./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.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 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:00:36,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:00:36,539 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:00:36,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:00:36,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:00:36,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:00:36,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:00:36,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:00:36,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:00:36,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:00:36,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:00:36,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:00:36,575 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:00:36,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:00:36,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:00:36,576 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:00:36,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:00:36,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:00:36,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:00:36,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:00:36,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:00:36,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:00:36,576 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:00:36,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:00:36,577 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:00:36,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:00:36,577 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:00:36,577 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:00:36,577 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:00:36,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:00:36,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:00:36,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:00:36,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:00:36,578 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 -> 92ecee121b9ddff062603596761b7b6e384463e9908bd9593577f02dd4911207 [2025-02-06 09:00:36,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:00:36,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:00:36,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:00:36,874 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:00:36,874 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:00:36,877 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2025-02-06 09:00:38,098 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a0042e469/4d9e012a533345a58b5ac9416a2bd7e4/FLAGdba20e681 [2025-02-06 09:00:38,396 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:00:38,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/34_double_lock_p2_vs.i [2025-02-06 09:00:38,407 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a0042e469/4d9e012a533345a58b5ac9416a2bd7e4/FLAGdba20e681 [2025-02-06 09:00:38,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a0042e469/4d9e012a533345a58b5ac9416a2bd7e4 [2025-02-06 09:00:38,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:00:38,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:00:38,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:00:38,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:00:38,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:00:38,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:38,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d598f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38, skipping insertion in model container [2025-02-06 09:00:38,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:38,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:00:38,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:00:38,875 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:00:38,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:00:38,932 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:00:38,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38 WrapperNode [2025-02-06 09:00:38,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:00:38,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:00:38,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:00:38,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:00:38,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:38,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:38,983 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 275 [2025-02-06 09:00:38,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:00:38,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:00:38,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:00:38,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:00:38,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:38,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:38,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:38,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:39,012 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:39,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:39,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:39,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:39,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:00:39,019 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:00:39,019 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:00:39,019 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:00:39,020 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (1/1) ... [2025-02-06 09:00:39,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:00:39,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:00:39,055 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 09:00:39,057 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 09:00:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:00:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2025-02-06 09:00:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2025-02-06 09:00:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-06 09:00:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-06 09:00:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:00:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:00:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:00:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:00:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:00:39,076 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 09:00:39,176 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:00:39,178 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:00:39,599 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:00:39,599 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:00:39,851 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:00:39,851 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:00:39,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:00:39 BoogieIcfgContainer [2025-02-06 09:00:39,851 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:00:39,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:00:39,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:00:39,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:00:39,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:00:38" (1/3) ... [2025-02-06 09:00:39,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695c522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:00:39, skipping insertion in model container [2025-02-06 09:00:39,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:00:38" (2/3) ... [2025-02-06 09:00:39,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695c522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:00:39, skipping insertion in model container [2025-02-06 09:00:39,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:00:39" (3/3) ... [2025-02-06 09:00:39,858 INFO L128 eAbstractionObserver]: Analyzing ICFG 34_double_lock_p2_vs.i [2025-02-06 09:00:39,867 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:00:39,868 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 34_double_lock_p2_vs.i that has 3 procedures, 97 locations, 1 initial locations, 2 loop locations, and 26 error locations. [2025-02-06 09:00:39,868 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:00:39,913 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:00:39,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 102 transitions, 212 flow [2025-02-06 09:00:39,963 INFO L124 PetriNetUnfolderBase]: 5/108 cut-off events. [2025-02-06 09:00:39,965 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:00:39,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 108 events. 5/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 305 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2025-02-06 09:00:39,969 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 102 transitions, 212 flow [2025-02-06 09:00:39,971 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 101 transitions, 209 flow [2025-02-06 09:00:39,975 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:00:39,982 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;@5c686400, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:00:39,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-02-06 09:00:40,011 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:00:40,011 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2025-02-06 09:00:40,011 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:00:40,011 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:00:40,012 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] [2025-02-06 09:00:40,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-02-06 09:00:40,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:00:40,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1126560140, now seen corresponding path program 1 times [2025-02-06 09:00:40,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:00:40,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851486637] [2025-02-06 09:00:40,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:00:40,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:00:40,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 09:00:40,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 09:00:40,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:00:40,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:00:40,311 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 09:00:40,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:00:40,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851486637] [2025-02-06 09:00:40,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851486637] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:00:40,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:00:40,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 09:00:40,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149029656] [2025-02-06 09:00:40,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:00:40,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:00:40,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:00:40,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:00:40,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:00:40,337 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 102 [2025-02-06 09:00:40,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 101 transitions, 209 flow. Second operand has 2 states, 2 states have (on average 60.0) internal successors, (120), 2 states have internal predecessors, (120), 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 09:00:40,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:00:40,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 102 [2025-02-06 09:00:40,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:00:40,458 INFO L124 PetriNetUnfolderBase]: 54/204 cut-off events. [2025-02-06 09:00:40,459 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-06 09:00:40,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 204 events. 54/204 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 798 event pairs, 35 based on Foata normal form. 76/252 useless extension candidates. Maximal degree in co-relation 285. Up to 95 conditions per place. [2025-02-06 09:00:40,463 INFO L140 encePairwiseOnDemand]: 74/102 looper letters, 14 selfloop transitions, 0 changer transitions 0/66 dead transitions. [2025-02-06 09:00:40,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 66 transitions, 167 flow [2025-02-06 09:00:40,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:00:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:00:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 160 transitions. [2025-02-06 09:00:40,478 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7843137254901961 [2025-02-06 09:00:40,480 INFO L175 Difference]: Start difference. First operand has 102 places, 101 transitions, 209 flow. Second operand 2 states and 160 transitions. [2025-02-06 09:00:40,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 66 transitions, 167 flow [2025-02-06 09:00:40,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 66 transitions, 166 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:00:40,488 INFO L231 Difference]: Finished difference. Result has 69 places, 66 transitions, 138 flow [2025-02-06 09:00:40,490 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=138, PETRI_PLACES=69, PETRI_TRANSITIONS=66} [2025-02-06 09:00:40,494 INFO L279 CegarLoopForPetriNet]: 102 programPoint places, -33 predicate places. [2025-02-06 09:00:40,495 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 66 transitions, 138 flow [2025-02-06 09:00:40,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 60.0) internal successors, (120), 2 states have internal predecessors, (120), 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 09:00:40,495 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:00:40,495 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] [2025-02-06 09:00:40,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:00:40,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-02-06 09:00:40,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:00:40,499 INFO L85 PathProgramCache]: Analyzing trace with hash -292508071, now seen corresponding path program 1 times [2025-02-06 09:00:40,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:00:40,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216763787] [2025-02-06 09:00:40,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:00:40,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:00:40,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 09:00:40,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 09:00:40,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:00:40,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:00:40,557 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 09:00:40,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:00:40,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216763787] [2025-02-06 09:00:40,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216763787] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:00:40,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:00:40,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:00:40,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407246022] [2025-02-06 09:00:40,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:00:40,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:00:40,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:00:40,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:00:40,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:00:40,567 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 102 [2025-02-06 09:00:40,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 66 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 09:00:40,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:00:40,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 102 [2025-02-06 09:00:40,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:00:40,718 INFO L124 PetriNetUnfolderBase]: 146/439 cut-off events. [2025-02-06 09:00:40,718 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-06 09:00:40,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 439 events. 146/439 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2310 event pairs, 38 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 742. Up to 148 conditions per place. [2025-02-06 09:00:40,721 INFO L140 encePairwiseOnDemand]: 92/102 looper letters, 29 selfloop transitions, 8 changer transitions 0/83 dead transitions. [2025-02-06 09:00:40,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 83 transitions, 249 flow [2025-02-06 09:00:40,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:00:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:00:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2025-02-06 09:00:40,723 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6470588235294118 [2025-02-06 09:00:40,723 INFO L175 Difference]: Start difference. First operand has 69 places, 66 transitions, 138 flow. Second operand 3 states and 198 transitions. [2025-02-06 09:00:40,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 83 transitions, 249 flow [2025-02-06 09:00:40,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 83 transitions, 249 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:00:40,725 INFO L231 Difference]: Finished difference. Result has 73 places, 74 transitions, 206 flow [2025-02-06 09:00:40,725 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=73, PETRI_TRANSITIONS=74} [2025-02-06 09:00:40,726 INFO L279 CegarLoopForPetriNet]: 102 programPoint places, -29 predicate places. [2025-02-06 09:00:40,726 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 74 transitions, 206 flow [2025-02-06 09:00:40,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 09:00:40,726 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:00:40,726 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 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 09:00:40,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:00:40,726 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-02-06 09:00:40,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:00:40,727 INFO L85 PathProgramCache]: Analyzing trace with hash -912014740, now seen corresponding path program 1 times [2025-02-06 09:00:40,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:00:40,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701499237] [2025-02-06 09:00:40,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:00:40,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:00:40,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 09:00:40,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 09:00:40,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:00:40,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:00:40,737 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:00:40,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 09:00:40,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 09:00:40,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:00:40,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:00:40,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:00:40,755 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:00:40,756 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2025-02-06 09:00:40,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2025-02-06 09:00:40,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2025-02-06 09:00:40,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2025-02-06 09:00:40,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2025-02-06 09:00:40,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2025-02-06 09:00:40,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2025-02-06 09:00:40,757 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2025-02-06 09:00:40,758 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2025-02-06 09:00:40,759 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2025-02-06 09:00:40,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2025-02-06 09:00:40,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2025-02-06 09:00:40,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2025-02-06 09:00:40,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2025-02-06 09:00:40,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2025-02-06 09:00:40,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2025-02-06 09:00:40,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2025-02-06 09:00:40,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2025-02-06 09:00:40,761 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2025-02-06 09:00:40,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:00:40,761 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-06 09:00:40,763 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-06 09:00:40,763 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-06 09:00:40,860 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:00:40,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 172 places, 172 transitions, 364 flow [2025-02-06 09:00:40,880 INFO L124 PetriNetUnfolderBase]: 6/153 cut-off events. [2025-02-06 09:00:40,880 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-06 09:00:40,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 153 events. 6/153 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 515 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 160. Up to 3 conditions per place. [2025-02-06 09:00:40,881 INFO L82 GeneralOperation]: Start removeDead. Operand has 172 places, 172 transitions, 364 flow [2025-02-06 09:00:40,882 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 137 transitions, 287 flow [2025-02-06 09:00:40,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:00:40,884 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;@5c686400, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:00:40,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2025-02-06 09:00:40,887 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:00:40,887 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2025-02-06 09:00:40,887 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:00:40,887 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:00:40,887 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] [2025-02-06 09:00:40,887 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-02-06 09:00:40,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:00:40,888 INFO L85 PathProgramCache]: Analyzing trace with hash -363317250, now seen corresponding path program 1 times [2025-02-06 09:00:40,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:00:40,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426433731] [2025-02-06 09:00:40,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:00:40,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:00:40,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 09:00:40,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 09:00:40,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:00:40,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:00:41,054 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 09:00:41,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:00:41,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426433731] [2025-02-06 09:00:41,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426433731] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:00:41,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:00:41,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 09:00:41,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780539658] [2025-02-06 09:00:41,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:00:41,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:00:41,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:00:41,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:00:41,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:00:41,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 172 [2025-02-06 09:00:41,058 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 287 flow. Second operand has 2 states, 2 states have (on average 88.0) internal successors, (176), 2 states have internal predecessors, (176), 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 09:00:41,058 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:00:41,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 172 [2025-02-06 09:00:41,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:00:41,411 INFO L124 PetriNetUnfolderBase]: 882/1665 cut-off events. [2025-02-06 09:00:41,412 INFO L125 PetriNetUnfolderBase]: For 141/141 co-relation queries the response was YES. [2025-02-06 09:00:41,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3079 conditions, 1665 events. 882/1665 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10654 event pairs, 719 based on Foata normal form. 793/2406 useless extension candidates. Maximal degree in co-relation 3051. Up to 1265 conditions per place. [2025-02-06 09:00:41,431 INFO L140 encePairwiseOnDemand]: 128/172 looper letters, 23 selfloop transitions, 0 changer transitions 0/86 dead transitions. [2025-02-06 09:00:41,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 86 transitions, 231 flow [2025-02-06 09:00:41,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:00:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:00:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 241 transitions. [2025-02-06 09:00:41,440 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7005813953488372 [2025-02-06 09:00:41,440 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 287 flow. Second operand 2 states and 241 transitions. [2025-02-06 09:00:41,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 86 transitions, 231 flow [2025-02-06 09:00:41,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 86 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:00:41,445 INFO L231 Difference]: Finished difference. Result has 90 places, 86 transitions, 184 flow [2025-02-06 09:00:41,445 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=184, PETRI_PLACES=90, PETRI_TRANSITIONS=86} [2025-02-06 09:00:41,446 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, -49 predicate places. [2025-02-06 09:00:41,447 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 86 transitions, 184 flow [2025-02-06 09:00:41,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 88.0) internal successors, (176), 2 states have internal predecessors, (176), 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 09:00:41,447 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:00:41,447 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] [2025-02-06 09:00:41,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:00:41,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-02-06 09:00:41,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:00:41,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1255491773, now seen corresponding path program 1 times [2025-02-06 09:00:41,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:00:41,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192218401] [2025-02-06 09:00:41,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:00:41,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:00:41,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 09:00:41,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 09:00:41,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:00:41,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:00:41,499 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 09:00:41,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:00:41,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192218401] [2025-02-06 09:00:41,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192218401] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:00:41,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:00:41,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:00:41,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853294408] [2025-02-06 09:00:41,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:00:41,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:00:41,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:00:41,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:00:41,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:00:41,543 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 172 [2025-02-06 09:00:41,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 86 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 09:00:41,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:00:41,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 172 [2025-02-06 09:00:41,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:00:42,138 INFO L124 PetriNetUnfolderBase]: 3022/5651 cut-off events. [2025-02-06 09:00:42,138 INFO L125 PetriNetUnfolderBase]: For 443/443 co-relation queries the response was YES. [2025-02-06 09:00:42,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10513 conditions, 5651 events. 3022/5651 cut-off events. For 443/443 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 45310 event pairs, 880 based on Foata normal form. 0/5300 useless extension candidates. Maximal degree in co-relation 10508. Up to 2663 conditions per place. [2025-02-06 09:00:42,211 INFO L140 encePairwiseOnDemand]: 158/172 looper letters, 43 selfloop transitions, 12 changer transitions 0/112 dead transitions. [2025-02-06 09:00:42,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 112 transitions, 354 flow [2025-02-06 09:00:42,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:00:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:00:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2025-02-06 09:00:42,212 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5465116279069767 [2025-02-06 09:00:42,212 INFO L175 Difference]: Start difference. First operand has 90 places, 86 transitions, 184 flow. Second operand 3 states and 282 transitions. [2025-02-06 09:00:42,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 112 transitions, 354 flow [2025-02-06 09:00:42,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 112 transitions, 354 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:00:42,216 INFO L231 Difference]: Finished difference. Result has 94 places, 98 transitions, 284 flow [2025-02-06 09:00:42,216 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=94, PETRI_TRANSITIONS=98} [2025-02-06 09:00:42,217 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, -45 predicate places. [2025-02-06 09:00:42,217 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 98 transitions, 284 flow [2025-02-06 09:00:42,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 09:00:42,217 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:00:42,217 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:00:42,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:00:42,218 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-02-06 09:00:42,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:00:42,218 INFO L85 PathProgramCache]: Analyzing trace with hash -832789078, now seen corresponding path program 1 times [2025-02-06 09:00:42,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:00:42,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834901145] [2025-02-06 09:00:42,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:00:42,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:00:42,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 09:00:42,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 09:00:42,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:00:42,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:00:42,318 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 09:00:42,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:00:42,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834901145] [2025-02-06 09:00:42,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834901145] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:00:42,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:00:42,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:00:42,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381343277] [2025-02-06 09:00:42,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:00:42,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:00:42,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:00:42,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:00:42,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:00:42,329 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 172 [2025-02-06 09:00:42,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 98 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 09:00:42,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:00:42,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 172 [2025-02-06 09:00:42,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:00:43,041 INFO L124 PetriNetUnfolderBase]: 2969/6519 cut-off events. [2025-02-06 09:00:43,041 INFO L125 PetriNetUnfolderBase]: For 3069/3069 co-relation queries the response was YES. [2025-02-06 09:00:43,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14825 conditions, 6519 events. 2969/6519 cut-off events. For 3069/3069 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 53935 event pairs, 619 based on Foata normal form. 183/6381 useless extension candidates. Maximal degree in co-relation 14818. Up to 2507 conditions per place. [2025-02-06 09:00:43,087 INFO L140 encePairwiseOnDemand]: 163/172 looper letters, 51 selfloop transitions, 9 changer transitions 0/125 dead transitions. [2025-02-06 09:00:43,088 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 125 transitions, 514 flow [2025-02-06 09:00:43,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:00:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:00:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2025-02-06 09:00:43,089 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5852713178294574 [2025-02-06 09:00:43,089 INFO L175 Difference]: Start difference. First operand has 94 places, 98 transitions, 284 flow. Second operand 3 states and 302 transitions. [2025-02-06 09:00:43,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 125 transitions, 514 flow [2025-02-06 09:00:43,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 125 transitions, 474 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:00:43,102 INFO L231 Difference]: Finished difference. Result has 95 places, 104 transitions, 311 flow [2025-02-06 09:00:43,104 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=95, PETRI_TRANSITIONS=104} [2025-02-06 09:00:43,104 INFO L279 CegarLoopForPetriNet]: 139 programPoint places, -44 predicate places. [2025-02-06 09:00:43,105 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 104 transitions, 311 flow [2025-02-06 09:00:43,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 09:00:43,105 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:00:43,105 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:00:43,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:00:43,105 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err7ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err15ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 76 more)] === [2025-02-06 09:00:43,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:00:43,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1768373098, now seen corresponding path program 1 times [2025-02-06 09:00:43,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:00:43,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26885741] [2025-02-06 09:00:43,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:00:43,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:00:43,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 09:00:43,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 09:00:43,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:00:43,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:00:43,122 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:00:43,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 09:00:43,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 09:00:43,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:00:43,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:00:43,135 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:00:43,135 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:00:43,135 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (79 of 80 remaining) [2025-02-06 09:00:43,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (78 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (77 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (76 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (75 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (74 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (73 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (72 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (71 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (70 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (69 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (68 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (67 of 80 remaining) [2025-02-06 09:00:43,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (66 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (65 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (64 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (63 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (62 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (61 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (60 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (59 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (58 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (57 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (55 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (54 of 80 remaining) [2025-02-06 09:00:43,137 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (53 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (50 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (49 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (48 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (47 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (46 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (45 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (44 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (43 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (42 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (41 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (40 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (39 of 80 remaining) [2025-02-06 09:00:43,138 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (38 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (37 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (36 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (35 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (34 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (33 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err15ASSERT_VIOLATIONDATA_RACE (32 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (31 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (30 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (29 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (28 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (27 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (26 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (25 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (24 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (23 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (22 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (21 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (20 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (19 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (18 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (16 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (15 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (14 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 80 remaining) [2025-02-06 09:00:43,139 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (10 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (8 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (5 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 80 remaining) [2025-02-06 09:00:43,140 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (1 of 80 remaining) [2025-02-06 09:00:43,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 80 remaining) [2025-02-06 09:00:43,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:00:43,141 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-06 09:00:43,166 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2025-02-06 09:00:43,166 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:00:43,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:00:43 BasicIcfg [2025-02-06 09:00:43,170 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:00:43,170 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:00:43,170 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:00:43,170 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:00:43,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:00:39" (3/4) ... [2025-02-06 09:00:43,172 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-06 09:00:43,211 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 17. [2025-02-06 09:00:43,265 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:00:43,269 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:00:43,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:00:43,271 INFO L158 Benchmark]: Toolchain (without parser) took 4606.84ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 110.9MB in the beginning and 112.7MB in the end (delta: -1.7MB). Peak memory consumption was 258.7MB. Max. memory is 16.1GB. [2025-02-06 09:00:43,271 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:00:43,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.54ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 90.5MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:00:43,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.57ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 87.4MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:00:43,271 INFO L158 Benchmark]: Boogie Preprocessor took 32.51ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 85.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:00:43,272 INFO L158 Benchmark]: IcfgBuilder took 832.67ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 66.1MB in the end (delta: 19.1MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2025-02-06 09:00:43,272 INFO L158 Benchmark]: TraceAbstraction took 3317.00ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 65.8MB in the beginning and 125.5MB in the end (delta: -59.7MB). Peak memory consumption was 200.8MB. Max. memory is 16.1GB. [2025-02-06 09:00:43,272 INFO L158 Benchmark]: Witness Printer took 98.70ms. Allocated memory is still 402.7MB. Free memory was 125.5MB in the beginning and 112.7MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:00:43,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.54ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 90.5MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.57ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 87.4MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.51ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 85.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 832.67ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 66.1MB in the end (delta: 19.1MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3317.00ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 65.8MB in the beginning and 125.5MB in the end (delta: -59.7MB). Peak memory consumption was 200.8MB. Max. memory is 16.1GB. * Witness Printer took 98.70ms. Allocated memory is still 402.7MB. Free memory was 125.5MB in the beginning and 112.7MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 729]: Data race detected Data race detected The following path leads to a data race: [L689] 0 int count = 0; VAL [count=0] [L708] 0 int mutexa = 0; VAL [count=0, mutexa={3:0}] [L709] 0 int mutexb = 0; VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L747] 0 pthread_t t; VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L748] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=-1] [L726] COND TRUE 1 1 VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L749] COND TRUE 0 1 [L751] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [count=0, mutexa={3:0}, mutexb={4:0}, t=0] [L739] COND FALSE 2 !(__VERIFIER_nondet_int()) VAL [count=0, mutexa={3:0}, mutexb={4:0}] [L742] CALL 2 my_thread2() [L719] CALL 2 __VERIFIER_atomic_acquire(&mutexb) [L692] EXPR 2 \read(*m) [L692] EXPR 2 *m==0 [L692] CALL 2 assume_abort_if_not(*m==0) [L4] COND FALSE 2 !(!cond) [L692] RET 2 assume_abort_if_not(*m==0) [L693] 2 *m = 1 [L719] RET 2 __VERIFIER_atomic_acquire(&mutexb) [L728] CALL 1 __VERIFIER_atomic_acquire(&mutexa) [L692] EXPR 1 \read(*m) [L692] EXPR 1 *m==0 [L692] CALL 1 assume_abort_if_not(*m==0) [L4] COND FALSE 1 !(!cond) [L692] RET 1 assume_abort_if_not(*m==0) [L693] 1 *m = 1 [L728] RET 1 __VERIFIER_atomic_acquire(&mutexa) [L729] 1 count >= -1 VAL [\old(arg)={0:0}, arg={0:0}, count=0, mutexa={3:0}, mutexb={4:0}] [L720] CALL 2 __VERIFIER_atomic_dec() [L706] 2 count-- [L720] RET 2 __VERIFIER_atomic_dec() [L729] 1 count >= -1 VAL [\old(arg)={0:0}, arg={0:0}, count=-1, mutexa={3:0}, mutexb={4:0}] Now there is a data race on ~count~0 between C: count-- [706] and C: count >= -1 [729] - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 702]: 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: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: 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: 702]: 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: 698]: 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: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 697]: 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: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - 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: 732]: 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: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 751]: 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: 748]: 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, 164 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: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 4 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 229 locations, 80 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: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 169 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 8 mSDtfsCounter, 169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 0.3s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2025-02-06 09:00:43,298 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)