./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.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 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:31:13,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:31:13,422 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:31:13,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:31:13,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:31:13,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:31:13,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:31:13,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:31:13,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:31:13,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:31:13,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:31:13,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:31:13,458 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:31:13,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:31:13,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:31:13,458 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:31:13,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:31:13,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:31:13,459 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:31:13,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:31:13,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:31:13,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:31:13,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:31:13,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:31:13,460 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:31:13,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:31:13,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:31:13,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:31:13,461 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:31:13,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:31:13,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:31:13,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:31:13,461 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 -> 071be118cd0932d66afa6bce30fcab76880adc6e53d2ca540223cce2e13054f4 [2025-02-08 05:31:13,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:31:13,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:31:13,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:31:13,845 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:31:13,845 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:31:13,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2025-02-08 05:31:15,074 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/66afbb784/1151bfbde7304f838472094e8d16e38b/FLAG2acff2cd7 [2025-02-08 05:31:15,418 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:31:15,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/06-symbeq_11-equ_nr.i [2025-02-08 05:31:15,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/66afbb784/1151bfbde7304f838472094e8d16e38b/FLAG2acff2cd7 [2025-02-08 05:31:15,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/66afbb784/1151bfbde7304f838472094e8d16e38b [2025-02-08 05:31:15,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:31:15,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:31:15,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:31:15,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:31:15,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:31:15,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:31:15" (1/1) ... [2025-02-08 05:31:15,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d7a83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:15, skipping insertion in model container [2025-02-08 05:31:15,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:31:15" (1/1) ... [2025-02-08 05:31:15,704 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:31:15,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:31:15,999 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:31:16,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:31:16,093 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:31:16,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16 WrapperNode [2025-02-08 05:31:16,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:31:16,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:31:16,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:31:16,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:31:16,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,130 INFO L138 Inliner]: procedures = 265, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2025-02-08 05:31:16,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:31:16,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:31:16,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:31:16,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:31:16,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,144 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:31:16,148 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:31:16,148 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:31:16,148 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:31:16,149 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (1/1) ... [2025-02-08 05:31:16,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:31:16,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:31:16,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:31:16,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:31:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:31:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-08 05:31:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:31:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:31:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-08 05:31:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-08 05:31:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:31:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:31:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:31:16,203 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:31:16,311 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:31:16,314 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:31:16,510 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:31:16,511 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:31:16,539 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:31:16,539 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:31:16,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:31:16 BoogieIcfgContainer [2025-02-08 05:31:16,540 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:31:16,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:31:16,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:31:16,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:31:16,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:31:15" (1/3) ... [2025-02-08 05:31:16,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149601c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:31:16, skipping insertion in model container [2025-02-08 05:31:16,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:31:16" (2/3) ... [2025-02-08 05:31:16,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149601c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:31:16, skipping insertion in model container [2025-02-08 05:31:16,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:31:16" (3/3) ... [2025-02-08 05:31:16,549 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_11-equ_nr.i [2025-02-08 05:31:16,562 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:31:16,564 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_11-equ_nr.i that has 2 procedures, 89 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 05:31:16,564 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:31:16,642 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 05:31:16,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 89 transitions, 182 flow [2025-02-08 05:31:16,729 INFO L124 PetriNetUnfolderBase]: 1/88 cut-off events. [2025-02-08 05:31:16,735 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:31:16,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 88 events. 1/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2025-02-08 05:31:16,744 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 89 transitions, 182 flow [2025-02-08 05:31:16,750 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 86 transitions, 175 flow [2025-02-08 05:31:16,759 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:31:16,768 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;@65d85580, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:31:16,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 05:31:16,785 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:31:16,786 INFO L124 PetriNetUnfolderBase]: 1/70 cut-off events. [2025-02-08 05:31:16,786 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:31:16,786 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:31:16,786 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] [2025-02-08 05:31:16,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-02-08 05:31:16,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:31:16,793 INFO L85 PathProgramCache]: Analyzing trace with hash 396218504, now seen corresponding path program 1 times [2025-02-08 05:31:16,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:31:16,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16818494] [2025-02-08 05:31:16,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:31:16,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:31:16,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 05:31:16,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 05:31:16,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:31:16,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:31:17,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:31:17,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:31:17,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16818494] [2025-02-08 05:31:17,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16818494] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:31:17,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:31:17,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:31:17,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544100404] [2025-02-08 05:31:17,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:31:17,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:31:17,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:31:17,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:31:17,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:31:17,743 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 89 [2025-02-08 05:31:17,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 175 flow. Second operand has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:17,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:31:17,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 89 [2025-02-08 05:31:17,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:31:17,991 INFO L124 PetriNetUnfolderBase]: 79/333 cut-off events. [2025-02-08 05:31:17,992 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:31:17,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 333 events. 79/333 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1418 event pairs, 25 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 459. Up to 130 conditions per place. [2025-02-08 05:31:17,996 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 21 selfloop transitions, 22 changer transitions 4/115 dead transitions. [2025-02-08 05:31:17,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 115 transitions, 327 flow [2025-02-08 05:31:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:31:18,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:31:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 474 transitions. [2025-02-08 05:31:18,014 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8876404494382022 [2025-02-08 05:31:18,015 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 175 flow. Second operand 6 states and 474 transitions. [2025-02-08 05:31:18,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 115 transitions, 327 flow [2025-02-08 05:31:18,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 115 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:31:18,026 INFO L231 Difference]: Finished difference. Result has 98 places, 107 transitions, 324 flow [2025-02-08 05:31:18,029 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=98, PETRI_TRANSITIONS=107} [2025-02-08 05:31:18,032 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 9 predicate places. [2025-02-08 05:31:18,033 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 107 transitions, 324 flow [2025-02-08 05:31:18,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:18,034 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:31:18,034 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] [2025-02-08 05:31:18,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:31:18,035 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-02-08 05:31:18,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:31:18,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2019082116, now seen corresponding path program 1 times [2025-02-08 05:31:18,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:31:18,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727790636] [2025-02-08 05:31:18,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:31:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:31:18,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 05:31:18,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 05:31:18,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:31:18,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:31:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:31:18,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:31:18,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727790636] [2025-02-08 05:31:18,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727790636] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:31:18,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:31:18,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:31:18,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442071780] [2025-02-08 05:31:18,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:31:18,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:31:18,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:31:18,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:31:18,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:31:18,421 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 89 [2025-02-08 05:31:18,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 107 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:18,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:31:18,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 89 [2025-02-08 05:31:18,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:31:18,566 INFO L124 PetriNetUnfolderBase]: 132/466 cut-off events. [2025-02-08 05:31:18,567 INFO L125 PetriNetUnfolderBase]: For 136/144 co-relation queries the response was YES. [2025-02-08 05:31:18,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 466 events. 132/466 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2214 event pairs, 31 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 995. Up to 218 conditions per place. [2025-02-08 05:31:18,570 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 39 selfloop transitions, 29 changer transitions 7/142 dead transitions. [2025-02-08 05:31:18,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 142 transitions, 614 flow [2025-02-08 05:31:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:31:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:31:18,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 459 transitions. [2025-02-08 05:31:18,572 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8595505617977528 [2025-02-08 05:31:18,572 INFO L175 Difference]: Start difference. First operand has 98 places, 107 transitions, 324 flow. Second operand 6 states and 459 transitions. [2025-02-08 05:31:18,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 142 transitions, 614 flow [2025-02-08 05:31:18,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 142 transitions, 614 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:31:18,577 INFO L231 Difference]: Finished difference. Result has 108 places, 131 transitions, 578 flow [2025-02-08 05:31:18,578 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=578, PETRI_PLACES=108, PETRI_TRANSITIONS=131} [2025-02-08 05:31:18,578 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 19 predicate places. [2025-02-08 05:31:18,578 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 131 transitions, 578 flow [2025-02-08 05:31:18,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:18,579 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:31:18,579 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:31:18,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:31:18,579 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-02-08 05:31:18,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:31:18,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1777589571, now seen corresponding path program 1 times [2025-02-08 05:31:18,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:31:18,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975257907] [2025-02-08 05:31:18,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:31:18,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:31:18,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 05:31:18,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 05:31:18,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:31:18,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:31:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:31:18,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:31:18,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975257907] [2025-02-08 05:31:18,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975257907] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:31:18,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:31:18,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 05:31:18,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064626554] [2025-02-08 05:31:18,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:31:18,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 05:31:18,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:31:18,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 05:31:18,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 05:31:18,958 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 89 [2025-02-08 05:31:18,959 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 131 transitions, 578 flow. Second operand has 7 states, 7 states have (on average 75.71428571428571) internal successors, (530), 7 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:18,959 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:31:18,959 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 89 [2025-02-08 05:31:18,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:31:19,067 INFO L124 PetriNetUnfolderBase]: 88/442 cut-off events. [2025-02-08 05:31:19,067 INFO L125 PetriNetUnfolderBase]: For 189/193 co-relation queries the response was YES. [2025-02-08 05:31:19,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 442 events. 88/442 cut-off events. For 189/193 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2207 event pairs, 7 based on Foata normal form. 2/443 useless extension candidates. Maximal degree in co-relation 850. Up to 83 conditions per place. [2025-02-08 05:31:19,074 INFO L140 encePairwiseOnDemand]: 81/89 looper letters, 11 selfloop transitions, 4 changer transitions 16/143 dead transitions. [2025-02-08 05:31:19,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 143 transitions, 658 flow [2025-02-08 05:31:19,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 05:31:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 05:31:19,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 547 transitions. [2025-02-08 05:31:19,077 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8780096308186196 [2025-02-08 05:31:19,077 INFO L175 Difference]: Start difference. First operand has 108 places, 131 transitions, 578 flow. Second operand 7 states and 547 transitions. [2025-02-08 05:31:19,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 143 transitions, 658 flow [2025-02-08 05:31:19,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 143 transitions, 640 flow, removed 9 selfloop flow, removed 0 redundant places. [2025-02-08 05:31:19,091 INFO L231 Difference]: Finished difference. Result has 117 places, 126 transitions, 568 flow [2025-02-08 05:31:19,092 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=568, PETRI_PLACES=117, PETRI_TRANSITIONS=126} [2025-02-08 05:31:19,093 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 28 predicate places. [2025-02-08 05:31:19,093 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 126 transitions, 568 flow [2025-02-08 05:31:19,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 75.71428571428571) internal successors, (530), 7 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:19,094 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:31:19,094 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:31:19,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:31:19,094 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-02-08 05:31:19,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:31:19,095 INFO L85 PathProgramCache]: Analyzing trace with hash -180668312, now seen corresponding path program 1 times [2025-02-08 05:31:19,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:31:19,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464721226] [2025-02-08 05:31:19,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:31:19,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:31:19,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 05:31:19,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 05:31:19,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:31:19,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:31:19,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:31:19,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:31:19,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464721226] [2025-02-08 05:31:19,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464721226] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:31:19,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:31:19,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 05:31:19,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675065174] [2025-02-08 05:31:19,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:31:19,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 05:31:19,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:31:19,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 05:31:19,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 05:31:19,910 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-02-08 05:31:19,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 126 transitions, 568 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:19,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:31:19,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-02-08 05:31:19,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:31:20,179 INFO L124 PetriNetUnfolderBase]: 129/445 cut-off events. [2025-02-08 05:31:20,179 INFO L125 PetriNetUnfolderBase]: For 426/426 co-relation queries the response was YES. [2025-02-08 05:31:20,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1385 conditions, 445 events. 129/445 cut-off events. For 426/426 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2116 event pairs, 22 based on Foata normal form. 11/453 useless extension candidates. Maximal degree in co-relation 1320. Up to 89 conditions per place. [2025-02-08 05:31:20,182 INFO L140 encePairwiseOnDemand]: 77/89 looper letters, 62 selfloop transitions, 32 changer transitions 23/175 dead transitions. [2025-02-08 05:31:20,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 175 transitions, 1110 flow [2025-02-08 05:31:20,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 05:31:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-08 05:31:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 756 transitions. [2025-02-08 05:31:20,184 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7722165474974464 [2025-02-08 05:31:20,184 INFO L175 Difference]: Start difference. First operand has 117 places, 126 transitions, 568 flow. Second operand 11 states and 756 transitions. [2025-02-08 05:31:20,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 175 transitions, 1110 flow [2025-02-08 05:31:20,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 175 transitions, 1059 flow, removed 21 selfloop flow, removed 5 redundant places. [2025-02-08 05:31:20,189 INFO L231 Difference]: Finished difference. Result has 121 places, 127 transitions, 664 flow [2025-02-08 05:31:20,190 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=664, PETRI_PLACES=121, PETRI_TRANSITIONS=127} [2025-02-08 05:31:20,190 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 32 predicate places. [2025-02-08 05:31:20,190 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 127 transitions, 664 flow [2025-02-08 05:31:20,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:20,191 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:31:20,191 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:31:20,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:31:20,191 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-02-08 05:31:20,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:31:20,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1866724040, now seen corresponding path program 1 times [2025-02-08 05:31:20,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:31:20,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796755602] [2025-02-08 05:31:20,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:31:20,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:31:20,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 05:31:20,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 05:31:20,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:31:20,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:31:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:31:20,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:31:20,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796755602] [2025-02-08 05:31:20,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796755602] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:31:20,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:31:20,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 05:31:20,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288978498] [2025-02-08 05:31:20,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:31:20,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 05:31:20,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:31:20,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 05:31:20,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 05:31:21,055 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-02-08 05:31:21,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 127 transitions, 664 flow. Second operand has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:21,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:31:21,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-02-08 05:31:21,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:31:21,377 INFO L124 PetriNetUnfolderBase]: 105/385 cut-off events. [2025-02-08 05:31:21,378 INFO L125 PetriNetUnfolderBase]: For 620/647 co-relation queries the response was YES. [2025-02-08 05:31:21,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1331 conditions, 385 events. 105/385 cut-off events. For 620/647 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1695 event pairs, 20 based on Foata normal form. 16/399 useless extension candidates. Maximal degree in co-relation 1308. Up to 82 conditions per place. [2025-02-08 05:31:21,380 INFO L140 encePairwiseOnDemand]: 78/89 looper letters, 45 selfloop transitions, 28 changer transitions 33/157 dead transitions. [2025-02-08 05:31:21,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 157 transitions, 1136 flow [2025-02-08 05:31:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 05:31:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-08 05:31:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 682 transitions. [2025-02-08 05:31:21,383 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7662921348314606 [2025-02-08 05:31:21,383 INFO L175 Difference]: Start difference. First operand has 121 places, 127 transitions, 664 flow. Second operand 10 states and 682 transitions. [2025-02-08 05:31:21,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 157 transitions, 1136 flow [2025-02-08 05:31:21,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 157 transitions, 1086 flow, removed 8 selfloop flow, removed 7 redundant places. [2025-02-08 05:31:21,390 INFO L231 Difference]: Finished difference. Result has 121 places, 108 transitions, 551 flow [2025-02-08 05:31:21,391 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=551, PETRI_PLACES=121, PETRI_TRANSITIONS=108} [2025-02-08 05:31:21,391 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 32 predicate places. [2025-02-08 05:31:21,391 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 108 transitions, 551 flow [2025-02-08 05:31:21,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.54545454545455) internal successors, (710), 11 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:21,392 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:31:21,392 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:31:21,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:31:21,392 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-02-08 05:31:21,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:31:21,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1057454923, now seen corresponding path program 1 times [2025-02-08 05:31:21,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:31:21,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348615680] [2025-02-08 05:31:21,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:31:21,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:31:21,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 05:31:21,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 05:31:21,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:31:21,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:31:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:31:21,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:31:21,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348615680] [2025-02-08 05:31:21,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348615680] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:31:21,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:31:21,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 05:31:21,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928363270] [2025-02-08 05:31:21,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:31:21,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 05:31:21,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:31:21,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 05:31:21,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-02-08 05:31:22,221 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-02-08 05:31:22,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 108 transitions, 551 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:22,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:31:22,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-02-08 05:31:22,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:31:22,408 INFO L124 PetriNetUnfolderBase]: 49/218 cut-off events. [2025-02-08 05:31:22,408 INFO L125 PetriNetUnfolderBase]: For 432/441 co-relation queries the response was YES. [2025-02-08 05:31:22,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 218 events. 49/218 cut-off events. For 432/441 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 651 event pairs, 11 based on Foata normal form. 10/226 useless extension candidates. Maximal degree in co-relation 745. Up to 40 conditions per place. [2025-02-08 05:31:22,409 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 37 selfloop transitions, 17 changer transitions 21/129 dead transitions. [2025-02-08 05:31:22,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 129 transitions, 836 flow [2025-02-08 05:31:22,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 05:31:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-08 05:31:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 739 transitions. [2025-02-08 05:31:22,413 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7548518896833504 [2025-02-08 05:31:22,413 INFO L175 Difference]: Start difference. First operand has 121 places, 108 transitions, 551 flow. Second operand 11 states and 739 transitions. [2025-02-08 05:31:22,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 129 transitions, 836 flow [2025-02-08 05:31:22,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 129 transitions, 721 flow, removed 5 selfloop flow, removed 12 redundant places. [2025-02-08 05:31:22,419 INFO L231 Difference]: Finished difference. Result has 114 places, 98 transitions, 424 flow [2025-02-08 05:31:22,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=424, PETRI_PLACES=114, PETRI_TRANSITIONS=98} [2025-02-08 05:31:22,420 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 25 predicate places. [2025-02-08 05:31:22,420 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 98 transitions, 424 flow [2025-02-08 05:31:22,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:22,422 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:31:22,422 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:31:22,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 05:31:22,422 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-02-08 05:31:22,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:31:22,423 INFO L85 PathProgramCache]: Analyzing trace with hash -406133407, now seen corresponding path program 2 times [2025-02-08 05:31:22,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:31:22,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659893844] [2025-02-08 05:31:22,423 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:31:22,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:31:22,436 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 1 equivalence classes. [2025-02-08 05:31:22,444 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 05:31:22,444 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:31:22,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:31:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:31:22,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:31:22,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659893844] [2025-02-08 05:31:22,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659893844] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:31:22,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:31:22,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 05:31:22,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114427151] [2025-02-08 05:31:22,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:31:22,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 05:31:22,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:31:22,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 05:31:22,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-02-08 05:31:23,189 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-02-08 05:31:23,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 98 transitions, 424 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:23,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:31:23,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-02-08 05:31:23,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:31:23,386 INFO L124 PetriNetUnfolderBase]: 36/189 cut-off events. [2025-02-08 05:31:23,387 INFO L125 PetriNetUnfolderBase]: For 367/372 co-relation queries the response was YES. [2025-02-08 05:31:23,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 189 events. 36/189 cut-off events. For 367/372 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 500 event pairs, 11 based on Foata normal form. 6/193 useless extension candidates. Maximal degree in co-relation 585. Up to 36 conditions per place. [2025-02-08 05:31:23,388 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 25 selfloop transitions, 9 changer transitions 29/116 dead transitions. [2025-02-08 05:31:23,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 116 transitions, 645 flow [2025-02-08 05:31:23,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 05:31:23,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-02-08 05:31:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 800 transitions. [2025-02-08 05:31:23,390 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7490636704119851 [2025-02-08 05:31:23,390 INFO L175 Difference]: Start difference. First operand has 114 places, 98 transitions, 424 flow. Second operand 12 states and 800 transitions. [2025-02-08 05:31:23,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 116 transitions, 645 flow [2025-02-08 05:31:23,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 116 transitions, 602 flow, removed 5 selfloop flow, removed 10 redundant places. [2025-02-08 05:31:23,393 INFO L231 Difference]: Finished difference. Result has 115 places, 84 transitions, 300 flow [2025-02-08 05:31:23,394 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=300, PETRI_PLACES=115, PETRI_TRANSITIONS=84} [2025-02-08 05:31:23,395 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 26 predicate places. [2025-02-08 05:31:23,396 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 84 transitions, 300 flow [2025-02-08 05:31:23,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:23,396 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:31:23,397 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:31:23,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 05:31:23,397 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2025-02-08 05:31:23,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:31:23,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1888801743, now seen corresponding path program 3 times [2025-02-08 05:31:23,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:31:23,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396269625] [2025-02-08 05:31:23,398 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 05:31:23,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:31:23,410 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 73 statements into 1 equivalence classes. [2025-02-08 05:31:23,417 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 05:31:23,418 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-08 05:31:23,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:31:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:31:23,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:31:23,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396269625] [2025-02-08 05:31:23,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396269625] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:31:23,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:31:23,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-08 05:31:23,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824178259] [2025-02-08 05:31:23,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:31:23,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 05:31:23,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:31:23,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 05:31:23,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-02-08 05:31:24,098 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 89 [2025-02-08 05:31:24,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 84 transitions, 300 flow. Second operand has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:24,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:31:24,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 89 [2025-02-08 05:31:24,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:31:24,242 INFO L124 PetriNetUnfolderBase]: 16/132 cut-off events. [2025-02-08 05:31:24,242 INFO L125 PetriNetUnfolderBase]: For 142/143 co-relation queries the response was YES. [2025-02-08 05:31:24,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 132 events. 16/132 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 249 event pairs, 11 based on Foata normal form. 2/132 useless extension candidates. Maximal degree in co-relation 312. Up to 32 conditions per place. [2025-02-08 05:31:24,243 INFO L140 encePairwiseOnDemand]: 79/89 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2025-02-08 05:31:24,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 88 transitions, 389 flow [2025-02-08 05:31:24,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 05:31:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-02-08 05:31:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 721 transitions. [2025-02-08 05:31:24,245 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7364657814096016 [2025-02-08 05:31:24,245 INFO L175 Difference]: Start difference. First operand has 115 places, 84 transitions, 300 flow. Second operand 11 states and 721 transitions. [2025-02-08 05:31:24,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 88 transitions, 389 flow [2025-02-08 05:31:24,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 88 transitions, 344 flow, removed 7 selfloop flow, removed 14 redundant places. [2025-02-08 05:31:24,250 INFO L231 Difference]: Finished difference. Result has 101 places, 0 transitions, 0 flow [2025-02-08 05:31:24,250 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=101, PETRI_TRANSITIONS=0} [2025-02-08 05:31:24,251 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, 12 predicate places. [2025-02-08 05:31:24,251 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 0 transitions, 0 flow [2025-02-08 05:31:24,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 65.0909090909091) internal successors, (716), 11 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:31:24,255 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2025-02-08 05:31:24,255 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-02-08 05:31:24,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2025-02-08 05:31:24,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2025-02-08 05:31:24,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 05:31:24,256 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2025-02-08 05:31:24,260 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:31:24,260 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:31:24,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:31:24 BasicIcfg [2025-02-08 05:31:24,265 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:31:24,266 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:31:24,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:31:24,266 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:31:24,267 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:31:16" (3/4) ... [2025-02-08 05:31:24,268 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:31:24,270 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-02-08 05:31:24,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 05:31:24,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 05:31:24,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 05:31:24,369 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:31:24,370 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:31:24,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:31:24,370 INFO L158 Benchmark]: Toolchain (without parser) took 8702.33ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 112.2MB in the beginning and 194.7MB in the end (delta: -82.5MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. [2025-02-08 05:31:24,375 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:31:24,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.69ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 84.7MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 05:31:24,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.62ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:31:24,375 INFO L158 Benchmark]: Boogie Preprocessor took 16.32ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:31:24,376 INFO L158 Benchmark]: IcfgBuilder took 392.08ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 65.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:31:24,376 INFO L158 Benchmark]: TraceAbstraction took 7723.17ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 64.1MB in the beginning and 200.2MB in the end (delta: -136.1MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2025-02-08 05:31:24,376 INFO L158 Benchmark]: Witness Printer took 103.73ms. Allocated memory is still 411.0MB. Free memory was 200.2MB in the beginning and 194.7MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:31:24,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.69ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 84.7MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.62ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.32ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 392.08ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 65.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7723.17ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 64.1MB in the beginning and 200.2MB in the end (delta: -136.1MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. * Witness Printer took 103.73ms. Allocated memory is still 411.0MB. Free memory was 200.2MB in the beginning and 194.7MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1022]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 996]: 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, 107 locations, 4 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: 7.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1954 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1595 mSDsluCounter, 1945 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1872 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5160 IncrementalHoareTripleChecker+Invalid, 5257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 73 mSDtfsCounter, 5160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=4, InterpolantAutomatonStates: 74, 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, 3.0s InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 2909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:31:24,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE