./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc 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/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.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 eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:24:32,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:24:32,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:24:32,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:24:32,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:24:32,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:24:32,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:24:32,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:24:32,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:24:32,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:24:32,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:24:32,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:24:32,375 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:24:32,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:24:32,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:24:32,377 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:24:32,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:24:32,377 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:24:32,377 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:24:32,377 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:24:32,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:24:32,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:24:32,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:24:32,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:24:32,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:24:32,378 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:24:32,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:24:32,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:24:32,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:24:32,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:24:32,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:24:32,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:24:32,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:24:32,381 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 -> eab672eda1edfc97284913525627300d4c299ae27e8726a3a4858e3cefa92c8f [2025-02-06 09:24:32,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:24:32,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:24:32,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:24:32,667 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:24:32,667 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:24:32,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2025-02-06 09:24:33,956 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/93a48bf40/6999999169dd41bab33c9bd2622d4097/FLAG38f9f52fa [2025-02-06 09:24:34,295 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:24:34,295 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2025-02-06 09:24:34,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/93a48bf40/6999999169dd41bab33c9bd2622d4097/FLAG38f9f52fa [2025-02-06 09:24:34,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/93a48bf40/6999999169dd41bab33c9bd2622d4097 [2025-02-06 09:24:34,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:24:34,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:24:34,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:24:34,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:24:34,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:24:34,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113a4dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34, skipping insertion in model container [2025-02-06 09:24:34,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:24:34,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:24:34,712 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:24:34,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:24:34,805 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:24:34,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34 WrapperNode [2025-02-06 09:24:34,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:24:34,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:24:34,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:24:34,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:24:34,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,846 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2025-02-06 09:24:34,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:24:34,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:24:34,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:24:34,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:24:34,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,862 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:24:34,868 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:24:34,868 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:24:34,868 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:24:34,869 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (1/1) ... [2025-02-06 09:24:34,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:24:34,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:24:34,908 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) [2025-02-06 09:24:34,912 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 [2025-02-06 09:24:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 09:24:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:24:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-06 09:24:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-06 09:24:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:24:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 09:24:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:24:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:24:34,934 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:24:35,055 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:24:35,057 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:24:35,246 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:24:35,246 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:24:35,294 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:24:35,294 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:24:35,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:24:35 BoogieIcfgContainer [2025-02-06 09:24:35,295 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:24:35,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:24:35,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:24:35,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:24:35,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:24:34" (1/3) ... [2025-02-06 09:24:35,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc640a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:24:35, skipping insertion in model container [2025-02-06 09:24:35,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:34" (2/3) ... [2025-02-06 09:24:35,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc640a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:24:35, skipping insertion in model container [2025-02-06 09:24:35,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:24:35" (3/3) ... [2025-02-06 09:24:35,306 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i [2025-02-06 09:24:35,321 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:24:35,324 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_45-traces-per-global-and-current-lock-mine-incomparable_true.i that has 2 procedures, 85 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-02-06 09:24:35,325 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:24:35,373 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:24:35,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 86 transitions, 176 flow [2025-02-06 09:24:35,464 INFO L124 PetriNetUnfolderBase]: 2/85 cut-off events. [2025-02-06 09:24:35,468 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:24:35,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 85 events. 2/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2025-02-06 09:24:35,474 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 86 transitions, 176 flow [2025-02-06 09:24:35,477 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 85 transitions, 173 flow [2025-02-06 09:24:35,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:24:35,502 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;@4c5cf194, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:24:35,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-06 09:24:35,517 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:24:35,517 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2025-02-06 09:24:35,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:24:35,517 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:24:35,518 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] [2025-02-06 09:24:35,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-06 09:24:35,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:24:35,524 INFO L85 PathProgramCache]: Analyzing trace with hash 2066925949, now seen corresponding path program 1 times [2025-02-06 09:24:35,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:24:35,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704292320] [2025-02-06 09:24:35,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:24:35,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:24:35,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 09:24:35,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 09:24:35,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:24:35,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:24:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:24:35,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:24:35,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704292320] [2025-02-06 09:24:35,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704292320] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:24:35,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:24:35,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:24:35,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361257348] [2025-02-06 09:24:35,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:24:35,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:24:35,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:24:35,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:24:35,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:24:35,857 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 86 [2025-02-06 09:24:35,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2025-02-06 09:24:35,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:24:35,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 86 [2025-02-06 09:24:35,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:24:36,017 INFO L124 PetriNetUnfolderBase]: 79/341 cut-off events. [2025-02-06 09:24:36,017 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:24:36,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 341 events. 79/341 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1574 event pairs, 52 based on Foata normal form. 17/334 useless extension candidates. Maximal degree in co-relation 490. Up to 143 conditions per place. [2025-02-06 09:24:36,021 INFO L140 encePairwiseOnDemand]: 78/86 looper letters, 21 selfloop transitions, 5 changer transitions 2/91 dead transitions. [2025-02-06 09:24:36,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 91 transitions, 241 flow [2025-02-06 09:24:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:24:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:24:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 228 transitions. [2025-02-06 09:24:36,037 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8837209302325582 [2025-02-06 09:24:36,039 INFO L175 Difference]: Start difference. First operand has 87 places, 85 transitions, 173 flow. Second operand 3 states and 228 transitions. [2025-02-06 09:24:36,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 91 transitions, 241 flow [2025-02-06 09:24:36,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 91 transitions, 240 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:24:36,048 INFO L231 Difference]: Finished difference. Result has 88 places, 85 transitions, 202 flow [2025-02-06 09:24:36,050 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=88, PETRI_TRANSITIONS=85} [2025-02-06 09:24:36,054 INFO L279 CegarLoopForPetriNet]: 87 programPoint places, 1 predicate places. [2025-02-06 09:24:36,056 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 85 transitions, 202 flow [2025-02-06 09:24:36,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2025-02-06 09:24:36,056 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:24:36,057 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] [2025-02-06 09:24:36,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:24:36,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-06 09:24:36,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:24:36,059 INFO L85 PathProgramCache]: Analyzing trace with hash -652360068, now seen corresponding path program 1 times [2025-02-06 09:24:36,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:24:36,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335239539] [2025-02-06 09:24:36,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:24:36,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:24:36,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 09:24:36,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 09:24:36,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:24:36,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:24:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:24:36,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:24:36,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335239539] [2025-02-06 09:24:36,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335239539] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:24:36,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:24:36,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:24:36,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090869414] [2025-02-06 09:24:36,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:24:36,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:24:36,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:24:36,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:24:36,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:24:36,169 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 86 [2025-02-06 09:24:36,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 85 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2025-02-06 09:24:36,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:24:36,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 86 [2025-02-06 09:24:36,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:24:36,335 INFO L124 PetriNetUnfolderBase]: 78/434 cut-off events. [2025-02-06 09:24:36,336 INFO L125 PetriNetUnfolderBase]: For 63/66 co-relation queries the response was YES. [2025-02-06 09:24:36,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 434 events. 78/434 cut-off events. For 63/66 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2147 event pairs, 55 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 681. Up to 156 conditions per place. [2025-02-06 09:24:36,341 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 24 selfloop transitions, 5 changer transitions 0/92 dead transitions. [2025-02-06 09:24:36,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 92 transitions, 278 flow [2025-02-06 09:24:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:24:36,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:24:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2025-02-06 09:24:36,345 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8410852713178295 [2025-02-06 09:24:36,345 INFO L175 Difference]: Start difference. First operand has 88 places, 85 transitions, 202 flow. Second operand 3 states and 217 transitions. [2025-02-06 09:24:36,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 92 transitions, 278 flow [2025-02-06 09:24:36,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 92 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:24:36,352 INFO L231 Difference]: Finished difference. Result has 90 places, 88 transitions, 228 flow [2025-02-06 09:24:36,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=90, PETRI_TRANSITIONS=88} [2025-02-06 09:24:36,354 INFO L279 CegarLoopForPetriNet]: 87 programPoint places, 3 predicate places. [2025-02-06 09:24:36,354 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 88 transitions, 228 flow [2025-02-06 09:24:36,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2025-02-06 09:24:36,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:24:36,354 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] [2025-02-06 09:24:36,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:24:36,354 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-06 09:24:36,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:24:36,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1722968594, now seen corresponding path program 1 times [2025-02-06 09:24:36,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:24:36,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568976241] [2025-02-06 09:24:36,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:24:36,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:24:36,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 09:24:36,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 09:24:36,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:24:36,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:24:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:24:36,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:24:36,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568976241] [2025-02-06 09:24:36,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568976241] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:24:36,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:24:36,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:24:36,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580470867] [2025-02-06 09:24:36,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:24:36,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:24:36,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:24:36,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:24:36,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:24:36,493 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 86 [2025-02-06 09:24:36,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 88 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2025-02-06 09:24:36,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:24:36,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 86 [2025-02-06 09:24:36,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:24:36,593 INFO L124 PetriNetUnfolderBase]: 64/453 cut-off events. [2025-02-06 09:24:36,594 INFO L125 PetriNetUnfolderBase]: For 93/95 co-relation queries the response was YES. [2025-02-06 09:24:36,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 453 events. 64/453 cut-off events. For 93/95 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2421 event pairs, 27 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 694. Up to 99 conditions per place. [2025-02-06 09:24:36,598 INFO L140 encePairwiseOnDemand]: 82/86 looper letters, 19 selfloop transitions, 3 changer transitions 5/96 dead transitions. [2025-02-06 09:24:36,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 96 transitions, 302 flow [2025-02-06 09:24:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:24:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:24:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2025-02-06 09:24:36,601 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.875968992248062 [2025-02-06 09:24:36,601 INFO L175 Difference]: Start difference. First operand has 90 places, 88 transitions, 228 flow. Second operand 3 states and 226 transitions. [2025-02-06 09:24:36,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 96 transitions, 302 flow [2025-02-06 09:24:36,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 96 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:24:36,604 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 242 flow [2025-02-06 09:24:36,604 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2025-02-06 09:24:36,605 INFO L279 CegarLoopForPetriNet]: 87 programPoint places, 5 predicate places. [2025-02-06 09:24:36,605 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 242 flow [2025-02-06 09:24:36,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2025-02-06 09:24:36,605 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:24:36,606 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] [2025-02-06 09:24:36,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:24:36,606 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-06 09:24:36,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:24:36,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1604852558, now seen corresponding path program 1 times [2025-02-06 09:24:36,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:24:36,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004666298] [2025-02-06 09:24:36,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:24:36,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:24:36,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 09:24:36,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 09:24:36,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:24:36,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:24:36,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:24:36,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:24:36,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004666298] [2025-02-06 09:24:36,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004666298] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:24:36,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:24:36,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:24:36,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350636834] [2025-02-06 09:24:36,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:24:36,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:24:36,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:24:36,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:24:36,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:24:36,837 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 86 [2025-02-06 09:24:36,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2025-02-06 09:24:36,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:24:36,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 86 [2025-02-06 09:24:36,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:24:36,898 INFO L124 PetriNetUnfolderBase]: 14/228 cut-off events. [2025-02-06 09:24:36,898 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2025-02-06 09:24:36,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 228 events. 14/228 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 738 event pairs, 8 based on Foata normal form. 6/231 useless extension candidates. Maximal degree in co-relation 303. Up to 37 conditions per place. [2025-02-06 09:24:36,901 INFO L140 encePairwiseOnDemand]: 78/86 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2025-02-06 09:24:36,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 86 transitions, 246 flow [2025-02-06 09:24:36,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:24:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:24:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2025-02-06 09:24:36,903 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9108527131782945 [2025-02-06 09:24:36,903 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 242 flow. Second operand 3 states and 235 transitions. [2025-02-06 09:24:36,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 86 transitions, 246 flow [2025-02-06 09:24:36,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 86 transitions, 218 flow, removed 7 selfloop flow, removed 6 redundant places. [2025-02-06 09:24:36,907 INFO L231 Difference]: Finished difference. Result has 85 places, 0 transitions, 0 flow [2025-02-06 09:24:36,907 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=85, PETRI_TRANSITIONS=0} [2025-02-06 09:24:36,908 INFO L279 CegarLoopForPetriNet]: 87 programPoint places, -2 predicate places. [2025-02-06 09:24:36,909 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 0 transitions, 0 flow [2025-02-06 09:24:36,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2025-02-06 09:24:36,911 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2025-02-06 09:24:36,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2025-02-06 09:24:36,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-02-06 09:24:36,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2025-02-06 09:24:36,913 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2025-02-06 09:24:36,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:24:36,914 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-06 09:24:36,920 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:24:36,921 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:24:36,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:24:36 BasicIcfg [2025-02-06 09:24:36,927 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:24:36,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:24:36,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:24:36,929 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:24:36,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:24:35" (3/4) ... [2025-02-06 09:24:36,932 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:24:36,934 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-02-06 09:24:36,937 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-06 09:24:36,939 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:24:36,939 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 09:24:36,939 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:24:37,020 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:24:37,021 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:24:37,021 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:24:37,022 INFO L158 Benchmark]: Toolchain (without parser) took 2681.78ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 132.8MB in the end (delta: -9.4MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2025-02-06 09:24:37,023 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:24:37,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.45ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 104.1MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:24:37,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.90ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:24:37,024 INFO L158 Benchmark]: Boogie Preprocessor took 20.73ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:24:37,024 INFO L158 Benchmark]: IcfgBuilder took 427.26ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 85.9MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:24:37,025 INFO L158 Benchmark]: TraceAbstraction took 1629.41ms. Allocated memory is still 167.8MB. Free memory was 85.0MB in the beginning and 50.5MB in the end (delta: 34.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2025-02-06 09:24:37,026 INFO L158 Benchmark]: Witness Printer took 91.80ms. Allocated memory is still 167.8MB. Free memory was 50.5MB in the beginning and 132.8MB in the end (delta: -82.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2025-02-06 09:24:37,027 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.45ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 104.1MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.90ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 102.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.73ms. Allocated memory is still 167.8MB. Free memory was 102.5MB in the beginning and 101.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 427.26ms. Allocated memory is still 167.8MB. Free memory was 101.1MB in the beginning and 85.9MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1629.41ms. Allocated memory is still 167.8MB. Free memory was 85.0MB in the beginning and 50.5MB in the end (delta: 34.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 91.80ms. Allocated memory is still 167.8MB. Free memory was 50.5MB in the beginning and 132.8MB in the end (delta: -82.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: 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, 104 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: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 17 mSDtfsCounter, 170 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=242occurred 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, 0.4s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 174 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! [2025-02-06 09:24:37,048 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