./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:02:13,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:02:13,357 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:02:13,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:02:13,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:02:13,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:02:13,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:02:13,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:02:13,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:02:13,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:02:13,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:02:13,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:02:13,398 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:02:13,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:02:13,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:02:13,399 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:02:13,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:02:13,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:02:13,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:02:13,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:02:13,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:02:13,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:02:13,402 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:02:13,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:02:13,402 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:02:13,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:02:13,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:02:13,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:02:13,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:02:13,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:02:13,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:02:13,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:02:13,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:02:13,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:02:13,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:02:13,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:02:13,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:02:13,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:02:13,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:02:13,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:02:13,407 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:02:13,408 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 [2024-10-11 17:02:13,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:02:13,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:02:13,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:02:13,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:02:13,699 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:02:13,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-10-11 17:02:15,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:02:15,575 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:02:15,576 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-10-11 17:02:15,604 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/85b5190d2/3844e6634b6844ecbd097d45a95e17d4/FLAG022eaf095 [2024-10-11 17:02:15,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/85b5190d2/3844e6634b6844ecbd097d45a95e17d4 [2024-10-11 17:02:15,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:02:15,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:02:15,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:02:15,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:02:15,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:02:15,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:02:15" (1/1) ... [2024-10-11 17:02:15,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6774b454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:15, skipping insertion in model container [2024-10-11 17:02:15,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:02:15" (1/1) ... [2024-10-11 17:02:15,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:02:16,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:02:16,539 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:02:16,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:02:16,723 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:02:16,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16 WrapperNode [2024-10-11 17:02:16,724 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:02:16,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:02:16,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:02:16,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:02:16,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,798 INFO L138 Inliner]: procedures = 481, calls = 25, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 128 [2024-10-11 17:02:16,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:02:16,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:02:16,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:02:16,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:02:16,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:02:16,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:02:16,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:02:16,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:02:16,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (1/1) ... [2024-10-11 17:02:16,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:02:16,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:02:16,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:02:16,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:02:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 17:02:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 17:02:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:02:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-11 17:02:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:02:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:02:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 17:02:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 17:02:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:02:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:02:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:02:16,943 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:02:17,248 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:02:17,251 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:02:17,492 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:02:17,493 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:02:17,525 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:02:17,527 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:02:17,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:02:17 BoogieIcfgContainer [2024-10-11 17:02:17,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:02:17,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:02:17,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:02:17,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:02:17,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:02:15" (1/3) ... [2024-10-11 17:02:17,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d3ad62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:02:17, skipping insertion in model container [2024-10-11 17:02:17,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:02:16" (2/3) ... [2024-10-11 17:02:17,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d3ad62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:02:17, skipping insertion in model container [2024-10-11 17:02:17,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:02:17" (3/3) ... [2024-10-11 17:02:17,538 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2024-10-11 17:02:17,558 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:02:17,559 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-11 17:02:17,559 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:02:17,622 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-11 17:02:17,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 157 transitions, 321 flow [2024-10-11 17:02:17,734 INFO L124 PetriNetUnfolderBase]: 9/172 cut-off events. [2024-10-11 17:02:17,736 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:02:17,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 172 events. 9/172 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 288 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2024-10-11 17:02:17,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 157 transitions, 321 flow [2024-10-11 17:02:17,752 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 139 transitions, 284 flow [2024-10-11 17:02:17,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:02:17,773 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;@27d1be41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:02:17,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-10-11 17:02:17,785 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:02:17,786 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-10-11 17:02:17,786 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:02:17,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:17,787 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:17,788 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-10-11 17:02:17,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:17,793 INFO L85 PathProgramCache]: Analyzing trace with hash 395902475, now seen corresponding path program 1 times [2024-10-11 17:02:17,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:17,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449769882] [2024-10-11 17:02:17,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:17,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:18,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:18,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:18,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449769882] [2024-10-11 17:02:18,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449769882] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:18,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:18,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:18,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777257186] [2024-10-11 17:02:18,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:18,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:18,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:18,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:18,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:18,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2024-10-11 17:02:18,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 139 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:18,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:18,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2024-10-11 17:02:18,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:18,450 INFO L124 PetriNetUnfolderBase]: 4/170 cut-off events. [2024-10-11 17:02:18,454 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-11 17:02:18,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 170 events. 4/170 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 383 event pairs, 4 based on Foata normal form. 8/159 useless extension candidates. Maximal degree in co-relation 86. Up to 25 conditions per place. [2024-10-11 17:02:18,457 INFO L140 encePairwiseOnDemand]: 148/157 looper letters, 15 selfloop transitions, 2 changer transitions 6/126 dead transitions. [2024-10-11 17:02:18,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 126 transitions, 292 flow [2024-10-11 17:02:18,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:18,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 405 transitions. [2024-10-11 17:02:18,477 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8598726114649682 [2024-10-11 17:02:18,480 INFO L175 Difference]: Start difference. First operand has 136 places, 139 transitions, 284 flow. Second operand 3 states and 405 transitions. [2024-10-11 17:02:18,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 126 transitions, 292 flow [2024-10-11 17:02:18,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 126 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:02:18,490 INFO L231 Difference]: Finished difference. Result has 129 places, 120 transitions, 246 flow [2024-10-11 17:02:18,494 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=129, PETRI_TRANSITIONS=120} [2024-10-11 17:02:18,499 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -7 predicate places. [2024-10-11 17:02:18,502 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 120 transitions, 246 flow [2024-10-11 17:02:18,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:18,503 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:18,503 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:18,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:02:18,503 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-10-11 17:02:18,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:18,504 INFO L85 PathProgramCache]: Analyzing trace with hash 350773260, now seen corresponding path program 1 times [2024-10-11 17:02:18,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:18,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701954924] [2024-10-11 17:02:18,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:18,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:18,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:18,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701954924] [2024-10-11 17:02:18,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701954924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:18,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:18,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:18,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497782796] [2024-10-11 17:02:18,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:18,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:18,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:18,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:18,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:18,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 157 [2024-10-11 17:02:18,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 120 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:18,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:18,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 157 [2024-10-11 17:02:18,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:18,753 INFO L124 PetriNetUnfolderBase]: 0/132 cut-off events. [2024-10-11 17:02:18,753 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 17:02:18,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 132 events. 0/132 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 209 event pairs, 0 based on Foata normal form. 1/123 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2024-10-11 17:02:18,754 INFO L140 encePairwiseOnDemand]: 146/157 looper letters, 8 selfloop transitions, 6 changer transitions 3/116 dead transitions. [2024-10-11 17:02:18,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 116 transitions, 268 flow [2024-10-11 17:02:18,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2024-10-11 17:02:18,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8365180467091295 [2024-10-11 17:02:18,763 INFO L175 Difference]: Start difference. First operand has 129 places, 120 transitions, 246 flow. Second operand 3 states and 394 transitions. [2024-10-11 17:02:18,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 116 transitions, 268 flow [2024-10-11 17:02:18,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 116 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:02:18,766 INFO L231 Difference]: Finished difference. Result has 119 places, 113 transitions, 240 flow [2024-10-11 17:02:18,767 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=119, PETRI_TRANSITIONS=113} [2024-10-11 17:02:18,768 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -17 predicate places. [2024-10-11 17:02:18,768 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 113 transitions, 240 flow [2024-10-11 17:02:18,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:18,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:18,770 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:18,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:02:18,770 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-10-11 17:02:18,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:18,772 INFO L85 PathProgramCache]: Analyzing trace with hash 71743550, now seen corresponding path program 1 times [2024-10-11 17:02:18,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:18,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260946707] [2024-10-11 17:02:18,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:18,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:18,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:18,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260946707] [2024-10-11 17:02:18,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260946707] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:18,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:18,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:18,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610349225] [2024-10-11 17:02:18,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:18,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:18,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:18,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:18,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:18,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2024-10-11 17:02:18,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 113 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:18,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:18,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2024-10-11 17:02:18,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:18,986 INFO L124 PetriNetUnfolderBase]: 4/155 cut-off events. [2024-10-11 17:02:18,987 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-11 17:02:18,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 155 events. 4/155 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 340 event pairs, 4 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 60. Up to 24 conditions per place. [2024-10-11 17:02:18,988 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 14 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2024-10-11 17:02:18,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 112 transitions, 270 flow [2024-10-11 17:02:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2024-10-11 17:02:18,994 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8450106157112527 [2024-10-11 17:02:18,994 INFO L175 Difference]: Start difference. First operand has 119 places, 113 transitions, 240 flow. Second operand 3 states and 398 transitions. [2024-10-11 17:02:18,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 112 transitions, 270 flow [2024-10-11 17:02:18,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:02:18,997 INFO L231 Difference]: Finished difference. Result has 115 places, 112 transitions, 230 flow [2024-10-11 17:02:18,997 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=115, PETRI_TRANSITIONS=112} [2024-10-11 17:02:18,998 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -21 predicate places. [2024-10-11 17:02:18,998 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 112 transitions, 230 flow [2024-10-11 17:02:18,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:18,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:18,999 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:18,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:02:18,999 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-10-11 17:02:19,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:19,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1466493539, now seen corresponding path program 1 times [2024-10-11 17:02:19,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:19,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317013401] [2024-10-11 17:02:19,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:19,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:19,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:19,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317013401] [2024-10-11 17:02:19,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317013401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:19,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:19,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:19,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348425807] [2024-10-11 17:02:19,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:19,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:19,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:19,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:19,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:19,144 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 157 [2024-10-11 17:02:19,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 112 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:19,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:19,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 157 [2024-10-11 17:02:19,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:19,177 INFO L124 PetriNetUnfolderBase]: 6/171 cut-off events. [2024-10-11 17:02:19,177 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:02:19,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 171 events. 6/171 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 411 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 167. Up to 21 conditions per place. [2024-10-11 17:02:19,178 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 11 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2024-10-11 17:02:19,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 113 transitions, 258 flow [2024-10-11 17:02:19,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 413 transitions. [2024-10-11 17:02:19,181 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8768577494692145 [2024-10-11 17:02:19,182 INFO L175 Difference]: Start difference. First operand has 115 places, 112 transitions, 230 flow. Second operand 3 states and 413 transitions. [2024-10-11 17:02:19,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 113 transitions, 258 flow [2024-10-11 17:02:19,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 113 transitions, 254 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:02:19,187 INFO L231 Difference]: Finished difference. Result has 114 places, 111 transitions, 228 flow [2024-10-11 17:02:19,190 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, 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=228, PETRI_PLACES=114, PETRI_TRANSITIONS=111} [2024-10-11 17:02:19,191 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -22 predicate places. [2024-10-11 17:02:19,191 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 111 transitions, 228 flow [2024-10-11 17:02:19,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:19,191 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:19,192 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:19,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:02:19,192 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-10-11 17:02:19,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:19,193 INFO L85 PathProgramCache]: Analyzing trace with hash 844134307, now seen corresponding path program 1 times [2024-10-11 17:02:19,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:19,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525826135] [2024-10-11 17:02:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:19,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:19,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:19,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525826135] [2024-10-11 17:02:19,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525826135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:19,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:19,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:19,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565759224] [2024-10-11 17:02:19,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:19,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:19,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:19,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:19,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:19,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 157 [2024-10-11 17:02:19,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 111 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:19,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:19,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 157 [2024-10-11 17:02:19,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:19,383 INFO L124 PetriNetUnfolderBase]: 0/126 cut-off events. [2024-10-11 17:02:19,383 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:02:19,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 126 events. 0/126 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 198 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2024-10-11 17:02:19,385 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 12 selfloop transitions, 2 changer transitions 6/110 dead transitions. [2024-10-11 17:02:19,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 110 transitions, 254 flow [2024-10-11 17:02:19,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2024-10-11 17:02:19,388 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8535031847133758 [2024-10-11 17:02:19,388 INFO L175 Difference]: Start difference. First operand has 114 places, 111 transitions, 228 flow. Second operand 3 states and 402 transitions. [2024-10-11 17:02:19,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 110 transitions, 254 flow [2024-10-11 17:02:19,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 110 transitions, 250 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:02:19,393 INFO L231 Difference]: Finished difference. Result has 113 places, 104 transitions, 214 flow [2024-10-11 17:02:19,393 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=113, PETRI_TRANSITIONS=104} [2024-10-11 17:02:19,395 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -23 predicate places. [2024-10-11 17:02:19,396 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 104 transitions, 214 flow [2024-10-11 17:02:19,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:19,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:19,397 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:19,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:02:19,397 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-10-11 17:02:19,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:19,398 INFO L85 PathProgramCache]: Analyzing trace with hash 714389470, now seen corresponding path program 1 times [2024-10-11 17:02:19,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:19,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715121891] [2024-10-11 17:02:19,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:19,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:19,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:19,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715121891] [2024-10-11 17:02:19,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715121891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:19,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:19,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:19,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077510927] [2024-10-11 17:02:19,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:19,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:19,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:19,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:19,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:19,511 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 157 [2024-10-11 17:02:19,512 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 104 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:19,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:19,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 157 [2024-10-11 17:02:19,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:19,541 INFO L124 PetriNetUnfolderBase]: 4/123 cut-off events. [2024-10-11 17:02:19,541 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-10-11 17:02:19,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 123 events. 4/123 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 150 event pairs, 1 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 103. Up to 13 conditions per place. [2024-10-11 17:02:19,542 INFO L140 encePairwiseOnDemand]: 155/157 looper letters, 8 selfloop transitions, 1 changer transitions 19/105 dead transitions. [2024-10-11 17:02:19,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 105 transitions, 234 flow [2024-10-11 17:02:19,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:19,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2024-10-11 17:02:19,545 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8938428874734607 [2024-10-11 17:02:19,545 INFO L175 Difference]: Start difference. First operand has 113 places, 104 transitions, 214 flow. Second operand 3 states and 421 transitions. [2024-10-11 17:02:19,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 105 transitions, 234 flow [2024-10-11 17:02:19,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 105 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:02:19,548 INFO L231 Difference]: Finished difference. Result has 106 places, 84 transitions, 172 flow [2024-10-11 17:02:19,548 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=106, PETRI_TRANSITIONS=84} [2024-10-11 17:02:19,549 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -30 predicate places. [2024-10-11 17:02:19,549 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 84 transitions, 172 flow [2024-10-11 17:02:19,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:19,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:02:19,550 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:19,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:02:19,550 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-10-11 17:02:19,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:02:19,551 INFO L85 PathProgramCache]: Analyzing trace with hash 826849090, now seen corresponding path program 1 times [2024-10-11 17:02:19,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:02:19,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320717474] [2024-10-11 17:02:19,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:02:19,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:02:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:02:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:02:19,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:02:19,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320717474] [2024-10-11 17:02:19,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320717474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:02:19,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:02:19,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:02:19,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244001712] [2024-10-11 17:02:19,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:02:19,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:02:19,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:02:19,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:02:19,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:02:19,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2024-10-11 17:02:19,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 84 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:19,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:02:19,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2024-10-11 17:02:19,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:02:19,753 INFO L124 PetriNetUnfolderBase]: 4/106 cut-off events. [2024-10-11 17:02:19,753 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 17:02:19,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 106 events. 4/106 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 110 event pairs, 4 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 115. Up to 19 conditions per place. [2024-10-11 17:02:19,754 INFO L140 encePairwiseOnDemand]: 155/157 looper letters, 0 selfloop transitions, 0 changer transitions 83/83 dead transitions. [2024-10-11 17:02:19,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 83 transitions, 192 flow [2024-10-11 17:02:19,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:02:19,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:02:19,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-10-11 17:02:19,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8343949044585988 [2024-10-11 17:02:19,756 INFO L175 Difference]: Start difference. First operand has 106 places, 84 transitions, 172 flow. Second operand 3 states and 393 transitions. [2024-10-11 17:02:19,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 83 transitions, 192 flow [2024-10-11 17:02:19,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 83 transitions, 191 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:02:19,758 INFO L231 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2024-10-11 17:02:19,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2024-10-11 17:02:19,759 INFO L277 CegarLoopForPetriNet]: 136 programPoint places, -48 predicate places. [2024-10-11 17:02:19,760 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 0 transitions, 0 flow [2024-10-11 17:02:19,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:02:19,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-10-11 17:02:19,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-10-11 17:02:19,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-10-11 17:02:19,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-10-11 17:02:19,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-10-11 17:02:19,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-10-11 17:02:19,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-10-11 17:02:19,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-10-11 17:02:19,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-10-11 17:02:19,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-10-11 17:02:19,768 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2024-10-11 17:02:19,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-10-11 17:02:19,769 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-10-11 17:02:19,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:02:19,770 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:02:19,776 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:02:19,776 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:02:19,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:02:19 BasicIcfg [2024-10-11 17:02:19,782 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:02:19,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:02:19,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:02:19,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:02:19,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:02:17" (3/4) ... [2024-10-11 17:02:19,789 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:02:19,793 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:02:19,799 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-11 17:02:19,799 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:02:19,800 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:02:19,800 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:02:19,907 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:02:19,908 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:02:19,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:02:19,908 INFO L158 Benchmark]: Toolchain (without parser) took 4284.34ms. Allocated memory was 134.2MB in the beginning and 251.7MB in the end (delta: 117.4MB). Free memory was 60.9MB in the beginning and 197.6MB in the end (delta: -136.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:02:19,909 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:02:19,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1097.70ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 60.6MB in the beginning and 111.1MB in the end (delta: -50.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-10-11 17:02:19,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.49ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 108.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:02:19,910 INFO L158 Benchmark]: Boogie Preprocessor took 41.05ms. Allocated memory is still 184.5MB. Free memory was 108.0MB in the beginning and 104.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 17:02:19,910 INFO L158 Benchmark]: RCFGBuilder took 686.35ms. Allocated memory is still 184.5MB. Free memory was 104.9MB in the beginning and 81.5MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 17:02:19,910 INFO L158 Benchmark]: TraceAbstraction took 2252.41ms. Allocated memory was 184.5MB in the beginning and 251.7MB in the end (delta: 67.1MB). Free memory was 80.8MB in the beginning and 203.9MB in the end (delta: -123.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-10-11 17:02:19,911 INFO L158 Benchmark]: Witness Printer took 124.84ms. Allocated memory is still 251.7MB. Free memory was 203.9MB in the beginning and 197.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 17:02:19,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1097.70ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 60.6MB in the beginning and 111.1MB in the end (delta: -50.5MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.49ms. Allocated memory is still 184.5MB. Free memory was 111.1MB in the beginning and 108.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.05ms. Allocated memory is still 184.5MB. Free memory was 108.0MB in the beginning and 104.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 686.35ms. Allocated memory is still 184.5MB. Free memory was 104.9MB in the beginning and 81.5MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2252.41ms. Allocated memory was 184.5MB in the beginning and 251.7MB in the end (delta: 67.1MB). Free memory was 80.8MB in the beginning and 203.9MB in the end (delta: -123.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Witness Printer took 124.84ms. Allocated memory is still 251.7MB. Free memory was 203.9MB in the beginning and 197.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: 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: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1719]: 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: 1722]: 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, 177 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: 2.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 291 IncrementalHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 35 mSDtfsCounter, 291 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 0.7s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:02:19,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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