./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:28:32,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:28:32,446 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-30 10:28:32,449 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:28:32,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:28:32,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:28:32,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:28:32,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:28:32,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:28:32,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:28:32,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:28:32,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:28:32,468 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:28:32,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:28:32,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:28:32,468 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-30 10:28:32,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-30 10:28:32,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-30 10:28:32,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:28:32,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:28:32,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:28:32,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:28:32,469 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:32,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:32,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:32,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:28:32,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:28:32,470 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:28:32,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:28:32,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-30 10:28:32,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-30 10:28:32,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:28:32,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:28:32,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:28:32,470 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/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 -> 5810db9e04eaaf68f2d5e8f47b6f306a494391110fbd2d6436879e3ba39873f3 [2025-04-30 10:28:32,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:28:32,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:28:32,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:28:32,724 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:28:32,724 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:28:32,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-04-30 10:28:34,056 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fd837ee/abe1b990ae9544519c3795e53fedc644/FLAG6834451f4 [2025-04-30 10:28:34,280 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:28:34,280 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2025-04-30 10:28:34,290 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fd837ee/abe1b990ae9544519c3795e53fedc644/FLAG6834451f4 [2025-04-30 10:28:35,107 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fd837ee/abe1b990ae9544519c3795e53fedc644 [2025-04-30 10:28:35,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:28:35,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:28:35,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:35,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:28:35,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:28:35,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e26a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35, skipping insertion in model container [2025-04-30 10:28:35,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:28:35,376 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:35,387 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:28:35,447 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:35,471 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:28:35,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35 WrapperNode [2025-04-30 10:28:35,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:35,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:35,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:28:35,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:28:35,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,508 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2025-04-30 10:28:35,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:35,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:28:35,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:28:35,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:28:35,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,523 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:28:35,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:28:35,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:28:35,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:28:35,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (1/1) ... [2025-04-30 10:28:35,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:35,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:28:35,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-30 10:28:35,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-30 10:28:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-30 10:28:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:28:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-30 10:28:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-30 10:28:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-30 10:28:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-30 10:28:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:28:35,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:28:35,590 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-30 10:28:35,689 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:28:35,691 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:28:35,847 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-30 10:28:35,847 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:28:35,872 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:28:35,872 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-30 10:28:35,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:35 BoogieIcfgContainer [2025-04-30 10:28:35,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:28:35,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:28:35,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:28:35,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:28:35,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:28:35" (1/3) ... [2025-04-30 10:28:35,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fc12e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:35, skipping insertion in model container [2025-04-30 10:28:35,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:35" (2/3) ... [2025-04-30 10:28:35,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fc12e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:35, skipping insertion in model container [2025-04-30 10:28:35,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:35" (3/3) ... [2025-04-30 10:28:35,881 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2025-04-30 10:28:35,891 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:28:35,894 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_1_neg.i that has 2 procedures, 82 locations, 82 edges, 1 initial locations, 0 loop locations, and 3 error locations. [2025-04-30 10:28:35,895 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-30 10:28:35,951 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-30 10:28:35,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 83 transitions, 173 flow [2025-04-30 10:28:36,013 INFO L116 PetriNetUnfolderBase]: 2/82 cut-off events. [2025-04-30 10:28:36,015 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:28:36,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 82 events. 2/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2025-04-30 10:28:36,020 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 83 transitions, 173 flow [2025-04-30 10:28:36,022 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 77 transitions, 157 flow [2025-04-30 10:28:36,030 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:28:36,038 INFO L340 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;@2e43afbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:28:36,038 INFO L341 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-04-30 10:28:36,049 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-30 10:28:36,049 INFO L116 PetriNetUnfolderBase]: 0/39 cut-off events. [2025-04-30 10:28:36,049 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:28:36,049 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:36,050 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:36,050 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-30 10:28:36,054 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:36,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1124620218, now seen corresponding path program 1 times [2025-04-30 10:28:36,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:36,060 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203202369] [2025-04-30 10:28:36,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:36,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:36,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-30 10:28:36,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-30 10:28:36,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:36,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:36,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:36,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:36,269 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203202369] [2025-04-30 10:28:36,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203202369] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:36,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:36,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:36,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097856044] [2025-04-30 10:28:36,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:36,276 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:36,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:36,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:36,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:36,317 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 83 [2025-04-30 10:28:36,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 77 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2025-04-30 10:28:36,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:36,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 83 [2025-04-30 10:28:36,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:36,449 INFO L116 PetriNetUnfolderBase]: 46/314 cut-off events. [2025-04-30 10:28:36,449 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:28:36,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 314 events. 46/314 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1501 event pairs, 12 based on Foata normal form. 30/312 useless extension candidates. Maximal degree in co-relation 400. Up to 65 conditions per place. [2025-04-30 10:28:36,456 INFO L140 encePairwiseOnDemand]: 76/83 looper letters, 18 selfloop transitions, 4 changer transitions 2/83 dead transitions. [2025-04-30 10:28:36,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 83 transitions, 217 flow [2025-04-30 10:28:36,457 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2025-04-30 10:28:36,469 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8995983935742972 [2025-04-30 10:28:36,471 INFO L175 Difference]: Start difference. First operand has 79 places, 77 transitions, 157 flow. Second operand 3 states and 224 transitions. [2025-04-30 10:28:36,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 83 transitions, 217 flow [2025-04-30 10:28:36,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 83 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-30 10:28:36,480 INFO L231 Difference]: Finished difference. Result has 80 places, 76 transitions, 178 flow [2025-04-30 10:28:36,483 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=80, PETRI_TRANSITIONS=76} [2025-04-30 10:28:36,486 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 1 predicate places. [2025-04-30 10:28:36,486 INFO L485 AbstractCegarLoop]: Abstraction has has 80 places, 76 transitions, 178 flow [2025-04-30 10:28:36,487 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2025-04-30 10:28:36,487 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:36,487 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] [2025-04-30 10:28:36,488 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-30 10:28:36,488 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-30 10:28:36,488 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:36,489 INFO L85 PathProgramCache]: Analyzing trace with hash -453529840, now seen corresponding path program 1 times [2025-04-30 10:28:36,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:36,489 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195338518] [2025-04-30 10:28:36,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:36,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:36,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-04-30 10:28:36,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-04-30 10:28:36,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:36,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:36,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:36,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:36,568 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195338518] [2025-04-30 10:28:36,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195338518] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:36,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:36,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:36,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014788033] [2025-04-30 10:28:36,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:36,569 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:36,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:36,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:36,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:36,588 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 83 [2025-04-30 10:28:36,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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) [2025-04-30 10:28:36,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:36,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 83 [2025-04-30 10:28:36,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:36,655 INFO L116 PetriNetUnfolderBase]: 50/323 cut-off events. [2025-04-30 10:28:36,656 INFO L117 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2025-04-30 10:28:36,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 323 events. 50/323 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1650 event pairs, 31 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 479. Up to 107 conditions per place. [2025-04-30 10:28:36,660 INFO L140 encePairwiseOnDemand]: 78/83 looper letters, 18 selfloop transitions, 5 changer transitions 0/81 dead transitions. [2025-04-30 10:28:36,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 81 transitions, 238 flow [2025-04-30 10:28:36,661 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2025-04-30 10:28:36,662 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8473895582329317 [2025-04-30 10:28:36,662 INFO L175 Difference]: Start difference. First operand has 80 places, 76 transitions, 178 flow. Second operand 3 states and 211 transitions. [2025-04-30 10:28:36,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 81 transitions, 238 flow [2025-04-30 10:28:36,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 81 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:36,665 INFO L231 Difference]: Finished difference. Result has 82 places, 79 transitions, 206 flow [2025-04-30 10:28:36,666 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=82, PETRI_TRANSITIONS=79} [2025-04-30 10:28:36,666 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 3 predicate places. [2025-04-30 10:28:36,666 INFO L485 AbstractCegarLoop]: Abstraction has has 82 places, 79 transitions, 206 flow [2025-04-30 10:28:36,666 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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) [2025-04-30 10:28:36,666 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:36,667 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] [2025-04-30 10:28:36,667 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-30 10:28:36,667 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-30 10:28:36,667 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:36,667 INFO L85 PathProgramCache]: Analyzing trace with hash -811412670, now seen corresponding path program 1 times [2025-04-30 10:28:36,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:36,667 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899398934] [2025-04-30 10:28:36,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:36,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:36,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-04-30 10:28:36,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-04-30 10:28:36,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:36,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:36,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:36,929 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899398934] [2025-04-30 10:28:36,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899398934] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:36,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:36,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-30 10:28:36,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072406645] [2025-04-30 10:28:36,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:36,930 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-30 10:28:36,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:36,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-30 10:28:36,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-30 10:28:37,011 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 83 [2025-04-30 10:28:37,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 79 transitions, 206 flow. Second operand has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 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) [2025-04-30 10:28:37,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:37,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 83 [2025-04-30 10:28:37,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:37,101 INFO L116 PetriNetUnfolderBase]: 5/163 cut-off events. [2025-04-30 10:28:37,102 INFO L117 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-04-30 10:28:37,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 163 events. 5/163 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 385 event pairs, 2 based on Foata normal form. 4/159 useless extension candidates. Maximal degree in co-relation 191. Up to 16 conditions per place. [2025-04-30 10:28:37,103 INFO L140 encePairwiseOnDemand]: 75/83 looper letters, 3 selfloop transitions, 7 changer transitions 9/75 dead transitions. [2025-04-30 10:28:37,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 75 transitions, 206 flow [2025-04-30 10:28:37,104 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-30 10:28:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-30 10:28:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 356 transitions. [2025-04-30 10:28:37,106 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8578313253012049 [2025-04-30 10:28:37,106 INFO L175 Difference]: Start difference. First operand has 82 places, 79 transitions, 206 flow. Second operand 5 states and 356 transitions. [2025-04-30 10:28:37,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 75 transitions, 206 flow [2025-04-30 10:28:37,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 188 flow, removed 3 selfloop flow, removed 4 redundant places. [2025-04-30 10:28:37,111 INFO L231 Difference]: Finished difference. Result has 80 places, 65 transitions, 156 flow [2025-04-30 10:28:37,111 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=156, PETRI_PLACES=80, PETRI_TRANSITIONS=65} [2025-04-30 10:28:37,112 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, 1 predicate places. [2025-04-30 10:28:37,112 INFO L485 AbstractCegarLoop]: Abstraction has has 80 places, 65 transitions, 156 flow [2025-04-30 10:28:37,112 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 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) [2025-04-30 10:28:37,112 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:37,112 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] [2025-04-30 10:28:37,113 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-30 10:28:37,113 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-04-30 10:28:37,113 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:37,113 INFO L85 PathProgramCache]: Analyzing trace with hash 382824684, now seen corresponding path program 1 times [2025-04-30 10:28:37,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:37,114 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297582257] [2025-04-30 10:28:37,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:37,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:37,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-30 10:28:37,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-30 10:28:37,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:37,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:37,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:37,164 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297582257] [2025-04-30 10:28:37,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297582257] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:37,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:37,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:37,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621357086] [2025-04-30 10:28:37,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:37,164 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:37,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:37,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:37,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:37,179 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 83 [2025-04-30 10:28:37,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 65 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2025-04-30 10:28:37,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:37,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 83 [2025-04-30 10:28:37,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:37,201 INFO L116 PetriNetUnfolderBase]: 4/105 cut-off events. [2025-04-30 10:28:37,202 INFO L117 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-04-30 10:28:37,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 105 events. 4/105 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 3 based on Foata normal form. 2/103 useless extension candidates. Maximal degree in co-relation 126. Up to 27 conditions per place. [2025-04-30 10:28:37,203 INFO L140 encePairwiseOnDemand]: 81/83 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions. [2025-04-30 10:28:37,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 64 transitions, 180 flow [2025-04-30 10:28:37,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 201 transitions. [2025-04-30 10:28:37,205 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8072289156626506 [2025-04-30 10:28:37,205 INFO L175 Difference]: Start difference. First operand has 80 places, 65 transitions, 156 flow. Second operand 3 states and 201 transitions. [2025-04-30 10:28:37,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 64 transitions, 180 flow [2025-04-30 10:28:37,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 64 transitions, 172 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-04-30 10:28:37,206 INFO L231 Difference]: Finished difference. Result has 70 places, 0 transitions, 0 flow [2025-04-30 10:28:37,206 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=70, PETRI_TRANSITIONS=0} [2025-04-30 10:28:37,206 INFO L279 CegarLoopForPetriNet]: 79 programPoint places, -9 predicate places. [2025-04-30 10:28:37,206 INFO L485 AbstractCegarLoop]: Abstraction has has 70 places, 0 transitions, 0 flow [2025-04-30 10:28:37,206 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2025-04-30 10:28:37,209 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-04-30 10:28:37,210 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2025-04-30 10:28:37,210 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-04-30 10:28:37,210 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-04-30 10:28:37,210 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-04-30 10:28:37,210 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-04-30 10:28:37,210 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-30 10:28:37,211 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-04-30 10:28:37,215 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-30 10:28:37,215 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:28:37,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:28:37 BasicIcfg [2025-04-30 10:28:37,221 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:28:37,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:28:37,223 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:28:37,223 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:28:37,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:35" (3/4) ... [2025-04-30 10:28:37,224 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-30 10:28:37,226 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-04-30 10:28:37,228 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-04-30 10:28:37,229 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-04-30 10:28:37,229 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-30 10:28:37,229 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-30 10:28:37,282 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-30 10:28:37,282 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-30 10:28:37,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:28:37,283 INFO L158 Benchmark]: Toolchain (without parser) took 2172.58ms. Allocated memory is still 142.6MB. Free memory was 112.5MB in the beginning and 89.7MB in the end (delta: 22.7MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2025-04-30 10:28:37,284 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:37,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.95ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 89.5MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-30 10:28:37,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.82ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 87.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:37,284 INFO L158 Benchmark]: Boogie Preprocessor took 28.86ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 86.7MB in the end (delta: 897.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:37,285 INFO L158 Benchmark]: RCFGBuilder took 334.60ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 71.0MB in the end (delta: 15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:28:37,285 INFO L158 Benchmark]: TraceAbstraction took 1346.98ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 95.1MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:37,285 INFO L158 Benchmark]: Witness Printer took 59.76ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 89.7MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-30 10:28:37,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.95ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 89.5MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.82ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 87.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.86ms. Allocated memory is still 142.6MB. Free memory was 87.6MB in the beginning and 86.7MB in the end (delta: 897.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.60ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 71.0MB in the end (delta: 15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1346.98ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 95.1MB in the end (delta: -24.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.76ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 89.7MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: 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 - PositiveResult [Line: 690]: 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, 112 edges, 6 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: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 4 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=2, 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, 0.4s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 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! [2025-04-30 10:28:37,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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