./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe029_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe029_tso.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 ef851e22a0a98929f1b90876fcac5ec793e10efa4691f239ca948c8dc39b94fd --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:51:19,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:51:19,669 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:51:19,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:51:19,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:51:19,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:51:19,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:51:19,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:51:19,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:51:19,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:51:19,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:51:19,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:51:19,700 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:51:19,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:51:19,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:51:19,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:51:19,701 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 -> ef851e22a0a98929f1b90876fcac5ec793e10efa4691f239ca948c8dc39b94fd [2025-03-08 21:51:19,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:51:19,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:51:19,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:51:19,983 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:51:19,983 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:51:19,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe029_tso.i [2025-03-08 21:51:21,140 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf237e1ff/b88af797f98c4cf4b4a5715894927826/FLAGf11773c26 [2025-03-08 21:51:21,422 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:51:21,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe029_tso.i [2025-03-08 21:51:21,435 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf237e1ff/b88af797f98c4cf4b4a5715894927826/FLAGf11773c26 [2025-03-08 21:51:21,449 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf237e1ff/b88af797f98c4cf4b4a5715894927826 [2025-03-08 21:51:21,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:51:21,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:51:21,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:51:21,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:51:21,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:51:21,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8fa3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21, skipping insertion in model container [2025-03-08 21:51:21,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:51:21,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:51:21,685 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:51:21,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:51:21,754 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:51:21,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21 WrapperNode [2025-03-08 21:51:21,756 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:51:21,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:51:21,757 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:51:21,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:51:21,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,785 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2025-03-08 21:51:21,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:51:21,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:51:21,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:51:21,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:51:21,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,796 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:51:21,800 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:51:21,800 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:51:21,800 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:51:21,801 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (1/1) ... [2025-03-08 21:51:21,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:51:21,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:51:21,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 21:51:21,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 21:51:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 21:51:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:51:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-08 21:51:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-08 21:51:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-08 21:51:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-08 21:51:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:51:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 21:51:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:51:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:51:21,848 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:51:21,926 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:51:21,928 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:51:22,059 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:51:22,060 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:51:22,157 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:51:22,159 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:51:22,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:51:22 BoogieIcfgContainer [2025-03-08 21:51:22,159 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:51:22,161 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:51:22,161 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:51:22,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:51:22,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:51:21" (1/3) ... [2025-03-08 21:51:22,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b58ca66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:51:22, skipping insertion in model container [2025-03-08 21:51:22,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:51:21" (2/3) ... [2025-03-08 21:51:22,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b58ca66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:51:22, skipping insertion in model container [2025-03-08 21:51:22,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:51:22" (3/3) ... [2025-03-08 21:51:22,168 INFO L128 eAbstractionObserver]: Analyzing ICFG safe029_tso.i [2025-03-08 21:51:22,183 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:51:22,185 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe029_tso.i that has 3 procedures, 88 locations, 1 initial locations, 0 loop locations, and 15 error locations. [2025-03-08 21:51:22,185 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:51:22,232 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:51:22,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 90 transitions, 188 flow [2025-03-08 21:51:22,317 INFO L124 PetriNetUnfolderBase]: 3/88 cut-off events. [2025-03-08 21:51:22,319 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:51:22,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 3/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 89 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2025-03-08 21:51:22,328 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 90 transitions, 188 flow [2025-03-08 21:51:22,331 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 88 transitions, 182 flow [2025-03-08 21:51:22,341 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:51:22,355 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@58dfe90f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:51:22,356 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2025-03-08 21:51:22,363 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:51:22,363 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-03-08 21:51:22,363 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:51:22,363 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:51:22,364 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] [2025-03-08 21:51:22,364 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err3ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2025-03-08 21:51:22,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:51:22,369 INFO L85 PathProgramCache]: Analyzing trace with hash -258539230, now seen corresponding path program 1 times [2025-03-08 21:51:22,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:51:22,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911354875] [2025-03-08 21:51:22,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:51:22,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:51:22,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-08 21:51:22,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-08 21:51:22,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:51:22,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:51:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:51:22,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:51:22,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911354875] [2025-03-08 21:51:22,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911354875] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:51:22,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:51:22,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-08 21:51:22,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898767799] [2025-03-08 21:51:22,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:51:22,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 21:51:22,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:51:22,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 21:51:22,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 21:51:22,562 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 90 [2025-03-08 21:51:22,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 88 transitions, 182 flow. Second operand has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:51:22,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:51:22,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 90 [2025-03-08 21:51:22,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:51:22,773 INFO L124 PetriNetUnfolderBase]: 140/722 cut-off events. [2025-03-08 21:51:22,773 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-08 21:51:22,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 722 events. 140/722 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5082 event pairs, 140 based on Foata normal form. 61/704 useless extension candidates. Maximal degree in co-relation 958. Up to 246 conditions per place. [2025-03-08 21:51:22,780 INFO L140 encePairwiseOnDemand]: 74/90 looper letters, 13 selfloop transitions, 0 changer transitions 0/70 dead transitions. [2025-03-08 21:51:22,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 70 transitions, 172 flow [2025-03-08 21:51:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 21:51:22,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 21:51:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 149 transitions. [2025-03-08 21:51:22,790 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8277777777777777 [2025-03-08 21:51:22,791 INFO L175 Difference]: Start difference. First operand has 92 places, 88 transitions, 182 flow. Second operand 2 states and 149 transitions. [2025-03-08 21:51:22,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 70 transitions, 172 flow [2025-03-08 21:51:22,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 70 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:51:22,795 INFO L231 Difference]: Finished difference. Result has 76 places, 70 transitions, 144 flow [2025-03-08 21:51:22,797 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=144, PETRI_PLACES=76, PETRI_TRANSITIONS=70} [2025-03-08 21:51:22,799 INFO L279 CegarLoopForPetriNet]: 92 programPoint places, -16 predicate places. [2025-03-08 21:51:22,800 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 70 transitions, 144 flow [2025-03-08 21:51:22,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:51:22,800 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:51:22,800 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] [2025-03-08 21:51:22,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:51:22,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2025-03-08 21:51:22,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:51:22,801 INFO L85 PathProgramCache]: Analyzing trace with hash 829415888, now seen corresponding path program 1 times [2025-03-08 21:51:22,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:51:22,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105930314] [2025-03-08 21:51:22,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:51:22,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:51:22,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-08 21:51:22,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-08 21:51:22,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:51:22,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:51:22,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:51:22,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:51:22,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105930314] [2025-03-08 21:51:22,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105930314] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:51:22,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:51:22,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:51:22,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306079407] [2025-03-08 21:51:22,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:51:22,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:51:22,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:51:22,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:51:22,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:51:22,871 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 90 [2025-03-08 21:51:22,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 70 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:51:22,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:51:22,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 90 [2025-03-08 21:51:22,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:51:22,976 INFO L124 PetriNetUnfolderBase]: 220/1005 cut-off events. [2025-03-08 21:51:22,976 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:51:22,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 1005 events. 220/1005 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7033 event pairs, 60 based on Foata normal form. 0/924 useless extension candidates. Maximal degree in co-relation 1392. Up to 260 conditions per place. [2025-03-08 21:51:22,983 INFO L140 encePairwiseOnDemand]: 88/90 looper letters, 22 selfloop transitions, 1 changer transitions 0/77 dead transitions. [2025-03-08 21:51:22,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 77 transitions, 204 flow [2025-03-08 21:51:22,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:51:22,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:51:22,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2025-03-08 21:51:22,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222 [2025-03-08 21:51:22,989 INFO L175 Difference]: Start difference. First operand has 76 places, 70 transitions, 144 flow. Second operand 3 states and 195 transitions. [2025-03-08 21:51:22,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 77 transitions, 204 flow [2025-03-08 21:51:22,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 77 transitions, 204 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:51:22,991 INFO L231 Difference]: Finished difference. Result has 77 places, 69 transitions, 144 flow [2025-03-08 21:51:22,991 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=77, PETRI_TRANSITIONS=69} [2025-03-08 21:51:22,992 INFO L279 CegarLoopForPetriNet]: 92 programPoint places, -15 predicate places. [2025-03-08 21:51:22,992 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 69 transitions, 144 flow [2025-03-08 21:51:22,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:51:22,992 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:51:22,992 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] [2025-03-08 21:51:22,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:51:22,993 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2025-03-08 21:51:22,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:51:22,994 INFO L85 PathProgramCache]: Analyzing trace with hash -936415187, now seen corresponding path program 1 times [2025-03-08 21:51:22,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:51:22,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883909452] [2025-03-08 21:51:22,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:51:22,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:51:23,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 21:51:23,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 21:51:23,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:51:23,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:51:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:51:23,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:51:23,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883909452] [2025-03-08 21:51:23,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883909452] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:51:23,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:51:23,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:51:23,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659276305] [2025-03-08 21:51:23,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:51:23,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:51:23,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:51:23,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:51:23,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:51:23,055 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 90 [2025-03-08 21:51:23,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 69 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:51:23,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:51:23,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 90 [2025-03-08 21:51:23,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:51:23,174 INFO L124 PetriNetUnfolderBase]: 220/776 cut-off events. [2025-03-08 21:51:23,175 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:51:23,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1168 conditions, 776 events. 220/776 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4929 event pairs, 140 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 1164. Up to 246 conditions per place. [2025-03-08 21:51:23,178 INFO L140 encePairwiseOnDemand]: 88/90 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2025-03-08 21:51:23,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 76 transitions, 204 flow [2025-03-08 21:51:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:51:23,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:51:23,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2025-03-08 21:51:23,181 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222 [2025-03-08 21:51:23,181 INFO L175 Difference]: Start difference. First operand has 77 places, 69 transitions, 144 flow. Second operand 3 states and 195 transitions. [2025-03-08 21:51:23,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 76 transitions, 204 flow [2025-03-08 21:51:23,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 76 transitions, 203 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:51:23,182 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2025-03-08 21:51:23,182 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2025-03-08 21:51:23,184 INFO L279 CegarLoopForPetriNet]: 92 programPoint places, -15 predicate places. [2025-03-08 21:51:23,184 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2025-03-08 21:51:23,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:51:23,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2025-03-08 21:51:23,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2025-03-08 21:51:23,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2025-03-08 21:51:23,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2025-03-08 21:51:23,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2025-03-08 21:51:23,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2025-03-08 21:51:23,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2025-03-08 21:51:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2025-03-08 21:51:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2025-03-08 21:51:23,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2025-03-08 21:51:23,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:51:23,191 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 21:51:23,197 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:51:23,197 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:51:23,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:51:23 BasicIcfg [2025-03-08 21:51:23,203 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:51:23,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:51:23,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:51:23,205 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:51:23,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:51:22" (3/4) ... [2025-03-08 21:51:23,206 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 21:51:23,208 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-03-08 21:51:23,209 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-03-08 21:51:23,211 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-08 21:51:23,212 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 21:51:23,212 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-08 21:51:23,213 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 21:51:23,264 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:51:23,264 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:51:23,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:51:23,264 INFO L158 Benchmark]: Toolchain (without parser) took 1811.68ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 83.4MB in the end (delta: 23.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2025-03-08 21:51:23,265 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:51:23,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.15ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 86.6MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 21:51:23,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.38ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:51:23,265 INFO L158 Benchmark]: Boogie Preprocessor took 12.75ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 83.6MB in the end (delta: 908.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:51:23,265 INFO L158 Benchmark]: IcfgBuilder took 359.29ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 61.4MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 21:51:23,266 INFO L158 Benchmark]: TraceAbstraction took 1042.80ms. Allocated memory is still 142.6MB. Free memory was 61.4MB in the beginning and 88.2MB in the end (delta: -26.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2025-03-08 21:51:23,266 INFO L158 Benchmark]: Witness Printer took 59.78ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 83.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:51:23,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 201.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.15ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 86.6MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.38ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.75ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 83.6MB in the end (delta: 908.5kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 359.29ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 61.4MB in the end (delta: 22.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1042.80ms. Allocated memory is still 142.6MB. Free memory was 61.4MB in the beginning and 88.2MB in the end (delta: -26.7MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Witness Printer took 59.78ms. Allocated memory is still 142.6MB. Free memory was 88.2MB in the beginning and 83.4MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: 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 5 procedures, 114 locations, 114 edges, 25 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 21:51:23,280 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