./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-1_2-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f 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/ldv-races/race-1_2-join.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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:23:36,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:23:36,373 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:23:36,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:23:36,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:23:36,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:23:36,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:23:36,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:23:36,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:23:36,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:23:36,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:23:36,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:23:36,397 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:23:36,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:23:36,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:23:36,401 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:23:36,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:23:36,402 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:23:36,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:23:36,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:23:36,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:23:36,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:23:36,407 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:23:36,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:23:36,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:23:36,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:23:36,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:23:36,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:23:36,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:23:36,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:23:36,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:23:36,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:23:36,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:23:36,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:23:36,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:23:36,409 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:23:36,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:23:36,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:23:36,409 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:23:36,409 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:23:36,409 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:23:36,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2024-11-12 12:23:36,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:23:36,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:23:36,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:23:36,626 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:23:36,626 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:23:36,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_2-join.i [2024-11-12 12:23:37,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:23:38,726 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:23:38,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_2-join.i [2024-11-12 12:23:38,750 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ca5dc57/b48a9ed843e84aba9a04231004bfd218/FLAG09d517e86 [2024-11-12 12:23:38,764 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ca5dc57/b48a9ed843e84aba9a04231004bfd218 [2024-11-12 12:23:38,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:23:38,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:23:38,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:23:38,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:23:38,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:23:38,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:23:38" (1/1) ... [2024-11-12 12:23:38,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af2421d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:38, skipping insertion in model container [2024-11-12 12:23:38,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:23:38" (1/1) ... [2024-11-12 12:23:38,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:23:39,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:23:39,326 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:23:39,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:23:39,530 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:23:39,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39 WrapperNode [2024-11-12 12:23:39,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:23:39,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:23:39,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:23:39,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:23:39,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,599 INFO L138 Inliner]: procedures = 483, calls = 31, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 123 [2024-11-12 12:23:39,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:23:39,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:23:39,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:23:39,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:23:39,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:23:39,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:23:39,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:23:39,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:23:39,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (1/1) ... [2024-11-12 12:23:39,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:23:39,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:23:39,683 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) [2024-11-12 12:23:39,685 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 [2024-11-12 12:23:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:23:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 12:23:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:23:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-12 12:23:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:23:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 12:23:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:23:39,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:23:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 12:23:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-12 12:23:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:23:39,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:23:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:23:39,718 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:23:39,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:23:39,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:23:40,061 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:23:40,062 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:23:40,114 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:23:40,114 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 12:23:40,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:40 BoogieIcfgContainer [2024-11-12 12:23:40,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:23:40,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:23:40,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:23:40,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:23:40,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:23:38" (1/3) ... [2024-11-12 12:23:40,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bebbb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:23:40, skipping insertion in model container [2024-11-12 12:23:40,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:39" (2/3) ... [2024-11-12 12:23:40,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bebbb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:23:40, skipping insertion in model container [2024-11-12 12:23:40,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:40" (3/3) ... [2024-11-12 12:23:40,142 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2024-11-12 12:23:40,155 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:23:40,155 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-12 12:23:40,155 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:23:40,204 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-12 12:23:40,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 141 transitions, 289 flow [2024-11-12 12:23:40,277 INFO L124 PetriNetUnfolderBase]: 7/156 cut-off events. [2024-11-12 12:23:40,277 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 12:23:40,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 156 events. 7/156 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 235 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2024-11-12 12:23:40,280 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 141 transitions, 289 flow [2024-11-12 12:23:40,283 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 123 transitions, 252 flow [2024-11-12 12:23:40,294 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:23:40,301 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;@21fa6ad9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:23:40,302 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-12 12:23:40,308 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:23:40,311 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-12 12:23:40,311 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:23:40,311 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:40,312 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:23:40,312 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-12 12:23:40,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:40,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1600114191, now seen corresponding path program 1 times [2024-11-12 12:23:40,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:40,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116191640] [2024-11-12 12:23:40,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:40,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:40,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:40,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116191640] [2024-11-12 12:23:40,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116191640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:40,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:40,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:40,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83149740] [2024-11-12 12:23:40,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:40,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:40,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:40,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:40,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:40,680 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-12 12:23:40,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 123 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2024-11-12 12:23:40,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:40,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-12 12:23:40,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:40,741 INFO L124 PetriNetUnfolderBase]: 9/187 cut-off events. [2024-11-12 12:23:40,741 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-12 12:23:40,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 187 events. 9/187 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 547 event pairs, 9 based on Foata normal form. 4/173 useless extension candidates. Maximal degree in co-relation 114. Up to 36 conditions per place. [2024-11-12 12:23:40,743 INFO L140 encePairwiseOnDemand]: 131/141 looper letters, 16 selfloop transitions, 2 changer transitions 6/111 dead transitions. [2024-11-12 12:23:40,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 111 transitions, 264 flow [2024-11-12 12:23:40,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:40,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2024-11-12 12:23:40,755 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8416075650118203 [2024-11-12 12:23:40,756 INFO L175 Difference]: Start difference. First operand has 122 places, 123 transitions, 252 flow. Second operand 3 states and 356 transitions. [2024-11-12 12:23:40,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 111 transitions, 264 flow [2024-11-12 12:23:40,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 111 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:23:40,762 INFO L231 Difference]: Finished difference. Result has 114 places, 105 transitions, 216 flow [2024-11-12 12:23:40,763 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=114, PETRI_TRANSITIONS=105} [2024-11-12 12:23:40,765 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -8 predicate places. [2024-11-12 12:23:40,765 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 105 transitions, 216 flow [2024-11-12 12:23:40,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2024-11-12 12:23:40,766 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:40,766 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:23:40,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:23:40,767 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-12 12:23:40,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:40,768 INFO L85 PathProgramCache]: Analyzing trace with hash 840499616, now seen corresponding path program 1 times [2024-11-12 12:23:40,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:40,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446642191] [2024-11-12 12:23:40,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:40,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:40,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446642191] [2024-11-12 12:23:40,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446642191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:40,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:40,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:40,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369668324] [2024-11-12 12:23:40,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:40,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:40,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:40,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:40,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:40,868 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-12 12:23:40,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 105 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2024-11-12 12:23:40,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:40,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-12 12:23:40,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:40,926 INFO L124 PetriNetUnfolderBase]: 6/178 cut-off events. [2024-11-12 12:23:40,927 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-12 12:23:40,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 178 events. 6/178 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 481 event pairs, 1 based on Foata normal form. 2/167 useless extension candidates. Maximal degree in co-relation 183. Up to 17 conditions per place. [2024-11-12 12:23:40,928 INFO L140 encePairwiseOnDemand]: 130/141 looper letters, 13 selfloop transitions, 7 changer transitions 3/108 dead transitions. [2024-11-12 12:23:40,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 108 transitions, 265 flow [2024-11-12 12:23:40,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:40,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2024-11-12 12:23:40,934 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8368794326241135 [2024-11-12 12:23:40,934 INFO L175 Difference]: Start difference. First operand has 114 places, 105 transitions, 216 flow. Second operand 3 states and 354 transitions. [2024-11-12 12:23:40,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 108 transitions, 265 flow [2024-11-12 12:23:40,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 108 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:23:40,940 INFO L231 Difference]: Finished difference. Result has 106 places, 102 transitions, 233 flow [2024-11-12 12:23:40,940 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2024-11-12 12:23:40,941 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -16 predicate places. [2024-11-12 12:23:40,941 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 233 flow [2024-11-12 12:23:40,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2024-11-12 12:23:40,942 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:40,942 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:23:40,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:23:40,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-12 12:23:40,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:40,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1556343009, now seen corresponding path program 1 times [2024-11-12 12:23:40,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:40,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076890707] [2024-11-12 12:23:40,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:40,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:41,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:41,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076890707] [2024-11-12 12:23:41,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076890707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:41,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:41,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:41,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686810741] [2024-11-12 12:23:41,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:41,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:41,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:41,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:41,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:41,060 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-12 12:23:41,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2024-11-12 12:23:41,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:41,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-12 12:23:41,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:41,089 INFO L124 PetriNetUnfolderBase]: 10/190 cut-off events. [2024-11-12 12:23:41,090 INFO L125 PetriNetUnfolderBase]: For 21/24 co-relation queries the response was YES. [2024-11-12 12:23:41,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 190 events. 10/190 cut-off events. For 21/24 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 625 event pairs, 7 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 36. Up to 41 conditions per place. [2024-11-12 12:23:41,091 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 18 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-11-12 12:23:41,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 101 transitions, 271 flow [2024-11-12 12:23:41,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:41,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2024-11-12 12:23:41,093 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8226950354609929 [2024-11-12 12:23:41,093 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 233 flow. Second operand 3 states and 348 transitions. [2024-11-12 12:23:41,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 101 transitions, 271 flow [2024-11-12 12:23:41,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:23:41,095 INFO L231 Difference]: Finished difference. Result has 103 places, 101 transitions, 228 flow [2024-11-12 12:23:41,095 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=103, PETRI_TRANSITIONS=101} [2024-11-12 12:23:41,096 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -19 predicate places. [2024-11-12 12:23:41,096 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 101 transitions, 228 flow [2024-11-12 12:23:41,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2024-11-12 12:23:41,097 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:41,097 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:23:41,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:23:41,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-12 12:23:41,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1654593785, now seen corresponding path program 1 times [2024-11-12 12:23:41,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:41,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241288798] [2024-11-12 12:23:41,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:41,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:41,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:41,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241288798] [2024-11-12 12:23:41,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241288798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:41,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:41,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:41,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094506875] [2024-11-12 12:23:41,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:41,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:41,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:41,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:41,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:41,178 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2024-11-12 12:23:41,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 101 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2024-11-12 12:23:41,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:41,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2024-11-12 12:23:41,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:41,204 INFO L124 PetriNetUnfolderBase]: 17/210 cut-off events. [2024-11-12 12:23:41,204 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-12 12:23:41,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 210 events. 17/210 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 706 event pairs, 7 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 252. Up to 49 conditions per place. [2024-11-12 12:23:41,205 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 17 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-11-12 12:23:41,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 103 transitions, 272 flow [2024-11-12 12:23:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:41,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2024-11-12 12:23:41,207 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2024-11-12 12:23:41,207 INFO L175 Difference]: Start difference. First operand has 103 places, 101 transitions, 228 flow. Second operand 3 states and 360 transitions. [2024-11-12 12:23:41,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 103 transitions, 272 flow [2024-11-12 12:23:41,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 103 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:23:41,209 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 226 flow [2024-11-12 12:23:41,210 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2024-11-12 12:23:41,210 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -20 predicate places. [2024-11-12 12:23:41,210 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 226 flow [2024-11-12 12:23:41,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2024-11-12 12:23:41,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:41,211 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:23:41,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:23:41,211 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-12 12:23:41,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:41,212 INFO L85 PathProgramCache]: Analyzing trace with hash 58778051, now seen corresponding path program 1 times [2024-11-12 12:23:41,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:41,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609099056] [2024-11-12 12:23:41,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:41,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:41,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:41,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:41,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609099056] [2024-11-12 12:23:41,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609099056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:41,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:41,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:41,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782140348] [2024-11-12 12:23:41,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:41,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:41,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:41,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:41,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:41,287 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 141 [2024-11-12 12:23:41,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:23:41,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:41,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 141 [2024-11-12 12:23:41,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:41,314 INFO L124 PetriNetUnfolderBase]: 14/186 cut-off events. [2024-11-12 12:23:41,315 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-12 12:23:41,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 186 events. 14/186 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 548 event pairs, 3 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 164. Up to 24 conditions per place. [2024-11-12 12:23:41,316 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 14 selfloop transitions, 1 changer transitions 16/102 dead transitions. [2024-11-12 12:23:41,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 102 transitions, 262 flow [2024-11-12 12:23:41,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2024-11-12 12:23:41,318 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8699763593380615 [2024-11-12 12:23:41,318 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 226 flow. Second operand 3 states and 368 transitions. [2024-11-12 12:23:41,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 102 transitions, 262 flow [2024-11-12 12:23:41,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 102 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:23:41,321 INFO L231 Difference]: Finished difference. Result has 101 places, 83 transitions, 186 flow [2024-11-12 12:23:41,321 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=101, PETRI_TRANSITIONS=83} [2024-11-12 12:23:41,322 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -21 predicate places. [2024-11-12 12:23:41,323 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 83 transitions, 186 flow [2024-11-12 12:23:41,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 12:23:41,324 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:41,324 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:23:41,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:23:41,324 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-12 12:23:41,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:41,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1430973916, now seen corresponding path program 1 times [2024-11-12 12:23:41,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:41,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795780140] [2024-11-12 12:23:41,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:41,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:41,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:41,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:41,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795780140] [2024-11-12 12:23:41,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795780140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:41,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:41,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:41,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670749540] [2024-11-12 12:23:41,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:41,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:41,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:41,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:41,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:41,435 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-12 12:23:41,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 83 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-12 12:23:41,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:41,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-12 12:23:41,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:41,454 INFO L124 PetriNetUnfolderBase]: 10/153 cut-off events. [2024-11-12 12:23:41,455 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-12 12:23:41,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 153 events. 10/153 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 393 event pairs, 7 based on Foata normal form. 1/147 useless extension candidates. Maximal degree in co-relation 180. Up to 36 conditions per place. [2024-11-12 12:23:41,455 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2024-11-12 12:23:41,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 214 flow [2024-11-12 12:23:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:41,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2024-11-12 12:23:41,457 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8108747044917257 [2024-11-12 12:23:41,457 INFO L175 Difference]: Start difference. First operand has 101 places, 83 transitions, 186 flow. Second operand 3 states and 343 transitions. [2024-11-12 12:23:41,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 82 transitions, 214 flow [2024-11-12 12:23:41,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 82 transitions, 213 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:23:41,458 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-12 12:23:41,458 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-11-12 12:23:41,458 INFO L279 CegarLoopForPetriNet]: 122 programPoint places, -36 predicate places. [2024-11-12 12:23:41,459 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-12 12:23:41,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-12 12:23:41,461 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-12 12:23:41,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-12 12:23:41,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-12 12:23:41,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-12 12:23:41,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-12 12:23:41,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-12 12:23:41,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-12 12:23:41,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-12 12:23:41,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-12 12:23:41,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-12 12:23:41,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-12 12:23:41,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2024-11-12 12:23:41,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-12 12:23:41,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:23:41,464 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-12 12:23:41,468 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:23:41,468 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:23:41,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:23:41 BasicIcfg [2024-11-12 12:23:41,473 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:23:41,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:23:41,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:23:41,474 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:23:41,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:40" (3/4) ... [2024-11-12 12:23:41,475 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:23:41,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-12 12:23:41,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-11-12 12:23:41,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-12 12:23:41,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-12 12:23:41,484 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:23:41,565 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:23:41,565 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:23:41,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:23:41,565 INFO L158 Benchmark]: Toolchain (without parser) took 2797.06ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 74.0MB in the beginning and 123.6MB in the end (delta: -49.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:23:41,566 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:23:41,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.74ms. Allocated memory is still 155.2MB. Free memory was 73.7MB in the beginning and 84.2MB in the end (delta: -10.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-12 12:23:41,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.42ms. Allocated memory is still 155.2MB. Free memory was 84.2MB in the beginning and 80.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:23:41,568 INFO L158 Benchmark]: Boogie Preprocessor took 43.22ms. Allocated memory is still 155.2MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:23:41,568 INFO L158 Benchmark]: RCFGBuilder took 469.52ms. Allocated memory is still 155.2MB. Free memory was 77.9MB in the beginning and 52.2MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-12 12:23:41,568 INFO L158 Benchmark]: TraceAbstraction took 1341.54ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 120.2MB in the beginning and 128.8MB in the end (delta: -8.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-12 12:23:41,568 INFO L158 Benchmark]: Witness Printer took 91.91ms. Allocated memory is still 195.0MB. Free memory was 128.8MB in the beginning and 123.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-12 12:23:41,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 78.2MB in the beginning and 78.1MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.74ms. Allocated memory is still 155.2MB. Free memory was 73.7MB in the beginning and 84.2MB in the end (delta: -10.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.42ms. Allocated memory is still 155.2MB. Free memory was 84.2MB in the beginning and 80.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.22ms. Allocated memory is still 155.2MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.52ms. Allocated memory is still 155.2MB. Free memory was 77.9MB in the beginning and 52.2MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1341.54ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 120.2MB in the beginning and 128.8MB in the end (delta: -8.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Witness Printer took 91.91ms. Allocated memory is still 195.0MB. Free memory was 128.8MB in the beginning and 123.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1731]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 145 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 246 IncrementalHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 75 mSDtfsCounter, 246 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:23:41,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE