./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/lazy01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/lazy01.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:08:48,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:08:48,650 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:08:48,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:08:48,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:08:48,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:08:48,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:08:48,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:08:48,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:08:48,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:08:48,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:08:48,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:08:48,676 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:08:48,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:08:48,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:08:48,676 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:08:48,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:08:48,677 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:08:48,677 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:08:48,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:08:48,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:08:48,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:08:48,679 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> b5d87933b05ad3566f9bc28daac5c0aeceb8a45433a1cac3d51a8d34f7f284f0 [2025-02-08 05:08:48,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:08:48,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:08:48,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:08:48,911 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:08:48,911 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:08:48,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/lazy01.i [2025-02-08 05:08:50,040 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77a79ac85/5af34937fc9c410c8c1765748afb27a9/FLAG06e342c08 [2025-02-08 05:08:50,308 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:08:50,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/lazy01.i [2025-02-08 05:08:50,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77a79ac85/5af34937fc9c410c8c1765748afb27a9/FLAG06e342c08 [2025-02-08 05:08:50,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/77a79ac85/5af34937fc9c410c8c1765748afb27a9 [2025-02-08 05:08:50,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:08:50,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:08:50,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:08:50,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:08:50,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:08:50,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5151e746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50, skipping insertion in model container [2025-02-08 05:08:50,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:08:50,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:08:50,611 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:08:50,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:08:50,685 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:08:50,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50 WrapperNode [2025-02-08 05:08:50,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:08:50,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:08:50,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:08:50,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:08:50,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,720 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2025-02-08 05:08:50,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:08:50,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:08:50,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:08:50,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:08:50,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,734 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:08:50,741 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:08:50,741 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:08:50,741 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:08:50,742 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:08:50,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:08:50,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:08:50,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:08:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-08 05:08:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-08 05:08:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-08 05:08:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-08 05:08:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-08 05:08:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-08 05:08:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:08:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:08:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:08:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:08:50,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:08:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:08:50,789 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:08:50,875 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:08:50,877 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:08:51,026 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:08:51,027 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:08:51,044 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:08:51,044 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:08:51,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:08:51 BoogieIcfgContainer [2025-02-08 05:08:51,044 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:08:51,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:08:51,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:08:51,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:08:51,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:08:50" (1/3) ... [2025-02-08 05:08:51,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee77114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:08:51, skipping insertion in model container [2025-02-08 05:08:51,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (2/3) ... [2025-02-08 05:08:51,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ee77114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:08:51, skipping insertion in model container [2025-02-08 05:08:51,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:08:51" (3/3) ... [2025-02-08 05:08:51,053 INFO L128 eAbstractionObserver]: Analyzing ICFG lazy01.i [2025-02-08 05:08:51,066 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:08:51,067 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG lazy01.i that has 4 procedures, 99 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2025-02-08 05:08:51,067 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:08:51,117 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-08 05:08:51,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 221 flow [2025-02-08 05:08:51,192 INFO L124 PetriNetUnfolderBase]: 2/97 cut-off events. [2025-02-08 05:08:51,195 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 05:08:51,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 97 events. 2/97 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 164 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2025-02-08 05:08:51,199 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 221 flow [2025-02-08 05:08:51,203 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 92 transitions, 199 flow [2025-02-08 05:08:51,211 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:08:51,219 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;@54afd599, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:08:51,219 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-02-08 05:08:51,228 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:08:51,229 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2025-02-08 05:08:51,229 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:08:51,229 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:08:51,230 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:08:51,230 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:08:51,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:08:51,234 INFO L85 PathProgramCache]: Analyzing trace with hash 819543371, now seen corresponding path program 1 times [2025-02-08 05:08:51,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:08:51,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69547589] [2025-02-08 05:08:51,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:08:51,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:08:51,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 05:08:51,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 05:08:51,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:08:51,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:51,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:08:51,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69547589] [2025-02-08 05:08:51,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69547589] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:08:51,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:08:51,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:08:51,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937053172] [2025-02-08 05:08:51,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:08:51,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:08:51,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:08:51,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:08:51,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:08:51,488 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 100 [2025-02-08 05:08:51,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 92 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2025-02-08 05:08:51,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:08:51,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 100 [2025-02-08 05:08:51,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:08:51,814 INFO L124 PetriNetUnfolderBase]: 619/1946 cut-off events. [2025-02-08 05:08:51,814 INFO L125 PetriNetUnfolderBase]: For 289/289 co-relation queries the response was YES. [2025-02-08 05:08:51,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3210 conditions, 1946 events. 619/1946 cut-off events. For 289/289 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 16046 event pairs, 252 based on Foata normal form. 160/1870 useless extension candidates. Maximal degree in co-relation 3080. Up to 587 conditions per place. [2025-02-08 05:08:51,835 INFO L140 encePairwiseOnDemand]: 87/100 looper letters, 31 selfloop transitions, 8 changer transitions 1/106 dead transitions. [2025-02-08 05:08:51,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 106 transitions, 319 flow [2025-02-08 05:08:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:08:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:08:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2025-02-08 05:08:51,848 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8966666666666666 [2025-02-08 05:08:51,850 INFO L175 Difference]: Start difference. First operand has 100 places, 92 transitions, 199 flow. Second operand 3 states and 269 transitions. [2025-02-08 05:08:51,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 106 transitions, 319 flow [2025-02-08 05:08:51,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 106 transitions, 303 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-08 05:08:51,859 INFO L231 Difference]: Finished difference. Result has 97 places, 96 transitions, 252 flow [2025-02-08 05:08:51,861 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=252, PETRI_PLACES=97, PETRI_TRANSITIONS=96} [2025-02-08 05:08:51,864 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -3 predicate places. [2025-02-08 05:08:51,864 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 96 transitions, 252 flow [2025-02-08 05:08:51,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 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) [2025-02-08 05:08:51,865 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:08:51,865 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:08:51,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:08:51,865 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:08:51,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:08:51,867 INFO L85 PathProgramCache]: Analyzing trace with hash 292144665, now seen corresponding path program 1 times [2025-02-08 05:08:51,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:08:51,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363620925] [2025-02-08 05:08:51,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:08:51,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:08:51,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 05:08:51,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 05:08:51,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:08:51,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:51,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:08:51,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363620925] [2025-02-08 05:08:51,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363620925] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:08:51,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:08:51,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:08:51,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393671648] [2025-02-08 05:08:51,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:08:51,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:08:51,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:08:51,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:08:51,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:08:51,982 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 100 [2025-02-08 05:08:51,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 96 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2025-02-08 05:08:51,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:08:51,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 100 [2025-02-08 05:08:51,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:08:52,252 INFO L124 PetriNetUnfolderBase]: 809/2625 cut-off events. [2025-02-08 05:08:52,253 INFO L125 PetriNetUnfolderBase]: For 873/925 co-relation queries the response was YES. [2025-02-08 05:08:52,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5000 conditions, 2625 events. 809/2625 cut-off events. For 873/925 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 23731 event pairs, 457 based on Foata normal form. 13/2379 useless extension candidates. Maximal degree in co-relation 4244. Up to 1078 conditions per place. [2025-02-08 05:08:52,272 INFO L140 encePairwiseOnDemand]: 93/100 looper letters, 29 selfloop transitions, 10 changer transitions 0/110 dead transitions. [2025-02-08 05:08:52,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 110 transitions, 379 flow [2025-02-08 05:08:52,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:08:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:08:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2025-02-08 05:08:52,276 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-02-08 05:08:52,277 INFO L175 Difference]: Start difference. First operand has 97 places, 96 transitions, 252 flow. Second operand 3 states and 260 transitions. [2025-02-08 05:08:52,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 110 transitions, 379 flow [2025-02-08 05:08:52,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 110 transitions, 357 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:08:52,284 INFO L231 Difference]: Finished difference. Result has 99 places, 104 transitions, 322 flow [2025-02-08 05:08:52,285 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=99, PETRI_TRANSITIONS=104} [2025-02-08 05:08:52,285 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -1 predicate places. [2025-02-08 05:08:52,285 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 104 transitions, 322 flow [2025-02-08 05:08:52,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2025-02-08 05:08:52,286 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:08:52,286 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:08:52,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:08:52,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:08:52,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:08:52,287 INFO L85 PathProgramCache]: Analyzing trace with hash 368677878, now seen corresponding path program 1 times [2025-02-08 05:08:52,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:08:52,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33870836] [2025-02-08 05:08:52,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:08:52,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:08:52,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 05:08:52,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 05:08:52,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:08:52,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:52,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:08:52,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33870836] [2025-02-08 05:08:52,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33870836] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:08:52,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:08:52,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:08:52,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259674646] [2025-02-08 05:08:52,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:08:52,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:08:52,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:08:52,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:08:52,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:08:52,389 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 100 [2025-02-08 05:08:52,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 104 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2025-02-08 05:08:52,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:08:52,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 100 [2025-02-08 05:08:52,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:08:52,716 INFO L124 PetriNetUnfolderBase]: 1155/3469 cut-off events. [2025-02-08 05:08:52,717 INFO L125 PetriNetUnfolderBase]: For 1983/2010 co-relation queries the response was YES. [2025-02-08 05:08:52,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7258 conditions, 3469 events. 1155/3469 cut-off events. For 1983/2010 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 32422 event pairs, 559 based on Foata normal form. 0/3088 useless extension candidates. Maximal degree in co-relation 6298. Up to 1440 conditions per place. [2025-02-08 05:08:52,740 INFO L140 encePairwiseOnDemand]: 93/100 looper letters, 33 selfloop transitions, 13 changer transitions 0/119 dead transitions. [2025-02-08 05:08:52,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 119 transitions, 477 flow [2025-02-08 05:08:52,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:08:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:08:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2025-02-08 05:08:52,742 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-02-08 05:08:52,743 INFO L175 Difference]: Start difference. First operand has 99 places, 104 transitions, 322 flow. Second operand 3 states and 260 transitions. [2025-02-08 05:08:52,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 119 transitions, 477 flow [2025-02-08 05:08:52,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 119 transitions, 451 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:08:52,750 INFO L231 Difference]: Finished difference. Result has 101 places, 113 transitions, 416 flow [2025-02-08 05:08:52,751 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=101, PETRI_TRANSITIONS=113} [2025-02-08 05:08:52,751 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, 1 predicate places. [2025-02-08 05:08:52,751 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 113 transitions, 416 flow [2025-02-08 05:08:52,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2025-02-08 05:08:52,752 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:08:52,752 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:08:52,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:08:52,752 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2025-02-08 05:08:52,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:08:52,753 INFO L85 PathProgramCache]: Analyzing trace with hash -514769951, now seen corresponding path program 1 times [2025-02-08 05:08:52,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:08:52,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979010292] [2025-02-08 05:08:52,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:08:52,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:08:52,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 05:08:52,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 05:08:52,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:08:52,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:52,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:08:52,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979010292] [2025-02-08 05:08:52,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979010292] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:08:52,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:08:52,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:08:52,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068630337] [2025-02-08 05:08:52,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:08:52,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:08:52,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:08:52,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:08:52,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:08:52,874 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 100 [2025-02-08 05:08:52,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 113 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2025-02-08 05:08:52,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:08:52,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 100 [2025-02-08 05:08:52,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:08:52,920 INFO L124 PetriNetUnfolderBase]: 25/291 cut-off events. [2025-02-08 05:08:52,920 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2025-02-08 05:08:52,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 291 events. 25/291 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1189 event pairs, 4 based on Foata normal form. 16/298 useless extension candidates. Maximal degree in co-relation 264. Up to 41 conditions per place. [2025-02-08 05:08:52,921 INFO L140 encePairwiseOnDemand]: 94/100 looper letters, 0 selfloop transitions, 0 changer transitions 89/89 dead transitions. [2025-02-08 05:08:52,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 89 transitions, 275 flow [2025-02-08 05:08:52,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:08:52,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:08:52,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2025-02-08 05:08:52,922 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8966666666666666 [2025-02-08 05:08:52,922 INFO L175 Difference]: Start difference. First operand has 101 places, 113 transitions, 416 flow. Second operand 3 states and 269 transitions. [2025-02-08 05:08:52,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 89 transitions, 275 flow [2025-02-08 05:08:52,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 89 transitions, 237 flow, removed 13 selfloop flow, removed 6 redundant places. [2025-02-08 05:08:52,924 INFO L231 Difference]: Finished difference. Result has 92 places, 0 transitions, 0 flow [2025-02-08 05:08:52,924 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=92, PETRI_TRANSITIONS=0} [2025-02-08 05:08:52,924 INFO L279 CegarLoopForPetriNet]: 100 programPoint places, -8 predicate places. [2025-02-08 05:08:52,925 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 0 transitions, 0 flow [2025-02-08 05:08:52,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2025-02-08 05:08:52,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2025-02-08 05:08:52,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2025-02-08 05:08:52,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2025-02-08 05:08:52,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2025-02-08 05:08:52,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2025-02-08 05:08:52,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 13 remaining) [2025-02-08 05:08:52,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2025-02-08 05:08:52,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 13 remaining) [2025-02-08 05:08:52,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2025-02-08 05:08:52,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2025-02-08 05:08:52,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2025-02-08 05:08:52,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2025-02-08 05:08:52,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2025-02-08 05:08:52,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:08:52,930 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-08 05:08:52,933 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:08:52,934 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:08:52,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:08:52 BasicIcfg [2025-02-08 05:08:52,941 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:08:52,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:08:52,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:08:52,942 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:08:52,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:08:51" (3/4) ... [2025-02-08 05:08:52,944 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:08:52,946 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-08 05:08:52,946 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-08 05:08:52,946 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-08 05:08:52,948 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-02-08 05:08:52,948 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 05:08:52,948 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:08:52,948 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:08:53,000 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:08:53,000 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:08:53,000 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:08:53,001 INFO L158 Benchmark]: Toolchain (without parser) took 2663.72ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 104.6MB in the beginning and 193.6MB in the end (delta: -89.0MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2025-02-08 05:08:53,001 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 201.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:08:53,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.10ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 85.1MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:08:53,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.71ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 82.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:08:53,001 INFO L158 Benchmark]: Boogie Preprocessor took 19.08ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:08:53,001 INFO L158 Benchmark]: IcfgBuilder took 302.99ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 66.0MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:08:53,001 INFO L158 Benchmark]: TraceAbstraction took 1895.30ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 66.0MB in the beginning and 199.0MB in the end (delta: -132.9MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2025-02-08 05:08:53,001 INFO L158 Benchmark]: Witness Printer took 57.95ms. Allocated memory is still 327.2MB. Free memory was 199.0MB in the beginning and 193.6MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:08:53,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 201.3MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.10ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 85.1MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.71ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 82.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.08ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 302.99ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 66.0MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1895.30ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 66.0MB in the beginning and 199.0MB in the end (delta: -132.9MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Witness Printer took 57.95ms. Allocated memory is still 327.2MB. Free memory was 199.0MB in the beginning and 193.6MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: 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 7 procedures, 155 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 191 IncrementalHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 24 mSDtfsCounter, 191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 0.3s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:08:53,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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