./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c --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/weaver/parallel-ticket-3.wvr.c -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 11bff6cd42e59c1eface46e47cb7e4e4f51a04703472e58b1bb7c25b58842408 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:30:41,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:30:41,626 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:30:41,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:30:41,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:30:41,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:30:41,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:30:41,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:30:41,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:30:41,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:30:41,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:30:41,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:30:41,647 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:30:41,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:30:41,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:30:41,647 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:30:41,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:30:41,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:30:41,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:30:41,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:30:41,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:30:41,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:30:41,648 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:30:41,648 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:30:41,648 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:30:41,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:30:41,648 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:30:41,648 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:30:41,648 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:30:41,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:30:41,648 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:30:41,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:30:41,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:30:41,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:30:41,649 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:30:41,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:30:41,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:30:41,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:30:41,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:30:41,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:30:41,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:30:41,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:30:41,649 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 -> 11bff6cd42e59c1eface46e47cb7e4e4f51a04703472e58b1bb7c25b58842408 [2025-02-06 09:30:41,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:30:41,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:30:41,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:30:41,872 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:30:41,872 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:30:41,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2025-02-06 09:30:43,078 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/57bf32928/c223dca5a9ec41bdb1768023fd2bfd9b/FLAG93540c831 [2025-02-06 09:30:43,413 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:30:43,414 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-3.wvr.c [2025-02-06 09:30:43,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/57bf32928/c223dca5a9ec41bdb1768023fd2bfd9b/FLAG93540c831 [2025-02-06 09:30:43,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/57bf32928/c223dca5a9ec41bdb1768023fd2bfd9b [2025-02-06 09:30:43,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:30:43,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:30:43,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:30:43,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:30:43,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:30:43,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f302b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43, skipping insertion in model container [2025-02-06 09:30:43,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:30:43,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:30:43,586 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:30:43,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:30:43,622 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:30:43,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43 WrapperNode [2025-02-06 09:30:43,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:30:43,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:30:43,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:30:43,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:30:43,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,651 INFO L138 Inliner]: procedures = 19, calls = 15, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 172 [2025-02-06 09:30:43,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:30:43,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:30:43,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:30:43,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:30:43,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:30:43,679 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:30:43,680 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:30:43,680 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:30:43,680 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (1/1) ... [2025-02-06 09:30:43,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:30:43,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:30:43,724 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 09:30:43,729 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 09:30:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:30:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-06 09:30:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-06 09:30:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-06 09:30:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-06 09:30:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-06 09:30:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-06 09:30:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:30:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:30:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:30:43,743 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 09:30:43,802 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:30:43,803 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:30:43,959 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:30:43,959 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:30:43,981 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:30:43,981 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:30:43,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:30:43 BoogieIcfgContainer [2025-02-06 09:30:43,982 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:30:43,987 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:30:43,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:30:43,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:30:43,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:30:43" (1/3) ... [2025-02-06 09:30:43,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e49317a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:30:43, skipping insertion in model container [2025-02-06 09:30:43,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:30:43" (2/3) ... [2025-02-06 09:30:43,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e49317a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:30:43, skipping insertion in model container [2025-02-06 09:30:43,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:30:43" (3/3) ... [2025-02-06 09:30:43,993 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2025-02-06 09:30:44,002 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:30:44,003 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-3.wvr.c that has 4 procedures, 183 locations, 1 initial locations, 0 loop locations, and 9 error locations. [2025-02-06 09:30:44,004 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:30:44,053 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-06 09:30:44,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 192 places, 189 transitions, 399 flow [2025-02-06 09:30:44,144 INFO L124 PetriNetUnfolderBase]: 7/186 cut-off events. [2025-02-06 09:30:44,145 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 09:30:44,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 186 events. 7/186 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 219 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 141. Up to 2 conditions per place. [2025-02-06 09:30:44,151 INFO L82 GeneralOperation]: Start removeDead. Operand has 192 places, 189 transitions, 399 flow [2025-02-06 09:30:44,154 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 173 places, 169 transitions, 353 flow [2025-02-06 09:30:44,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:30:44,168 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;@7eb9c9c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:30:44,168 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2025-02-06 09:30:44,173 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:30:44,173 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2025-02-06 09:30:44,173 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:30:44,173 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:44,174 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] [2025-02-06 09:30:44,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-06 09:30:44,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:44,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1256329705, now seen corresponding path program 1 times [2025-02-06 09:30:44,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:44,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69527469] [2025-02-06 09:30:44,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:44,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:44,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 09:30:44,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 09:30:44,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:44,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:44,281 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 09:30:44,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:44,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69527469] [2025-02-06 09:30:44,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69527469] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:44,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:44,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:44,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765490015] [2025-02-06 09:30:44,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:44,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:44,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:44,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:44,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:44,328 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 189 [2025-02-06 09:30:44,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 169 transitions, 353 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:30:44,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:44,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 189 [2025-02-06 09:30:44,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:44,552 INFO L124 PetriNetUnfolderBase]: 261/1148 cut-off events. [2025-02-06 09:30:44,552 INFO L125 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES. [2025-02-06 09:30:44,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 1148 events. 261/1148 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7965 event pairs, 188 based on Foata normal form. 59/1035 useless extension candidates. Maximal degree in co-relation 1488. Up to 415 conditions per place. [2025-02-06 09:30:44,560 INFO L140 encePairwiseOnDemand]: 182/189 looper letters, 24 selfloop transitions, 2 changer transitions 1/164 dead transitions. [2025-02-06 09:30:44,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 164 transitions, 395 flow [2025-02-06 09:30:44,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 493 transitions. [2025-02-06 09:30:44,570 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8694885361552028 [2025-02-06 09:30:44,571 INFO L175 Difference]: Start difference. First operand has 173 places, 169 transitions, 353 flow. Second operand 3 states and 493 transitions. [2025-02-06 09:30:44,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 164 transitions, 395 flow [2025-02-06 09:30:44,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 164 transitions, 386 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:30:44,577 INFO L231 Difference]: Finished difference. Result has 169 places, 163 transitions, 336 flow [2025-02-06 09:30:44,579 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=169, PETRI_TRANSITIONS=163} [2025-02-06 09:30:44,581 INFO L279 CegarLoopForPetriNet]: 173 programPoint places, -4 predicate places. [2025-02-06 09:30:44,581 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 163 transitions, 336 flow [2025-02-06 09:30:44,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:30:44,582 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:44,582 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] [2025-02-06 09:30:44,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:30:44,582 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-06 09:30:44,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:44,583 INFO L85 PathProgramCache]: Analyzing trace with hash 933921260, now seen corresponding path program 1 times [2025-02-06 09:30:44,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:44,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583840466] [2025-02-06 09:30:44,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:44,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:44,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 09:30:44,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 09:30:44,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:44,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:44,616 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 09:30:44,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:44,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583840466] [2025-02-06 09:30:44,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583840466] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:44,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:44,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:44,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769803602] [2025-02-06 09:30:44,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:44,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:44,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:44,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:44,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:44,633 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 189 [2025-02-06 09:30:44,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 163 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:30:44,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:44,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 189 [2025-02-06 09:30:44,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:44,768 INFO L124 PetriNetUnfolderBase]: 301/1039 cut-off events. [2025-02-06 09:30:44,768 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2025-02-06 09:30:44,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1588 conditions, 1039 events. 301/1039 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 6562 event pairs, 235 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 1556. Up to 479 conditions per place. [2025-02-06 09:30:44,776 INFO L140 encePairwiseOnDemand]: 186/189 looper letters, 24 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2025-02-06 09:30:44,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 162 transitions, 386 flow [2025-02-06 09:30:44,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2025-02-06 09:30:44,778 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8624338624338624 [2025-02-06 09:30:44,778 INFO L175 Difference]: Start difference. First operand has 169 places, 163 transitions, 336 flow. Second operand 3 states and 489 transitions. [2025-02-06 09:30:44,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 162 transitions, 386 flow [2025-02-06 09:30:44,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 162 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:30:44,781 INFO L231 Difference]: Finished difference. Result has 167 places, 162 transitions, 334 flow [2025-02-06 09:30:44,781 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=167, PETRI_TRANSITIONS=162} [2025-02-06 09:30:44,781 INFO L279 CegarLoopForPetriNet]: 173 programPoint places, -6 predicate places. [2025-02-06 09:30:44,781 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 162 transitions, 334 flow [2025-02-06 09:30:44,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:30:44,782 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:44,782 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] [2025-02-06 09:30:44,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:30:44,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-06 09:30:44,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:44,783 INFO L85 PathProgramCache]: Analyzing trace with hash -960315456, now seen corresponding path program 1 times [2025-02-06 09:30:44,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:44,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902138814] [2025-02-06 09:30:44,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:44,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:44,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 09:30:44,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 09:30:44,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:44,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:44,813 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 09:30:44,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:44,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902138814] [2025-02-06 09:30:44,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902138814] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:44,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:44,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:44,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692434274] [2025-02-06 09:30:44,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:44,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:44,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:44,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:44,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:44,832 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 189 [2025-02-06 09:30:44,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 162 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:30:44,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:44,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 189 [2025-02-06 09:30:44,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:44,985 INFO L124 PetriNetUnfolderBase]: 275/1133 cut-off events. [2025-02-06 09:30:44,985 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2025-02-06 09:30:44,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1623 conditions, 1133 events. 275/1133 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 7407 event pairs, 207 based on Foata normal form. 0/973 useless extension candidates. Maximal degree in co-relation 1583. Up to 440 conditions per place. [2025-02-06 09:30:44,991 INFO L140 encePairwiseOnDemand]: 186/189 looper letters, 24 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2025-02-06 09:30:44,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 161 transitions, 384 flow [2025-02-06 09:30:44,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:44,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2025-02-06 09:30:44,993 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8624338624338624 [2025-02-06 09:30:44,993 INFO L175 Difference]: Start difference. First operand has 167 places, 162 transitions, 334 flow. Second operand 3 states and 489 transitions. [2025-02-06 09:30:44,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 161 transitions, 384 flow [2025-02-06 09:30:44,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 161 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:30:44,995 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 332 flow [2025-02-06 09:30:44,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2025-02-06 09:30:44,996 INFO L279 CegarLoopForPetriNet]: 173 programPoint places, -7 predicate places. [2025-02-06 09:30:44,996 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 332 flow [2025-02-06 09:30:44,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:30:44,997 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:44,997 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:44,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:30:44,997 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-06 09:30:44,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:44,998 INFO L85 PathProgramCache]: Analyzing trace with hash -425494001, now seen corresponding path program 1 times [2025-02-06 09:30:44,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:44,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469707882] [2025-02-06 09:30:44,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:44,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:45,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 09:30:45,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 09:30:45,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:45,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:45,055 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 09:30:45,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:45,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469707882] [2025-02-06 09:30:45,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469707882] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:45,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:45,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:45,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930251101] [2025-02-06 09:30:45,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:45,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:45,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:45,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:45,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:45,069 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 189 [2025-02-06 09:30:45,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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 09:30:45,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:45,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 189 [2025-02-06 09:30:45,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:45,252 INFO L124 PetriNetUnfolderBase]: 370/1482 cut-off events. [2025-02-06 09:30:45,252 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2025-02-06 09:30:45,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2147 conditions, 1482 events. 370/1482 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 10958 event pairs, 235 based on Foata normal form. 0/1262 useless extension candidates. Maximal degree in co-relation 2099. Up to 483 conditions per place. [2025-02-06 09:30:45,263 INFO L140 encePairwiseOnDemand]: 186/189 looper letters, 31 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2025-02-06 09:30:45,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 168 transitions, 415 flow [2025-02-06 09:30:45,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 502 transitions. [2025-02-06 09:30:45,266 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8853615520282186 [2025-02-06 09:30:45,267 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 332 flow. Second operand 3 states and 502 transitions. [2025-02-06 09:30:45,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 168 transitions, 415 flow [2025-02-06 09:30:45,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 168 transitions, 411 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:30:45,271 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 330 flow [2025-02-06 09:30:45,272 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=165, PETRI_TRANSITIONS=160} [2025-02-06 09:30:45,272 INFO L279 CegarLoopForPetriNet]: 173 programPoint places, -8 predicate places. [2025-02-06 09:30:45,272 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 330 flow [2025-02-06 09:30:45,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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 09:30:45,274 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:45,274 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:45,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:30:45,274 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-06 09:30:45,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:45,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1780412399, now seen corresponding path program 1 times [2025-02-06 09:30:45,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:45,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949478639] [2025-02-06 09:30:45,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:45,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:45,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 09:30:45,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 09:30:45,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:45,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:45,376 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 09:30:45,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:45,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949478639] [2025-02-06 09:30:45,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949478639] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:45,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:45,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:45,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435260044] [2025-02-06 09:30:45,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:45,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:45,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:45,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:45,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:45,391 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 189 [2025-02-06 09:30:45,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 160 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 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 09:30:45,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:45,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 189 [2025-02-06 09:30:45,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:45,515 INFO L124 PetriNetUnfolderBase]: 318/1112 cut-off events. [2025-02-06 09:30:45,515 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2025-02-06 09:30:45,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1710 conditions, 1112 events. 318/1112 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7513 event pairs, 73 based on Foata normal form. 0/975 useless extension candidates. Maximal degree in co-relation 1239. Up to 362 conditions per place. [2025-02-06 09:30:45,521 INFO L140 encePairwiseOnDemand]: 187/189 looper letters, 30 selfloop transitions, 1 changer transitions 0/167 dead transitions. [2025-02-06 09:30:45,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 167 transitions, 409 flow [2025-02-06 09:30:45,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2025-02-06 09:30:45,522 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.892416225749559 [2025-02-06 09:30:45,523 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 330 flow. Second operand 3 states and 506 transitions. [2025-02-06 09:30:45,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 167 transitions, 409 flow [2025-02-06 09:30:45,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 167 transitions, 405 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:30:45,525 INFO L231 Difference]: Finished difference. Result has 164 places, 159 transitions, 326 flow [2025-02-06 09:30:45,525 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=164, PETRI_TRANSITIONS=159} [2025-02-06 09:30:45,526 INFO L279 CegarLoopForPetriNet]: 173 programPoint places, -9 predicate places. [2025-02-06 09:30:45,526 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 159 transitions, 326 flow [2025-02-06 09:30:45,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 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 09:30:45,526 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:45,526 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:45,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:30:45,527 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-06 09:30:45,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:45,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1394682409, now seen corresponding path program 1 times [2025-02-06 09:30:45,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:45,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361572107] [2025-02-06 09:30:45,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:45,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:45,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 09:30:45,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 09:30:45,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:45,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:45,572 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 09:30:45,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:45,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361572107] [2025-02-06 09:30:45,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361572107] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:45,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:45,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:45,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102007779] [2025-02-06 09:30:45,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:45,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:45,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:45,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:45,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:45,589 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 189 [2025-02-06 09:30:45,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 159 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 09:30:45,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:45,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 189 [2025-02-06 09:30:45,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:45,733 INFO L124 PetriNetUnfolderBase]: 456/1243 cut-off events. [2025-02-06 09:30:45,734 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2025-02-06 09:30:45,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2059 conditions, 1243 events. 456/1243 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 8132 event pairs, 280 based on Foata normal form. 0/1118 useless extension candidates. Maximal degree in co-relation 1494. Up to 553 conditions per place. [2025-02-06 09:30:45,738 INFO L140 encePairwiseOnDemand]: 186/189 looper letters, 32 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2025-02-06 09:30:45,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 167 transitions, 413 flow [2025-02-06 09:30:45,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 503 transitions. [2025-02-06 09:30:45,740 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8871252204585538 [2025-02-06 09:30:45,740 INFO L175 Difference]: Start difference. First operand has 164 places, 159 transitions, 326 flow. Second operand 3 states and 503 transitions. [2025-02-06 09:30:45,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 167 transitions, 413 flow [2025-02-06 09:30:45,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 167 transitions, 412 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:30:45,742 INFO L231 Difference]: Finished difference. Result has 164 places, 158 transitions, 327 flow [2025-02-06 09:30:45,742 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=164, PETRI_TRANSITIONS=158} [2025-02-06 09:30:45,743 INFO L279 CegarLoopForPetriNet]: 173 programPoint places, -9 predicate places. [2025-02-06 09:30:45,743 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 158 transitions, 327 flow [2025-02-06 09:30:45,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 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 09:30:45,744 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:45,744 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:45,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:30:45,744 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-06 09:30:45,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:45,744 INFO L85 PathProgramCache]: Analyzing trace with hash -737837479, now seen corresponding path program 1 times [2025-02-06 09:30:45,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:45,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038079465] [2025-02-06 09:30:45,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:45,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:45,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-06 09:30:45,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-06 09:30:45,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:45,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:45,787 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 09:30:45,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:45,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038079465] [2025-02-06 09:30:45,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038079465] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:45,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:45,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:45,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526818928] [2025-02-06 09:30:45,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:45,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:45,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:45,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:45,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:45,799 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 189 [2025-02-06 09:30:45,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 158 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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 09:30:45,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:45,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 189 [2025-02-06 09:30:45,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:45,910 INFO L124 PetriNetUnfolderBase]: 325/1161 cut-off events. [2025-02-06 09:30:45,910 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-02-06 09:30:45,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1790 conditions, 1161 events. 325/1161 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 7433 event pairs, 115 based on Foata normal form. 0/1050 useless extension candidates. Maximal degree in co-relation 1304. Up to 283 conditions per place. [2025-02-06 09:30:45,915 INFO L140 encePairwiseOnDemand]: 187/189 looper letters, 28 selfloop transitions, 1 changer transitions 6/166 dead transitions. [2025-02-06 09:30:45,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 166 transitions, 410 flow [2025-02-06 09:30:45,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:45,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 507 transitions. [2025-02-06 09:30:45,916 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8941798941798942 [2025-02-06 09:30:45,916 INFO L175 Difference]: Start difference. First operand has 164 places, 158 transitions, 327 flow. Second operand 3 states and 507 transitions. [2025-02-06 09:30:45,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 166 transitions, 410 flow [2025-02-06 09:30:45,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 166 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:30:45,919 INFO L231 Difference]: Finished difference. Result has 163 places, 153 transitions, 315 flow [2025-02-06 09:30:45,919 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=315, PETRI_PLACES=163, PETRI_TRANSITIONS=153} [2025-02-06 09:30:45,919 INFO L279 CegarLoopForPetriNet]: 173 programPoint places, -10 predicate places. [2025-02-06 09:30:45,920 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 153 transitions, 315 flow [2025-02-06 09:30:45,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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 09:30:45,920 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:45,920 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:45,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:30:45,920 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-06 09:30:45,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:45,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1346910198, now seen corresponding path program 1 times [2025-02-06 09:30:45,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:45,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903571195] [2025-02-06 09:30:45,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:45,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 09:30:45,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 09:30:45,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:45,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:45,960 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 09:30:45,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:45,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903571195] [2025-02-06 09:30:45,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903571195] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:45,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:45,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:45,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552850525] [2025-02-06 09:30:45,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:45,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:45,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:45,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:45,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:45,972 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 189 [2025-02-06 09:30:45,973 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 153 transitions, 315 flow. Second operand has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 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 09:30:45,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:45,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 189 [2025-02-06 09:30:45,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:46,087 INFO L124 PetriNetUnfolderBase]: 335/1263 cut-off events. [2025-02-06 09:30:46,087 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2025-02-06 09:30:46,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1858 conditions, 1263 events. 335/1263 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 8074 event pairs, 187 based on Foata normal form. 0/1079 useless extension candidates. Maximal degree in co-relation 1506. Up to 395 conditions per place. [2025-02-06 09:30:46,092 INFO L140 encePairwiseOnDemand]: 186/189 looper letters, 31 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2025-02-06 09:30:46,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 161 transitions, 399 flow [2025-02-06 09:30:46,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:46,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 502 transitions. [2025-02-06 09:30:46,094 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8853615520282186 [2025-02-06 09:30:46,094 INFO L175 Difference]: Start difference. First operand has 163 places, 153 transitions, 315 flow. Second operand 3 states and 502 transitions. [2025-02-06 09:30:46,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 161 transitions, 399 flow [2025-02-06 09:30:46,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 161 transitions, 398 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:30:46,096 INFO L231 Difference]: Finished difference. Result has 159 places, 152 transitions, 316 flow [2025-02-06 09:30:46,101 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=159, PETRI_TRANSITIONS=152} [2025-02-06 09:30:46,102 INFO L279 CegarLoopForPetriNet]: 173 programPoint places, -14 predicate places. [2025-02-06 09:30:46,102 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 152 transitions, 316 flow [2025-02-06 09:30:46,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 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 09:30:46,102 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:30:46,103 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:46,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:30:46,103 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-02-06 09:30:46,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:30:46,103 INFO L85 PathProgramCache]: Analyzing trace with hash -995892, now seen corresponding path program 1 times [2025-02-06 09:30:46,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:30:46,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671702667] [2025-02-06 09:30:46,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:30:46,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:30:46,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 09:30:46,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 09:30:46,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:30:46,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:30:46,141 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 09:30:46,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:30:46,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671702667] [2025-02-06 09:30:46,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671702667] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:30:46,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:30:46,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:30:46,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548517511] [2025-02-06 09:30:46,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:30:46,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:30:46,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:30:46,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:30:46,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:30:46,153 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 189 [2025-02-06 09:30:46,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 152 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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 09:30:46,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:30:46,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 189 [2025-02-06 09:30:46,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:30:46,264 INFO L124 PetriNetUnfolderBase]: 246/1051 cut-off events. [2025-02-06 09:30:46,265 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2025-02-06 09:30:46,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1529 conditions, 1051 events. 246/1051 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 6314 event pairs, 112 based on Foata normal form. 0/922 useless extension candidates. Maximal degree in co-relation 1177. Up to 230 conditions per place. [2025-02-06 09:30:46,268 INFO L140 encePairwiseOnDemand]: 187/189 looper letters, 0 selfloop transitions, 0 changer transitions 160/160 dead transitions. [2025-02-06 09:30:46,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 160 transitions, 396 flow [2025-02-06 09:30:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:30:46,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:30:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 506 transitions. [2025-02-06 09:30:46,269 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.892416225749559 [2025-02-06 09:30:46,269 INFO L175 Difference]: Start difference. First operand has 159 places, 152 transitions, 316 flow. Second operand 3 states and 506 transitions. [2025-02-06 09:30:46,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 160 transitions, 396 flow [2025-02-06 09:30:46,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 160 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:30:46,271 INFO L231 Difference]: Finished difference. Result has 158 places, 0 transitions, 0 flow [2025-02-06 09:30:46,271 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=158, PETRI_TRANSITIONS=0} [2025-02-06 09:30:46,272 INFO L279 CegarLoopForPetriNet]: 173 programPoint places, -15 predicate places. [2025-02-06 09:30:46,272 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 0 transitions, 0 flow [2025-02-06 09:30:46,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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 09:30:46,274 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (17 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 18 remaining) [2025-02-06 09:30:46,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 18 remaining) [2025-02-06 09:30:46,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2025-02-06 09:30:46,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2025-02-06 09:30:46,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2025-02-06 09:30:46,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2025-02-06 09:30:46,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2025-02-06 09:30:46,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2025-02-06 09:30:46,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 09:30:46,276 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:30:46,280 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:30:46,280 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:30:46,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:30:46 BasicIcfg [2025-02-06 09:30:46,283 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:30:46,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:30:46,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:30:46,284 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:30:46,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:30:43" (3/4) ... [2025-02-06 09:30:46,286 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:30:46,289 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-02-06 09:30:46,289 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-02-06 09:30:46,289 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-02-06 09:30:46,291 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-02-06 09:30:46,291 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:30:46,291 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 09:30:46,291 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:30:46,336 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:30:46,336 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:30:46,336 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:30:46,337 INFO L158 Benchmark]: Toolchain (without parser) took 2893.30ms. Allocated memory is still 201.3MB. Free memory was 159.4MB in the beginning and 80.2MB in the end (delta: 79.2MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2025-02-06 09:30:46,337 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 209.7MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:30:46,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.60ms. Allocated memory is still 201.3MB. Free memory was 159.0MB in the beginning and 147.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:30:46,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.06ms. Allocated memory is still 201.3MB. Free memory was 147.5MB in the beginning and 145.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:30:46,338 INFO L158 Benchmark]: Boogie Preprocessor took 22.95ms. Allocated memory is still 201.3MB. Free memory was 145.8MB in the beginning and 145.1MB in the end (delta: 709.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:30:46,338 INFO L158 Benchmark]: IcfgBuilder took 302.18ms. Allocated memory is still 201.3MB. Free memory was 145.1MB in the beginning and 126.7MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:30:46,338 INFO L158 Benchmark]: TraceAbstraction took 2296.85ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 87.0MB in the end (delta: 38.8MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2025-02-06 09:30:46,338 INFO L158 Benchmark]: Witness Printer took 52.30ms. Allocated memory is still 201.3MB. Free memory was 87.0MB in the beginning and 80.2MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:30:46,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 209.7MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.60ms. Allocated memory is still 201.3MB. Free memory was 159.0MB in the beginning and 147.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.06ms. Allocated memory is still 201.3MB. Free memory was 147.5MB in the beginning and 145.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.95ms. Allocated memory is still 201.3MB. Free memory was 145.8MB in the beginning and 145.1MB in the end (delta: 709.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 302.18ms. Allocated memory is still 201.3MB. Free memory was 145.1MB in the beginning and 126.7MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2296.85ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 87.0MB in the end (delta: 38.8MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 52.30ms. Allocated memory is still 201.3MB. Free memory was 87.0MB in the beginning and 80.2MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 264 locations, 18 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: 2.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 525 IncrementalHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 44 mSDtfsCounter, 525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=353occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 579 ConstructedInterpolants, 0 QuantifiedInterpolants, 597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:30:46,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE