./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 3289d67d 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-3289d67-m [2024-11-16 23:35:24,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:35:24,110 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:35:24,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:35:24,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:35:24,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:35:24,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:35:24,149 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:35:24,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:35:24,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:35:24,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:35:24,152 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:35:24,152 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:35:24,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:35:24,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:35:24,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:35:24,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:35:24,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:35:24,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:35:24,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:35:24,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:35:24,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:35:24,156 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:35:24,157 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:35:24,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:35:24,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:35:24,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:35:24,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:35:24,158 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:35:24,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:35:24,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:35:24,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:35:24,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:35:24,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:35:24,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:35:24,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:35:24,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:35:24,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:35:24,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:35:24,161 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:35:24,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:35:24,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d85985769788fe03edac99b0e2515850ec4c864737a042b27bc3e336515bcde [2024-11-16 23:35:24,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:35:24,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:35:24,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:35:24,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:35:24,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:35:24,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.i [2024-11-16 23:35:25,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:35:26,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:35:26,149 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_44-malloc_sound.i [2024-11-16 23:35:26,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9117d07/1d6f0a505f8a4e05b15922bdb1994227/FLAG8912873cf [2024-11-16 23:35:26,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e9117d07/1d6f0a505f8a4e05b15922bdb1994227 [2024-11-16 23:35:26,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:35:26,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:35:26,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:35:26,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:35:26,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:35:26,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:26,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ea7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26, skipping insertion in model container [2024-11-16 23:35:26,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:26,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:35:26,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:35:26,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:35:26,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:35:26,943 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:35:26,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26 WrapperNode [2024-11-16 23:35:26,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:35:26,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:35:26,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:35:26,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:35:26,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:26,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:26,984 INFO L138 Inliner]: procedures = 261, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2024-11-16 23:35:26,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:35:26,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:35:26,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:35:26,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:35:26,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:26,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:26,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:26,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:27,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:27,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:27,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:27,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:27,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:35:27,009 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:35:27,009 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:35:27,009 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:35:27,010 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (1/1) ... [2024-11-16 23:35:27,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:35:27,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:27,051 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) [2024-11-16 23:35:27,056 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 [2024-11-16 23:35:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-16 23:35:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-16 23:35:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:35:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:35:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:35:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:35:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:35:27,100 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:35:27,212 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:35:27,214 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:35:27,359 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:35:27,359 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:35:27,402 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:35:27,402 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:35:27,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:27 BoogieIcfgContainer [2024-11-16 23:35:27,403 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:35:27,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:35:27,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:35:27,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:35:27,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:35:26" (1/3) ... [2024-11-16 23:35:27,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e533303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:27, skipping insertion in model container [2024-11-16 23:35:27,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:35:26" (2/3) ... [2024-11-16 23:35:27,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e533303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:35:27, skipping insertion in model container [2024-11-16 23:35:27,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:27" (3/3) ... [2024-11-16 23:35:27,412 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_44-malloc_sound.i [2024-11-16 23:35:27,433 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:35:27,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-16 23:35:27,434 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:35:27,500 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:35:27,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 93 transitions, 190 flow [2024-11-16 23:35:27,582 INFO L124 PetriNetUnfolderBase]: 4/92 cut-off events. [2024-11-16 23:35:27,582 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:27,586 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. [2024-11-16 23:35:27,587 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 93 transitions, 190 flow [2024-11-16 23:35:27,590 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 92 transitions, 187 flow [2024-11-16 23:35:27,599 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:35:27,605 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;@6ded5b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:35:27,606 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-16 23:35:27,615 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:35:27,615 INFO L124 PetriNetUnfolderBase]: 1/35 cut-off events. [2024-11-16 23:35:27,615 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:27,615 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:27,616 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] [2024-11-16 23:35:27,617 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-16 23:35:27,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:27,622 INFO L85 PathProgramCache]: Analyzing trace with hash -660546092, now seen corresponding path program 1 times [2024-11-16 23:35:27,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:27,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702266112] [2024-11-16 23:35:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:27,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702266112] [2024-11-16 23:35:27,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702266112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:27,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:27,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:35:27,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105855810] [2024-11-16 23:35:27,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:27,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:35:27,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:27,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:35:27,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:35:27,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 93 [2024-11-16 23:35:27,896 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) [2024-11-16 23:35:27,897 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:27,897 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 93 [2024-11-16 23:35:27,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:27,949 INFO L124 PetriNetUnfolderBase]: 7/135 cut-off events. [2024-11-16 23:35:27,950 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:35:27,951 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. [2024-11-16 23:35:27,954 INFO L140 encePairwiseOnDemand]: 92/93 looper letters, 5 selfloop transitions, 0 changer transitions 0/91 dead transitions. [2024-11-16 23:35:27,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 91 transitions, 195 flow [2024-11-16 23:35:27,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:35:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:35:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 180 transitions. [2024-11-16 23:35:27,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967741935483871 [2024-11-16 23:35:27,970 INFO L175 Difference]: Start difference. First operand has 92 places, 92 transitions, 187 flow. Second operand 2 states and 180 transitions. [2024-11-16 23:35:27,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 91 transitions, 195 flow [2024-11-16 23:35:27,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 91 transitions, 194 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:27,977 INFO L231 Difference]: Finished difference. Result has 92 places, 91 transitions, 184 flow [2024-11-16 23:35:27,980 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} [2024-11-16 23:35:27,985 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 0 predicate places. [2024-11-16 23:35:27,986 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 91 transitions, 184 flow [2024-11-16 23:35:27,986 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) [2024-11-16 23:35:27,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:27,987 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] [2024-11-16 23:35:27,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:35:27,987 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-16 23:35:27,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:27,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1332931776, now seen corresponding path program 1 times [2024-11-16 23:35:27,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:27,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821472783] [2024-11-16 23:35:27,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:28,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:28,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821472783] [2024-11-16 23:35:28,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821472783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:28,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:28,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:35:28,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938430651] [2024-11-16 23:35:28,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:28,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:28,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:28,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:28,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:35:28,145 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-16 23:35:28,147 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) [2024-11-16 23:35:28,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:28,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-16 23:35:28,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:28,204 INFO L124 PetriNetUnfolderBase]: 9/167 cut-off events. [2024-11-16 23:35:28,205 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:28,206 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. [2024-11-16 23:35:28,207 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 12 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2024-11-16 23:35:28,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 92 transitions, 214 flow [2024-11-16 23:35:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2024-11-16 23:35:28,211 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.910394265232975 [2024-11-16 23:35:28,211 INFO L175 Difference]: Start difference. First operand has 92 places, 91 transitions, 184 flow. Second operand 3 states and 254 transitions. [2024-11-16 23:35:28,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 92 transitions, 214 flow [2024-11-16 23:35:28,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 214 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:35:28,215 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 200 flow [2024-11-16 23:35:28,216 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} [2024-11-16 23:35:28,217 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 3 predicate places. [2024-11-16 23:35:28,218 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 200 flow [2024-11-16 23:35:28,218 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) [2024-11-16 23:35:28,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:28,219 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] [2024-11-16 23:35:28,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:35:28,219 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting fErr3ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-16 23:35:28,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:28,221 INFO L85 PathProgramCache]: Analyzing trace with hash -2105716136, now seen corresponding path program 1 times [2024-11-16 23:35:28,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:28,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391799364] [2024-11-16 23:35:28,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:28,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:28,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:28,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:28,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391799364] [2024-11-16 23:35:28,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391799364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:28,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045859872] [2024-11-16 23:35:28,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:28,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:28,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:28,395 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) [2024-11-16 23:35:28,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 23:35:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:28,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:28,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:35:28,496 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:28,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045859872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:28,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:28,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:28,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140967340] [2024-11-16 23:35:28,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:28,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:28,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:28,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:28,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:28,515 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 93 [2024-11-16 23:35:28,516 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) [2024-11-16 23:35:28,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:28,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 93 [2024-11-16 23:35:28,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:28,563 INFO L124 PetriNetUnfolderBase]: 15/173 cut-off events. [2024-11-16 23:35:28,563 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:35:28,564 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. [2024-11-16 23:35:28,565 INFO L140 encePairwiseOnDemand]: 90/93 looper letters, 11 selfloop transitions, 1 changer transitions 0/92 dead transitions. [2024-11-16 23:35:28,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 92 transitions, 224 flow [2024-11-16 23:35:28,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2024-11-16 23:35:28,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.910394265232975 [2024-11-16 23:35:28,572 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 200 flow. Second operand 3 states and 254 transitions. [2024-11-16 23:35:28,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 92 transitions, 224 flow [2024-11-16 23:35:28,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:28,575 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 196 flow [2024-11-16 23:35:28,575 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} [2024-11-16 23:35:28,576 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 2 predicate places. [2024-11-16 23:35:28,576 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 196 flow [2024-11-16 23:35:28,576 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) [2024-11-16 23:35:28,576 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:28,577 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] [2024-11-16 23:35:28,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 23:35:28,781 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 [2024-11-16 23:35:28,782 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)] === [2024-11-16 23:35:28,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:28,783 INFO L85 PathProgramCache]: Analyzing trace with hash -854578592, now seen corresponding path program 1 times [2024-11-16 23:35:28,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:28,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112363376] [2024-11-16 23:35:28,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:28,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:28,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:28,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112363376] [2024-11-16 23:35:28,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112363376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:28,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806271555] [2024-11-16 23:35:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:28,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:28,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:28,879 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) [2024-11-16 23:35:28,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 23:35:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:28,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:28,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:28,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:35:28,970 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:28,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806271555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:28,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:28,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:28,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108566485] [2024-11-16 23:35:28,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:28,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:28,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:28,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:28,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:28,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 93 [2024-11-16 23:35:28,986 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) [2024-11-16 23:35:28,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:28,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 93 [2024-11-16 23:35:28,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:29,030 INFO L124 PetriNetUnfolderBase]: 15/155 cut-off events. [2024-11-16 23:35:29,032 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:29,033 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. [2024-11-16 23:35:29,033 INFO L140 encePairwiseOnDemand]: 90/93 looper letters, 11 selfloop transitions, 1 changer transitions 0/90 dead transitions. [2024-11-16 23:35:29,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 90 transitions, 220 flow [2024-11-16 23:35:29,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2024-11-16 23:35:29,036 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.910394265232975 [2024-11-16 23:35:29,036 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 196 flow. Second operand 3 states and 254 transitions. [2024-11-16 23:35:29,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 90 transitions, 220 flow [2024-11-16 23:35:29,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 90 transitions, 219 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:29,040 INFO L231 Difference]: Finished difference. Result has 93 places, 88 transitions, 193 flow [2024-11-16 23:35:29,040 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} [2024-11-16 23:35:29,041 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 1 predicate places. [2024-11-16 23:35:29,042 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 88 transitions, 193 flow [2024-11-16 23:35:29,042 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) [2024-11-16 23:35:29,042 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:29,043 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] [2024-11-16 23:35:29,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 23:35:29,246 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 [2024-11-16 23:35:29,247 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)] === [2024-11-16 23:35:29,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:29,248 INFO L85 PathProgramCache]: Analyzing trace with hash -522840350, now seen corresponding path program 1 times [2024-11-16 23:35:29,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:29,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805973872] [2024-11-16 23:35:29,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:29,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:29,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:29,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805973872] [2024-11-16 23:35:29,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805973872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:29,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862436405] [2024-11-16 23:35:29,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:29,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:29,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:29,350 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) [2024-11-16 23:35:29,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 23:35:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:29,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:29,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-16 23:35:29,445 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:29,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862436405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:29,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:29,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:29,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835480653] [2024-11-16 23:35:29,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:29,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:29,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:29,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:29,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:29,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-16 23:35:29,467 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) [2024-11-16 23:35:29,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:29,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-16 23:35:29,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:29,527 INFO L124 PetriNetUnfolderBase]: 18/204 cut-off events. [2024-11-16 23:35:29,527 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:35:29,528 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. [2024-11-16 23:35:29,528 INFO L140 encePairwiseOnDemand]: 89/93 looper letters, 14 selfloop transitions, 3 changer transitions 0/92 dead transitions. [2024-11-16 23:35:29,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 92 transitions, 239 flow [2024-11-16 23:35:29,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:29,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2024-11-16 23:35:29,531 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9139784946236559 [2024-11-16 23:35:29,532 INFO L175 Difference]: Start difference. First operand has 93 places, 88 transitions, 193 flow. Second operand 3 states and 255 transitions. [2024-11-16 23:35:29,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 92 transitions, 239 flow [2024-11-16 23:35:29,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 92 transitions, 237 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:29,536 INFO L231 Difference]: Finished difference. Result has 94 places, 89 transitions, 208 flow [2024-11-16 23:35:29,536 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} [2024-11-16 23:35:29,537 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 2 predicate places. [2024-11-16 23:35:29,537 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 89 transitions, 208 flow [2024-11-16 23:35:29,538 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) [2024-11-16 23:35:29,538 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:29,538 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] [2024-11-16 23:35:29,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 23:35:29,738 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 [2024-11-16 23:35:29,739 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)] === [2024-11-16 23:35:29,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:29,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1001843748, now seen corresponding path program 1 times [2024-11-16 23:35:29,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:29,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950797207] [2024-11-16 23:35:29,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:29,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:29,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:29,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950797207] [2024-11-16 23:35:29,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950797207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:29,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066614625] [2024-11-16 23:35:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:29,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:29,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:29,849 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) [2024-11-16 23:35:29,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-16 23:35:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:29,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:29,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-16 23:35:29,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:29,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066614625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:29,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:29,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:29,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15133977] [2024-11-16 23:35:29,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:29,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:29,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:29,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:29,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:29,947 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-16 23:35:29,947 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) [2024-11-16 23:35:29,947 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:29,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-16 23:35:29,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:30,001 INFO L124 PetriNetUnfolderBase]: 28/298 cut-off events. [2024-11-16 23:35:30,001 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:30,003 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. [2024-11-16 23:35:30,005 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 14 selfloop transitions, 4 changer transitions 0/94 dead transitions. [2024-11-16 23:35:30,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 94 transitions, 257 flow [2024-11-16 23:35:30,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:30,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2024-11-16 23:35:30,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9175627240143369 [2024-11-16 23:35:30,009 INFO L175 Difference]: Start difference. First operand has 94 places, 89 transitions, 208 flow. Second operand 3 states and 256 transitions. [2024-11-16 23:35:30,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 94 transitions, 257 flow [2024-11-16 23:35:30,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 94 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:30,012 INFO L231 Difference]: Finished difference. Result has 95 places, 91 transitions, 228 flow [2024-11-16 23:35:30,014 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} [2024-11-16 23:35:30,015 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 3 predicate places. [2024-11-16 23:35:30,015 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 228 flow [2024-11-16 23:35:30,015 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) [2024-11-16 23:35:30,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:30,015 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] [2024-11-16 23:35:30,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 23:35:30,220 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 [2024-11-16 23:35:30,221 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-16 23:35:30,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:30,221 INFO L85 PathProgramCache]: Analyzing trace with hash -2068931046, now seen corresponding path program 1 times [2024-11-16 23:35:30,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:30,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323035440] [2024-11-16 23:35:30,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:30,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:30,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:30,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:30,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323035440] [2024-11-16 23:35:30,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323035440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:30,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941524043] [2024-11-16 23:35:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:30,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:30,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:30,279 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) [2024-11-16 23:35:30,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-16 23:35:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:30,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:30,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:30,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:35:30,358 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:30,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941524043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:30,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:30,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:30,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62285203] [2024-11-16 23:35:30,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:30,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:30,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:30,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:30,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:30,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-16 23:35:30,377 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) [2024-11-16 23:35:30,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:30,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-16 23:35:30,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:30,435 INFO L124 PetriNetUnfolderBase]: 46/400 cut-off events. [2024-11-16 23:35:30,436 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:35:30,437 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. [2024-11-16 23:35:30,438 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 17 selfloop transitions, 6 changer transitions 0/101 dead transitions. [2024-11-16 23:35:30,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 101 transitions, 294 flow [2024-11-16 23:35:30,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:30,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 262 transitions. [2024-11-16 23:35:30,440 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9390681003584229 [2024-11-16 23:35:30,440 INFO L175 Difference]: Start difference. First operand has 95 places, 91 transitions, 228 flow. Second operand 3 states and 262 transitions. [2024-11-16 23:35:30,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 101 transitions, 294 flow [2024-11-16 23:35:30,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 101 transitions, 290 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:30,443 INFO L231 Difference]: Finished difference. Result has 98 places, 97 transitions, 276 flow [2024-11-16 23:35:30,443 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} [2024-11-16 23:35:30,444 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 6 predicate places. [2024-11-16 23:35:30,444 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 97 transitions, 276 flow [2024-11-16 23:35:30,444 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) [2024-11-16 23:35:30,444 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:30,445 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] [2024-11-16 23:35:30,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-16 23:35:30,645 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 [2024-11-16 23:35:30,646 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr3ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr0ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2024-11-16 23:35:30,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:30,646 INFO L85 PathProgramCache]: Analyzing trace with hash 207598108, now seen corresponding path program 1 times [2024-11-16 23:35:30,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:30,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495710512] [2024-11-16 23:35:30,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:30,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:30,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:30,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495710512] [2024-11-16 23:35:30,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495710512] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:30,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675035044] [2024-11-16 23:35:30,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:30,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:30,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:30,752 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) [2024-11-16 23:35:30,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-16 23:35:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:30,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:30,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:35:30,833 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:30,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675035044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:30,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:30,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:30,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044486912] [2024-11-16 23:35:30,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:30,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:30,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:30,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:30,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:30,853 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 93 [2024-11-16 23:35:30,854 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) [2024-11-16 23:35:30,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:30,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 93 [2024-11-16 23:35:30,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:30,913 INFO L124 PetriNetUnfolderBase]: 61/465 cut-off events. [2024-11-16 23:35:30,914 INFO L125 PetriNetUnfolderBase]: For 103/108 co-relation queries the response was YES. [2024-11-16 23:35:30,915 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. [2024-11-16 23:35:30,916 INFO L140 encePairwiseOnDemand]: 87/93 looper letters, 16 selfloop transitions, 7 changer transitions 2/104 dead transitions. [2024-11-16 23:35:30,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 104 transitions, 348 flow [2024-11-16 23:35:30,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2024-11-16 23:35:30,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.921146953405018 [2024-11-16 23:35:30,918 INFO L175 Difference]: Start difference. First operand has 98 places, 97 transitions, 276 flow. Second operand 3 states and 257 transitions. [2024-11-16 23:35:30,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 104 transitions, 348 flow [2024-11-16 23:35:30,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 104 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:35:30,923 INFO L231 Difference]: Finished difference. Result has 100 places, 101 transitions, 316 flow [2024-11-16 23:35:30,923 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} [2024-11-16 23:35:30,924 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 8 predicate places. [2024-11-16 23:35:30,924 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 101 transitions, 316 flow [2024-11-16 23:35:30,925 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) [2024-11-16 23:35:30,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:30,925 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] [2024-11-16 23:35:30,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-16 23:35:31,125 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 [2024-11-16 23:35:31,126 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)] === [2024-11-16 23:35:31,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:31,127 INFO L85 PathProgramCache]: Analyzing trace with hash -56473765, now seen corresponding path program 1 times [2024-11-16 23:35:31,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:31,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826059407] [2024-11-16 23:35:31,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:31,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:31,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:31,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826059407] [2024-11-16 23:35:31,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826059407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:31,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008441810] [2024-11-16 23:35:31,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:31,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:31,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:31,190 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) [2024-11-16 23:35:31,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-16 23:35:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:31,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 23:35:31,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 23:35:31,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 23:35:31,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008441810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:31,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 23:35:31,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-16 23:35:31,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415727808] [2024-11-16 23:35:31,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:31,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:35:31,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:31,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:35:31,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:35:31,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2024-11-16 23:35:31,299 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) [2024-11-16 23:35:31,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:31,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2024-11-16 23:35:31,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:31,359 INFO L124 PetriNetUnfolderBase]: 79/525 cut-off events. [2024-11-16 23:35:31,360 INFO L125 PetriNetUnfolderBase]: For 227/234 co-relation queries the response was YES. [2024-11-16 23:35:31,361 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. [2024-11-16 23:35:31,362 INFO L140 encePairwiseOnDemand]: 87/93 looper letters, 17 selfloop transitions, 7 changer transitions 7/108 dead transitions. [2024-11-16 23:35:31,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 108 transitions, 402 flow [2024-11-16 23:35:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:35:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:35:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-11-16 23:35:31,364 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9068100358422939 [2024-11-16 23:35:31,365 INFO L175 Difference]: Start difference. First operand has 100 places, 101 transitions, 316 flow. Second operand 3 states and 253 transitions. [2024-11-16 23:35:31,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 108 transitions, 402 flow [2024-11-16 23:35:31,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 108 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:35:31,370 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 334 flow [2024-11-16 23:35:31,371 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} [2024-11-16 23:35:31,371 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 10 predicate places. [2024-11-16 23:35:31,372 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 334 flow [2024-11-16 23:35:31,373 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) [2024-11-16 23:35:31,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:31,373 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] [2024-11-16 23:35:31,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-16 23:35:31,577 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 [2024-11-16 23:35:31,578 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)] === [2024-11-16 23:35:31,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:31,579 INFO L85 PathProgramCache]: Analyzing trace with hash 248459131, now seen corresponding path program 1 times [2024-11-16 23:35:31,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:31,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545123011] [2024-11-16 23:35:31,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:31,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:31,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:31,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545123011] [2024-11-16 23:35:31,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545123011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:31,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974028346] [2024-11-16 23:35:31,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:31,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:31,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:31,641 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) [2024-11-16 23:35:31,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-16 23:35:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:31,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 23:35:31,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:31,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:35:31,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974028346] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:31,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:31,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-16 23:35:31,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302877096] [2024-11-16 23:35:31,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:31,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 23:35:31,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:31,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 23:35:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 23:35:31,857 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 93 [2024-11-16 23:35:31,858 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) [2024-11-16 23:35:31,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:31,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 93 [2024-11-16 23:35:31,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:31,986 INFO L124 PetriNetUnfolderBase]: 40/474 cut-off events. [2024-11-16 23:35:31,986 INFO L125 PetriNetUnfolderBase]: For 177/177 co-relation queries the response was YES. [2024-11-16 23:35:31,987 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. [2024-11-16 23:35:31,988 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 15 selfloop transitions, 13 changer transitions 0/111 dead transitions. [2024-11-16 23:35:31,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 111 transitions, 418 flow [2024-11-16 23:35:31,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 23:35:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-16 23:35:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 868 transitions. [2024-11-16 23:35:31,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2024-11-16 23:35:31,991 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 334 flow. Second operand 11 states and 868 transitions. [2024-11-16 23:35:31,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 111 transitions, 418 flow [2024-11-16 23:35:31,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 111 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:35:31,995 INFO L231 Difference]: Finished difference. Result has 113 places, 109 transitions, 394 flow [2024-11-16 23:35:31,995 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} [2024-11-16 23:35:31,997 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 21 predicate places. [2024-11-16 23:35:31,997 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 109 transitions, 394 flow [2024-11-16 23:35:31,997 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) [2024-11-16 23:35:31,998 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:31,998 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] [2024-11-16 23:35:32,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-16 23:35:32,199 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 [2024-11-16 23:35:32,199 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)] === [2024-11-16 23:35:32,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:32,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1208149785, now seen corresponding path program 2 times [2024-11-16 23:35:32,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:32,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123230936] [2024-11-16 23:35:32,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:32,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-16 23:35:32,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:32,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123230936] [2024-11-16 23:35:32,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123230936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:35:32,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:35:32,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:35:32,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989091582] [2024-11-16 23:35:32,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:35:32,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 23:35:32,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:32,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 23:35:32,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 23:35:32,365 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 93 [2024-11-16 23:35:32,366 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) [2024-11-16 23:35:32,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:32,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 93 [2024-11-16 23:35:32,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:32,502 INFO L124 PetriNetUnfolderBase]: 57/810 cut-off events. [2024-11-16 23:35:32,502 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2024-11-16 23:35:32,504 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. [2024-11-16 23:35:32,506 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 13 selfloop transitions, 11 changer transitions 8/131 dead transitions. [2024-11-16 23:35:32,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 131 transitions, 506 flow [2024-11-16 23:35:32,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 23:35:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-16 23:35:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 608 transitions. [2024-11-16 23:35:32,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9339477726574501 [2024-11-16 23:35:32,508 INFO L175 Difference]: Start difference. First operand has 113 places, 109 transitions, 394 flow. Second operand 7 states and 608 transitions. [2024-11-16 23:35:32,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 131 transitions, 506 flow [2024-11-16 23:35:32,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 131 transitions, 494 flow, removed 5 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:32,513 INFO L231 Difference]: Finished difference. Result has 120 places, 116 transitions, 431 flow [2024-11-16 23:35:32,513 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} [2024-11-16 23:35:32,513 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 28 predicate places. [2024-11-16 23:35:32,514 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 116 transitions, 431 flow [2024-11-16 23:35:32,514 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) [2024-11-16 23:35:32,514 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:32,514 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] [2024-11-16 23:35:32,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:35:32,515 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)] === [2024-11-16 23:35:32,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:32,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2008966171, now seen corresponding path program 1 times [2024-11-16 23:35:32,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:32,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785058689] [2024-11-16 23:35:32,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:32,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 23:35:32,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:32,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785058689] [2024-11-16 23:35:32,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785058689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:32,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239968194] [2024-11-16 23:35:32,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:32,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:32,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:32,635 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) [2024-11-16 23:35:32,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-16 23:35:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:32,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 23:35:32,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 23:35:32,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 23:35:32,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239968194] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:32,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:32,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-16 23:35:32,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113243907] [2024-11-16 23:35:32,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:32,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 23:35:32,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:32,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 23:35:32,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-16 23:35:32,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2024-11-16 23:35:32,946 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) [2024-11-16 23:35:32,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:32,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2024-11-16 23:35:32,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:33,169 INFO L124 PetriNetUnfolderBase]: 58/776 cut-off events. [2024-11-16 23:35:33,170 INFO L125 PetriNetUnfolderBase]: For 345/351 co-relation queries the response was YES. [2024-11-16 23:35:33,171 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. [2024-11-16 23:35:33,172 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 21 selfloop transitions, 20 changer transitions 0/129 dead transitions. [2024-11-16 23:35:33,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 129 transitions, 571 flow [2024-11-16 23:35:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 23:35:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-16 23:35:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1349 transitions. [2024-11-16 23:35:33,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8532574320050601 [2024-11-16 23:35:33,176 INFO L175 Difference]: Start difference. First operand has 120 places, 116 transitions, 431 flow. Second operand 17 states and 1349 transitions. [2024-11-16 23:35:33,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 129 transitions, 571 flow [2024-11-16 23:35:33,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 129 transitions, 569 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-16 23:35:33,180 INFO L231 Difference]: Finished difference. Result has 139 places, 128 transitions, 562 flow [2024-11-16 23:35:33,180 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} [2024-11-16 23:35:33,181 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 47 predicate places. [2024-11-16 23:35:33,181 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 128 transitions, 562 flow [2024-11-16 23:35:33,182 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) [2024-11-16 23:35:33,182 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:33,182 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] [2024-11-16 23:35:33,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-16 23:35:33,382 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 [2024-11-16 23:35:33,383 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)] === [2024-11-16 23:35:33,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:33,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1222679886, now seen corresponding path program 1 times [2024-11-16 23:35:33,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:33,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834100024] [2024-11-16 23:35:33,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:33,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 100 proven. 23 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-16 23:35:33,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:33,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834100024] [2024-11-16 23:35:33,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834100024] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:33,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737408061] [2024-11-16 23:35:33,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:33,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:33,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:33,520 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) [2024-11-16 23:35:33,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-16 23:35:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:33,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 23:35:33,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 100 proven. 23 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-16 23:35:33,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:33,785 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 100 proven. 23 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-16 23:35:33,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737408061] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:33,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:33,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 15 [2024-11-16 23:35:33,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345448726] [2024-11-16 23:35:33,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:33,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 23:35:33,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:33,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 23:35:33,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-16 23:35:33,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 93 [2024-11-16 23:35:33,836 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) [2024-11-16 23:35:33,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:33,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 93 [2024-11-16 23:35:33,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:34,151 INFO L124 PetriNetUnfolderBase]: 64/792 cut-off events. [2024-11-16 23:35:34,151 INFO L125 PetriNetUnfolderBase]: For 644/650 co-relation queries the response was YES. [2024-11-16 23:35:34,152 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. [2024-11-16 23:35:34,154 INFO L140 encePairwiseOnDemand]: 84/93 looper letters, 29 selfloop transitions, 45 changer transitions 1/159 dead transitions. [2024-11-16 23:35:34,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 159 transitions, 908 flow [2024-11-16 23:35:34,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 23:35:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-16 23:35:34,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1634 transitions. [2024-11-16 23:35:34,157 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8366615463389657 [2024-11-16 23:35:34,157 INFO L175 Difference]: Start difference. First operand has 139 places, 128 transitions, 562 flow. Second operand 21 states and 1634 transitions. [2024-11-16 23:35:34,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 159 transitions, 908 flow [2024-11-16 23:35:34,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 159 transitions, 890 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-16 23:35:34,162 INFO L231 Difference]: Finished difference. Result has 158 places, 147 transitions, 825 flow [2024-11-16 23:35:34,163 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} [2024-11-16 23:35:34,163 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 66 predicate places. [2024-11-16 23:35:34,163 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 147 transitions, 825 flow [2024-11-16 23:35:34,164 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) [2024-11-16 23:35:34,164 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:34,164 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] [2024-11-16 23:35:34,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-16 23:35:34,364 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 [2024-11-16 23:35:34,365 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)] === [2024-11-16 23:35:34,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:34,365 INFO L85 PathProgramCache]: Analyzing trace with hash -311679845, now seen corresponding path program 2 times [2024-11-16 23:35:34,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:34,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627422470] [2024-11-16 23:35:34,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:34,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:35:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 150 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-16 23:35:34,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:35:34,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627422470] [2024-11-16 23:35:34,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627422470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 23:35:34,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028768883] [2024-11-16 23:35:34,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 23:35:34,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 23:35:34,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:35:34,620 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) [2024-11-16 23:35:34,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-16 23:35:34,728 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 23:35:34,729 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 23:35:34,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-16 23:35:34,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 23:35:34,842 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 150 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-16 23:35:34,842 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 23:35:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 153 proven. 150 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-16 23:35:35,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028768883] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 23:35:35,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 23:35:35,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 17 [2024-11-16 23:35:35,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017025238] [2024-11-16 23:35:35,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 23:35:35,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 23:35:35,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:35:35,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 23:35:35,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-16 23:35:35,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 93 [2024-11-16 23:35:35,057 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) [2024-11-16 23:35:35,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:35:35,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 93 [2024-11-16 23:35:35,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:35:35,298 INFO L124 PetriNetUnfolderBase]: 37/472 cut-off events. [2024-11-16 23:35:35,298 INFO L125 PetriNetUnfolderBase]: For 528/530 co-relation queries the response was YES. [2024-11-16 23:35:35,299 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. [2024-11-16 23:35:35,301 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 35 selfloop transitions, 34 changer transitions 0/154 dead transitions. [2024-11-16 23:35:35,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 154 transitions, 1013 flow [2024-11-16 23:35:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 23:35:35,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-16 23:35:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1644 transitions. [2024-11-16 23:35:35,307 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8417818740399385 [2024-11-16 23:35:35,307 INFO L175 Difference]: Start difference. First operand has 158 places, 147 transitions, 825 flow. Second operand 21 states and 1644 transitions. [2024-11-16 23:35:35,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 154 transitions, 1013 flow [2024-11-16 23:35:35,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 154 transitions, 913 flow, removed 32 selfloop flow, removed 7 redundant places. [2024-11-16 23:35:35,314 INFO L231 Difference]: Finished difference. Result has 174 places, 147 transitions, 862 flow [2024-11-16 23:35:35,314 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} [2024-11-16 23:35:35,315 INFO L277 CegarLoopForPetriNet]: 92 programPoint places, 82 predicate places. [2024-11-16 23:35:35,315 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 147 transitions, 862 flow [2024-11-16 23:35:35,316 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) [2024-11-16 23:35:35,316 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:35:35,316 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] [2024-11-16 23:35:35,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-16 23:35:35,516 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 [2024-11-16 23:35:35,517 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)] === [2024-11-16 23:35:35,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:35:35,517 INFO L85 PathProgramCache]: Analyzing trace with hash 2145248104, now seen corresponding path program 1 times [2024-11-16 23:35:35,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:35:35,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218010526] [2024-11-16 23:35:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:35:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:35:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:35:35,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:35:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:35:35,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:35:35,602 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:35:35,603 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-11-16 23:35:35,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr3ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-11-16 23:35:35,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-11-16 23:35:35,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-11-16 23:35:35,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-11-16 23:35:35,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-11-16 23:35:35,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (8 of 15 remaining) [2024-11-16 23:35:35,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-11-16 23:35:35,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-11-16 23:35:35,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-11-16 23:35:35,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 15 remaining) [2024-11-16 23:35:35,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr3ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-11-16 23:35:35,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-11-16 23:35:35,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-11-16 23:35:35,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-11-16 23:35:35,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:35:35,607 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:35:35,715 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:35:35,715 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:35:35,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:35:35 BasicIcfg [2024-11-16 23:35:35,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:35:35,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:35:35,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:35:35,721 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:35:35,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:35:27" (3/4) ... [2024-11-16 23:35:35,722 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-16 23:35:35,805 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:35:35,808 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:35:35,808 INFO L158 Benchmark]: Toolchain (without parser) took 9375.58ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 111.1MB in the beginning and 109.6MB in the end (delta: 1.5MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2024-11-16 23:35:35,808 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:35:35,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.67ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 81.0MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-16 23:35:35,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.60ms. Allocated memory is still 167.8MB. Free memory was 81.0MB in the beginning and 78.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:35:35,809 INFO L158 Benchmark]: Boogie Preprocessor took 23.51ms. Allocated memory is still 167.8MB. Free memory was 78.9MB in the beginning and 77.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:35:35,809 INFO L158 Benchmark]: IcfgBuilder took 393.76ms. Allocated memory is still 167.8MB. Free memory was 77.6MB in the beginning and 62.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 23:35:35,810 INFO L158 Benchmark]: TraceAbstraction took 8314.83ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 61.5MB in the beginning and 122.2MB in the end (delta: -60.7MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-11-16 23:35:35,810 INFO L158 Benchmark]: Witness Printer took 87.07ms. Allocated memory is still 228.6MB. Free memory was 122.2MB in the beginning and 109.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 23:35:35,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.67ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 81.0MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.60ms. Allocated memory is still 167.8MB. Free memory was 81.0MB in the beginning and 78.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.51ms. Allocated memory is still 167.8MB. Free memory was 78.9MB in the beginning and 77.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 393.76ms. Allocated memory is still 167.8MB. Free memory was 77.6MB in the beginning and 62.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8314.83ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 61.5MB in the beginning and 122.2MB in the end (delta: -60.7MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 87.07ms. Allocated memory is still 228.6MB. Free memory was 122.2MB in the beginning and 109.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 8.1s, OverallIterations: 15, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 373 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 196 SdHoareTripleChecker+Invalid, 0.6s 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, 0.9s 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, 2.2s 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! [2024-11-16 23:35:35,836 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