./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe026_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/safe026_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 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:50:56,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:50:56,903 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:50:56,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:50:56,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:50:56,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:50:56,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:50:56,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:50:56,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:50:56,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:50:56,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:50:56,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:50:56,934 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:50:56,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:50:56,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:50:56,934 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:50:56,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:50:56,935 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:50:56,935 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:50:56,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:50:56,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:50:56,936 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 -> 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d [2025-03-08 21:50:57,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:50:57,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:50:57,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:50:57,213 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:50:57,214 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:50:57,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe026_tso.i [2025-03-08 21:50:58,458 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc774be6/bf17440ea2594ebf88d3ee71262aa72a/FLAG91b9fb26c [2025-03-08 21:50:58,794 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:50:58,795 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_tso.i [2025-03-08 21:50:58,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc774be6/bf17440ea2594ebf88d3ee71262aa72a/FLAG91b9fb26c [2025-03-08 21:50:58,822 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc774be6/bf17440ea2594ebf88d3ee71262aa72a [2025-03-08 21:50:58,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:50:58,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:50:58,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:50:58,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:50:58,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:50:58,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:50:58" (1/1) ... [2025-03-08 21:50:58,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1995f4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:58, skipping insertion in model container [2025-03-08 21:50:58,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:50:58" (1/1) ... [2025-03-08 21:50:58,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:50:59,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:50:59,067 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:50:59,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:50:59,137 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:50:59,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59 WrapperNode [2025-03-08 21:50:59,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:50:59,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:50:59,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:50:59,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:50:59,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,168 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 87 [2025-03-08 21:50:59,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:50:59,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:50:59,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:50:59,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:50:59,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,182 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:50:59,192 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:50:59,192 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:50:59,192 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:50:59,194 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (1/1) ... [2025-03-08 21:50:59,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:50:59,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:50:59,225 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 21:50:59,230 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 21:50:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 21:50:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:50:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-08 21:50:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-08 21:50:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-08 21:50:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-08 21:50:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-08 21:50:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-08 21:50:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:50:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 21:50:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:50:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:50:59,249 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 21:50:59,333 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:50:59,335 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:50:59,556 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:50:59,556 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:50:59,665 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:50:59,666 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:50:59,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:50:59 BoogieIcfgContainer [2025-03-08 21:50:59,666 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:50:59,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:50:59,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:50:59,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:50:59,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:50:58" (1/3) ... [2025-03-08 21:50:59,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b825f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:50:59, skipping insertion in model container [2025-03-08 21:50:59,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:50:59" (2/3) ... [2025-03-08 21:50:59,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b825f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:50:59, skipping insertion in model container [2025-03-08 21:50:59,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:50:59" (3/3) ... [2025-03-08 21:50:59,675 INFO L128 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2025-03-08 21:50:59,687 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:50:59,689 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe026_tso.i that has 4 procedures, 110 locations, 1 initial locations, 0 loop locations, and 21 error locations. [2025-03-08 21:50:59,689 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:50:59,729 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:50:59,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 112 transitions, 236 flow [2025-03-08 21:50:59,812 INFO L124 PetriNetUnfolderBase]: 3/109 cut-off events. [2025-03-08 21:50:59,816 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:50:59,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 109 events. 3/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 131 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2025-03-08 21:50:59,820 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 112 transitions, 236 flow [2025-03-08 21:50:59,824 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 109 transitions, 227 flow [2025-03-08 21:50:59,831 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:50:59,845 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;@136e73b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:50:59,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2025-03-08 21:50:59,853 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:50:59,854 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-08 21:50:59,855 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:50:59,855 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:50:59,856 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] [2025-03-08 21:50:59,856 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err3ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2025-03-08 21:50:59,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:50:59,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1432158732, now seen corresponding path program 1 times [2025-03-08 21:50:59,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:50:59,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292933157] [2025-03-08 21:50:59,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:50:59,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:50:59,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-08 21:50:59,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-08 21:50:59,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:50:59,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:51:00,025 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 21:51:00,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:51:00,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292933157] [2025-03-08 21:51:00,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292933157] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:51:00,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:51:00,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-08 21:51:00,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378484966] [2025-03-08 21:51:00,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:51:00,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 21:51:00,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:51:00,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 21:51:00,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 21:51:00,056 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 112 [2025-03-08 21:51:00,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 109 transitions, 227 flow. Second operand has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 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) [2025-03-08 21:51:00,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:51:00,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 112 [2025-03-08 21:51:00,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:51:00,495 INFO L124 PetriNetUnfolderBase]: 876/3131 cut-off events. [2025-03-08 21:51:00,496 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2025-03-08 21:51:00,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4489 conditions, 3131 events. 876/3131 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 29498 event pairs, 876 based on Foata normal form. 270/3123 useless extension candidates. Maximal degree in co-relation 4461. Up to 1302 conditions per place. [2025-03-08 21:51:00,524 INFO L140 encePairwiseOnDemand]: 90/112 looper letters, 17 selfloop transitions, 0 changer transitions 0/85 dead transitions. [2025-03-08 21:51:00,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 85 transitions, 213 flow [2025-03-08 21:51:00,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 21:51:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 21:51:00,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 183 transitions. [2025-03-08 21:51:00,537 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8169642857142857 [2025-03-08 21:51:00,539 INFO L175 Difference]: Start difference. First operand has 116 places, 109 transitions, 227 flow. Second operand 2 states and 183 transitions. [2025-03-08 21:51:00,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 85 transitions, 213 flow [2025-03-08 21:51:00,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 85 transitions, 210 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-08 21:51:00,547 INFO L231 Difference]: Finished difference. Result has 93 places, 85 transitions, 176 flow [2025-03-08 21:51:00,549 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=176, PETRI_PLACES=93, PETRI_TRANSITIONS=85} [2025-03-08 21:51:00,551 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, -23 predicate places. [2025-03-08 21:51:00,553 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 85 transitions, 176 flow [2025-03-08 21:51:00,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 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) [2025-03-08 21:51:00,554 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:51:00,554 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] [2025-03-08 21:51:00,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:51:00,554 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2025-03-08 21:51:00,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:51:00,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2087500263, now seen corresponding path program 1 times [2025-03-08 21:51:00,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:51:00,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432686267] [2025-03-08 21:51:00,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:51:00,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:51:00,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-08 21:51:00,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-08 21:51:00,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:51:00,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:51:00,634 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 21:51:00,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:51:00,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432686267] [2025-03-08 21:51:00,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432686267] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:51:00,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:51:00,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:51:00,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051066609] [2025-03-08 21:51:00,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:51:00,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:51:00,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:51:00,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:51:00,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:51:00,645 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 112 [2025-03-08 21:51:00,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 85 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 21:51:00,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:51:00,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 112 [2025-03-08 21:51:00,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:51:01,097 INFO L124 PetriNetUnfolderBase]: 1346/4439 cut-off events. [2025-03-08 21:51:01,099 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:51:01,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6465 conditions, 4439 events. 1346/4439 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 41111 event pairs, 406 based on Foata normal form. 0/4119 useless extension candidates. Maximal degree in co-relation 6462. Up to 1340 conditions per place. [2025-03-08 21:51:01,131 INFO L140 encePairwiseOnDemand]: 110/112 looper letters, 29 selfloop transitions, 1 changer transitions 0/95 dead transitions. [2025-03-08 21:51:01,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 95 transitions, 256 flow [2025-03-08 21:51:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:51:01,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:51:01,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2025-03-08 21:51:01,134 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2025-03-08 21:51:01,134 INFO L175 Difference]: Start difference. First operand has 93 places, 85 transitions, 176 flow. Second operand 3 states and 238 transitions. [2025-03-08 21:51:01,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 95 transitions, 256 flow [2025-03-08 21:51:01,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 95 transitions, 256 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:51:01,136 INFO L231 Difference]: Finished difference. Result has 94 places, 84 transitions, 176 flow [2025-03-08 21:51:01,138 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=94, PETRI_TRANSITIONS=84} [2025-03-08 21:51:01,139 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, -22 predicate places. [2025-03-08 21:51:01,139 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 84 transitions, 176 flow [2025-03-08 21:51:01,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 21:51:01,140 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:51:01,140 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:51:01,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:51:01,141 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2025-03-08 21:51:01,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:51:01,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1202451630, now seen corresponding path program 1 times [2025-03-08 21:51:01,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:51:01,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436388640] [2025-03-08 21:51:01,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:51:01,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:51:01,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-08 21:51:01,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-08 21:51:01,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:51:01,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:51:01,265 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 21:51:01,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:51:01,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436388640] [2025-03-08 21:51:01,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436388640] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:51:01,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:51:01,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:51:01,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107738905] [2025-03-08 21:51:01,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:51:01,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:51:01,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:51:01,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:51:01,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:51:01,272 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 112 [2025-03-08 21:51:01,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 84 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 21:51:01,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:51:01,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 112 [2025-03-08 21:51:01,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:51:01,571 INFO L124 PetriNetUnfolderBase]: 1346/3500 cut-off events. [2025-03-08 21:51:01,571 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:51:01,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5528 conditions, 3500 events. 1346/3500 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 28803 event pairs, 876 based on Foata normal form. 0/3323 useless extension candidates. Maximal degree in co-relation 5524. Up to 1302 conditions per place. [2025-03-08 21:51:01,626 INFO L140 encePairwiseOnDemand]: 110/112 looper letters, 0 selfloop transitions, 0 changer transitions 94/94 dead transitions. [2025-03-08 21:51:01,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 94 transitions, 256 flow [2025-03-08 21:51:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:51:01,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:51:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2025-03-08 21:51:01,628 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2025-03-08 21:51:01,628 INFO L175 Difference]: Start difference. First operand has 94 places, 84 transitions, 176 flow. Second operand 3 states and 238 transitions. [2025-03-08 21:51:01,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 94 transitions, 256 flow [2025-03-08 21:51:01,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 94 transitions, 255 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:51:01,629 INFO L231 Difference]: Finished difference. Result has 94 places, 0 transitions, 0 flow [2025-03-08 21:51:01,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=94, PETRI_TRANSITIONS=0} [2025-03-08 21:51:01,630 INFO L279 CegarLoopForPetriNet]: 116 programPoint places, -22 predicate places. [2025-03-08 21:51:01,630 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 0 transitions, 0 flow [2025-03-08 21:51:01,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 21:51:01,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (36 of 37 remaining) [2025-03-08 21:51:01,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2025-03-08 21:51:01,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2025-03-08 21:51:01,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2025-03-08 21:51:01,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2025-03-08 21:51:01,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2025-03-08 21:51:01,637 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2025-03-08 21:51:01,638 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2025-03-08 21:51:01,639 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2025-03-08 21:51:01,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2025-03-08 21:51:01,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2025-03-08 21:51:01,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2025-03-08 21:51:01,640 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2025-03-08 21:51:01,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2025-03-08 21:51:01,641 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2025-03-08 21:51:01,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:51:01,641 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 21:51:01,647 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:51:01,647 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:51:01,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:51:01 BasicIcfg [2025-03-08 21:51:01,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:51:01,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:51:01,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:51:01,655 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:51:01,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:50:59" (3/4) ... [2025-03-08 21:51:01,657 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 21:51:01,659 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-03-08 21:51:01,659 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-03-08 21:51:01,660 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-03-08 21:51:01,663 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2025-03-08 21:51:01,664 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 21:51:01,664 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-08 21:51:01,664 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 21:51:01,726 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:51:01,727 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:51:01,727 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:51:01,728 INFO L158 Benchmark]: Toolchain (without parser) took 2901.20ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 105.9MB in the beginning and 242.2MB in the end (delta: -136.3MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2025-03-08 21:51:01,729 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:51:01,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.55ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 85.5MB in the end (delta: 19.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 21:51:01,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.84ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:51:01,731 INFO L158 Benchmark]: Boogie Preprocessor took 22.59ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 963.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:51:01,731 INFO L158 Benchmark]: IcfgBuilder took 474.72ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 55.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 21:51:01,731 INFO L158 Benchmark]: TraceAbstraction took 1986.65ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 54.6MB in the beginning and 248.9MB in the end (delta: -194.3MB). Peak memory consumption was 201.8MB. Max. memory is 16.1GB. [2025-03-08 21:51:01,732 INFO L158 Benchmark]: Witness Printer took 72.18ms. Allocated memory is still 343.9MB. Free memory was 248.9MB in the beginning and 242.2MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:51:01,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 130.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.55ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 85.5MB in the end (delta: 19.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.84ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.59ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 963.1kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 474.72ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 55.5MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1986.65ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 54.6MB in the beginning and 248.9MB in the end (delta: -194.3MB). Peak memory consumption was 201.8MB. Max. memory is 16.1GB. * Witness Printer took 72.18ms. Allocated memory is still 343.9MB. Free memory was 248.9MB in the beginning and 242.2MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 723]: 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: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 788]: 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 7 procedures, 149 locations, 148 edges, 37 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 108 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=227occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 21:51:01,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE