./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.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 8d85985769788fe03edac99b0e2515850ec4c864737a042b27bc3e336515bcde --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:28:37,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:28:37,761 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:28:37,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:28:37,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:28:37,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:28:37,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:28:37,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:28:37,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:28:37,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:28:37,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:28:37,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:28:37,797 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:28:37,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:28:37,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:28:37,800 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:28:37,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:28:37,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:28:37,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:28:37,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:28:37,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:28:37,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:28:37,802 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:28:37,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:28:37,802 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:28:37,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:28:37,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:28:37,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:28:37,804 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:28:37,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:28:37,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:28:37,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:28:37,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:28:37,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:28:37,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:28:37,805 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:28:37,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:28:37,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:28:37,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:28:37,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:28:37,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:28:37,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d85985769788fe03edac99b0e2515850ec4c864737a042b27bc3e336515bcde [2024-11-10 14:28:37,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:28:38,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:28:38,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:28:38,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:28:38,012 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:28:38,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.i [2024-11-10 14:28:39,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:28:39,790 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:28:39,791 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.i [2024-11-10 14:28:39,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b08e498f/2eb529cbae624931b1b9e9b2bba8f990/FLAGeeee0be13 [2024-11-10 14:28:40,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b08e498f/2eb529cbae624931b1b9e9b2bba8f990 [2024-11-10 14:28:40,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:28:40,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:28:40,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:28:40,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:28:40,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:28:40,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307f4606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40, skipping insertion in model container [2024-11-10 14:28:40,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:28:40,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:28:40,617 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:28:40,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:28:40,708 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:28:40,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40 WrapperNode [2024-11-10 14:28:40,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:28:40,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:28:40,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:28:40,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:28:40,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,744 INFO L138 Inliner]: procedures = 261, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2024-11-10 14:28:40,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:28:40,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:28:40,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:28:40,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:28:40,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,755 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:28:40,759 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:28:40,759 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:28:40,760 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:28:40,760 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (1/1) ... [2024-11-10 14:28:40,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:28:40,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:40,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:28:40,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:28:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-10 14:28:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-10 14:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:28:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:28:40,872 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:28:41,062 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:28:41,063 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:28:41,157 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:28:41,157 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:28:41,186 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:28:41,186 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:28:41,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:28:41 BoogieIcfgContainer [2024-11-10 14:28:41,187 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:28:41,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:28:41,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:28:41,191 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:28:41,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:28:40" (1/3) ... [2024-11-10 14:28:41,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf34e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:28:41, skipping insertion in model container [2024-11-10 14:28:41,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:28:40" (2/3) ... [2024-11-10 14:28:41,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf34e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:28:41, skipping insertion in model container [2024-11-10 14:28:41,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:28:41" (3/3) ... [2024-11-10 14:28:41,193 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_44-malloc_sound.i [2024-11-10 14:28:41,206 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:28:41,206 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-10 14:28:41,207 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:28:41,244 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:28:41,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 93 transitions, 190 flow [2024-11-10 14:28:41,299 INFO L124 PetriNetUnfolderBase]: 4/92 cut-off events. [2024-11-10 14:28:41,299 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:41,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 92 events. 4/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 175 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2024-11-10 14:28:41,303 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 93 transitions, 190 flow [2024-11-10 14:28:41,306 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 92 transitions, 187 flow [2024-11-10 14:28:41,313 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:28:41,319 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;@3526b42b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:28:41,319 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-10 14:28:41,331 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:28:41,332 INFO L124 PetriNetUnfolderBase]: 1/35 cut-off events. [2024-11-10 14:28:41,332 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:41,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:41,333 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] [2024-11-10 14:28:41,333 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:41,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:41,337 INFO L85 PathProgramCache]: Analyzing trace with hash -660546092, now seen corresponding path program 1 times [2024-11-10 14:28:41,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:41,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224218224] [2024-11-10 14:28:41,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:41,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:41,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:41,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224218224] [2024-11-10 14:28:41,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224218224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:41,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:41,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:28:41,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175785300] [2024-11-10 14:28:41,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:41,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:28:41,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:41,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:28:41,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:28:41,536 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 93 [2024-11-10 14:28:41,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 92 transitions, 187 flow. Second operand has 2 states, 2 states have (on average 88.0) internal successors, (176), 2 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:41,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:41,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 93 [2024-11-10 14:28:41,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:41,600 INFO L124 PetriNetUnfolderBase]: 7/135 cut-off events. [2024-11-10 14:28:41,600 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:28:41,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 135 events. 7/135 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 335 event pairs, 4 based on Foata normal form. 1/116 useless extension candidates. Maximal degree in co-relation 107. Up to 14 conditions per place. [2024-11-10 14:28:41,603 INFO L140 encePairwiseOnDemand]: 92/93 looper letters, 5 selfloop transitions, 0 changer transitions 0/91 dead transitions. [2024-11-10 14:28:41,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 91 transitions, 195 flow [2024-11-10 14:28:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:28:41,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:28:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 180 transitions. [2024-11-10 14:28:41,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967741935483871 [2024-11-10 14:28:41,617 INFO L175 Difference]: Start difference. First operand has 92 places, 92 transitions, 187 flow. Second operand 2 states and 180 transitions. [2024-11-10 14:28:41,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 91 transitions, 195 flow [2024-11-10 14:28:41,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 91 transitions, 194 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:41,623 INFO L231 Difference]: Finished difference. Result has 92 places, 91 transitions, 184 flow [2024-11-10 14:28:41,625 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=184, PETRI_PLACES=92, PETRI_TRANSITIONS=91} [2024-11-10 14:28:41,629 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 0 predicate places. [2024-11-10 14:28:41,631 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 91 transitions, 184 flow [2024-11-10 14:28:41,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 88.0) internal successors, (176), 2 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:41,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:41,632 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] [2024-11-10 14:28:41,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:28:41,633 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:41,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:41,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1332931776, now seen corresponding path program 1 times [2024-11-10 14:28:41,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:41,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144072249] [2024-11-10 14:28:41,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:41,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:41,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:41,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144072249] [2024-11-10 14:28:41,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144072249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:41,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:41,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:28:41,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136086675] [2024-11-10 14:28:41,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:41,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:41,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:41,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:41,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:28:41,854 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-10 14:28:41,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 91 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:41,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:41,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-10 14:28:41,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:41,884 INFO L124 PetriNetUnfolderBase]: 9/167 cut-off events. [2024-11-10 14:28:41,884 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:41,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 167 events. 9/167 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 397 event pairs, 6 based on Foata normal form. 3/150 useless extension candidates. Maximal degree in co-relation 195. Up to 26 conditions per place. [2024-11-10 14:28:41,885 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 12 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2024-11-10 14:28:41,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 92 transitions, 214 flow [2024-11-10 14:28:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2024-11-10 14:28:41,888 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.910394265232975 [2024-11-10 14:28:41,888 INFO L175 Difference]: Start difference. First operand has 92 places, 91 transitions, 184 flow. Second operand 3 states and 254 transitions. [2024-11-10 14:28:41,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 92 transitions, 214 flow [2024-11-10 14:28:41,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 214 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:28:41,891 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 200 flow [2024-11-10 14:28:41,892 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2024-11-10 14:28:41,892 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 3 predicate places. [2024-11-10 14:28:41,892 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 200 flow [2024-11-10 14:28:41,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:41,893 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:41,893 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:41,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:28:41,894 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:41,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash -2105716136, now seen corresponding path program 1 times [2024-11-10 14:28:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:41,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050787656] [2024-11-10 14:28:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:41,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:42,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:42,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050787656] [2024-11-10 14:28:42,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050787656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:42,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485667429] [2024-11-10 14:28:42,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:42,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:42,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:42,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:42,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:28:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:42,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:42,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:28:42,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:42,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485667429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:42,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:42,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:42,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743111993] [2024-11-10 14:28:42,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:42,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:42,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:42,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:42,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:42,137 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 93 [2024-11-10 14:28:42,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:42,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:42,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 93 [2024-11-10 14:28:42,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:42,165 INFO L124 PetriNetUnfolderBase]: 15/173 cut-off events. [2024-11-10 14:28:42,165 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:28:42,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 173 events. 15/173 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 525 event pairs, 10 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 216. Up to 30 conditions per place. [2024-11-10 14:28:42,167 INFO L140 encePairwiseOnDemand]: 90/93 looper letters, 11 selfloop transitions, 1 changer transitions 0/92 dead transitions. [2024-11-10 14:28:42,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 92 transitions, 224 flow [2024-11-10 14:28:42,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2024-11-10 14:28:42,169 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.910394265232975 [2024-11-10 14:28:42,169 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 200 flow. Second operand 3 states and 254 transitions. [2024-11-10 14:28:42,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 92 transitions, 224 flow [2024-11-10 14:28:42,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:42,171 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 196 flow [2024-11-10 14:28:42,171 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=94, PETRI_TRANSITIONS=90} [2024-11-10 14:28:42,172 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 2 predicate places. [2024-11-10 14:28:42,172 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 196 flow [2024-11-10 14:28:42,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:42,172 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:42,172 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:42,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 14:28:42,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:42,374 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:42,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:42,376 INFO L85 PathProgramCache]: Analyzing trace with hash -854578592, now seen corresponding path program 1 times [2024-11-10 14:28:42,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:42,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24702203] [2024-11-10 14:28:42,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:42,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:42,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:42,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24702203] [2024-11-10 14:28:42,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24702203] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:42,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066477399] [2024-11-10 14:28:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:42,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:42,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:42,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:42,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:28:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:42,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:42,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:28:42,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:42,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066477399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:42,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:42,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:42,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167433535] [2024-11-10 14:28:42,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:42,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:42,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:42,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:42,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:42,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 93 [2024-11-10 14:28:42,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:42,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:42,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 93 [2024-11-10 14:28:42,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:42,605 INFO L124 PetriNetUnfolderBase]: 15/155 cut-off events. [2024-11-10 14:28:42,605 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:42,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 155 events. 15/155 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 423 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 198. Up to 30 conditions per place. [2024-11-10 14:28:42,606 INFO L140 encePairwiseOnDemand]: 90/93 looper letters, 11 selfloop transitions, 1 changer transitions 0/90 dead transitions. [2024-11-10 14:28:42,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 90 transitions, 220 flow [2024-11-10 14:28:42,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2024-11-10 14:28:42,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.910394265232975 [2024-11-10 14:28:42,611 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 196 flow. Second operand 3 states and 254 transitions. [2024-11-10 14:28:42,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 90 transitions, 220 flow [2024-11-10 14:28:42,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 90 transitions, 219 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:42,615 INFO L231 Difference]: Finished difference. Result has 93 places, 88 transitions, 193 flow [2024-11-10 14:28:42,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=93, PETRI_TRANSITIONS=88} [2024-11-10 14:28:42,615 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 1 predicate places. [2024-11-10 14:28:42,615 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 88 transitions, 193 flow [2024-11-10 14:28:42,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:42,616 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:42,616 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:42,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 14:28:42,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 14:28:42,824 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:42,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:42,825 INFO L85 PathProgramCache]: Analyzing trace with hash -522840350, now seen corresponding path program 1 times [2024-11-10 14:28:42,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:42,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747801039] [2024-11-10 14:28:42,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:42,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:42,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:42,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747801039] [2024-11-10 14:28:42,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747801039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:42,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502941018] [2024-11-10 14:28:42,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:42,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:42,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:42,922 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:42,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:28:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:42,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:42,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-10 14:28:43,011 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:43,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502941018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:43,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:43,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:43,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953187932] [2024-11-10 14:28:43,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:43,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:43,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:43,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:43,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:43,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-10 14:28:43,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 88 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:43,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:43,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-10 14:28:43,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:43,115 INFO L124 PetriNetUnfolderBase]: 18/204 cut-off events. [2024-11-10 14:28:43,115 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:28:43,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 204 events. 18/204 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 675 event pairs, 10 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 265. Up to 35 conditions per place. [2024-11-10 14:28:43,119 INFO L140 encePairwiseOnDemand]: 89/93 looper letters, 14 selfloop transitions, 3 changer transitions 0/92 dead transitions. [2024-11-10 14:28:43,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 92 transitions, 239 flow [2024-11-10 14:28:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:43,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:43,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2024-11-10 14:28:43,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9139784946236559 [2024-11-10 14:28:43,122 INFO L175 Difference]: Start difference. First operand has 93 places, 88 transitions, 193 flow. Second operand 3 states and 255 transitions. [2024-11-10 14:28:43,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 92 transitions, 239 flow [2024-11-10 14:28:43,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 92 transitions, 237 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:43,124 INFO L231 Difference]: Finished difference. Result has 94 places, 89 transitions, 208 flow [2024-11-10 14:28:43,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=94, PETRI_TRANSITIONS=89} [2024-11-10 14:28:43,130 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 2 predicate places. [2024-11-10 14:28:43,130 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 89 transitions, 208 flow [2024-11-10 14:28:43,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:43,131 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:43,131 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:43,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 14:28:43,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:43,332 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:43,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:43,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1001843748, now seen corresponding path program 1 times [2024-11-10 14:28:43,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:43,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827812321] [2024-11-10 14:28:43,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:43,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:43,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:43,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827812321] [2024-11-10 14:28:43,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827812321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:43,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130004769] [2024-11-10 14:28:43,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:43,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:43,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:43,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:43,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 14:28:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:43,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:43,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 14:28:43,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:43,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130004769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:43,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:43,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:43,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131928795] [2024-11-10 14:28:43,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:43,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:43,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:43,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:43,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:43,480 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-10 14:28:43,480 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 89 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:43,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:43,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-10 14:28:43,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:43,535 INFO L124 PetriNetUnfolderBase]: 28/298 cut-off events. [2024-11-10 14:28:43,535 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:43,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 298 events. 28/298 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1241 event pairs, 13 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 406. Up to 48 conditions per place. [2024-11-10 14:28:43,537 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 14 selfloop transitions, 4 changer transitions 0/94 dead transitions. [2024-11-10 14:28:43,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 94 transitions, 257 flow [2024-11-10 14:28:43,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2024-11-10 14:28:43,541 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9175627240143369 [2024-11-10 14:28:43,542 INFO L175 Difference]: Start difference. First operand has 94 places, 89 transitions, 208 flow. Second operand 3 states and 256 transitions. [2024-11-10 14:28:43,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 94 transitions, 257 flow [2024-11-10 14:28:43,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 94 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:43,543 INFO L231 Difference]: Finished difference. Result has 95 places, 91 transitions, 228 flow [2024-11-10 14:28:43,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2024-11-10 14:28:43,544 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 3 predicate places. [2024-11-10 14:28:43,548 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 228 flow [2024-11-10 14:28:43,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:43,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:43,549 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:43,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 14:28:43,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:43,749 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:43,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:43,750 INFO L85 PathProgramCache]: Analyzing trace with hash -2068931046, now seen corresponding path program 1 times [2024-11-10 14:28:43,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:43,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96910094] [2024-11-10 14:28:43,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:43,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:43,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:43,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96910094] [2024-11-10 14:28:43,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96910094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:43,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814266402] [2024-11-10 14:28:43,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:43,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:43,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:43,805 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:43,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 14:28:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:43,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:43,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:28:43,878 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:43,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814266402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:43,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:43,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:43,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660839700] [2024-11-10 14:28:43,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:43,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:43,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:43,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:43,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:43,897 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-10 14:28:43,897 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 91 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:43,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:43,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-10 14:28:43,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:43,941 INFO L124 PetriNetUnfolderBase]: 46/400 cut-off events. [2024-11-10 14:28:43,941 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:28:43,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 570 conditions, 400 events. 46/400 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2049 event pairs, 15 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 563. Up to 56 conditions per place. [2024-11-10 14:28:43,943 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 17 selfloop transitions, 6 changer transitions 0/101 dead transitions. [2024-11-10 14:28:43,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 101 transitions, 294 flow [2024-11-10 14:28:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:43,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 262 transitions. [2024-11-10 14:28:43,944 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390681003584229 [2024-11-10 14:28:43,944 INFO L175 Difference]: Start difference. First operand has 95 places, 91 transitions, 228 flow. Second operand 3 states and 262 transitions. [2024-11-10 14:28:43,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 101 transitions, 294 flow [2024-11-10 14:28:43,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 101 transitions, 290 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:43,946 INFO L231 Difference]: Finished difference. Result has 98 places, 97 transitions, 276 flow [2024-11-10 14:28:43,946 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=98, PETRI_TRANSITIONS=97} [2024-11-10 14:28:43,946 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 6 predicate places. [2024-11-10 14:28:43,947 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 97 transitions, 276 flow [2024-11-10 14:28:43,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:43,947 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:43,947 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:43,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 14:28:44,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:44,148 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:44,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:44,149 INFO L85 PathProgramCache]: Analyzing trace with hash 207598108, now seen corresponding path program 1 times [2024-11-10 14:28:44,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:44,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739131687] [2024-11-10 14:28:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:44,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:44,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:44,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:44,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739131687] [2024-11-10 14:28:44,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739131687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:44,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832744329] [2024-11-10 14:28:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:44,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:44,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:44,191 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:44,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 14:28:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:44,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:44,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:28:44,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:44,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832744329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:44,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:44,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82694065] [2024-11-10 14:28:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:44,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:44,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:44,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:44,264 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-10 14:28:44,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 97 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:44,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:44,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-10 14:28:44,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:44,300 INFO L124 PetriNetUnfolderBase]: 61/465 cut-off events. [2024-11-10 14:28:44,301 INFO L125 PetriNetUnfolderBase]: For 103/108 co-relation queries the response was YES. [2024-11-10 14:28:44,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 465 events. 61/465 cut-off events. For 103/108 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2575 event pairs, 23 based on Foata normal form. 3/448 useless extension candidates. Maximal degree in co-relation 764. Up to 103 conditions per place. [2024-11-10 14:28:44,303 INFO L140 encePairwiseOnDemand]: 87/93 looper letters, 16 selfloop transitions, 7 changer transitions 2/104 dead transitions. [2024-11-10 14:28:44,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 104 transitions, 348 flow [2024-11-10 14:28:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:44,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:44,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2024-11-10 14:28:44,304 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.921146953405018 [2024-11-10 14:28:44,304 INFO L175 Difference]: Start difference. First operand has 98 places, 97 transitions, 276 flow. Second operand 3 states and 257 transitions. [2024-11-10 14:28:44,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 104 transitions, 348 flow [2024-11-10 14:28:44,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 104 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:28:44,306 INFO L231 Difference]: Finished difference. Result has 100 places, 101 transitions, 316 flow [2024-11-10 14:28:44,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=100, PETRI_TRANSITIONS=101} [2024-11-10 14:28:44,307 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 8 predicate places. [2024-11-10 14:28:44,307 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 101 transitions, 316 flow [2024-11-10 14:28:44,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:44,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:44,307 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:44,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 14:28:44,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:44,508 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:44,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:44,508 INFO L85 PathProgramCache]: Analyzing trace with hash -56473765, now seen corresponding path program 1 times [2024-11-10 14:28:44,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:44,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794665077] [2024-11-10 14:28:44,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:44,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:44,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:44,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794665077] [2024-11-10 14:28:44,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794665077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:44,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365497898] [2024-11-10 14:28:44,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:44,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:44,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:44,598 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:44,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 14:28:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:44,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 14:28:44,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:28:44,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:28:44,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365497898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:44,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:28:44,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-10 14:28:44,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664924393] [2024-11-10 14:28:44,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:44,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:28:44,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:44,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:28:44,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:28:44,691 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2024-11-10 14:28:44,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 101 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:44,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:44,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2024-11-10 14:28:44,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:44,740 INFO L124 PetriNetUnfolderBase]: 79/525 cut-off events. [2024-11-10 14:28:44,740 INFO L125 PetriNetUnfolderBase]: For 227/234 co-relation queries the response was YES. [2024-11-10 14:28:44,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 968 conditions, 525 events. 79/525 cut-off events. For 227/234 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3032 event pairs, 27 based on Foata normal form. 2/509 useless extension candidates. Maximal degree in co-relation 959. Up to 128 conditions per place. [2024-11-10 14:28:44,742 INFO L140 encePairwiseOnDemand]: 87/93 looper letters, 17 selfloop transitions, 7 changer transitions 7/108 dead transitions. [2024-11-10 14:28:44,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 108 transitions, 402 flow [2024-11-10 14:28:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:28:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:28:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-11-10 14:28:44,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9068100358422939 [2024-11-10 14:28:44,744 INFO L175 Difference]: Start difference. First operand has 100 places, 101 transitions, 316 flow. Second operand 3 states and 253 transitions. [2024-11-10 14:28:44,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 108 transitions, 402 flow [2024-11-10 14:28:44,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 108 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:28:44,746 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 334 flow [2024-11-10 14:28:44,747 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2024-11-10 14:28:44,747 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 10 predicate places. [2024-11-10 14:28:44,747 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 334 flow [2024-11-10 14:28:44,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:44,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:44,748 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:44,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 14:28:44,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:44,952 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:44,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:44,953 INFO L85 PathProgramCache]: Analyzing trace with hash 248459131, now seen corresponding path program 1 times [2024-11-10 14:28:44,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:44,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932617892] [2024-11-10 14:28:44,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:44,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:45,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:45,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:45,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932617892] [2024-11-10 14:28:45,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932617892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:45,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700014267] [2024-11-10 14:28:45,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:45,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:45,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:45,025 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:45,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 14:28:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:45,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 14:28:45,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:45,129 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:28:45,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:28:45,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700014267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:28:45,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:28:45,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 14:28:45,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615928798] [2024-11-10 14:28:45,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:28:45,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:28:45,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:45,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:28:45,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:28:45,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 93 [2024-11-10 14:28:45,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 334 flow. Second operand has 10 states, 10 states have (on average 78.1) internal successors, (781), 10 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:45,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:45,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 93 [2024-11-10 14:28:45,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:45,284 INFO L124 PetriNetUnfolderBase]: 40/474 cut-off events. [2024-11-10 14:28:45,284 INFO L125 PetriNetUnfolderBase]: For 177/177 co-relation queries the response was YES. [2024-11-10 14:28:45,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 474 events. 40/474 cut-off events. For 177/177 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2398 event pairs, 12 based on Foata normal form. 7/469 useless extension candidates. Maximal degree in co-relation 839. Up to 54 conditions per place. [2024-11-10 14:28:45,285 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 15 selfloop transitions, 13 changer transitions 0/111 dead transitions. [2024-11-10 14:28:45,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 111 transitions, 418 flow [2024-11-10 14:28:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 14:28:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-10 14:28:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 868 transitions. [2024-11-10 14:28:45,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2024-11-10 14:28:45,287 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 334 flow. Second operand 11 states and 868 transitions. [2024-11-10 14:28:45,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 111 transitions, 418 flow [2024-11-10 14:28:45,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 111 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:28:45,290 INFO L231 Difference]: Finished difference. Result has 113 places, 109 transitions, 394 flow [2024-11-10 14:28:45,290 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=394, PETRI_PLACES=113, PETRI_TRANSITIONS=109} [2024-11-10 14:28:45,291 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 21 predicate places. [2024-11-10 14:28:45,291 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 109 transitions, 394 flow [2024-11-10 14:28:45,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 78.1) internal successors, (781), 10 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:45,291 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:45,291 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:45,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 14:28:45,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 14:28:45,492 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:45,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:45,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1208149785, now seen corresponding path program 2 times [2024-11-10 14:28:45,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:45,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614904174] [2024-11-10 14:28:45,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:45,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 14:28:45,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:45,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614904174] [2024-11-10 14:28:45,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614904174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:28:45,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:28:45,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:28:45,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138104975] [2024-11-10 14:28:45,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:28:45,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:28:45,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:45,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:28:45,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:28:45,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 93 [2024-11-10 14:28:45,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 109 transitions, 394 flow. Second operand has 5 states, 5 states have (on average 83.2) internal successors, (416), 5 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:45,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:45,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 93 [2024-11-10 14:28:45,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:45,755 INFO L124 PetriNetUnfolderBase]: 57/810 cut-off events. [2024-11-10 14:28:45,755 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2024-11-10 14:28:45,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1417 conditions, 810 events. 57/810 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 5345 event pairs, 15 based on Foata normal form. 2/792 useless extension candidates. Maximal degree in co-relation 1405. Up to 74 conditions per place. [2024-11-10 14:28:45,758 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 13 selfloop transitions, 11 changer transitions 8/131 dead transitions. [2024-11-10 14:28:45,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 131 transitions, 506 flow [2024-11-10 14:28:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:28:45,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 14:28:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 608 transitions. [2024-11-10 14:28:45,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9339477726574501 [2024-11-10 14:28:45,760 INFO L175 Difference]: Start difference. First operand has 113 places, 109 transitions, 394 flow. Second operand 7 states and 608 transitions. [2024-11-10 14:28:45,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 131 transitions, 506 flow [2024-11-10 14:28:45,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 131 transitions, 494 flow, removed 5 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:45,763 INFO L231 Difference]: Finished difference. Result has 120 places, 116 transitions, 431 flow [2024-11-10 14:28:45,763 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=431, PETRI_PLACES=120, PETRI_TRANSITIONS=116} [2024-11-10 14:28:45,763 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 28 predicate places. [2024-11-10 14:28:45,763 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 116 transitions, 431 flow [2024-11-10 14:28:45,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.2) internal successors, (416), 5 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:45,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:45,764 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:45,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:28:45,764 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:45,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:45,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2008966171, now seen corresponding path program 1 times [2024-11-10 14:28:45,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:45,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377855138] [2024-11-10 14:28:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:45,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 14:28:45,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:45,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377855138] [2024-11-10 14:28:45,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377855138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:45,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534842435] [2024-11-10 14:28:45,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:45,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:45,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:45,870 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:45,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 14:28:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:45,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 14:28:45,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 14:28:45,994 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:28:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 14:28:46,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534842435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:28:46,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:28:46,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-10 14:28:46,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26990436] [2024-11-10 14:28:46,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:28:46,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 14:28:46,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:46,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 14:28:46,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-10 14:28:46,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2024-11-10 14:28:46,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 116 transitions, 431 flow. Second operand has 14 states, 14 states have (on average 79.0) internal successors, (1106), 14 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:46,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:46,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2024-11-10 14:28:46,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:46,289 INFO L124 PetriNetUnfolderBase]: 58/776 cut-off events. [2024-11-10 14:28:46,289 INFO L125 PetriNetUnfolderBase]: For 345/351 co-relation queries the response was YES. [2024-11-10 14:28:46,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1475 conditions, 776 events. 58/776 cut-off events. For 345/351 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4507 event pairs, 14 based on Foata normal form. 14/771 useless extension candidates. Maximal degree in co-relation 1460. Up to 94 conditions per place. [2024-11-10 14:28:46,292 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 21 selfloop transitions, 20 changer transitions 0/129 dead transitions. [2024-11-10 14:28:46,292 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 129 transitions, 571 flow [2024-11-10 14:28:46,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 14:28:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 14:28:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1349 transitions. [2024-11-10 14:28:46,294 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8532574320050601 [2024-11-10 14:28:46,294 INFO L175 Difference]: Start difference. First operand has 120 places, 116 transitions, 431 flow. Second operand 17 states and 1349 transitions. [2024-11-10 14:28:46,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 129 transitions, 571 flow [2024-11-10 14:28:46,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 129 transitions, 569 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-10 14:28:46,298 INFO L231 Difference]: Finished difference. Result has 139 places, 128 transitions, 562 flow [2024-11-10 14:28:46,298 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=562, PETRI_PLACES=139, PETRI_TRANSITIONS=128} [2024-11-10 14:28:46,298 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 47 predicate places. [2024-11-10 14:28:46,299 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 128 transitions, 562 flow [2024-11-10 14:28:46,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 79.0) internal successors, (1106), 14 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:46,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:46,300 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:46,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 14:28:46,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:46,500 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:46,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:46,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1222679886, now seen corresponding path program 1 times [2024-11-10 14:28:46,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:46,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272535411] [2024-11-10 14:28:46,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:46,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:46,622 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 100 proven. 23 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-10 14:28:46,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:46,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272535411] [2024-11-10 14:28:46,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272535411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:46,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150243400] [2024-11-10 14:28:46,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:46,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:46,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:46,625 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:46,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 14:28:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:46,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 14:28:46,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:46,755 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 100 proven. 23 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-10 14:28:46,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:28:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 100 proven. 23 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-10 14:28:46,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150243400] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:28:46,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:28:46,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-10 14:28:46,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496746192] [2024-11-10 14:28:46,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:28:46,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 14:28:46,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:46,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 14:28:46,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-10 14:28:46,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 93 [2024-11-10 14:28:46,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 128 transitions, 562 flow. Second operand has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:46,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:46,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 93 [2024-11-10 14:28:46,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:47,129 INFO L124 PetriNetUnfolderBase]: 64/792 cut-off events. [2024-11-10 14:28:47,129 INFO L125 PetriNetUnfolderBase]: For 644/650 co-relation queries the response was YES. [2024-11-10 14:28:47,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1677 conditions, 792 events. 64/792 cut-off events. For 644/650 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3605 event pairs, 13 based on Foata normal form. 9/783 useless extension candidates. Maximal degree in co-relation 1657. Up to 66 conditions per place. [2024-11-10 14:28:47,132 INFO L140 encePairwiseOnDemand]: 84/93 looper letters, 29 selfloop transitions, 45 changer transitions 1/159 dead transitions. [2024-11-10 14:28:47,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 159 transitions, 908 flow [2024-11-10 14:28:47,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 14:28:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 14:28:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1634 transitions. [2024-11-10 14:28:47,136 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8366615463389657 [2024-11-10 14:28:47,136 INFO L175 Difference]: Start difference. First operand has 139 places, 128 transitions, 562 flow. Second operand 21 states and 1634 transitions. [2024-11-10 14:28:47,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 159 transitions, 908 flow [2024-11-10 14:28:47,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 159 transitions, 890 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-10 14:28:47,141 INFO L231 Difference]: Finished difference. Result has 158 places, 147 transitions, 825 flow [2024-11-10 14:28:47,142 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=825, PETRI_PLACES=158, PETRI_TRANSITIONS=147} [2024-11-10 14:28:47,144 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 66 predicate places. [2024-11-10 14:28:47,144 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 147 transitions, 825 flow [2024-11-10 14:28:47,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 77.86666666666666) internal successors, (1168), 15 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:47,144 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:47,144 INFO L204 CegarLoopForPetriNet]: trace histogram [9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:47,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 14:28:47,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 14:28:47,346 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:47,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:47,346 INFO L85 PathProgramCache]: Analyzing trace with hash -311679845, now seen corresponding path program 2 times [2024-11-10 14:28:47,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:47,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213015524] [2024-11-10 14:28:47,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:47,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:28:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 150 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 14:28:47,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:28:47,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213015524] [2024-11-10 14:28:47,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213015524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:28:47,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043037078] [2024-11-10 14:28:47,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:28:47,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:28:47,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:28:47,535 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:28:47,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 14:28:47,621 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 14:28:47,622 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:28:47,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 14:28:47,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:28:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 150 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 14:28:47,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:28:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 150 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 14:28:47,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043037078] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:28:47,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:28:47,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 17 [2024-11-10 14:28:47,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463025064] [2024-11-10 14:28:47,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:28:47,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 14:28:47,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:28:47,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 14:28:47,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-10 14:28:47,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 93 [2024-11-10 14:28:47,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 147 transitions, 825 flow. Second operand has 17 states, 17 states have (on average 78.52941176470588) internal successors, (1335), 17 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:47,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:28:47,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 93 [2024-11-10 14:28:47,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:28:48,067 INFO L124 PetriNetUnfolderBase]: 37/472 cut-off events. [2024-11-10 14:28:48,067 INFO L125 PetriNetUnfolderBase]: For 528/530 co-relation queries the response was YES. [2024-11-10 14:28:48,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 472 events. 37/472 cut-off events. For 528/530 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1593 event pairs, 5 based on Foata normal form. 1/464 useless extension candidates. Maximal degree in co-relation 1138. Up to 53 conditions per place. [2024-11-10 14:28:48,069 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 35 selfloop transitions, 34 changer transitions 0/154 dead transitions. [2024-11-10 14:28:48,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 154 transitions, 1013 flow [2024-11-10 14:28:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 14:28:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 14:28:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1644 transitions. [2024-11-10 14:28:48,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8417818740399385 [2024-11-10 14:28:48,072 INFO L175 Difference]: Start difference. First operand has 158 places, 147 transitions, 825 flow. Second operand 21 states and 1644 transitions. [2024-11-10 14:28:48,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 154 transitions, 1013 flow [2024-11-10 14:28:48,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 154 transitions, 913 flow, removed 32 selfloop flow, removed 7 redundant places. [2024-11-10 14:28:48,076 INFO L231 Difference]: Finished difference. Result has 174 places, 147 transitions, 862 flow [2024-11-10 14:28:48,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=862, PETRI_PLACES=174, PETRI_TRANSITIONS=147} [2024-11-10 14:28:48,077 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 82 predicate places. [2024-11-10 14:28:48,077 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 147 transitions, 862 flow [2024-11-10 14:28:48,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 78.52941176470588) internal successors, (1335), 17 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:28:48,077 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:28:48,078 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:48,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 14:28:48,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 14:28:48,278 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-10 14:28:48,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:28:48,279 INFO L85 PathProgramCache]: Analyzing trace with hash 2145248104, now seen corresponding path program 1 times [2024-11-10 14:28:48,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:28:48,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108942152] [2024-11-10 14:28:48,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:28:48,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:28:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:28:48,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:28:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:28:48,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:28:48,364 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:28:48,365 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-11-10 14:28:48,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr3ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-11-10 14:28:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-11-10 14:28:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-11-10 14:28:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-11-10 14:28:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-11-10 14:28:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (8 of 15 remaining) [2024-11-10 14:28:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-11-10 14:28:48,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-11-10 14:28:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-11-10 14:28:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 15 remaining) [2024-11-10 14:28:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr3ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-11-10 14:28:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-11-10 14:28:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-11-10 14:28:48,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-11-10 14:28:48,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:28:48,369 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:28:48,447 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:28:48,447 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:28:48,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:28:48 BasicIcfg [2024-11-10 14:28:48,452 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:28:48,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:28:48,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:28:48,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:28:48,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:28:41" (3/4) ... [2024-11-10 14:28:48,453 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-10 14:28:48,522 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:28:48,523 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:28:48,523 INFO L158 Benchmark]: Toolchain (without parser) took 8500.65ms. Allocated memory was 167.8MB in the beginning and 331.4MB in the end (delta: 163.6MB). Free memory was 94.5MB in the beginning and 226.3MB in the end (delta: -131.8MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-10 14:28:48,523 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:28:48,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.59ms. Allocated memory was 167.8MB in the beginning and 260.0MB in the end (delta: 92.3MB). Free memory was 94.3MB in the beginning and 213.3MB in the end (delta: -119.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-10 14:28:48,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.44ms. Allocated memory is still 260.0MB. Free memory was 213.3MB in the beginning and 211.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:28:48,524 INFO L158 Benchmark]: Boogie Preprocessor took 14.38ms. Allocated memory is still 260.0MB. Free memory was 211.2MB in the beginning and 210.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:28:48,524 INFO L158 Benchmark]: IcfgBuilder took 427.46ms. Allocated memory is still 260.0MB. Free memory was 210.2MB in the beginning and 193.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 14:28:48,524 INFO L158 Benchmark]: TraceAbstraction took 7263.24ms. Allocated memory was 260.0MB in the beginning and 331.4MB in the end (delta: 71.3MB). Free memory was 193.4MB in the beginning and 240.0MB in the end (delta: -46.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-10 14:28:48,524 INFO L158 Benchmark]: Witness Printer took 70.59ms. Allocated memory is still 331.4MB. Free memory was 240.0MB in the beginning and 226.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 14:28:48,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.59ms. Allocated memory was 167.8MB in the beginning and 260.0MB in the end (delta: 92.3MB). Free memory was 94.3MB in the beginning and 213.3MB in the end (delta: -119.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.44ms. Allocated memory is still 260.0MB. Free memory was 213.3MB in the beginning and 211.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.38ms. Allocated memory is still 260.0MB. Free memory was 211.2MB in the beginning and 210.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 427.46ms. Allocated memory is still 260.0MB. Free memory was 210.2MB in the beginning and 193.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7263.24ms. Allocated memory was 260.0MB in the beginning and 331.4MB in the end (delta: 71.3MB). Free memory was 193.4MB in the beginning and 240.0MB in the end (delta: -46.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 70.59ms. Allocated memory is still 331.4MB. Free memory was 240.0MB in the beginning and 226.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1009]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; VAL [glob=0] [L988] 0 pthread_mutex_t *p, *q; VAL [glob=0, p={0:0}, q={0:0}] [L996] 0 pthread_t t1, t2; VAL [glob=0, p={0:0}, q={0:0}] [L997] 0 int i; VAL [glob=0, p={0:0}, q={0:0}] [L998] 0 pthread_mutex_t *a; VAL [glob=0, p={0:0}, q={0:0}] [L999] 0 i=0 VAL [glob=0, i=0, p={0:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [glob=0, i=0, p={0:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}] [L999] 0 i++ VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}] [L999] 0 i++ VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}] [L999] 0 i++ VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-5:0}, glob=0, i=3, p={0:0}, q={0:0}] [L1002] COND TRUE 0 i==3 VAL [a={-5:0}, glob=0, i=3, p={0:0}, q={0:0}] [L1003] 0 p = a VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}] [L999] 0 i++ VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}] [L999] 0 i++ VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}] [L999] 0 i++ VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}] [L999] 0 i++ VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L999] COND TRUE 0 i < 10 VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L1004] COND TRUE 0 i==7 VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}] [L1005] 0 q = a VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={-9:0}] [L999] 0 i++ VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L999] COND TRUE 0 i < 10 VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}] [L999] 0 i++ VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L999] COND TRUE 0 i < 10 VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}] [L999] 0 i++ VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}] [L999] COND FALSE 0 !(i < 10) VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}] [L1007] FCALL, FORK 0 pthread_create(&t1, 0, f, 0) VAL [\old(x)={0:0}, a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1=-1] [L1008] 0 pthread_mutex_lock(p) VAL [\old(x)={0:0}, a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1=-1] [L990] 1 pthread_mutex_lock(q) VAL [\old(x)={0:0}, glob=0, p={-5:0}, q={-9:0}, x={0:0}] [L991] 1 glob++ VAL [\old(x)={0:0}, glob=0, p={-5:0}, q={-9:0}, x={0:0}] [L1009] 0 glob++ VAL [\old(x)={0:0}, a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1=-1, x={0:0}] [L991] 1 glob++ VAL [\old(x)={0:0}, glob=1, p={-5:0}, q={-9:0}, x={0:0}] [L1009] 0 glob++ VAL [\old(x)={0:0}, a={-11:0}, glob=1, i=10, p={-5:0}, q={-9:0}, t1=-1, x={0:0}] Now there is a data race on ~glob~0 between C: glob++ [991] and C: glob++ [1009] - UnprovableResult [Line: 990]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 992]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1008]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1003]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1005]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1009]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1010]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1007]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 116 locations, 15 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: 7.1s, OverallIterations: 15, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 373 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 851 IncrementalHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 56 mSDtfsCounter, 851 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1096 GetRequests, 965 SyntacticMatches, 10 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=862occurred in iteration=14, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1510 NumberOfCodeBlocks, 1510 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1695 ConstructedInterpolants, 0 QuantifiedInterpolants, 3081 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1546 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 29 InterpolantComputations, 10 PerfectInterpolantSequences, 1189/1820 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-10 14:28:48,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE