./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/szymanski-b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/szymanski-b.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85c07d53d6385c45c48e29a19b83e4c86409a0ffe74e084bb9e5c8a5937c23fb --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:09:50,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:09:50,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:09:50,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:09:50,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:09:50,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:09:50,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:09:50,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:09:50,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:09:50,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:09:50,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:09:50,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:09:50,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:09:50,987 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:09:50,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:09:50,990 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:09:50,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:09:50,990 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:09:50,990 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:09:50,991 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:09:50,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:09:50,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:09:50,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:09:50,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:09:50,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:09:50,991 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:09:50,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:09:50,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:09:50,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:09:50,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:09:50,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:09:50,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:09:50,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:09:50,992 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 -> 85c07d53d6385c45c48e29a19b83e4c86409a0ffe74e084bb9e5c8a5937c23fb [2025-02-08 05:09:51,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:09:51,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:09:51,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:09:51,228 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:09:51,232 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:09:51,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/szymanski-b.i [2025-02-08 05:09:52,400 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad0642b5a/d2870f1690a346f2b62e21a73a8b5b7c/FLAGb07b73011 [2025-02-08 05:09:52,731 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:09:52,732 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-atomic/szymanski-b.i [2025-02-08 05:09:52,747 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad0642b5a/d2870f1690a346f2b62e21a73a8b5b7c/FLAGb07b73011 [2025-02-08 05:09:52,985 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad0642b5a/d2870f1690a346f2b62e21a73a8b5b7c [2025-02-08 05:09:52,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:09:52,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:09:52,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:09:52,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:09:52,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:09:52,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:09:52" (1/1) ... [2025-02-08 05:09:52,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2107ef4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:52, skipping insertion in model container [2025-02-08 05:09:53,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:09:52" (1/1) ... [2025-02-08 05:09:53,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:09:53,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:09:53,307 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:09:53,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:09:53,357 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:09:53,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53 WrapperNode [2025-02-08 05:09:53,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:09:53,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:09:53,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:09:53,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:09:53,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,388 INFO L138 Inliner]: procedures = 160, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2025-02-08 05:09:53,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:09:53,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:09:53,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:09:53,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:09:53,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,404 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:09:53,411 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:09:53,411 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:09:53,411 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:09:53,412 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (1/1) ... [2025-02-08 05:09:53,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:09:53,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:09:53,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:09:53,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2025-02-08 05:09:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2025-02-08 05:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 05:09:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 05:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:09:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:09:53,458 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:09:53,536 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:09:53,537 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:09:53,745 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:09:53,745 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:09:53,757 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:09:53,757 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:09:53,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:09:53 BoogieIcfgContainer [2025-02-08 05:09:53,759 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:09:53,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:09:53,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:09:53,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:09:53,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:09:52" (1/3) ... [2025-02-08 05:09:53,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562afff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:09:53, skipping insertion in model container [2025-02-08 05:09:53,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:09:53" (2/3) ... [2025-02-08 05:09:53,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562afff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:09:53, skipping insertion in model container [2025-02-08 05:09:53,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:09:53" (3/3) ... [2025-02-08 05:09:53,766 INFO L128 eAbstractionObserver]: Analyzing ICFG szymanski-b.i [2025-02-08 05:09:53,776 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:09:53,777 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG szymanski-b.i that has 3 procedures, 184 locations, 1 initial locations, 8 loop locations, and 26 error locations. [2025-02-08 05:09:53,777 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:09:53,849 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-08 05:09:53,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 207 transitions, 428 flow [2025-02-08 05:09:53,922 INFO L124 PetriNetUnfolderBase]: 24/205 cut-off events. [2025-02-08 05:09:53,924 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 05:09:53,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 205 events. 24/205 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 506 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 184. Up to 3 conditions per place. [2025-02-08 05:09:53,932 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 207 transitions, 428 flow [2025-02-08 05:09:53,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 183 places, 200 transitions, 409 flow [2025-02-08 05:09:53,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:09:53,950 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;@3b9e5335, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:09:53,953 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-02-08 05:09:53,958 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:09:53,958 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2025-02-08 05:09:53,959 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:09:53,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:53,959 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] [2025-02-08 05:09:53,959 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err10ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-02-08 05:09:53,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:53,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1459125537, now seen corresponding path program 1 times [2025-02-08 05:09:53,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:53,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578157190] [2025-02-08 05:09:53,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:53,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:54,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 05:09:54,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 05:09:54,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:54,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:54,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:54,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578157190] [2025-02-08 05:09:54,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578157190] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:09:54,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:09:54,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:09:54,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774416028] [2025-02-08 05:09:54,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:09:54,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:09:54,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:54,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:09:54,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:09:54,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 207 [2025-02-08 05:09:54,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 200 transitions, 409 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:54,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:54,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 207 [2025-02-08 05:09:54,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:54,310 INFO L124 PetriNetUnfolderBase]: 144/965 cut-off events. [2025-02-08 05:09:54,310 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2025-02-08 05:09:54,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 965 events. 144/965 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5772 event pairs, 43 based on Foata normal form. 64/789 useless extension candidates. Maximal degree in co-relation 1053. Up to 160 conditions per place. [2025-02-08 05:09:54,316 INFO L140 encePairwiseOnDemand]: 185/207 looper letters, 18 selfloop transitions, 9 changer transitions 0/195 dead transitions. [2025-02-08 05:09:54,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 195 transitions, 456 flow [2025-02-08 05:09:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:09:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:09:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2025-02-08 05:09:54,326 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9243156199677939 [2025-02-08 05:09:54,327 INFO L175 Difference]: Start difference. First operand has 183 places, 200 transitions, 409 flow. Second operand 3 states and 574 transitions. [2025-02-08 05:09:54,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 195 transitions, 456 flow [2025-02-08 05:09:54,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 195 transitions, 450 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-02-08 05:09:54,334 INFO L231 Difference]: Finished difference. Result has 182 places, 194 transitions, 446 flow [2025-02-08 05:09:54,336 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=446, PETRI_PLACES=182, PETRI_TRANSITIONS=194} [2025-02-08 05:09:54,338 INFO L279 CegarLoopForPetriNet]: 183 programPoint places, -1 predicate places. [2025-02-08 05:09:54,338 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 194 transitions, 446 flow [2025-02-08 05:09:54,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:54,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:54,339 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] [2025-02-08 05:09:54,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:09:54,339 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err10ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-02-08 05:09:54,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:54,340 INFO L85 PathProgramCache]: Analyzing trace with hash -554660326, now seen corresponding path program 1 times [2025-02-08 05:09:54,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:54,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437573559] [2025-02-08 05:09:54,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:54,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:54,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 05:09:54,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 05:09:54,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:54,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:54,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:54,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437573559] [2025-02-08 05:09:54,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437573559] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:09:54,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:09:54,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:09:54,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705803762] [2025-02-08 05:09:54,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:09:54,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:09:54,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:54,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:09:54,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:09:54,417 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 207 [2025-02-08 05:09:54,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 194 transitions, 446 flow. Second operand has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:54,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:54,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 207 [2025-02-08 05:09:54,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:54,658 INFO L124 PetriNetUnfolderBase]: 361/2397 cut-off events. [2025-02-08 05:09:54,658 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2025-02-08 05:09:54,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3063 conditions, 2397 events. 361/2397 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 19540 event pairs, 8 based on Foata normal form. 0/1832 useless extension candidates. Maximal degree in co-relation 2902. Up to 253 conditions per place. [2025-02-08 05:09:54,670 INFO L140 encePairwiseOnDemand]: 184/207 looper letters, 28 selfloop transitions, 17 changer transitions 0/213 dead transitions. [2025-02-08 05:09:54,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 213 transitions, 577 flow [2025-02-08 05:09:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:09:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:09:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2025-02-08 05:09:54,676 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.893719806763285 [2025-02-08 05:09:54,676 INFO L175 Difference]: Start difference. First operand has 182 places, 194 transitions, 446 flow. Second operand 3 states and 555 transitions. [2025-02-08 05:09:54,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 213 transitions, 577 flow [2025-02-08 05:09:54,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 213 transitions, 559 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:09:54,682 INFO L231 Difference]: Finished difference. Result has 184 places, 211 transitions, 576 flow [2025-02-08 05:09:54,683 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=576, PETRI_PLACES=184, PETRI_TRANSITIONS=211} [2025-02-08 05:09:54,683 INFO L279 CegarLoopForPetriNet]: 183 programPoint places, 1 predicate places. [2025-02-08 05:09:54,683 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 211 transitions, 576 flow [2025-02-08 05:09:54,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:54,684 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:54,684 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] [2025-02-08 05:09:54,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:09:54,684 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err12ASSERT_VIOLATIONDATA_RACE === [thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err10ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-02-08 05:09:54,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:54,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1380751189, now seen corresponding path program 1 times [2025-02-08 05:09:54,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:54,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944719620] [2025-02-08 05:09:54,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:54,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:54,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 05:09:54,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 05:09:54,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:54,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:54,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:54,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944719620] [2025-02-08 05:09:54,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944719620] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:09:54,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:09:54,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:09:54,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628514894] [2025-02-08 05:09:54,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:09:54,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:09:54,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:54,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:09:54,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:09:54,799 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 207 [2025-02-08 05:09:54,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 211 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:54,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:54,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 207 [2025-02-08 05:09:54,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:54,995 INFO L124 PetriNetUnfolderBase]: 438/2632 cut-off events. [2025-02-08 05:09:54,995 INFO L125 PetriNetUnfolderBase]: For 498/559 co-relation queries the response was YES. [2025-02-08 05:09:55,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3902 conditions, 2632 events. 438/2632 cut-off events. For 498/559 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 21855 event pairs, 31 based on Foata normal form. 1/2043 useless extension candidates. Maximal degree in co-relation 2946. Up to 404 conditions per place. [2025-02-08 05:09:55,007 INFO L140 encePairwiseOnDemand]: 197/207 looper letters, 28 selfloop transitions, 16 changer transitions 0/226 dead transitions. [2025-02-08 05:09:55,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 226 transitions, 731 flow [2025-02-08 05:09:55,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:09:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:09:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2025-02-08 05:09:55,009 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.895330112721417 [2025-02-08 05:09:55,009 INFO L175 Difference]: Start difference. First operand has 184 places, 211 transitions, 576 flow. Second operand 3 states and 556 transitions. [2025-02-08 05:09:55,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 226 transitions, 731 flow [2025-02-08 05:09:55,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 226 transitions, 685 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:09:55,018 INFO L231 Difference]: Finished difference. Result has 186 places, 225 transitions, 688 flow [2025-02-08 05:09:55,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=186, PETRI_TRANSITIONS=225} [2025-02-08 05:09:55,019 INFO L279 CegarLoopForPetriNet]: 183 programPoint places, 3 predicate places. [2025-02-08 05:09:55,019 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 225 transitions, 688 flow [2025-02-08 05:09:55,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:55,019 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:55,020 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] [2025-02-08 05:09:55,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:09:55,020 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err10ASSERT_VIOLATIONDATA_RACE === [thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err10ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-02-08 05:09:55,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:55,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1897736374, now seen corresponding path program 1 times [2025-02-08 05:09:55,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:55,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811412347] [2025-02-08 05:09:55,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:55,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:55,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 05:09:55,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 05:09:55,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:55,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:55,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:55,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811412347] [2025-02-08 05:09:55,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811412347] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:09:55,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:09:55,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:09:55,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634534400] [2025-02-08 05:09:55,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:09:55,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:09:55,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:55,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:09:55,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:09:55,106 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 207 [2025-02-08 05:09:55,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 225 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:55,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:55,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 207 [2025-02-08 05:09:55,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:55,346 INFO L124 PetriNetUnfolderBase]: 624/3292 cut-off events. [2025-02-08 05:09:55,346 INFO L125 PetriNetUnfolderBase]: For 561/602 co-relation queries the response was YES. [2025-02-08 05:09:55,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4964 conditions, 3292 events. 624/3292 cut-off events. For 561/602 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 28689 event pairs, 93 based on Foata normal form. 5/2530 useless extension candidates. Maximal degree in co-relation 4797. Up to 439 conditions per place. [2025-02-08 05:09:55,361 INFO L140 encePairwiseOnDemand]: 197/207 looper letters, 24 selfloop transitions, 9 changer transitions 0/234 dead transitions. [2025-02-08 05:09:55,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 234 transitions, 786 flow [2025-02-08 05:09:55,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:09:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:09:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2025-02-08 05:09:55,363 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.895330112721417 [2025-02-08 05:09:55,363 INFO L175 Difference]: Start difference. First operand has 186 places, 225 transitions, 688 flow. Second operand 3 states and 556 transitions. [2025-02-08 05:09:55,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 234 transitions, 786 flow [2025-02-08 05:09:55,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 234 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:09:55,370 INFO L231 Difference]: Finished difference. Result has 188 places, 233 transitions, 738 flow [2025-02-08 05:09:55,372 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=656, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=738, PETRI_PLACES=188, PETRI_TRANSITIONS=233} [2025-02-08 05:09:55,372 INFO L279 CegarLoopForPetriNet]: 183 programPoint places, 5 predicate places. [2025-02-08 05:09:55,372 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 233 transitions, 738 flow [2025-02-08 05:09:55,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:55,373 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:55,373 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] [2025-02-08 05:09:55,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:09:55,373 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err10ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-02-08 05:09:55,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:55,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1056494375, now seen corresponding path program 1 times [2025-02-08 05:09:55,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:55,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272200172] [2025-02-08 05:09:55,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:55,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:55,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 05:09:55,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 05:09:55,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:55,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:55,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:55,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272200172] [2025-02-08 05:09:55,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272200172] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:09:55,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:09:55,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:09:55,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641316923] [2025-02-08 05:09:55,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:09:55,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:09:55,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:55,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:09:55,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:09:55,456 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 207 [2025-02-08 05:09:55,457 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 233 transitions, 738 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:55,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:55,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 207 [2025-02-08 05:09:55,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:55,818 INFO L124 PetriNetUnfolderBase]: 1136/5289 cut-off events. [2025-02-08 05:09:55,818 INFO L125 PetriNetUnfolderBase]: For 1890/1962 co-relation queries the response was YES. [2025-02-08 05:09:55,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8915 conditions, 5289 events. 1136/5289 cut-off events. For 1890/1962 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 50608 event pairs, 42 based on Foata normal form. 14/4187 useless extension candidates. Maximal degree in co-relation 8757. Up to 703 conditions per place. [2025-02-08 05:09:55,852 INFO L140 encePairwiseOnDemand]: 184/207 looper letters, 39 selfloop transitions, 29 changer transitions 0/263 dead transitions. [2025-02-08 05:09:55,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 263 transitions, 1013 flow [2025-02-08 05:09:55,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:09:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:09:55,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2025-02-08 05:09:55,856 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8921095008051529 [2025-02-08 05:09:55,856 INFO L175 Difference]: Start difference. First operand has 188 places, 233 transitions, 738 flow. Second operand 3 states and 554 transitions. [2025-02-08 05:09:55,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 263 transitions, 1013 flow [2025-02-08 05:09:55,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 263 transitions, 957 flow, removed 12 selfloop flow, removed 2 redundant places. [2025-02-08 05:09:55,865 INFO L231 Difference]: Finished difference. Result has 190 places, 262 transitions, 1004 flow [2025-02-08 05:09:55,865 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1004, PETRI_PLACES=190, PETRI_TRANSITIONS=262} [2025-02-08 05:09:55,867 INFO L279 CegarLoopForPetriNet]: 183 programPoint places, 7 predicate places. [2025-02-08 05:09:55,867 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 262 transitions, 1004 flow [2025-02-08 05:09:55,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:55,868 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:55,868 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] [2025-02-08 05:09:55,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:09:55,869 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err10ASSERT_VIOLATIONDATA_RACE, thr2Err9ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-02-08 05:09:55,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:55,869 INFO L85 PathProgramCache]: Analyzing trace with hash -650092777, now seen corresponding path program 1 times [2025-02-08 05:09:55,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:55,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895021166] [2025-02-08 05:09:55,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:55,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:55,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 05:09:55,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 05:09:55,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:55,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 05:09:55,882 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 05:09:55,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 05:09:55,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 05:09:55,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:55,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 05:09:55,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 05:09:55,900 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 05:09:55,900 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2025-02-08 05:09:55,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2025-02-08 05:09:55,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2025-02-08 05:09:55,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2025-02-08 05:09:55,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2025-02-08 05:09:55,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2025-02-08 05:09:55,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2025-02-08 05:09:55,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2025-02-08 05:09:55,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2025-02-08 05:09:55,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2025-02-08 05:09:55,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2025-02-08 05:09:55,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2025-02-08 05:09:55,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2025-02-08 05:09:55,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2025-02-08 05:09:55,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 05:09:55,905 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-08 05:09:55,925 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:09:55,925 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:09:55,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:09:55 BasicIcfg [2025-02-08 05:09:55,928 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:09:55,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:09:55,929 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:09:55,929 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:09:55,929 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:09:53" (3/4) ... [2025-02-08 05:09:55,930 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-08 05:09:55,960 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 2. [2025-02-08 05:09:55,987 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:09:55,988 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:09:55,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:09:55,988 INFO L158 Benchmark]: Toolchain (without parser) took 2997.54ms. Allocated memory was 201.3MB in the beginning and 352.3MB in the end (delta: 151.0MB). Free memory was 158.0MB in the beginning and 300.9MB in the end (delta: -142.9MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2025-02-08 05:09:55,988 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 209.7MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:09:55,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.84ms. Allocated memory is still 201.3MB. Free memory was 158.0MB in the beginning and 138.9MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:09:55,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.01ms. Allocated memory is still 201.3MB. Free memory was 138.9MB in the beginning and 136.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:09:55,989 INFO L158 Benchmark]: Boogie Preprocessor took 19.95ms. Allocated memory is still 201.3MB. Free memory was 136.9MB in the beginning and 135.9MB in the end (delta: 963.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:09:55,989 INFO L158 Benchmark]: IcfgBuilder took 347.65ms. Allocated memory is still 201.3MB. Free memory was 135.9MB in the beginning and 117.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:09:55,989 INFO L158 Benchmark]: TraceAbstraction took 2167.56ms. Allocated memory was 201.3MB in the beginning and 352.3MB in the end (delta: 151.0MB). Free memory was 117.1MB in the beginning and 309.7MB in the end (delta: -192.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:09:55,990 INFO L158 Benchmark]: Witness Printer took 59.05ms. Allocated memory is still 352.3MB. Free memory was 309.7MB in the beginning and 300.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:09:55,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 209.7MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.84ms. Allocated memory is still 201.3MB. Free memory was 158.0MB in the beginning and 138.9MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.01ms. Allocated memory is still 201.3MB. Free memory was 138.9MB in the beginning and 136.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.95ms. Allocated memory is still 201.3MB. Free memory was 136.9MB in the beginning and 135.9MB in the end (delta: 963.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 347.65ms. Allocated memory is still 201.3MB. Free memory was 135.9MB in the beginning and 117.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2167.56ms. Allocated memory was 201.3MB in the beginning and 352.3MB in the end (delta: 151.0MB). Free memory was 117.1MB in the beginning and 309.7MB in the end (delta: -192.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.05ms. Allocated memory is still 352.3MB. Free memory was 309.7MB in the beginning and 300.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 678]: Data race detected Data race detected The following path leads to a data race: [L674] 0 int flag1 = 0, flag2 = 0; VAL [flag1=0, flag2=0] [L675] 0 int x; VAL [flag1=0, flag2=0, x=0] [L709] 0 pthread_t t1, t2; VAL [flag1=0, flag2=0, x=0] [L710] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [flag1=0, flag2=0, t1=-1, x=0] [L711] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [flag1=0, flag2=0, t1=-1, t2=0, x=0] [L677] 1 flag1 = 1 VAL [\old(_)={0:0}, _={0:0}, flag1=1, flag2=0, x=0] [L678] COND TRUE 1 flag2 >= 3 [L678] 1 flag2 >= 3 VAL [\old(_)={0:0}, _={0:0}, flag1=1, flag2=0, x=0] [L693] 2 flag2 = 1 VAL [\old(_)={0:0}, _={0:0}, flag1=1, flag2=1, x=0] [L678] 1 flag2 >= 3 VAL [\old(_)={0:0}, _={0:0}, flag1=1, flag2=1, x=0] Now there is a data race on ~flag2~0 between C: flag2 = 1 [693] and C: flag2 >= 3 [678] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 704]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 677]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 679]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 680]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 685]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 338 locations, 54 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: 2.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 369 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 299 IncrementalHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 88 mSDtfsCounter, 299 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1004occurred in iteration=5, InterpolantAutomatonStates: 15, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be incorrect! [2025-02-08 05:09:56,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)