./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 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 ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:29:05,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:29:05,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-30 10:29:05,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:29:05,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:29:05,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:29:05,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:29:05,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:29:05,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:29:05,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:29:05,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:29:05,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:29:05,300 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:29:05,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:29:05,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:29:05,300 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-30 10:29:05,300 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-30 10:29:05,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-30 10:29:05,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:29:05,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:29:05,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:29:05,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:29:05,301 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-30 10:29:05,301 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-30 10:29:05,301 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-30 10:29:05,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:29:05,301 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:29:05,301 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:29:05,301 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:29:05,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:29:05,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:29:05,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:29:05,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:29:05,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:29:05,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:29:05,303 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:29:05,304 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 -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2025-04-30 10:29:05,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:29:05,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:29:05,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:29:05,540 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:29:05,540 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:29:05,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2025-04-30 10:29:06,875 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53569fd8b/26ff06c5a45846e3ad241a54b616505e/FLAGcf0ad2a03 [2025-04-30 10:29:07,186 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:29:07,188 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2025-04-30 10:29:07,211 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53569fd8b/26ff06c5a45846e3ad241a54b616505e/FLAGcf0ad2a03 [2025-04-30 10:29:07,876 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53569fd8b/26ff06c5a45846e3ad241a54b616505e [2025-04-30 10:29:07,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:29:07,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:29:07,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:29:07,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:29:07,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:29:07,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:29:07" (1/1) ... [2025-04-30 10:29:07,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ed087f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:07, skipping insertion in model container [2025-04-30 10:29:07,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:29:07" (1/1) ... [2025-04-30 10:29:07,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:29:08,405 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:29:08,416 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:29:08,490 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:29:08,553 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:29:08,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08 WrapperNode [2025-04-30 10:29:08,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:29:08,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:29:08,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:29:08,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:29:08,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,599 INFO L138 Inliner]: procedures = 364, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2025-04-30 10:29:08,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:29:08,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:29:08,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:29:08,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:29:08,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,620 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:29:08,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:29:08,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:29:08,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:29:08,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (1/1) ... [2025-04-30 10:29:08,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:29:08,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:29:08,666 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) [2025-04-30 10:29:08,669 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 [2025-04-30 10:29:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-30 10:29:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-30 10:29:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:29:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2025-04-30 10:29:08,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2025-04-30 10:29:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-30 10:29:08,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:29:08,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:29:08,689 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-30 10:29:08,783 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:29:08,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:29:08,914 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-30 10:29:08,915 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:29:08,932 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:29:08,936 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-30 10:29:08,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:29:08 BoogieIcfgContainer [2025-04-30 10:29:08,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:29:08,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:29:08,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:29:08,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:29:08,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:29:07" (1/3) ... [2025-04-30 10:29:08,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456a830e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:29:08, skipping insertion in model container [2025-04-30 10:29:08,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:29:08" (2/3) ... [2025-04-30 10:29:08,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456a830e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:29:08, skipping insertion in model container [2025-04-30 10:29:08,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:29:08" (3/3) ... [2025-04-30 10:29:08,943 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2025-04-30 10:29:08,956 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:29:08,958 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-1.i that has 2 procedures, 110 locations, 114 edges, 1 initial locations, 2 loop locations, and 6 error locations. [2025-04-30 10:29:08,959 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-30 10:29:09,008 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-30 10:29:09,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 115 transitions, 237 flow [2025-04-30 10:29:09,089 INFO L116 PetriNetUnfolderBase]: 6/114 cut-off events. [2025-04-30 10:29:09,090 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:29:09,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 6/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 156 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2025-04-30 10:29:09,092 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 115 transitions, 237 flow [2025-04-30 10:29:09,094 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 96 transitions, 198 flow [2025-04-30 10:29:09,099 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:29:09,106 INFO L340 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;@1a2e457e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:29:09,106 INFO L341 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-04-30 10:29:09,111 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-30 10:29:09,111 INFO L116 PetriNetUnfolderBase]: 0/29 cut-off events. [2025-04-30 10:29:09,111 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:29:09,112 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:29:09,112 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:29:09,112 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:29:09,116 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:29:09,116 INFO L85 PathProgramCache]: Analyzing trace with hash 108747773, now seen corresponding path program 1 times [2025-04-30 10:29:09,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:29:09,123 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646197409] [2025-04-30 10:29:09,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:29:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:29:09,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-30 10:29:09,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-30 10:29:09,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:29:09,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:29:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:29:09,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:29:09,271 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646197409] [2025-04-30 10:29:09,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646197409] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:29:09,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:29:09,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:29:09,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283512483] [2025-04-30 10:29:09,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:29:09,277 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:29:09,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:29:09,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:29:09,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:29:09,344 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2025-04-30 10:29:09,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 96 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2025-04-30 10:29:09,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:29:09,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2025-04-30 10:29:09,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:29:09,413 INFO L116 PetriNetUnfolderBase]: 22/184 cut-off events. [2025-04-30 10:29:09,413 INFO L117 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2025-04-30 10:29:09,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 184 events. 22/184 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 545 event pairs, 16 based on Foata normal form. 6/170 useless extension candidates. Maximal degree in co-relation 189. Up to 51 conditions per place. [2025-04-30 10:29:09,415 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 14 selfloop transitions, 2 changer transitions 0/92 dead transitions. [2025-04-30 10:29:09,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 92 transitions, 222 flow [2025-04-30 10:29:09,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:29:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:29:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2025-04-30 10:29:09,429 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8376811594202899 [2025-04-30 10:29:09,430 INFO L175 Difference]: Start difference. First operand has 96 places, 96 transitions, 198 flow. Second operand 3 states and 289 transitions. [2025-04-30 10:29:09,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 92 transitions, 222 flow [2025-04-30 10:29:09,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:29:09,438 INFO L231 Difference]: Finished difference. Result has 94 places, 92 transitions, 190 flow [2025-04-30 10:29:09,440 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2025-04-30 10:29:09,444 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2025-04-30 10:29:09,444 INFO L485 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 190 flow [2025-04-30 10:29:09,445 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2025-04-30 10:29:09,445 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:29:09,445 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:29:09,445 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-30 10:29:09,445 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:29:09,446 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:29:09,447 INFO L85 PathProgramCache]: Analyzing trace with hash 695558298, now seen corresponding path program 1 times [2025-04-30 10:29:09,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:29:09,447 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105622923] [2025-04-30 10:29:09,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:29:09,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:29:09,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-30 10:29:09,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-30 10:29:09,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:29:09,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:29:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:29:09,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:29:09,525 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105622923] [2025-04-30 10:29:09,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105622923] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:29:09,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:29:09,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:29:09,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602362128] [2025-04-30 10:29:09,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:29:09,526 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:29:09,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:29:09,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:29:09,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:29:09,556 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2025-04-30 10:29:09,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2025-04-30 10:29:09,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:29:09,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2025-04-30 10:29:09,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:29:09,624 INFO L116 PetriNetUnfolderBase]: 50/294 cut-off events. [2025-04-30 10:29:09,624 INFO L117 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2025-04-30 10:29:09,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 294 events. 50/294 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1164 event pairs, 15 based on Foata normal form. 1/263 useless extension candidates. Maximal degree in co-relation 372. Up to 61 conditions per place. [2025-04-30 10:29:09,629 INFO L140 encePairwiseOnDemand]: 105/115 looper letters, 18 selfloop transitions, 6 changer transitions 3/101 dead transitions. [2025-04-30 10:29:09,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 101 transitions, 260 flow [2025-04-30 10:29:09,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:29:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:29:09,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2025-04-30 10:29:09,631 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-04-30 10:29:09,631 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 190 flow. Second operand 3 states and 299 transitions. [2025-04-30 10:29:09,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 101 transitions, 260 flow [2025-04-30 10:29:09,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 101 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:29:09,633 INFO L231 Difference]: Finished difference. Result has 95 places, 94 transitions, 229 flow [2025-04-30 10:29:09,633 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=95, PETRI_TRANSITIONS=94} [2025-04-30 10:29:09,635 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -1 predicate places. [2025-04-30 10:29:09,636 INFO L485 AbstractCegarLoop]: Abstraction has has 95 places, 94 transitions, 229 flow [2025-04-30 10:29:09,636 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2025-04-30 10:29:09,636 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:29:09,636 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] [2025-04-30 10:29:09,636 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-30 10:29:09,636 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:29:09,637 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:29:09,637 INFO L85 PathProgramCache]: Analyzing trace with hash -841948509, now seen corresponding path program 1 times [2025-04-30 10:29:09,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:29:09,637 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324024041] [2025-04-30 10:29:09,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:29:09,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:29:09,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-30 10:29:09,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-30 10:29:09,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:29:09,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:29:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:29:09,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:29:09,697 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324024041] [2025-04-30 10:29:09,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324024041] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:29:09,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:29:09,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:29:09,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287636733] [2025-04-30 10:29:09,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:29:09,698 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:29:09,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:29:09,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:29:09,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:29:09,737 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 115 [2025-04-30 10:29:09,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 94 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2025-04-30 10:29:09,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:29:09,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 115 [2025-04-30 10:29:09,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:29:09,794 INFO L116 PetriNetUnfolderBase]: 70/361 cut-off events. [2025-04-30 10:29:09,795 INFO L117 PetriNetUnfolderBase]: For 122/130 co-relation queries the response was YES. [2025-04-30 10:29:09,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 361 events. 70/361 cut-off events. For 122/130 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1632 event pairs, 22 based on Foata normal form. 2/326 useless extension candidates. Maximal degree in co-relation 90. Up to 119 conditions per place. [2025-04-30 10:29:09,798 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 19 selfloop transitions, 7 changer transitions 0/101 dead transitions. [2025-04-30 10:29:09,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 101 transitions, 305 flow [2025-04-30 10:29:09,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:29:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:29:09,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2025-04-30 10:29:09,801 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8463768115942029 [2025-04-30 10:29:09,801 INFO L175 Difference]: Start difference. First operand has 95 places, 94 transitions, 229 flow. Second operand 3 states and 292 transitions. [2025-04-30 10:29:09,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 101 transitions, 305 flow [2025-04-30 10:29:09,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 101 transitions, 289 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:29:09,805 INFO L231 Difference]: Finished difference. Result has 94 places, 99 transitions, 273 flow [2025-04-30 10:29:09,805 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=94, PETRI_TRANSITIONS=99} [2025-04-30 10:29:09,805 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -2 predicate places. [2025-04-30 10:29:09,807 INFO L485 AbstractCegarLoop]: Abstraction has has 94 places, 99 transitions, 273 flow [2025-04-30 10:29:09,807 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2025-04-30 10:29:09,807 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:29:09,807 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:29:09,807 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-30 10:29:09,807 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:29:09,808 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:29:09,808 INFO L85 PathProgramCache]: Analyzing trace with hash 210422815, now seen corresponding path program 1 times [2025-04-30 10:29:09,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:29:09,808 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622409881] [2025-04-30 10:29:09,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:29:09,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:29:09,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-04-30 10:29:09,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-04-30 10:29:09,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:29:09,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:29:09,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:29:09,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:29:09,869 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622409881] [2025-04-30 10:29:09,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622409881] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:29:09,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:29:09,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:29:09,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252100343] [2025-04-30 10:29:09,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:29:09,870 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:29:09,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:29:09,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:29:09,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:29:09,894 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 115 [2025-04-30 10:29:09,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 99 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2025-04-30 10:29:09,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:29:09,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 115 [2025-04-30 10:29:09,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:29:09,951 INFO L116 PetriNetUnfolderBase]: 96/465 cut-off events. [2025-04-30 10:29:09,951 INFO L117 PetriNetUnfolderBase]: For 227/232 co-relation queries the response was YES. [2025-04-30 10:29:09,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 465 events. 96/465 cut-off events. For 227/232 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2350 event pairs, 25 based on Foata normal form. 2/422 useless extension candidates. Maximal degree in co-relation 303. Up to 142 conditions per place. [2025-04-30 10:29:09,953 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 19 selfloop transitions, 9 changer transitions 0/106 dead transitions. [2025-04-30 10:29:09,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 106 transitions, 357 flow [2025-04-30 10:29:09,954 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:29:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:29:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2025-04-30 10:29:09,956 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8608695652173913 [2025-04-30 10:29:09,956 INFO L175 Difference]: Start difference. First operand has 94 places, 99 transitions, 273 flow. Second operand 3 states and 297 transitions. [2025-04-30 10:29:09,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 106 transitions, 357 flow [2025-04-30 10:29:09,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 106 transitions, 339 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:29:09,961 INFO L231 Difference]: Finished difference. Result has 96 places, 104 transitions, 327 flow [2025-04-30 10:29:09,962 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=259, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=96, PETRI_TRANSITIONS=104} [2025-04-30 10:29:09,962 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, 0 predicate places. [2025-04-30 10:29:09,963 INFO L485 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 327 flow [2025-04-30 10:29:09,963 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2025-04-30 10:29:09,963 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:29:09,963 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] [2025-04-30 10:29:09,963 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-30 10:29:09,963 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-30 10:29:09,964 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:29:09,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1220920589, now seen corresponding path program 1 times [2025-04-30 10:29:09,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:29:09,965 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886771502] [2025-04-30 10:29:09,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:29:09,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:29:09,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-04-30 10:29:09,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-04-30 10:29:09,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:29:09,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:29:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:29:10,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:29:10,094 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886771502] [2025-04-30 10:29:10,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886771502] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:29:10,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:29:10,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-30 10:29:10,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077112782] [2025-04-30 10:29:10,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:29:10,095 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:29:10,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:29:10,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:29:10,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:29:10,106 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 115 [2025-04-30 10:29:10,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 104 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2025-04-30 10:29:10,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:29:10,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 115 [2025-04-30 10:29:10,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:29:10,125 INFO L116 PetriNetUnfolderBase]: 4/115 cut-off events. [2025-04-30 10:29:10,125 INFO L117 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-04-30 10:29:10,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 115 events. 4/115 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 105 event pairs, 1 based on Foata normal form. 2/113 useless extension candidates. Maximal degree in co-relation 107. Up to 8 conditions per place. [2025-04-30 10:29:10,125 INFO L140 encePairwiseOnDemand]: 111/115 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2025-04-30 10:29:10,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 84 transitions, 217 flow [2025-04-30 10:29:10,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:29:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:29:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2025-04-30 10:29:10,127 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9014492753623189 [2025-04-30 10:29:10,127 INFO L175 Difference]: Start difference. First operand has 96 places, 104 transitions, 327 flow. Second operand 3 states and 311 transitions. [2025-04-30 10:29:10,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 84 transitions, 217 flow [2025-04-30 10:29:10,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 84 transitions, 181 flow, removed 8 selfloop flow, removed 8 redundant places. [2025-04-30 10:29:10,129 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2025-04-30 10:29:10,132 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2025-04-30 10:29:10,132 INFO L279 CegarLoopForPetriNet]: 96 programPoint places, -10 predicate places. [2025-04-30 10:29:10,132 INFO L485 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2025-04-30 10:29:10,133 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2025-04-30 10:29:10,134 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-04-30 10:29:10,135 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-04-30 10:29:10,135 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-04-30 10:29:10,135 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-04-30 10:29:10,135 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-04-30 10:29:10,135 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-04-30 10:29:10,135 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-04-30 10:29:10,135 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-04-30 10:29:10,135 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-04-30 10:29:10,135 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-30 10:29:10,135 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-04-30 10:29:10,140 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-30 10:29:10,141 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:29:10,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:29:10 BasicIcfg [2025-04-30 10:29:10,146 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:29:10,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:29:10,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:29:10,148 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:29:10,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:29:08" (3/4) ... [2025-04-30 10:29:10,149 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-30 10:29:10,151 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2025-04-30 10:29:10,155 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-04-30 10:29:10,156 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-04-30 10:29:10,156 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-04-30 10:29:10,156 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-30 10:29:10,214 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-30 10:29:10,214 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-30 10:29:10,214 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:29:10,215 INFO L158 Benchmark]: Toolchain (without parser) took 2335.48ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 54.7MB in the end (delta: 55.4MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2025-04-30 10:29:10,216 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:29:10,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.32ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 69.5MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-04-30 10:29:10,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.06ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 67.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:29:10,217 INFO L158 Benchmark]: Boogie Preprocessor took 37.61ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 65.9MB in the end (delta: 905.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:29:10,217 INFO L158 Benchmark]: RCFGBuilder took 297.86ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 50.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-30 10:29:10,218 INFO L158 Benchmark]: TraceAbstraction took 1208.40ms. Allocated memory is still 142.6MB. Free memory was 49.6MB in the beginning and 60.3MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:29:10,218 INFO L158 Benchmark]: Witness Printer took 67.54ms. Allocated memory is still 142.6MB. Free memory was 60.3MB in the beginning and 54.7MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:29:10,219 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.32ms. Allocated memory is still 142.6MB. Free memory was 110.1MB in the beginning and 69.5MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.06ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 67.3MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.61ms. Allocated memory is still 142.6MB. Free memory was 66.8MB in the beginning and 65.9MB in the end (delta: 905.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.86ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 50.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1208.40ms. Allocated memory is still 142.6MB. Free memory was 49.6MB in the beginning and 60.3MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.54ms. Allocated memory is still 142.6MB. Free memory was 60.3MB in the beginning and 54.7MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: 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, 139 locations, 145 edges, 9 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: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 29 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=327occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 281 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-30 10:29:10,232 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