./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:56:51,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:56:51,177 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:56:51,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:56:51,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:56:51,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:56:51,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:56:51,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:56:51,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:56:51,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:56:51,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:56:51,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:56:51,195 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:56:51,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:56:51,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:56:51,196 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:56:51,197 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:56:51,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:56:51,197 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:56:51,197 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/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 -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2025-03-08 21:56:51,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:56:51,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:56:51,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:56:51,436 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:56:51,436 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:56:51,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2025-03-08 21:56:52,576 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772d50443/350e23d8e02244e0b2a0384c4de62c24/FLAG1a7b2ca59 [2025-03-08 21:56:52,878 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:56:52,878 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2025-03-08 21:56:52,894 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772d50443/350e23d8e02244e0b2a0384c4de62c24/FLAG1a7b2ca59 [2025-03-08 21:56:52,905 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/772d50443/350e23d8e02244e0b2a0384c4de62c24 [2025-03-08 21:56:52,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:56:52,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:56:52,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:56:52,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:56:52,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:56:52,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:56:52" (1/1) ... [2025-03-08 21:56:52,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659b9ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:52, skipping insertion in model container [2025-03-08 21:56:52,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:56:52" (1/1) ... [2025-03-08 21:56:52,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:56:53,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:56:53,261 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:56:53,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:56:53,349 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:56:53,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53 WrapperNode [2025-03-08 21:56:53,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:56:53,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:56:53,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:56:53,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:56:53,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,385 INFO L138 Inliner]: procedures = 262, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 100 [2025-03-08 21:56:53,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:56:53,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:56:53,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:56:53,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:56:53,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,404 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:56:53,409 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:56:53,409 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:56:53,409 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:56:53,410 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (1/1) ... [2025-03-08 21:56:53,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:56:53,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:56:53,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 21:56:53,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 21:56:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-08 21:56:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 21:56:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 21:56:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-08 21:56:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:56:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-08 21:56:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-08 21:56:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:56:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:56:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:56:53,461 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:56:53,553 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:56:53,554 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:56:53,723 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:56:53,723 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:56:53,742 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:56:53,743 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:56:53,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:56:53 BoogieIcfgContainer [2025-03-08 21:56:53,743 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:56:53,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:56:53,745 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:56:53,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:56:53,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:56:52" (1/3) ... [2025-03-08 21:56:53,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660efdf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:56:53, skipping insertion in model container [2025-03-08 21:56:53,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:56:53" (2/3) ... [2025-03-08 21:56:53,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660efdf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:56:53, skipping insertion in model container [2025-03-08 21:56:53,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:56:53" (3/3) ... [2025-03-08 21:56:53,750 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2025-03-08 21:56:53,760 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:56:53,762 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_12-ptr_nr.i that has 2 procedures, 131 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-08 21:56:53,763 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:56:53,820 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-08 21:56:53,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 130 transitions, 267 flow [2025-03-08 21:56:53,901 INFO L124 PetriNetUnfolderBase]: 0/129 cut-off events. [2025-03-08 21:56:53,905 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 21:56:53,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 129 events. 0/129 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2025-03-08 21:56:53,909 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 130 transitions, 267 flow [2025-03-08 21:56:53,911 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 124 transitions, 251 flow [2025-03-08 21:56:53,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:56:53,927 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;@1ab0c5b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:56:53,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-08 21:56:53,952 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:56:53,953 INFO L124 PetriNetUnfolderBase]: 0/95 cut-off events. [2025-03-08 21:56:53,953 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:56:53,953 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:56:53,953 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:56:53,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-08 21:56:53,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:56:53,958 INFO L85 PathProgramCache]: Analyzing trace with hash 795628614, now seen corresponding path program 1 times [2025-03-08 21:56:53,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:56:53,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78881628] [2025-03-08 21:56:53,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:56:53,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:56:54,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-08 21:56:54,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-08 21:56:54,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:56:54,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:56:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:56:54,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:56:54,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78881628] [2025-03-08 21:56:54,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78881628] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:56:54,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:56:54,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:56:54,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763734618] [2025-03-08 21:56:54,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:56:54,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:56:54,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:56:54,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:56:54,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:56:54,943 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2025-03-08 21:56:54,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 124 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 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) [2025-03-08 21:56:54,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:56:54,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2025-03-08 21:56:54,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:56:55,086 INFO L124 PetriNetUnfolderBase]: 102/438 cut-off events. [2025-03-08 21:56:55,086 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-08 21:56:55,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 438 events. 102/438 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1850 event pairs, 49 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 591. Up to 181 conditions per place. [2025-03-08 21:56:55,090 INFO L140 encePairwiseOnDemand]: 119/130 looper letters, 28 selfloop transitions, 22 changer transitions 0/153 dead transitions. [2025-03-08 21:56:55,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 153 transitions, 409 flow [2025-03-08 21:56:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:56:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:56:55,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 699 transitions. [2025-03-08 21:56:55,107 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8961538461538462 [2025-03-08 21:56:55,110 INFO L175 Difference]: Start difference. First operand has 128 places, 124 transitions, 251 flow. Second operand 6 states and 699 transitions. [2025-03-08 21:56:55,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 153 transitions, 409 flow [2025-03-08 21:56:55,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 153 transitions, 408 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:56:55,118 INFO L231 Difference]: Finished difference. Result has 137 places, 145 transitions, 400 flow [2025-03-08 21:56:55,121 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=400, PETRI_PLACES=137, PETRI_TRANSITIONS=145} [2025-03-08 21:56:55,125 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 9 predicate places. [2025-03-08 21:56:55,125 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 145 transitions, 400 flow [2025-03-08 21:56:55,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 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) [2025-03-08 21:56:55,126 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:56:55,127 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:56:55,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:56:55,127 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-08 21:56:55,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:56:55,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1720917484, now seen corresponding path program 1 times [2025-03-08 21:56:55,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:56:55,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490095563] [2025-03-08 21:56:55,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:56:55,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:56:55,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-08 21:56:55,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-08 21:56:55,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:56:55,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:56:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:56:55,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:56:55,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490095563] [2025-03-08 21:56:55,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490095563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:56:55,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:56:55,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:56:55,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813617291] [2025-03-08 21:56:55,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:56:55,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:56:55,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:56:55,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:56:55,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:56:55,631 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2025-03-08 21:56:55,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 145 transitions, 400 flow. Second operand has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 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) [2025-03-08 21:56:55,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:56:55,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2025-03-08 21:56:55,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:56:55,771 INFO L124 PetriNetUnfolderBase]: 133/542 cut-off events. [2025-03-08 21:56:55,771 INFO L125 PetriNetUnfolderBase]: For 128/139 co-relation queries the response was YES. [2025-03-08 21:56:55,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 542 events. 133/542 cut-off events. For 128/139 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2624 event pairs, 43 based on Foata normal form. 1/520 useless extension candidates. Maximal degree in co-relation 922. Up to 220 conditions per place. [2025-03-08 21:56:55,777 INFO L140 encePairwiseOnDemand]: 119/130 looper letters, 41 selfloop transitions, 26 changer transitions 0/174 dead transitions. [2025-03-08 21:56:55,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 174 transitions, 610 flow [2025-03-08 21:56:55,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:56:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:56:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 699 transitions. [2025-03-08 21:56:55,781 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8961538461538462 [2025-03-08 21:56:55,781 INFO L175 Difference]: Start difference. First operand has 137 places, 145 transitions, 400 flow. Second operand 6 states and 699 transitions. [2025-03-08 21:56:55,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 174 transitions, 610 flow [2025-03-08 21:56:55,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 174 transitions, 610 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:56:55,789 INFO L231 Difference]: Finished difference. Result has 147 places, 166 transitions, 584 flow [2025-03-08 21:56:55,789 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=584, PETRI_PLACES=147, PETRI_TRANSITIONS=166} [2025-03-08 21:56:55,790 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 19 predicate places. [2025-03-08 21:56:55,790 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 166 transitions, 584 flow [2025-03-08 21:56:55,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 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) [2025-03-08 21:56:55,791 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:56:55,791 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:56:55,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:56:55,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-08 21:56:55,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:56:55,792 INFO L85 PathProgramCache]: Analyzing trace with hash -724203939, now seen corresponding path program 1 times [2025-03-08 21:56:55,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:56:55,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559173120] [2025-03-08 21:56:55,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:56:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:56:55,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-08 21:56:55,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-08 21:56:55,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:56:55,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:56:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:56:56,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:56:56,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559173120] [2025-03-08 21:56:56,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559173120] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:56:56,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:56:56,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:56:56,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452200728] [2025-03-08 21:56:56,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:56:56,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:56:56,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:56:56,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:56:56,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:56:56,260 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 130 [2025-03-08 21:56:56,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 166 transitions, 584 flow. Second operand has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 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) [2025-03-08 21:56:56,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:56:56,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 130 [2025-03-08 21:56:56,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:56:56,417 INFO L124 PetriNetUnfolderBase]: 267/869 cut-off events. [2025-03-08 21:56:56,417 INFO L125 PetriNetUnfolderBase]: For 527/543 co-relation queries the response was YES. [2025-03-08 21:56:56,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2140 conditions, 869 events. 267/869 cut-off events. For 527/543 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 4772 event pairs, 81 based on Foata normal form. 2/830 useless extension candidates. Maximal degree in co-relation 2049. Up to 476 conditions per place. [2025-03-08 21:56:56,422 INFO L140 encePairwiseOnDemand]: 115/130 looper letters, 66 selfloop transitions, 53 changer transitions 4/221 dead transitions. [2025-03-08 21:56:56,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 221 transitions, 1074 flow [2025-03-08 21:56:56,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:56:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:56:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 685 transitions. [2025-03-08 21:56:56,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8782051282051282 [2025-03-08 21:56:56,424 INFO L175 Difference]: Start difference. First operand has 147 places, 166 transitions, 584 flow. Second operand 6 states and 685 transitions. [2025-03-08 21:56:56,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 221 transitions, 1074 flow [2025-03-08 21:56:56,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 221 transitions, 1074 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:56:56,437 INFO L231 Difference]: Finished difference. Result has 157 places, 213 transitions, 1066 flow [2025-03-08 21:56:56,437 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1066, PETRI_PLACES=157, PETRI_TRANSITIONS=213} [2025-03-08 21:56:56,438 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 29 predicate places. [2025-03-08 21:56:56,438 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 213 transitions, 1066 flow [2025-03-08 21:56:56,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 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) [2025-03-08 21:56:56,439 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:56:56,439 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:56:56,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:56:56,439 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-08 21:56:56,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:56:56,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1407569164, now seen corresponding path program 1 times [2025-03-08 21:56:56,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:56:56,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230716010] [2025-03-08 21:56:56,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:56:56,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:56:56,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-08 21:56:56,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-08 21:56:56,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:56:56,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:56:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:56:56,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:56:56,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230716010] [2025-03-08 21:56:56,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230716010] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:56:56,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:56:56,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:56:56,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256899183] [2025-03-08 21:56:56,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:56:56,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:56:56,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:56:56,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:56:56,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:56:56,826 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 130 [2025-03-08 21:56:56,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 213 transitions, 1066 flow. Second operand has 6 states, 6 states have (on average 102.5) internal successors, (615), 6 states have internal predecessors, (615), 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) [2025-03-08 21:56:56,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:56:56,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 130 [2025-03-08 21:56:56,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:56:57,024 INFO L124 PetriNetUnfolderBase]: 358/1085 cut-off events. [2025-03-08 21:56:57,025 INFO L125 PetriNetUnfolderBase]: For 1443/1475 co-relation queries the response was YES. [2025-03-08 21:56:57,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3287 conditions, 1085 events. 358/1085 cut-off events. For 1443/1475 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 6361 event pairs, 77 based on Foata normal form. 3/1059 useless extension candidates. Maximal degree in co-relation 3189. Up to 593 conditions per place. [2025-03-08 21:56:57,033 INFO L140 encePairwiseOnDemand]: 115/130 looper letters, 104 selfloop transitions, 61 changer transitions 10/274 dead transitions. [2025-03-08 21:56:57,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 274 transitions, 1762 flow [2025-03-08 21:56:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:56:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:56:57,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 674 transitions. [2025-03-08 21:56:57,035 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8641025641025641 [2025-03-08 21:56:57,035 INFO L175 Difference]: Start difference. First operand has 157 places, 213 transitions, 1066 flow. Second operand 6 states and 674 transitions. [2025-03-08 21:56:57,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 274 transitions, 1762 flow [2025-03-08 21:56:57,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 274 transitions, 1698 flow, removed 32 selfloop flow, removed 0 redundant places. [2025-03-08 21:56:57,049 INFO L231 Difference]: Finished difference. Result has 167 places, 260 transitions, 1588 flow [2025-03-08 21:56:57,049 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=1008, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1588, PETRI_PLACES=167, PETRI_TRANSITIONS=260} [2025-03-08 21:56:57,050 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 39 predicate places. [2025-03-08 21:56:57,050 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 260 transitions, 1588 flow [2025-03-08 21:56:57,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 102.5) internal successors, (615), 6 states have internal predecessors, (615), 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) [2025-03-08 21:56:57,051 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:56:57,051 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:56:57,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:56:57,051 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-08 21:56:57,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:56:57,052 INFO L85 PathProgramCache]: Analyzing trace with hash 511518278, now seen corresponding path program 1 times [2025-03-08 21:56:57,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:56:57,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657022904] [2025-03-08 21:56:57,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:56:57,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:56:57,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-08 21:56:57,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-08 21:56:57,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:56:57,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:56:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:56:57,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:56:57,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657022904] [2025-03-08 21:56:57,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657022904] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:56:57,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:56:57,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 21:56:57,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829029504] [2025-03-08 21:56:57,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:56:57,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:56:57,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:56:57,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:56:57,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:56:57,146 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 130 [2025-03-08 21:56:57,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 260 transitions, 1588 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2025-03-08 21:56:57,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:56:57,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 130 [2025-03-08 21:56:57,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:56:57,167 INFO L124 PetriNetUnfolderBase]: 1/157 cut-off events. [2025-03-08 21:56:57,167 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2025-03-08 21:56:57,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 157 events. 1/157 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 90 event pairs, 1 based on Foata normal form. 2/159 useless extension candidates. Maximal degree in co-relation 225. Up to 15 conditions per place. [2025-03-08 21:56:57,168 INFO L140 encePairwiseOnDemand]: 126/130 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2025-03-08 21:56:57,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 120 transitions, 390 flow [2025-03-08 21:56:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:56:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:56:57,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2025-03-08 21:56:57,169 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9666666666666667 [2025-03-08 21:56:57,169 INFO L175 Difference]: Start difference. First operand has 167 places, 260 transitions, 1588 flow. Second operand 3 states and 377 transitions. [2025-03-08 21:56:57,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 120 transitions, 390 flow [2025-03-08 21:56:57,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 120 transitions, 254 flow, removed 28 selfloop flow, removed 40 redundant places. [2025-03-08 21:56:57,172 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2025-03-08 21:56:57,172 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2025-03-08 21:56:57,173 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, -3 predicate places. [2025-03-08 21:56:57,174 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2025-03-08 21:56:57,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2025-03-08 21:56:57,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2025-03-08 21:56:57,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-03-08 21:56:57,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-08 21:56:57,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-03-08 21:56:57,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-03-08 21:56:57,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-03-08 21:56:57,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-03-08 21:56:57,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 21:56:57,180 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-08 21:56:57,185 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:56:57,186 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:56:57,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:56:57 BasicIcfg [2025-03-08 21:56:57,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:56:57,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:56:57,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:56:57,190 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:56:57,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:56:53" (3/4) ... [2025-03-08 21:56:57,192 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 21:56:57,194 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-03-08 21:56:57,197 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-08 21:56:57,199 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 21:56:57,199 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 21:56:57,258 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:56:57,258 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:56:57,258 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:56:57,259 INFO L158 Benchmark]: Toolchain (without parser) took 4349.90ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 121.8MB in the beginning and 165.2MB in the end (delta: -43.4MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. [2025-03-08 21:56:57,259 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:56:57,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.03ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 94.0MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 21:56:57,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.52ms. Allocated memory is still 167.8MB. Free memory was 94.0MB in the beginning and 92.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:56:57,260 INFO L158 Benchmark]: Boogie Preprocessor took 21.52ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 90.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:56:57,260 INFO L158 Benchmark]: IcfgBuilder took 334.75ms. Allocated memory is still 167.8MB. Free memory was 90.2MB in the beginning and 72.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 21:56:57,261 INFO L158 Benchmark]: TraceAbstraction took 3444.14ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 72.0MB in the beginning and 173.6MB in the end (delta: -101.7MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2025-03-08 21:56:57,261 INFO L158 Benchmark]: Witness Printer took 68.44ms. Allocated memory is still 343.9MB. Free memory was 173.6MB in the beginning and 165.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:56:57,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.03ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 94.0MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.52ms. Allocated memory is still 167.8MB. Free memory was 94.0MB in the beginning and 92.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.52ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 90.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 334.75ms. Allocated memory is still 167.8MB. Free memory was 90.2MB in the beginning and 72.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3444.14ms. Allocated memory was 167.8MB in the beginning and 343.9MB in the end (delta: 176.2MB). Free memory was 72.0MB in the beginning and 173.6MB in the end (delta: -101.7MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Witness Printer took 68.44ms. Allocated memory is still 343.9MB. Free memory was 173.6MB in the beginning and 165.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 158 locations, 157 edges, 7 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: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 324 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 785 IncrementalHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 37 mSDtfsCounter, 785 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1588occurred in iteration=4, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 812 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 21:56:57,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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