./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.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/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.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 dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:36:49,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:36:49,333 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:36:49,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:36:49,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:36:49,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:36:49,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:36:49,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:36:49,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:36:49,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:36:49,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:36:49,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:36:49,377 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:36:49,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:36:49,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:36:49,377 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:36:49,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:36:49,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:36:49,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:36:49,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:36:49,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:36:49,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:36:49,379 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:36:49,379 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:36:49,379 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:36:49,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:36:49,379 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:36:49,379 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:36:49,379 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:36:49,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:36:49,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:36:49,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:36:49,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:36:49,380 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 -> dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c [2025-02-08 05:36:49,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:36:49,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:36:49,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:36:49,662 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:36:49,662 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:36:49,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2025-02-08 05:36:50,956 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/770e78f7c/d29cac65bbdd4af8b7d2c269746373bc/FLAGf775885c1 [2025-02-08 05:36:51,257 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:36:51,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2025-02-08 05:36:51,269 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/770e78f7c/d29cac65bbdd4af8b7d2c269746373bc/FLAGf775885c1 [2025-02-08 05:36:51,284 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/770e78f7c/d29cac65bbdd4af8b7d2c269746373bc [2025-02-08 05:36:51,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:36:51,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:36:51,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:36:51,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:36:51,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:36:51,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765f7fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51, skipping insertion in model container [2025-02-08 05:36:51,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:36:51,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:36:51,672 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:36:51,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:36:51,759 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:36:51,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51 WrapperNode [2025-02-08 05:36:51,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:36:51,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:36:51,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:36:51,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:36:51,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,801 INFO L138 Inliner]: procedures = 163, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2025-02-08 05:36:51,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:36:51,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:36:51,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:36:51,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:36:51,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,825 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:36:51,836 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:36:51,836 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:36:51,836 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:36:51,837 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (1/1) ... [2025-02-08 05:36:51,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:36:51,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:36:51,867 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 05:36:51,872 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 05:36:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:36:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:36:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-08 05:36:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-08 05:36:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:36:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:36:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:36:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:36:51,892 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 05:36:52,011 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:36:52,012 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:36:52,225 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:36:52,225 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:36:52,276 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:36:52,277 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:36:52,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:36:52 BoogieIcfgContainer [2025-02-08 05:36:52,278 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:36:52,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:36:52,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:36:52,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:36:52,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:36:51" (1/3) ... [2025-02-08 05:36:52,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a27608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:36:52, skipping insertion in model container [2025-02-08 05:36:52,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:51" (2/3) ... [2025-02-08 05:36:52,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a27608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:36:52, skipping insertion in model container [2025-02-08 05:36:52,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:36:52" (3/3) ... [2025-02-08 05:36:52,288 INFO L128 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2025-02-08 05:36:52,304 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:36:52,306 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i that has 2 procedures, 92 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-02-08 05:36:52,307 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:36:52,371 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 05:36:52,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 94 transitions, 192 flow [2025-02-08 05:36:52,457 INFO L124 PetriNetUnfolderBase]: 3/93 cut-off events. [2025-02-08 05:36:52,459 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:36:52,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 93 events. 3/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 110 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2025-02-08 05:36:52,465 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 94 transitions, 192 flow [2025-02-08 05:36:52,469 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 93 transitions, 189 flow [2025-02-08 05:36:52,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:36:52,490 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;@79085b7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:36:52,491 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-08 05:36:52,511 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:36:52,514 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2025-02-08 05:36:52,515 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:36:52,515 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:36:52,516 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] [2025-02-08 05:36:52,516 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 05:36:52,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:36:52,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1292235867, now seen corresponding path program 1 times [2025-02-08 05:36:52,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:36:52,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218709566] [2025-02-08 05:36:52,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:36:52,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:36:52,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 05:36:52,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 05:36:52,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:36:52,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:36:52,779 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 05:36:52,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:36:52,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218709566] [2025-02-08 05:36:52,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218709566] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:36:52,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:36:52,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:36:52,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604915894] [2025-02-08 05:36:52,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:36:52,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:36:52,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:36:52,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:36:52,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:36:52,838 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 94 [2025-02-08 05:36:52,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 93 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 05:36:52,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:36:52,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 94 [2025-02-08 05:36:52,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:36:53,018 INFO L124 PetriNetUnfolderBase]: 53/363 cut-off events. [2025-02-08 05:36:53,018 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:36:53,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 363 events. 53/363 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1904 event pairs, 27 based on Foata normal form. 17/352 useless extension candidates. Maximal degree in co-relation 456. Up to 85 conditions per place. [2025-02-08 05:36:53,023 INFO L140 encePairwiseOnDemand]: 88/94 looper letters, 19 selfloop transitions, 3 changer transitions 2/97 dead transitions. [2025-02-08 05:36:53,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 97 transitions, 245 flow [2025-02-08 05:36:53,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:36:53,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:36:53,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2025-02-08 05:36:53,037 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900709219858156 [2025-02-08 05:36:53,038 INFO L175 Difference]: Start difference. First operand has 94 places, 93 transitions, 189 flow. Second operand 3 states and 254 transitions. [2025-02-08 05:36:53,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 97 transitions, 245 flow [2025-02-08 05:36:53,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 97 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:36:53,050 INFO L231 Difference]: Finished difference. Result has 95 places, 91 transitions, 202 flow [2025-02-08 05:36:53,052 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2025-02-08 05:36:53,057 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 1 predicate places. [2025-02-08 05:36:53,058 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 202 flow [2025-02-08 05:36:53,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 05:36:53,059 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:36:53,060 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] [2025-02-08 05:36:53,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:36:53,060 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 05:36:53,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:36:53,062 INFO L85 PathProgramCache]: Analyzing trace with hash -336631252, now seen corresponding path program 1 times [2025-02-08 05:36:53,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:36:53,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939425527] [2025-02-08 05:36:53,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:36:53,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:36:53,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 05:36:53,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 05:36:53,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:36:53,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:36:53,162 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 05:36:53,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:36:53,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939425527] [2025-02-08 05:36:53,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939425527] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:36:53,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:36:53,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:36:53,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255861131] [2025-02-08 05:36:53,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:36:53,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:36:53,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:36:53,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:36:53,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:36:53,194 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 94 [2025-02-08 05:36:53,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 91 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 05:36:53,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:36:53,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 94 [2025-02-08 05:36:53,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:36:53,310 INFO L124 PetriNetUnfolderBase]: 91/429 cut-off events. [2025-02-08 05:36:53,310 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2025-02-08 05:36:53,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 688 conditions, 429 events. 91/429 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2444 event pairs, 55 based on Foata normal form. 0/396 useless extension candidates. Maximal degree in co-relation 648. Up to 164 conditions per place. [2025-02-08 05:36:53,339 INFO L140 encePairwiseOnDemand]: 88/94 looper letters, 21 selfloop transitions, 6 changer transitions 3/101 dead transitions. [2025-02-08 05:36:53,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 101 transitions, 284 flow [2025-02-08 05:36:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:36:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:36:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2025-02-08 05:36:53,344 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8794326241134752 [2025-02-08 05:36:53,344 INFO L175 Difference]: Start difference. First operand has 95 places, 91 transitions, 202 flow. Second operand 3 states and 248 transitions. [2025-02-08 05:36:53,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 101 transitions, 284 flow [2025-02-08 05:36:53,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 101 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:36:53,349 INFO L231 Difference]: Finished difference. Result has 97 places, 94 transitions, 236 flow [2025-02-08 05:36:53,349 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=97, PETRI_TRANSITIONS=94} [2025-02-08 05:36:53,350 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 3 predicate places. [2025-02-08 05:36:53,350 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 94 transitions, 236 flow [2025-02-08 05:36:53,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 05:36:53,351 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:36:53,351 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:36:53,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:36:53,351 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 05:36:53,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:36:53,353 INFO L85 PathProgramCache]: Analyzing trace with hash -595508295, now seen corresponding path program 1 times [2025-02-08 05:36:53,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:36:53,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781030726] [2025-02-08 05:36:53,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:36:53,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:36:53,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 05:36:53,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 05:36:53,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:36:53,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:36:53,438 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 05:36:53,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:36:53,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781030726] [2025-02-08 05:36:53,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781030726] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:36:53,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:36:53,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:36:53,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669320207] [2025-02-08 05:36:53,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:36:53,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:36:53,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:36:53,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:36:53,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:36:53,463 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 94 [2025-02-08 05:36:53,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 94 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 05:36:53,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:36:53,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 94 [2025-02-08 05:36:53,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:36:53,561 INFO L124 PetriNetUnfolderBase]: 88/457 cut-off events. [2025-02-08 05:36:53,562 INFO L125 PetriNetUnfolderBase]: For 154/157 co-relation queries the response was YES. [2025-02-08 05:36:53,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 457 events. 88/457 cut-off events. For 154/157 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2522 event pairs, 57 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 777. Up to 180 conditions per place. [2025-02-08 05:36:53,567 INFO L140 encePairwiseOnDemand]: 89/94 looper letters, 23 selfloop transitions, 5 changer transitions 4/101 dead transitions. [2025-02-08 05:36:53,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 101 transitions, 316 flow [2025-02-08 05:36:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:36:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:36:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 241 transitions. [2025-02-08 05:36:53,571 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8546099290780141 [2025-02-08 05:36:53,571 INFO L175 Difference]: Start difference. First operand has 97 places, 94 transitions, 236 flow. Second operand 3 states and 241 transitions. [2025-02-08 05:36:53,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 101 transitions, 316 flow [2025-02-08 05:36:53,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 101 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:36:53,576 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 254 flow [2025-02-08 05:36:53,577 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=99, PETRI_TRANSITIONS=95} [2025-02-08 05:36:53,577 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 5 predicate places. [2025-02-08 05:36:53,578 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 254 flow [2025-02-08 05:36:53,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 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 05:36:53,578 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:36:53,578 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:36:53,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:36:53,579 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-08 05:36:53,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:36:53,579 INFO L85 PathProgramCache]: Analyzing trace with hash 184552079, now seen corresponding path program 1 times [2025-02-08 05:36:53,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:36:53,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937839443] [2025-02-08 05:36:53,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:36:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:36:53,597 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 05:36:53,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 05:36:53,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:36:53,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:36:53,885 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 05:36:53,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:36:53,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937839443] [2025-02-08 05:36:53,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937839443] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:36:53,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:36:53,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:36:53,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916636527] [2025-02-08 05:36:53,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:36:53,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 05:36:53,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:36:53,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 05:36:53,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:36:53,933 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 94 [2025-02-08 05:36:53,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 254 flow. Second operand has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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 05:36:53,935 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:36:53,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 94 [2025-02-08 05:36:53,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:36:53,993 INFO L124 PetriNetUnfolderBase]: 2/136 cut-off events. [2025-02-08 05:36:53,993 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-02-08 05:36:53,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 136 events. 2/136 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 213 event pairs, 0 based on Foata normal form. 8/140 useless extension candidates. Maximal degree in co-relation 150. Up to 16 conditions per place. [2025-02-08 05:36:53,994 INFO L140 encePairwiseOnDemand]: 88/94 looper letters, 0 selfloop transitions, 0 changer transitions 87/87 dead transitions. [2025-02-08 05:36:53,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 87 transitions, 234 flow [2025-02-08 05:36:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:36:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 05:36:53,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 405 transitions. [2025-02-08 05:36:53,998 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8617021276595744 [2025-02-08 05:36:53,998 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 254 flow. Second operand 5 states and 405 transitions. [2025-02-08 05:36:53,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 87 transitions, 234 flow [2025-02-08 05:36:53,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 87 transitions, 208 flow, removed 6 selfloop flow, removed 6 redundant places. [2025-02-08 05:36:54,000 INFO L231 Difference]: Finished difference. Result has 94 places, 0 transitions, 0 flow [2025-02-08 05:36:54,000 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=94, PETRI_TRANSITIONS=0} [2025-02-08 05:36:54,001 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 0 predicate places. [2025-02-08 05:36:54,001 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 0 transitions, 0 flow [2025-02-08 05:36:54,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 79.4) internal successors, (397), 5 states have internal predecessors, (397), 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 05:36:54,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2025-02-08 05:36:54,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2025-02-08 05:36:54,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-02-08 05:36:54,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2025-02-08 05:36:54,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2025-02-08 05:36:54,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:36:54,004 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-08 05:36:54,007 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:36:54,008 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:36:54,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:36:54 BasicIcfg [2025-02-08 05:36:54,011 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:36:54,011 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:36:54,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:36:54,011 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:36:54,012 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:36:52" (3/4) ... [2025-02-08 05:36:54,013 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:36:54,015 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-02-08 05:36:54,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 05:36:54,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:36:54,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 05:36:54,017 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:36:54,078 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:36:54,078 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:36:54,078 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:36:54,079 INFO L158 Benchmark]: Toolchain (without parser) took 2791.58ms. Allocated memory is still 201.3MB. Free memory was 154.0MB in the beginning and 73.0MB in the end (delta: 81.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-02-08 05:36:54,079 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:36:54,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.48ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 134.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:36:54,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.19ms. Allocated memory is still 201.3MB. Free memory was 134.3MB in the beginning and 132.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:36:54,080 INFO L158 Benchmark]: Boogie Preprocessor took 31.35ms. Allocated memory is still 201.3MB. Free memory was 132.5MB in the beginning and 131.6MB in the end (delta: 863.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:36:54,080 INFO L158 Benchmark]: IcfgBuilder took 442.79ms. Allocated memory is still 201.3MB. Free memory was 131.6MB in the beginning and 115.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:36:54,080 INFO L158 Benchmark]: TraceAbstraction took 1729.86ms. Allocated memory is still 201.3MB. Free memory was 114.6MB in the beginning and 78.9MB in the end (delta: 35.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 05:36:54,083 INFO L158 Benchmark]: Witness Printer took 66.97ms. Allocated memory is still 201.3MB. Free memory was 78.9MB in the beginning and 73.0MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:36:54,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 201.3MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.48ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 134.3MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.19ms. Allocated memory is still 201.3MB. Free memory was 134.3MB in the beginning and 132.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.35ms. Allocated memory is still 201.3MB. Free memory was 132.5MB in the beginning and 131.6MB in the end (delta: 863.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 442.79ms. Allocated memory is still 201.3MB. Free memory was 131.6MB in the beginning and 115.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1729.86ms. Allocated memory is still 201.3MB. Free memory was 114.6MB in the beginning and 78.9MB in the end (delta: 35.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 66.97ms. Allocated memory is still 201.3MB. Free memory was 78.9MB in the beginning and 73.0MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 111 locations, 5 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 23 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred in iteration=3, 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, 0.5s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 290 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:36:54,102 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