./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/pthread/bigshot_s.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/pthread/bigshot_s.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 4d8c741fd238f074816319de9a9bd5d97cd9b35eb7f53a276be973ea0c31ecbe --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 16:44:35,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 16:44:35,367 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 16:44:35,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 16:44:35,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 16:44:35,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 16:44:35,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 16:44:35,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 16:44:35,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 16:44:35,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 16:44:35,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 16:44:35,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 16:44:35,397 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 16:44:35,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 16:44:35,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 16:44:35,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 16:44:35,399 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 16:44:35,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 16:44:35,399 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 16:44:35,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 16:44:35,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 16:44:35,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 16:44:35,401 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 16:44:35,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 16:44:35,401 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 16:44:35,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 16:44:35,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 16:44:35,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 16:44:35,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 16:44:35,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 16:44:35,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 16:44:35,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:44:35,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 16:44:35,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 16:44:35,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 16:44:35,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 16:44:35,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 16:44:35,406 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 16:44:35,406 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 16:44:35,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 16:44:35,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 16:44:35,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d8c741fd238f074816319de9a9bd5d97cd9b35eb7f53a276be973ea0c31ecbe [2024-10-11 16:44:35,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 16:44:35,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 16:44:35,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 16:44:35,701 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 16:44:35,701 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 16:44:35,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2024-10-11 16:44:37,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 16:44:37,332 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 16:44:37,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s.i [2024-10-11 16:44:37,348 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8d47f97f4/2879a8a7046a43dd8288c062fe2e9184/FLAG2de8832be [2024-10-11 16:44:37,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8d47f97f4/2879a8a7046a43dd8288c062fe2e9184 [2024-10-11 16:44:37,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 16:44:37,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 16:44:37,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 16:44:37,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 16:44:37,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 16:44:37,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:44:37" (1/1) ... [2024-10-11 16:44:37,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ced667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:37, skipping insertion in model container [2024-10-11 16:44:37,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:44:37" (1/1) ... [2024-10-11 16:44:37,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 16:44:38,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:44:38,193 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 16:44:38,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:44:38,304 INFO L204 MainTranslator]: Completed translation [2024-10-11 16:44:38,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38 WrapperNode [2024-10-11 16:44:38,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 16:44:38,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 16:44:38,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 16:44:38,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 16:44:38,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,354 INFO L138 Inliner]: procedures = 322, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-10-11 16:44:38,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 16:44:38,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 16:44:38,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 16:44:38,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 16:44:38,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 16:44:38,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 16:44:38,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 16:44:38,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 16:44:38,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (1/1) ... [2024-10-11 16:44:38,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:44:38,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:44:38,423 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 16:44:38,430 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 16:44:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-10-11 16:44:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 16:44:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 16:44:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 16:44:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 16:44:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 16:44:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 16:44:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 16:44:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 16:44:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 16:44:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 16:44:38,481 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 16:44:38,641 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 16:44:38,643 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 16:44:38,851 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 16:44:38,851 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 16:44:38,864 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 16:44:38,865 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 16:44:38,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:44:38 BoogieIcfgContainer [2024-10-11 16:44:38,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 16:44:38,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 16:44:38,867 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 16:44:38,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 16:44:38,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:44:37" (1/3) ... [2024-10-11 16:44:38,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3972cedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:44:38, skipping insertion in model container [2024-10-11 16:44:38,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:44:38" (2/3) ... [2024-10-11 16:44:38,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3972cedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:44:38, skipping insertion in model container [2024-10-11 16:44:38,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:44:38" (3/3) ... [2024-10-11 16:44:38,875 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2024-10-11 16:44:38,892 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 16:44:38,892 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 16:44:38,893 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 16:44:38,953 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 16:44:38,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 105 transitions, 224 flow [2024-10-11 16:44:39,028 INFO L124 PetriNetUnfolderBase]: 6/103 cut-off events. [2024-10-11 16:44:39,029 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 16:44:39,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 103 events. 6/103 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 95 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2024-10-11 16:44:39,034 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 105 transitions, 224 flow [2024-10-11 16:44:39,038 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 81 transitions, 174 flow [2024-10-11 16:44:39,046 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 16:44:39,052 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;@1816fe6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 16:44:39,053 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-10-11 16:44:39,081 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 16:44:39,086 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-10-11 16:44:39,086 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:44:39,086 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:44:39,087 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:44:39,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-11 16:44:39,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:44:39,098 INFO L85 PathProgramCache]: Analyzing trace with hash -888856913, now seen corresponding path program 1 times [2024-10-11 16:44:39,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:44:39,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027906461] [2024-10-11 16:44:39,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:44:39,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:44:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:44:39,398 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 16:44:39,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:44:39,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027906461] [2024-10-11 16:44:39,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027906461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:44:39,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:44:39,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:44:39,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831818818] [2024-10-11 16:44:39,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:44:39,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:44:39,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:44:39,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:44:39,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:44:39,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 105 [2024-10-11 16:44:39,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 81 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 16:44:39,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:44:39,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 105 [2024-10-11 16:44:39,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:44:39,518 INFO L124 PetriNetUnfolderBase]: 2/79 cut-off events. [2024-10-11 16:44:39,518 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-11 16:44:39,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 79 events. 2/79 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 1/74 useless extension candidates. Maximal degree in co-relation 51. Up to 11 conditions per place. [2024-10-11 16:44:39,522 INFO L140 encePairwiseOnDemand]: 101/105 looper letters, 10 selfloop transitions, 2 changer transitions 0/79 dead transitions. [2024-10-11 16:44:39,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 79 transitions, 194 flow [2024-10-11 16:44:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:44:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:44:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 278 transitions. [2024-10-11 16:44:39,537 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8825396825396825 [2024-10-11 16:44:39,540 INFO L175 Difference]: Start difference. First operand has 85 places, 81 transitions, 174 flow. Second operand 3 states and 278 transitions. [2024-10-11 16:44:39,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 79 transitions, 194 flow [2024-10-11 16:44:39,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 79 transitions, 186 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 16:44:39,549 INFO L231 Difference]: Finished difference. Result has 82 places, 79 transitions, 166 flow [2024-10-11 16:44:39,552 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=82, PETRI_TRANSITIONS=79} [2024-10-11 16:44:39,556 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -3 predicate places. [2024-10-11 16:44:39,556 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 79 transitions, 166 flow [2024-10-11 16:44:39,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 16:44:39,560 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:44:39,560 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] [2024-10-11 16:44:39,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 16:44:39,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-11 16:44:39,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:44:39,562 INFO L85 PathProgramCache]: Analyzing trace with hash -700311591, now seen corresponding path program 1 times [2024-10-11 16:44:39,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:44:39,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771046806] [2024-10-11 16:44:39,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:44:39,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:44:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:44:39,696 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 16:44:39,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:44:39,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771046806] [2024-10-11 16:44:39,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771046806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:44:39,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:44:39,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:44:39,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687906025] [2024-10-11 16:44:39,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:44:39,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:44:39,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:44:39,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:44:39,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:44:39,727 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 105 [2024-10-11 16:44:39,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 79 transitions, 166 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 16:44:39,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:44:39,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 105 [2024-10-11 16:44:39,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:44:39,758 INFO L124 PetriNetUnfolderBase]: 2/75 cut-off events. [2024-10-11 16:44:39,758 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 16:44:39,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 75 events. 2/75 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 55. Up to 9 conditions per place. [2024-10-11 16:44:39,759 INFO L140 encePairwiseOnDemand]: 100/105 looper letters, 12 selfloop transitions, 1 changer transitions 0/75 dead transitions. [2024-10-11 16:44:39,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 75 transitions, 184 flow [2024-10-11 16:44:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:44:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:44:39,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2024-10-11 16:44:39,763 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8539682539682539 [2024-10-11 16:44:39,763 INFO L175 Difference]: Start difference. First operand has 82 places, 79 transitions, 166 flow. Second operand 3 states and 269 transitions. [2024-10-11 16:44:39,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 75 transitions, 184 flow [2024-10-11 16:44:39,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:44:39,765 INFO L231 Difference]: Finished difference. Result has 78 places, 75 transitions, 156 flow [2024-10-11 16:44:39,765 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2024-10-11 16:44:39,766 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -7 predicate places. [2024-10-11 16:44:39,766 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 75 transitions, 156 flow [2024-10-11 16:44:39,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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 16:44:39,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:44:39,767 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] [2024-10-11 16:44:39,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 16:44:39,767 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-11 16:44:39,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:44:39,768 INFO L85 PathProgramCache]: Analyzing trace with hash 498071332, now seen corresponding path program 1 times [2024-10-11 16:44:39,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:44:39,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081336329] [2024-10-11 16:44:39,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:44:39,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:44:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:44:39,979 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 16:44:39,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:44:39,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081336329] [2024-10-11 16:44:39,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081336329] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:44:39,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:44:39,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:44:39,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355557976] [2024-10-11 16:44:39,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:44:39,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:44:39,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:44:39,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:44:39,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:44:40,027 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 105 [2024-10-11 16:44:40,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 75 transitions, 156 flow. Second operand has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 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 16:44:40,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:44:40,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 105 [2024-10-11 16:44:40,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:44:40,085 INFO L124 PetriNetUnfolderBase]: 1/74 cut-off events. [2024-10-11 16:44:40,085 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 16:44:40,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 74 events. 1/74 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 1/74 useless extension candidates. Maximal degree in co-relation 32. Up to 4 conditions per place. [2024-10-11 16:44:40,086 INFO L140 encePairwiseOnDemand]: 101/105 looper letters, 5 selfloop transitions, 3 changer transitions 0/74 dead transitions. [2024-10-11 16:44:40,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 74 transitions, 170 flow [2024-10-11 16:44:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:44:40,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 16:44:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 469 transitions. [2024-10-11 16:44:40,091 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8933333333333333 [2024-10-11 16:44:40,091 INFO L175 Difference]: Start difference. First operand has 78 places, 75 transitions, 156 flow. Second operand 5 states and 469 transitions. [2024-10-11 16:44:40,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 74 transitions, 170 flow [2024-10-11 16:44:40,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 74 transitions, 169 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 16:44:40,094 INFO L231 Difference]: Finished difference. Result has 81 places, 74 transitions, 159 flow [2024-10-11 16:44:40,094 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=159, PETRI_PLACES=81, PETRI_TRANSITIONS=74} [2024-10-11 16:44:40,095 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -4 predicate places. [2024-10-11 16:44:40,096 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 74 transitions, 159 flow [2024-10-11 16:44:40,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 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 16:44:40,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:44:40,097 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] [2024-10-11 16:44:40,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 16:44:40,097 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-10-11 16:44:40,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:44:40,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1296365055, now seen corresponding path program 1 times [2024-10-11 16:44:40,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:44:40,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446401803] [2024-10-11 16:44:40,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:44:40,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:44:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:44:40,295 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 16:44:40,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:44:40,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446401803] [2024-10-11 16:44:40,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446401803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:44:40,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:44:40,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:44:40,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578265213] [2024-10-11 16:44:40,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:44:40,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:44:40,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:44:40,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:44:40,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:44:40,321 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 105 [2024-10-11 16:44:40,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 74 transitions, 159 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 16:44:40,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:44:40,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 105 [2024-10-11 16:44:40,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:44:40,349 INFO L124 PetriNetUnfolderBase]: 1/73 cut-off events. [2024-10-11 16:44:40,351 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 16:44:40,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 73 events. 1/73 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 9 event pairs, 0 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 48. Up to 7 conditions per place. [2024-10-11 16:44:40,351 INFO L140 encePairwiseOnDemand]: 103/105 looper letters, 0 selfloop transitions, 0 changer transitions 73/73 dead transitions. [2024-10-11 16:44:40,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 73 transitions, 171 flow [2024-10-11 16:44:40,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:44:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:44:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2024-10-11 16:44:40,354 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9015873015873016 [2024-10-11 16:44:40,354 INFO L175 Difference]: Start difference. First operand has 81 places, 74 transitions, 159 flow. Second operand 3 states and 284 transitions. [2024-10-11 16:44:40,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 73 transitions, 171 flow [2024-10-11 16:44:40,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 73 transitions, 166 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 16:44:40,357 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2024-10-11 16:44:40,357 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2024-10-11 16:44:40,358 INFO L277 CegarLoopForPetriNet]: 85 programPoint places, -6 predicate places. [2024-10-11 16:44:40,358 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2024-10-11 16:44:40,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 16:44:40,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2024-10-11 16:44:40,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2024-10-11 16:44:40,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2024-10-11 16:44:40,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2024-10-11 16:44:40,364 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2024-10-11 16:44:40,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2024-10-11 16:44:40,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2024-10-11 16:44:40,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2024-10-11 16:44:40,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2024-10-11 16:44:40,365 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2024-10-11 16:44:40,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2024-10-11 16:44:40,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 16:44:40,366 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 16:44:40,374 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 16:44:40,375 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 16:44:40,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:44:40 BasicIcfg [2024-10-11 16:44:40,384 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 16:44:40,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 16:44:40,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 16:44:40,387 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 16:44:40,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:44:38" (3/4) ... [2024-10-11 16:44:40,389 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 16:44:40,393 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 16:44:40,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 16:44:40,399 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-11 16:44:40,399 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 16:44:40,399 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-11 16:44:40,399 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 16:44:40,400 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 16:44:40,477 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 16:44:40,478 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 16:44:40,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 16:44:40,479 INFO L158 Benchmark]: Toolchain (without parser) took 2863.83ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 138.3MB in the beginning and 147.2MB in the end (delta: -8.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-10-11 16:44:40,479 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:44:40,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.74ms. Allocated memory is still 172.0MB. Free memory was 138.3MB in the beginning and 103.3MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-10-11 16:44:40,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.38ms. Allocated memory is still 172.0MB. Free memory was 103.3MB in the beginning and 100.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 16:44:40,480 INFO L158 Benchmark]: Boogie Preprocessor took 32.55ms. Allocated memory is still 172.0MB. Free memory was 100.6MB in the beginning and 99.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:44:40,480 INFO L158 Benchmark]: RCFGBuilder took 476.67ms. Allocated memory is still 172.0MB. Free memory was 99.3MB in the beginning and 83.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 16:44:40,480 INFO L158 Benchmark]: TraceAbstraction took 1516.85ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 83.2MB in the beginning and 152.4MB in the end (delta: -69.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:44:40,481 INFO L158 Benchmark]: Witness Printer took 91.56ms. Allocated memory is still 209.7MB. Free memory was 152.4MB in the beginning and 147.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 16:44:40,482 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 172.0MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.74ms. Allocated memory is still 172.0MB. Free memory was 138.3MB in the beginning and 103.3MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.38ms. Allocated memory is still 172.0MB. Free memory was 103.3MB in the beginning and 100.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.55ms. Allocated memory is still 172.0MB. Free memory was 100.6MB in the beginning and 99.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.67ms. Allocated memory is still 172.0MB. Free memory was 99.3MB in the beginning and 83.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1516.85ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 83.2MB in the beginning and 152.4MB in the end (delta: -69.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.56ms. Allocated memory is still 209.7MB. Free memory was 152.4MB in the beginning and 147.2MB 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: 1111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: 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 5 procedures, 137 locations, 11 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: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 40 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 0.6s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 16:44:40,511 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