:44,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:44,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:44,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:44,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:44,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:44,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:44,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 86 transitions, 471 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:44,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:44,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:44,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:44,989 INFO L124 PetriNetUnfolderBase]: 60/468 cut-off events. [2024-11-09 06:50:44,989 INFO L125 PetriNetUnfolderBase]: For 952/964 co-relation queries the response was YES. [2024-11-09 06:50:44,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1317 conditions, 468 events. 60/468 cut-off events. For 952/964 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3015 event pairs, 13 based on Foata normal form. 10/465 useless extension candidates. Maximal degree in co-relation 1292. Up to 72 conditions per place. [2024-11-09 06:50:44,991 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 22 selfloop transitions, 17 changer transitions 12/103 dead transitions. [2024-11-09 06:50:44,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 103 transitions, 691 flow [2024-11-09 06:50:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:50:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 06:50:44,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 460 transitions. [2024-11-09 06:50:44,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7986111111111112 [2024-11-09 06:50:44,993 INFO L175 Difference]: Start difference. First operand has 111 places, 86 transitions, 471 flow. Second operand 9 states and 460 transitions. [2024-11-09 06:50:44,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 103 transitions, 691 flow [2024-11-09 06:50:44,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 103 transitions, 587 flow, removed 15 selfloop flow, removed 14 redundant places. [2024-11-09 06:50:44,996 INFO L231 Difference]: Finished difference. Result has 104 places, 84 transitions, 448 flow [2024-11-09 06:50:44,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=448, PETRI_PLACES=104, PETRI_TRANSITIONS=84} [2024-11-09 06:50:44,997 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 42 predicate places. [2024-11-09 06:50:44,997 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 84 transitions, 448 flow [2024-11-09 06:50:44,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:44,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:44,998 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] [2024-11-09 06:50:44,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:50:44,998 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:44,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:44,998 INFO L85 PathProgramCache]: Analyzing trace with hash -77072579, now seen corresponding path program 7 times [2024-11-09 06:50:44,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:44,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212740958] [2024-11-09 06:50:44,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:45,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:45,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212740958] [2024-11-09 06:50:45,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212740958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:45,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:45,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:45,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557804607] [2024-11-09 06:50:45,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:45,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:45,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:45,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:45,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:45,125 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:45,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 84 transitions, 448 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:45,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:45,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:45,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:45,253 INFO L124 PetriNetUnfolderBase]: 28/295 cut-off events. [2024-11-09 06:50:45,253 INFO L125 PetriNetUnfolderBase]: For 434/440 co-relation queries the response was YES. [2024-11-09 06:50:45,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 295 events. 28/295 cut-off events. For 434/440 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1524 event pairs, 5 based on Foata normal form. 5/294 useless extension candidates. Maximal degree in co-relation 758. Up to 44 conditions per place. [2024-11-09 06:50:45,254 INFO L140 encePairwiseOnDemand]: 54/64 looper letters, 14 selfloop transitions, 10 changer transitions 7/83 dead transitions. [2024-11-09 06:50:45,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 83 transitions, 465 flow [2024-11-09 06:50:45,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 06:50:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-09 06:50:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 455 transitions. [2024-11-09 06:50:45,256 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7899305555555556 [2024-11-09 06:50:45,256 INFO L175 Difference]: Start difference. First operand has 104 places, 84 transitions, 448 flow. Second operand 9 states and 455 transitions. [2024-11-09 06:50:45,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 83 transitions, 465 flow [2024-11-09 06:50:45,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 83 transitions, 408 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-09 06:50:45,259 INFO L231 Difference]: Finished difference. Result has 94 places, 72 transitions, 302 flow [2024-11-09 06:50:45,259 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=302, PETRI_PLACES=94, PETRI_TRANSITIONS=72} [2024-11-09 06:50:45,259 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 32 predicate places. [2024-11-09 06:50:45,260 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 72 transitions, 302 flow [2024-11-09 06:50:45,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:45,260 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:45,260 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] [2024-11-09 06:50:45,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:50:45,260 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:45,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:45,261 INFO L85 PathProgramCache]: Analyzing trace with hash -559732011, now seen corresponding path program 8 times [2024-11-09 06:50:45,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:45,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372738620] [2024-11-09 06:50:45,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:45,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:45,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:45,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372738620] [2024-11-09 06:50:45,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372738620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:45,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:45,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:45,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079037293] [2024-11-09 06:50:45,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:45,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:45,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:45,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:45,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:45,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:45,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 72 transitions, 302 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:45,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:45,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:45,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:45,513 INFO L124 PetriNetUnfolderBase]: 26/267 cut-off events. [2024-11-09 06:50:45,513 INFO L125 PetriNetUnfolderBase]: For 297/305 co-relation queries the response was YES. [2024-11-09 06:50:45,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 267 events. 26/267 cut-off events. For 297/305 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1288 event pairs, 3 based on Foata normal form. 7/266 useless extension candidates. Maximal degree in co-relation 648. Up to 38 conditions per place. [2024-11-09 06:50:45,514 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 10 selfloop transitions, 10 changer transitions 12/84 dead transitions. [2024-11-09 06:50:45,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 84 transitions, 431 flow [2024-11-09 06:50:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:50:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-09 06:50:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 408 transitions. [2024-11-09 06:50:45,516 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.796875 [2024-11-09 06:50:45,516 INFO L175 Difference]: Start difference. First operand has 94 places, 72 transitions, 302 flow. Second operand 8 states and 408 transitions. [2024-11-09 06:50:45,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 84 transitions, 431 flow [2024-11-09 06:50:45,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 84 transitions, 373 flow, removed 8 selfloop flow, removed 10 redundant places. [2024-11-09 06:50:45,519 INFO L231 Difference]: Finished difference. Result has 86 places, 70 transitions, 289 flow [2024-11-09 06:50:45,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=289, PETRI_PLACES=86, PETRI_TRANSITIONS=70} [2024-11-09 06:50:45,519 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 24 predicate places. [2024-11-09 06:50:45,519 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 70 transitions, 289 flow [2024-11-09 06:50:45,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:45,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:45,520 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] [2024-11-09 06:50:45,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:50:45,521 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:45,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:45,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1368144959, now seen corresponding path program 9 times [2024-11-09 06:50:45,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:45,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337881979] [2024-11-09 06:50:45,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:45,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:45,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:45,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337881979] [2024-11-09 06:50:45,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337881979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:45,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:45,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:45,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462975213] [2024-11-09 06:50:45,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:45,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:45,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:45,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:45,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:45,680 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:45,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 70 transitions, 289 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:45,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:45,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:45,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:45,804 INFO L124 PetriNetUnfolderBase]: 23/229 cut-off events. [2024-11-09 06:50:45,804 INFO L125 PetriNetUnfolderBase]: For 290/296 co-relation queries the response was YES. [2024-11-09 06:50:45,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 229 events. 23/229 cut-off events. For 290/296 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1040 event pairs, 4 based on Foata normal form. 4/227 useless extension candidates. Maximal degree in co-relation 549. Up to 32 conditions per place. [2024-11-09 06:50:45,805 INFO L140 encePairwiseOnDemand]: 53/64 looper letters, 8 selfloop transitions, 12 changer transitions 3/75 dead transitions. [2024-11-09 06:50:45,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 75 transitions, 353 flow [2024-11-09 06:50:45,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:50:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-09 06:50:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 400 transitions. [2024-11-09 06:50:45,809 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.78125 [2024-11-09 06:50:45,809 INFO L175 Difference]: Start difference. First operand has 86 places, 70 transitions, 289 flow. Second operand 8 states and 400 transitions. [2024-11-09 06:50:45,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 75 transitions, 353 flow [2024-11-09 06:50:45,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 75 transitions, 312 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-09 06:50:45,811 INFO L231 Difference]: Finished difference. Result has 83 places, 70 transitions, 280 flow [2024-11-09 06:50:45,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=280, PETRI_PLACES=83, PETRI_TRANSITIONS=70} [2024-11-09 06:50:45,814 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 21 predicate places. [2024-11-09 06:50:45,814 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 70 transitions, 280 flow [2024-11-09 06:50:45,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:45,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:45,814 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] [2024-11-09 06:50:45,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:50:45,815 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:45,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:45,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1169499965, now seen corresponding path program 10 times [2024-11-09 06:50:45,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:45,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465201392] [2024-11-09 06:50:45,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:45,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:45,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:45,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465201392] [2024-11-09 06:50:45,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465201392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:45,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:45,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 06:50:45,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139768916] [2024-11-09 06:50:45,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:45,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:50:45,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:45,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:50:45,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:50:45,956 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 64 [2024-11-09 06:50:45,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 70 transitions, 280 flow. Second operand has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:45,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:45,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 64 [2024-11-09 06:50:45,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:46,035 INFO L124 PetriNetUnfolderBase]: 5/72 cut-off events. [2024-11-09 06:50:46,036 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-09 06:50:46,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 72 events. 5/72 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 119 event pairs, 1 based on Foata normal form. 2/74 useless extension candidates. Maximal degree in co-relation 152. Up to 9 conditions per place. [2024-11-09 06:50:46,036 INFO L140 encePairwiseOnDemand]: 58/64 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-11-09 06:50:46,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 48 transitions, 193 flow [2024-11-09 06:50:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:50:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-09 06:50:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 345 transitions. [2024-11-09 06:50:46,037 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7700892857142857 [2024-11-09 06:50:46,038 INFO L175 Difference]: Start difference. First operand has 83 places, 70 transitions, 280 flow. Second operand 7 states and 345 transitions. [2024-11-09 06:50:46,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 48 transitions, 193 flow [2024-11-09 06:50:46,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 48 transitions, 149 flow, removed 8 selfloop flow, removed 11 redundant places. [2024-11-09 06:50:46,039 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2024-11-09 06:50:46,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=64, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2024-11-09 06:50:46,040 INFO L277 CegarLoopForPetriNet]: 62 programPoint places, 0 predicate places. [2024-11-09 06:50:46,040 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2024-11-09 06:50:46,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 48.42857142857143) internal successors, (339), 7 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:50:46,043 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-09 06:50:46,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-09 06:50:46,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-09 06:50:46,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-09 06:50:46,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-09 06:50:46,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-09 06:50:46,044 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-09 06:50:46,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:50:46,045 INFO L407 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1] [2024-11-09 06:50:46,052 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:50:46,053 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:50:46,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:50:46 BasicIcfg [2024-11-09 06:50:46,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:50:46,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:50:46,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:50:46,057 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:50:46,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:41" (3/4) ... [2024-11-09 06:50:46,059 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:50:46,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-09 06:50:46,064 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 06:50:46,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 06:50:46,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 06:50:46,123 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 06:50:46,125 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 06:50:46,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:50:46,125 INFO L158 Benchmark]: Toolchain (without parser) took 5346.94ms. Allocated memory was 153.1MB in the beginning and 283.1MB in the end (delta: 130.0MB). Free memory was 82.5MB in the beginning and 131.8MB in the end (delta: -49.3MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2024-11-09 06:50:46,126 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:50:46,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.10ms. Allocated memory is still 153.1MB. Free memory was 82.5MB in the beginning and 121.9MB in the end (delta: -39.4MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-11-09 06:50:46,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.58ms. Allocated memory is still 153.1MB. Free memory was 121.9MB in the beginning and 120.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:50:46,126 INFO L158 Benchmark]: Boogie Preprocessor took 23.55ms. Allocated memory is still 153.1MB. Free memory was 120.1MB in the beginning and 118.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:50:46,126 INFO L158 Benchmark]: RCFGBuilder took 380.17ms. Allocated memory is still 153.1MB. Free memory was 118.5MB in the beginning and 104.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:50:46,127 INFO L158 Benchmark]: TraceAbstraction took 4229.81ms. Allocated memory was 153.1MB in the beginning and 283.1MB in the end (delta: 130.0MB). Free memory was 103.3MB in the beginning and 136.0MB in the end (delta: -32.7MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2024-11-09 06:50:46,127 INFO L158 Benchmark]: Witness Printer took 67.86ms. Allocated memory is still 283.1MB. Free memory was 136.0MB in the beginning and 131.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:50:46,128 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 561.10ms. Allocated memory is still 153.1MB. Free memory was 82.5MB in the beginning and 121.9MB in the end (delta: -39.4MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.58ms. Allocated memory is still 153.1MB. Free memory was 121.9MB in the beginning and 120.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.55ms. Allocated memory is still 153.1MB. Free memory was 120.1MB in the beginning and 118.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.17ms. Allocated memory is still 153.1MB. Free memory was 118.5MB in the beginning and 104.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4229.81ms. Allocated memory was 153.1MB in the beginning and 283.1MB in the end (delta: 130.0MB). Free memory was 103.3MB in the beginning and 136.0MB in the end (delta: -32.7MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * Witness Printer took 67.86ms. Allocated memory is still 283.1MB. Free memory was 136.0MB in the beginning and 131.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 921]: 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 3 procedures, 88 locations, 7 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: 4.1s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 799 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 652 mSDsluCounter, 1153 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1004 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1699 IncrementalHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 149 mSDtfsCounter, 1699 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=588occurred in iteration=7, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 454 NumberOfCodeBlocks, 454 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 1017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:50:46,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE