./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.c --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/goblint-regression/04-mutex_21-sound_base.c -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 68c0c5000c21f9e9ce587210ecf523aa294fc1749c89b05b6201f4ee47346a2b --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:08:00,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:08:00,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-29 11:08:00,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:08:00,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:08:00,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:08:00,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:08:00,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:08:00,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:08:00,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:08:00,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:08:00,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:08:00,594 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:08:00,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:08:00,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:08:00,595 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:08:00,596 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:08:00,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:08:00,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:08:00,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:08:00,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:08:00,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:08:00,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:08:00,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:08:00,597 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:08:00,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:08:00,597 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 11:08:00,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 11:08:00,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:08:00,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:08:00,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:08:00,597 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:08:00,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:08:00,597 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 -> 68c0c5000c21f9e9ce587210ecf523aa294fc1749c89b05b6201f4ee47346a2b [2025-04-29 11:08:00,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:08:00,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:08:00,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:08:00,811 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:08:00,812 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:08:00,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.c [2025-04-29 11:08:02,108 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b214eb02/73f98085fdf44dd19833deceed0bb4ae/FLAG91a7dc75b [2025-04-29 11:08:02,268 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:08:02,269 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_21-sound_base.c [2025-04-29 11:08:02,270 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:08:02,270 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:08:02,274 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b214eb02/73f98085fdf44dd19833deceed0bb4ae/FLAG91a7dc75b [2025-04-29 11:08:03,111 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b214eb02/73f98085fdf44dd19833deceed0bb4ae [2025-04-29 11:08:03,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:08:03,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:08:03,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:08:03,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:08:03,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:08:03,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312aeb4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03, skipping insertion in model container [2025-04-29 11:08:03,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:08:03,267 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:08:03,279 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:08:03,300 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:08:03,313 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:08:03,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03 WrapperNode [2025-04-29 11:08:03,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:08:03,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:08:03,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:08:03,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:08:03,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,346 INFO L138 Inliner]: procedures = 8, calls = 6, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2025-04-29 11:08:03,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:08:03,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:08:03,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:08:03,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:08:03,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:08:03,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:08:03,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:08:03,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:08:03,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (1/1) ... [2025-04-29 11:08:03,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:08:03,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:08:03,399 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) [2025-04-29 11:08:03,404 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 [2025-04-29 11:08:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:08:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:08:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-29 11:08:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-29 11:08:03,419 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-29 11:08:03,472 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:08:03,474 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:08:03,575 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:08:03,576 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:08:03,583 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:08:03,584 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-29 11:08:03,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:08:03 BoogieIcfgContainer [2025-04-29 11:08:03,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:08:03,587 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:08:03,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:08:03,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:08:03,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:08:03" (1/3) ... [2025-04-29 11:08:03,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23211b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:08:03, skipping insertion in model container [2025-04-29 11:08:03,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:08:03" (2/3) ... [2025-04-29 11:08:03,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23211b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:08:03, skipping insertion in model container [2025-04-29 11:08:03,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:08:03" (3/3) ... [2025-04-29 11:08:03,593 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_21-sound_base.c [2025-04-29 11:08:03,605 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:08:03,607 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_21-sound_base.c that has 2 procedures, 56 locations, 55 edges, 1 initial locations, 0 loop locations, and 5 error locations. [2025-04-29 11:08:03,608 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:08:03,667 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-29 11:08:03,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 56 transitions, 116 flow [2025-04-29 11:08:03,728 INFO L116 PetriNetUnfolderBase]: 1/55 cut-off events. [2025-04-29 11:08:03,732 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:08:03,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 55 events. 1/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2025-04-29 11:08:03,736 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 56 transitions, 116 flow [2025-04-29 11:08:03,738 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 55 transitions, 113 flow [2025-04-29 11:08:03,746 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:08:03,757 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;@19903c67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:08:03,757 INFO L341 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-04-29 11:08:03,761 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:08:03,762 INFO L116 PetriNetUnfolderBase]: 0/15 cut-off events. [2025-04-29 11:08:03,762 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:08:03,762 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:08:03,763 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:08:03,763 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-29 11:08:03,766 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:08:03,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1629565374, now seen corresponding path program 1 times [2025-04-29 11:08:03,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:08:03,773 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968632309] [2025-04-29 11:08:03,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:08:03,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:08:03,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-29 11:08:03,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-29 11:08:03,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:08:03,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:08:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:08:03,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:08:03,901 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968632309] [2025-04-29 11:08:03,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968632309] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:08:03,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:08:03,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:08:03,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389293250] [2025-04-29 11:08:03,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:08:03,908 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:08:03,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:08:03,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:08:03,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:08:03,955 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 56 [2025-04-29 11:08:03,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 55 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2025-04-29 11:08:03,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:08:03,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 56 [2025-04-29 11:08:03,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:08:03,984 INFO L116 PetriNetUnfolderBase]: 3/107 cut-off events. [2025-04-29 11:08:03,985 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-29 11:08:03,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 107 events. 3/107 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 387 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 105. Up to 6 conditions per place. [2025-04-29 11:08:03,986 INFO L140 encePairwiseOnDemand]: 52/56 looper letters, 4 selfloop transitions, 3 changer transitions 0/57 dead transitions. [2025-04-29 11:08:03,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 57 transitions, 131 flow [2025-04-29 11:08:03,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:08:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:08:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2025-04-29 11:08:03,995 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9583333333333334 [2025-04-29 11:08:03,997 INFO L175 Difference]: Start difference. First operand has 58 places, 55 transitions, 113 flow. Second operand 3 states and 161 transitions. [2025-04-29 11:08:03,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 57 transitions, 131 flow [2025-04-29 11:08:04,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 57 transitions, 130 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-29 11:08:04,005 INFO L231 Difference]: Finished difference. Result has 61 places, 57 transitions, 134 flow [2025-04-29 11:08:04,007 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=134, PETRI_PLACES=61, PETRI_TRANSITIONS=57} [2025-04-29 11:08:04,010 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, 3 predicate places. [2025-04-29 11:08:04,011 INFO L485 AbstractCegarLoop]: Abstraction has has 61 places, 57 transitions, 134 flow [2025-04-29 11:08:04,012 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2025-04-29 11:08:04,012 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:08:04,012 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:08:04,013 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:08:04,013 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-29 11:08:04,013 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:08:04,013 INFO L85 PathProgramCache]: Analyzing trace with hash 197593090, now seen corresponding path program 1 times [2025-04-29 11:08:04,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:08:04,014 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202160510] [2025-04-29 11:08:04,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:08:04,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:08:04,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-29 11:08:04,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-29 11:08:04,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:08:04,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:08:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:08:04,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:08:04,062 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202160510] [2025-04-29 11:08:04,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202160510] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:08:04,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:08:04,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:08:04,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095148458] [2025-04-29 11:08:04,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:08:04,063 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:08:04,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:08:04,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:08:04,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:08:04,086 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 56 [2025-04-29 11:08:04,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2025-04-29 11:08:04,087 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:08:04,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 56 [2025-04-29 11:08:04,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:08:04,143 INFO L116 PetriNetUnfolderBase]: 11/233 cut-off events. [2025-04-29 11:08:04,143 INFO L117 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-04-29 11:08:04,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 233 events. 11/233 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1236 event pairs, 2 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 273. Up to 21 conditions per place. [2025-04-29 11:08:04,145 INFO L140 encePairwiseOnDemand]: 51/56 looper letters, 8 selfloop transitions, 5 changer transitions 0/60 dead transitions. [2025-04-29 11:08:04,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 60 transitions, 170 flow [2025-04-29 11:08:04,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:08:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:08:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2025-04-29 11:08:04,147 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2025-04-29 11:08:04,147 INFO L175 Difference]: Start difference. First operand has 61 places, 57 transitions, 134 flow. Second operand 3 states and 154 transitions. [2025-04-29 11:08:04,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 60 transitions, 170 flow [2025-04-29 11:08:04,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 60 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:08:04,149 INFO L231 Difference]: Finished difference. Result has 63 places, 60 transitions, 164 flow [2025-04-29 11:08:04,150 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=63, PETRI_TRANSITIONS=60} [2025-04-29 11:08:04,151 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, 5 predicate places. [2025-04-29 11:08:04,151 INFO L485 AbstractCegarLoop]: Abstraction has has 63 places, 60 transitions, 164 flow [2025-04-29 11:08:04,151 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2025-04-29 11:08:04,151 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:08:04,152 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:08:04,152 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 11:08:04,152 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-29 11:08:04,153 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:08:04,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1530907892, now seen corresponding path program 1 times [2025-04-29 11:08:04,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:08:04,153 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309939226] [2025-04-29 11:08:04,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:08:04,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:08:04,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-29 11:08:04,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-29 11:08:04,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:08:04,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 11:08:04,172 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-29 11:08:04,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-29 11:08:04,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-29 11:08:04,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:08:04,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-29 11:08:04,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-29 11:08:04,192 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-04-29 11:08:04,193 INFO L790 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-04-29 11:08:04,194 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-04-29 11:08:04,194 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-04-29 11:08:04,194 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2025-04-29 11:08:04,195 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2025-04-29 11:08:04,195 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-04-29 11:08:04,195 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-04-29 11:08:04,195 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-04-29 11:08:04,195 INFO L790 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-04-29 11:08:04,195 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-29 11:08:04,195 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-29 11:08:04,230 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:08:04,230 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:08:04,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:08:04 BasicIcfg [2025-04-29 11:08:04,237 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:08:04,237 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:08:04,238 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:08:04,238 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:08:04,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:08:03" (3/4) ... [2025-04-29 11:08:04,239 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-04-29 11:08:04,274 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 1. [2025-04-29 11:08:04,303 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:08:04,304 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:08:04,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:08:04,305 INFO L158 Benchmark]: Toolchain (without parser) took 1190.59ms. Allocated memory is still 142.6MB. Free memory was 110.8MB in the beginning and 37.3MB in the end (delta: 73.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-04-29 11:08:04,305 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:08:04,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.82ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 97.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:08:04,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.54ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:08:04,307 INFO L158 Benchmark]: Boogie Preprocessor took 18.80ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.8MB in the end (delta: 808.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:08:04,308 INFO L158 Benchmark]: RCFGBuilder took 217.83ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 84.2MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 11:08:04,308 INFO L158 Benchmark]: TraceAbstraction took 650.32ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 42.6MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-04-29 11:08:04,308 INFO L158 Benchmark]: Witness Printer took 66.41ms. Allocated memory is still 142.6MB. Free memory was 42.6MB in the beginning and 37.3MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:08:04,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.82ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 97.0MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.54ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.80ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.8MB in the end (delta: 808.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 217.83ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 84.2MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 650.32ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 42.6MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 66.41ms. Allocated memory is still 142.6MB. Free memory was 42.6MB in the beginning and 37.3MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 19]: Data race detected Data race detected The following path leads to a data race: [L11] 0 int global; VAL [global=0] [L16] 0 void (*f)() = good; VAL [f={-1:0}, global=0] [L24] 0 pthread_t id; VAL [f={-1:0}, global=0] [L25] FCALL, FORK 0 pthread_create(&id, NULL, t_fun, NULL) VAL [f={-1:0}, global=0, id=-1] [L26] 0 f = bad VAL [f={-1:2}, global=0, id=-1] [L26] 0 f = bad VAL [f={-1:2}, global=0, id=-1] [L19] 1 f() VAL [\at(arg, Pre)={0:0}, arg={0:0}, f={-1:2}, global=0] Now there is a data race on ~f~0 between C: f = bad [26] and C: f() [19] - UnprovableResult [Line: 26]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 27]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 13]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 13]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 84 locations, 84 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: 0.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-04-29 11:08:04,322 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(DATA-RACE)