./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:24:23,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:24:23,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:24:23,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:24:23,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:24:23,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:24:23,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:24:23,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:24:23,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:24:23,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:24:23,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:24:23,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:24:23,122 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:24:23,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:24:23,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:24:23,123 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:24:23,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:24:23,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:24:23,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:24:23,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:24:23,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:24:23,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:24:23,124 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:24:23,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:24:23,124 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:24:23,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:24:23,124 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:24:23,124 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:24:23,124 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:24:23,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:24:23,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:24:23,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:24:23,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:24:23,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:24:23,125 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:24:23,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:24:23,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:24:23,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:24:23,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:24:23,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:24:23,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:24:23,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:24:23,126 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 -> 5093baaae269ae8f20fbce19a6dc2a002c438d5951124b2c99d459b145e3e5a5 [2025-02-06 09:24:23,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:24:23,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:24:23,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:24:23,407 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:24:23,407 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:24:23,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2025-02-06 09:24:24,672 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6693e3f7/323bacc07d9d46e4b38a4befe7cbf329/FLAGeb1dd8c86 [2025-02-06 09:24:24,973 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:24:24,974 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_33-traces-v-matters_true.i [2025-02-06 09:24:24,985 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6693e3f7/323bacc07d9d46e4b38a4befe7cbf329/FLAGeb1dd8c86 [2025-02-06 09:24:25,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6693e3f7/323bacc07d9d46e4b38a4befe7cbf329 [2025-02-06 09:24:25,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:24:25,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:24:25,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:24:25,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:24:25,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:24:25,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1f1203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25, skipping insertion in model container [2025-02-06 09:24:25,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:24:25,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:24:25,371 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:24:25,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:24:25,454 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:24:25,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25 WrapperNode [2025-02-06 09:24:25,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:24:25,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:24:25,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:24:25,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:24:25,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,502 INFO L138 Inliner]: procedures = 162, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2025-02-06 09:24:25,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:24:25,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:24:25,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:24:25,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:24:25,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,526 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:24:25,535 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:24:25,535 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:24:25,535 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:24:25,536 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (1/1) ... [2025-02-06 09:24:25,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:24:25,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:24:25,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:24:25,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:24:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 09:24:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:24:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-06 09:24:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-06 09:24:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:24:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 09:24:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:24:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:24:25,590 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:24:25,701 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:24:25,703 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:24:25,926 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:24:25,926 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:24:25,974 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:24:25,975 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:24:25,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:24:25 BoogieIcfgContainer [2025-02-06 09:24:25,976 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:24:25,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:24:25,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:24:25,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:24:25,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:24:25" (1/3) ... [2025-02-06 09:24:25,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa2ce87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:24:25, skipping insertion in model container [2025-02-06 09:24:25,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:24:25" (2/3) ... [2025-02-06 09:24:25,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa2ce87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:24:25, skipping insertion in model container [2025-02-06 09:24:25,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:24:25" (3/3) ... [2025-02-06 09:24:25,986 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2025-02-06 09:24:26,001 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:24:26,004 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_33-traces-v-matters_true.i that has 2 procedures, 92 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-02-06 09:24:26,005 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:24:26,063 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:24:26,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 93 transitions, 190 flow [2025-02-06 09:24:26,156 INFO L124 PetriNetUnfolderBase]: 2/92 cut-off events. [2025-02-06 09:24:26,160 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:24:26,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2025-02-06 09:24:26,166 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 93 transitions, 190 flow [2025-02-06 09:24:26,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 92 transitions, 187 flow [2025-02-06 09:24:26,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:24:26,186 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;@3894dd83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:24:26,186 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-06 09:24:26,202 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:24:26,202 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2025-02-06 09:24:26,203 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:24:26,203 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:24:26,203 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:24:26,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-06 09:24:26,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:24:26,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1086702583, now seen corresponding path program 1 times [2025-02-06 09:24:26,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:24:26,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535045331] [2025-02-06 09:24:26,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:24:26,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:24:26,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 09:24:26,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 09:24:26,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:24:26,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:24:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:24:26,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:24:26,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535045331] [2025-02-06 09:24:26,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535045331] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:24:26,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:24:26,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:24:26,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909545577] [2025-02-06 09:24:26,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:24:26,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:24:26,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:24:26,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:24:26,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:24:26,559 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 93 [2025-02-06 09:24:26,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:26,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:24:26,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 93 [2025-02-06 09:24:26,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:24:26,701 INFO L124 PetriNetUnfolderBase]: 69/322 cut-off events. [2025-02-06 09:24:26,701 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:24:26,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 322 events. 69/322 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1456 event pairs, 50 based on Foata normal form. 21/327 useless extension candidates. Maximal degree in co-relation 444. Up to 133 conditions per place. [2025-02-06 09:24:26,706 INFO L140 encePairwiseOnDemand]: 85/93 looper letters, 21 selfloop transitions, 5 changer transitions 0/96 dead transitions. [2025-02-06 09:24:26,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 96 transitions, 247 flow [2025-02-06 09:24:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:24:26,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:24:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2025-02-06 09:24:26,719 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8853046594982079 [2025-02-06 09:24:26,720 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 187 flow. Second operand 3 states and 247 transitions. [2025-02-06 09:24:26,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 96 transitions, 247 flow [2025-02-06 09:24:26,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 96 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:24:26,731 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 216 flow [2025-02-06 09:24:26,733 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2025-02-06 09:24:26,738 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 1 predicate places. [2025-02-06 09:24:26,739 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 216 flow [2025-02-06 09:24:26,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:26,739 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:24:26,739 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:24:26,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:24:26,739 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-06 09:24:26,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:24:26,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1743391026, now seen corresponding path program 1 times [2025-02-06 09:24:26,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:24:26,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690781026] [2025-02-06 09:24:26,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:24:26,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:24:26,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 09:24:26,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 09:24:26,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:24:26,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:24:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:24:26,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:24:26,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690781026] [2025-02-06 09:24:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690781026] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:24:26,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:24:26,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:24:26,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827796577] [2025-02-06 09:24:26,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:24:26,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:24:26,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:24:26,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:24:26,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:24:26,871 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 93 [2025-02-06 09:24:26,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:26,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:24:26,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 93 [2025-02-06 09:24:26,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:24:27,024 INFO L124 PetriNetUnfolderBase]: 92/493 cut-off events. [2025-02-06 09:24:27,024 INFO L125 PetriNetUnfolderBase]: For 60/63 co-relation queries the response was YES. [2025-02-06 09:24:27,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 493 events. 92/493 cut-off events. For 60/63 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2584 event pairs, 61 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 753. Up to 172 conditions per place. [2025-02-06 09:24:27,028 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 26 selfloop transitions, 5 changer transitions 0/101 dead transitions. [2025-02-06 09:24:27,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 101 transitions, 300 flow [2025-02-06 09:24:27,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:24:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:24:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2025-02-06 09:24:27,031 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8602150537634409 [2025-02-06 09:24:27,031 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 216 flow. Second operand 3 states and 240 transitions. [2025-02-06 09:24:27,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 101 transitions, 300 flow [2025-02-06 09:24:27,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 101 transitions, 288 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:24:27,036 INFO L231 Difference]: Finished difference. Result has 97 places, 95 transitions, 242 flow [2025-02-06 09:24:27,037 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=97, PETRI_TRANSITIONS=95} [2025-02-06 09:24:27,038 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 3 predicate places. [2025-02-06 09:24:27,038 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 95 transitions, 242 flow [2025-02-06 09:24:27,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:27,039 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:24:27,039 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:24:27,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:24:27,040 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-06 09:24:27,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:24:27,042 INFO L85 PathProgramCache]: Analyzing trace with hash -72816936, now seen corresponding path program 1 times [2025-02-06 09:24:27,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:24:27,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758863105] [2025-02-06 09:24:27,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:24:27,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:24:27,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 09:24:27,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 09:24:27,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:24:27,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:24:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:24:27,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:24:27,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758863105] [2025-02-06 09:24:27,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758863105] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:24:27,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:24:27,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:24:27,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975061654] [2025-02-06 09:24:27,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:24:27,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:24:27,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:24:27,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:24:27,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:24:27,142 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 93 [2025-02-06 09:24:27,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 95 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:27,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:24:27,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 93 [2025-02-06 09:24:27,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:24:27,239 INFO L124 PetriNetUnfolderBase]: 66/484 cut-off events. [2025-02-06 09:24:27,240 INFO L125 PetriNetUnfolderBase]: For 103/105 co-relation queries the response was YES. [2025-02-06 09:24:27,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 767 conditions, 484 events. 66/484 cut-off events. For 103/105 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2692 event pairs, 39 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 724. Up to 123 conditions per place. [2025-02-06 09:24:27,244 INFO L140 encePairwiseOnDemand]: 89/93 looper letters, 19 selfloop transitions, 3 changer transitions 5/103 dead transitions. [2025-02-06 09:24:27,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 103 transitions, 316 flow [2025-02-06 09:24:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:24:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:24:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2025-02-06 09:24:27,246 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8853046594982079 [2025-02-06 09:24:27,246 INFO L175 Difference]: Start difference. First operand has 97 places, 95 transitions, 242 flow. Second operand 3 states and 247 transitions. [2025-02-06 09:24:27,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 103 transitions, 316 flow [2025-02-06 09:24:27,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 103 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:24:27,252 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 256 flow [2025-02-06 09:24:27,253 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2025-02-06 09:24:27,254 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 5 predicate places. [2025-02-06 09:24:27,254 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 256 flow [2025-02-06 09:24:27,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:27,255 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:24:27,255 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:24:27,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:24:27,255 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-06 09:24:27,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:24:27,256 INFO L85 PathProgramCache]: Analyzing trace with hash -46851776, now seen corresponding path program 1 times [2025-02-06 09:24:27,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:24:27,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079629875] [2025-02-06 09:24:27,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:24:27,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:24:27,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 09:24:27,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 09:24:27,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:24:27,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:24:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:24:27,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:24:27,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079629875] [2025-02-06 09:24:27,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079629875] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:24:27,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:24:27,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 09:24:27,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709505654] [2025-02-06 09:24:27,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:24:27,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:24:27,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:24:27,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:24:27,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:24:27,661 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2025-02-06 09:24:27,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 256 flow. Second operand has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:27,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:24:27,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2025-02-06 09:24:27,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:24:27,762 INFO L124 PetriNetUnfolderBase]: 17/253 cut-off events. [2025-02-06 09:24:27,763 INFO L125 PetriNetUnfolderBase]: For 33/35 co-relation queries the response was YES. [2025-02-06 09:24:27,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 253 events. 17/253 cut-off events. For 33/35 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1023 event pairs, 6 based on Foata normal form. 5/251 useless extension candidates. Maximal degree in co-relation 337. Up to 33 conditions per place. [2025-02-06 09:24:27,764 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 8 selfloop transitions, 6 changer transitions 6/96 dead transitions. [2025-02-06 09:24:27,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 96 transitions, 278 flow [2025-02-06 09:24:27,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:24:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 09:24:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 405 transitions. [2025-02-06 09:24:27,767 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8709677419354839 [2025-02-06 09:24:27,767 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 256 flow. Second operand 5 states and 405 transitions. [2025-02-06 09:24:27,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 96 transitions, 278 flow [2025-02-06 09:24:27,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 96 transitions, 260 flow, removed 4 selfloop flow, removed 4 redundant places. [2025-02-06 09:24:27,771 INFO L231 Difference]: Finished difference. Result has 99 places, 89 transitions, 224 flow [2025-02-06 09:24:27,772 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=224, PETRI_PLACES=99, PETRI_TRANSITIONS=89} [2025-02-06 09:24:27,773 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 5 predicate places. [2025-02-06 09:24:27,773 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 89 transitions, 224 flow [2025-02-06 09:24:27,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:27,774 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:24:27,774 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:24:27,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:24:27,775 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-02-06 09:24:27,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:24:27,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2055082253, now seen corresponding path program 1 times [2025-02-06 09:24:27,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:24:27,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501915401] [2025-02-06 09:24:27,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:24:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:24:27,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 09:24:27,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 09:24:27,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:24:27,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:24:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:24:28,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:24:28,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501915401] [2025-02-06 09:24:28,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501915401] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:24:28,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:24:28,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 09:24:28,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195422637] [2025-02-06 09:24:28,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:24:28,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:24:28,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:24:28,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:24:28,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:24:28,093 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2025-02-06 09:24:28,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 89 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:28,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:24:28,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2025-02-06 09:24:28,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:24:28,167 INFO L124 PetriNetUnfolderBase]: 7/210 cut-off events. [2025-02-06 09:24:28,167 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2025-02-06 09:24:28,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 210 events. 7/210 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 596 event pairs, 5 based on Foata normal form. 3/208 useless extension candidates. Maximal degree in co-relation 254. Up to 25 conditions per place. [2025-02-06 09:24:28,168 INFO L140 encePairwiseOnDemand]: 87/93 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2025-02-06 09:24:28,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 88 transitions, 247 flow [2025-02-06 09:24:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 09:24:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 09:24:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 403 transitions. [2025-02-06 09:24:28,170 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-02-06 09:24:28,170 INFO L175 Difference]: Start difference. First operand has 99 places, 89 transitions, 224 flow. Second operand 5 states and 403 transitions. [2025-02-06 09:24:28,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 88 transitions, 247 flow [2025-02-06 09:24:28,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 88 transitions, 225 flow, removed 4 selfloop flow, removed 7 redundant places. [2025-02-06 09:24:28,173 INFO L231 Difference]: Finished difference. Result has 94 places, 0 transitions, 0 flow [2025-02-06 09:24:28,173 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=94, PETRI_TRANSITIONS=0} [2025-02-06 09:24:28,174 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, 0 predicate places. [2025-02-06 09:24:28,174 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 0 transitions, 0 flow [2025-02-06 09:24:28,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:24:28,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2025-02-06 09:24:28,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2025-02-06 09:24:28,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-02-06 09:24:28,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2025-02-06 09:24:28,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2025-02-06 09:24:28,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:24:28,181 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-02-06 09:24:28,186 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 09:24:28,186 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 09:24:28,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 09:24:28 BasicIcfg [2025-02-06 09:24:28,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 09:24:28,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 09:24:28,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 09:24:28,194 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 09:24:28,194 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:24:25" (3/4) ... [2025-02-06 09:24:28,196 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 09:24:28,200 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-02-06 09:24:28,204 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-06 09:24:28,204 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 09:24:28,204 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 09:24:28,205 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 09:24:28,275 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 09:24:28,275 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 09:24:28,275 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 09:24:28,276 INFO L158 Benchmark]: Toolchain (without parser) took 3271.05ms. Allocated memory is still 201.3MB. Free memory was 153.8MB in the beginning and 116.9MB in the end (delta: 36.9MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2025-02-06 09:24:28,276 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 201.3MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:24:28,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.55ms. Allocated memory is still 201.3MB. Free memory was 153.8MB in the beginning and 134.0MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:24:28,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.39ms. Allocated memory is still 201.3MB. Free memory was 134.0MB in the beginning and 132.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 09:24:28,278 INFO L158 Benchmark]: Boogie Preprocessor took 28.04ms. Allocated memory is still 201.3MB. Free memory was 132.4MB in the beginning and 131.6MB in the end (delta: 743.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:24:28,279 INFO L158 Benchmark]: IcfgBuilder took 441.06ms. Allocated memory is still 201.3MB. Free memory was 131.3MB in the beginning and 115.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 09:24:28,279 INFO L158 Benchmark]: TraceAbstraction took 2215.31ms. Allocated memory is still 201.3MB. Free memory was 114.9MB in the beginning and 122.4MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:24:28,280 INFO L158 Benchmark]: Witness Printer took 81.88ms. Allocated memory is still 201.3MB. Free memory was 122.4MB in the beginning and 116.9MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 09:24:28,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 201.3MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.55ms. Allocated memory is still 201.3MB. Free memory was 153.8MB in the beginning and 134.0MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.39ms. Allocated memory is still 201.3MB. Free memory was 134.0MB in the beginning and 132.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.04ms. Allocated memory is still 201.3MB. Free memory was 132.4MB in the beginning and 131.6MB in the end (delta: 743.1kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 441.06ms. Allocated memory is still 201.3MB. Free memory was 131.3MB in the beginning and 115.2MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2215.31ms. Allocated memory is still 201.3MB. Free memory was 114.9MB in the beginning and 122.4MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.88ms. Allocated memory is still 201.3MB. Free memory was 122.4MB in the beginning and 116.9MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 115 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 403 IncrementalHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 29 mSDtfsCounter, 403 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=3, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 09:24:28,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE