./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe017_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/safe017_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 f42e8f5213d7b87505465b65029831bd75698bf771428502e6718d43723a660f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:49:49,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:49:49,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:49:49,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:49:49,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:49:49,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:49:49,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:49:49,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:49:49,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:49:49,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:49:49,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:49:49,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:49:49,353 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:49:49,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:49:49,354 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:49:49,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:49:49,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:49:49,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:49:49,355 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:49:49,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:49:49,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:49:49,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:49:49,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:49:49,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:49:49,355 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:49:49,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:49:49,355 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 -> f42e8f5213d7b87505465b65029831bd75698bf771428502e6718d43723a660f [2025-03-08 21:49:49,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:49:49,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:49:49,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:49:49,595 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:49:49,596 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:49:49,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe017_tso.i [2025-03-08 21:49:50,793 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb47b32b/2491dad5c88448a6ba6e007e1b57b7ec/FLAGc289883d6 [2025-03-08 21:49:51,161 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:49:51,161 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe017_tso.i [2025-03-08 21:49:51,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb47b32b/2491dad5c88448a6ba6e007e1b57b7ec/FLAGc289883d6 [2025-03-08 21:49:51,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb47b32b/2491dad5c88448a6ba6e007e1b57b7ec [2025-03-08 21:49:51,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:49:51,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:49:51,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:49:51,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:49:51,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:49:51,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544aa780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51, skipping insertion in model container [2025-03-08 21:49:51,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:49:51,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:49:51,656 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:49:51,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:49:51,710 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:49:51,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51 WrapperNode [2025-03-08 21:49:51,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:49:51,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:49:51,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:49:51,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:49:51,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,748 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 86 [2025-03-08 21:49:51,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:49:51,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:49:51,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:49:51,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:49:51,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,759 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:49:51,763 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:49:51,763 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:49:51,763 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:49:51,764 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (1/1) ... [2025-03-08 21:49:51,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:49:51,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:49:51,791 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 21:49:51,796 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 21:49:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 21:49:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:49:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-08 21:49:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-08 21:49:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-08 21:49:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-08 21:49:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-08 21:49:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-08 21:49:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:49:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 21:49:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:49:51,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:49:51,811 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 21:49:51,901 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:49:51,902 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:49:52,082 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:49:52,083 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:49:52,171 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:49:52,171 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:49:52,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:49:52 BoogieIcfgContainer [2025-03-08 21:49:52,172 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:49:52,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:49:52,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:49:52,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:49:52,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:49:51" (1/3) ... [2025-03-08 21:49:52,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5602fc89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:49:52, skipping insertion in model container [2025-03-08 21:49:52,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:49:51" (2/3) ... [2025-03-08 21:49:52,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5602fc89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:49:52, skipping insertion in model container [2025-03-08 21:49:52,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:49:52" (3/3) ... [2025-03-08 21:49:52,180 INFO L128 eAbstractionObserver]: Analyzing ICFG safe017_tso.i [2025-03-08 21:49:52,191 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:49:52,192 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe017_tso.i that has 4 procedures, 108 locations, 1 initial locations, 0 loop locations, and 20 error locations. [2025-03-08 21:49:52,192 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:49:52,234 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-08 21:49:52,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 110 transitions, 232 flow [2025-03-08 21:49:52,300 INFO L124 PetriNetUnfolderBase]: 3/107 cut-off events. [2025-03-08 21:49:52,302 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:49:52,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 107 events. 3/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2025-03-08 21:49:52,306 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 110 transitions, 232 flow [2025-03-08 21:49:52,309 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 107 transitions, 223 flow [2025-03-08 21:49:52,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:49:52,323 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;@71cd4c44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:49:52,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2025-03-08 21:49:52,328 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:49:52,328 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-08 21:49:52,328 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:49:52,328 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:49:52,329 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] [2025-03-08 21:49:52,329 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err3ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2025-03-08 21:49:52,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:49:52,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1397131497, now seen corresponding path program 1 times [2025-03-08 21:49:52,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:49:52,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163580048] [2025-03-08 21:49:52,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:49:52,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:49:52,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-08 21:49:52,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-08 21:49:52,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:49:52,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:49:52,492 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 21:49:52,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:49:52,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163580048] [2025-03-08 21:49:52,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163580048] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:49:52,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:49:52,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-08 21:49:52,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873311003] [2025-03-08 21:49:52,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:49:52,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 21:49:52,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:49:52,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 21:49:52,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 21:49:52,526 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 110 [2025-03-08 21:49:52,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 107 transitions, 223 flow. Second operand has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 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 21:49:52,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:49:52,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 110 [2025-03-08 21:49:52,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:49:52,942 INFO L124 PetriNetUnfolderBase]: 876/3130 cut-off events. [2025-03-08 21:49:52,943 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2025-03-08 21:49:52,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4488 conditions, 3130 events. 876/3130 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 29467 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 21:49:52,969 INFO L140 encePairwiseOnDemand]: 89/110 looper letters, 17 selfloop transitions, 0 changer transitions 0/84 dead transitions. [2025-03-08 21:49:52,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 84 transitions, 211 flow [2025-03-08 21:49:52,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 21:49:52,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-08 21:49:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 180 transitions. [2025-03-08 21:49:52,983 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2025-03-08 21:49:52,984 INFO L175 Difference]: Start difference. First operand has 114 places, 107 transitions, 223 flow. Second operand 2 states and 180 transitions. [2025-03-08 21:49:52,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 84 transitions, 211 flow [2025-03-08 21:49:52,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 84 transitions, 208 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-08 21:49:52,991 INFO L231 Difference]: Finished difference. Result has 92 places, 84 transitions, 174 flow [2025-03-08 21:49:52,993 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=174, PETRI_PLACES=92, PETRI_TRANSITIONS=84} [2025-03-08 21:49:52,996 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, -22 predicate places. [2025-03-08 21:49:52,996 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 84 transitions, 174 flow [2025-03-08 21:49:52,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 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 21:49:52,996 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:49:52,996 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] [2025-03-08 21:49:52,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:49:52,997 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2025-03-08 21:49:52,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:49:52,997 INFO L85 PathProgramCache]: Analyzing trace with hash 837103343, now seen corresponding path program 1 times [2025-03-08 21:49:52,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:49:52,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22107409] [2025-03-08 21:49:52,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:49:53,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:49:53,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-08 21:49:53,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-08 21:49:53,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:49:53,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:49:53,079 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 21:49:53,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:49:53,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22107409] [2025-03-08 21:49:53,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22107409] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:49:53,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:49:53,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:49:53,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091540776] [2025-03-08 21:49:53,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:49:53,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:49:53,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:49:53,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:49:53,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:49:53,087 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 110 [2025-03-08 21:49:53,088 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 84 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 21:49:53,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:49:53,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 110 [2025-03-08 21:49:53,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:49:53,418 INFO L124 PetriNetUnfolderBase]: 1346/4438 cut-off events. [2025-03-08 21:49:53,418 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:49:53,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6464 conditions, 4438 events. 1346/4438 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 41228 event pairs, 406 based on Foata normal form. 0/4119 useless extension candidates. Maximal degree in co-relation 6461. Up to 1340 conditions per place. [2025-03-08 21:49:53,437 INFO L140 encePairwiseOnDemand]: 108/110 looper letters, 29 selfloop transitions, 1 changer transitions 0/94 dead transitions. [2025-03-08 21:49:53,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 94 transitions, 254 flow [2025-03-08 21:49:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:49:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:49:53,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2025-03-08 21:49:53,440 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7121212121212122 [2025-03-08 21:49:53,441 INFO L175 Difference]: Start difference. First operand has 92 places, 84 transitions, 174 flow. Second operand 3 states and 235 transitions. [2025-03-08 21:49:53,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 94 transitions, 254 flow [2025-03-08 21:49:53,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 254 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:49:53,443 INFO L231 Difference]: Finished difference. Result has 93 places, 83 transitions, 174 flow [2025-03-08 21:49:53,443 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=93, PETRI_TRANSITIONS=83} [2025-03-08 21:49:53,444 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, -21 predicate places. [2025-03-08 21:49:53,444 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 83 transitions, 174 flow [2025-03-08 21:49:53,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 21:49:53,444 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:49:53,445 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:49:53,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:49:53,445 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2025-03-08 21:49:53,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:49:53,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1166298338, now seen corresponding path program 1 times [2025-03-08 21:49:53,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:49:53,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68023660] [2025-03-08 21:49:53,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:49:53,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:49:53,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-08 21:49:53,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-08 21:49:53,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:49:53,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:49:53,507 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 21:49:53,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:49:53,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68023660] [2025-03-08 21:49:53,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68023660] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:49:53,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:49:53,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:49:53,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930795172] [2025-03-08 21:49:53,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:49:53,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:49:53,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:49:53,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:49:53,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:49:53,511 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 110 [2025-03-08 21:49:53,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 83 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 21:49:53,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:49:53,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 110 [2025-03-08 21:49:53,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:49:53,796 INFO L124 PetriNetUnfolderBase]: 1346/3499 cut-off events. [2025-03-08 21:49:53,796 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:49:53,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5527 conditions, 3499 events. 1346/3499 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 28786 event pairs, 876 based on Foata normal form. 0/3323 useless extension candidates. Maximal degree in co-relation 5523. Up to 1302 conditions per place. [2025-03-08 21:49:53,805 INFO L140 encePairwiseOnDemand]: 108/110 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2025-03-08 21:49:53,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 93 transitions, 254 flow [2025-03-08 21:49:53,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:49:53,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:49:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 235 transitions. [2025-03-08 21:49:53,808 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7121212121212122 [2025-03-08 21:49:53,808 INFO L175 Difference]: Start difference. First operand has 93 places, 83 transitions, 174 flow. Second operand 3 states and 235 transitions. [2025-03-08 21:49:53,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 93 transitions, 254 flow [2025-03-08 21:49:53,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 93 transitions, 253 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:49:53,810 INFO L231 Difference]: Finished difference. Result has 93 places, 0 transitions, 0 flow [2025-03-08 21:49:53,810 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=93, PETRI_TRANSITIONS=0} [2025-03-08 21:49:53,811 INFO L279 CegarLoopForPetriNet]: 114 programPoint places, -21 predicate places. [2025-03-08 21:49:53,811 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 0 transitions, 0 flow [2025-03-08 21:49:53,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 21:49:53,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2025-03-08 21:49:53,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining) [2025-03-08 21:49:53,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2025-03-08 21:49:53,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2025-03-08 21:49:53,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2025-03-08 21:49:53,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2025-03-08 21:49:53,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2025-03-08 21:49:53,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2025-03-08 21:49:53,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2025-03-08 21:49:53,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:49:53,820 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 21:49:53,825 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:49:53,825 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:49:53,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:49:53 BasicIcfg [2025-03-08 21:49:53,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:49:53,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:49:53,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:49:53,833 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:49:53,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:49:52" (3/4) ... [2025-03-08 21:49:53,835 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 21:49:53,836 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-03-08 21:49:53,837 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-03-08 21:49:53,837 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-03-08 21:49:53,841 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-03-08 21:49:53,841 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 21:49:53,841 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-08 21:49:53,841 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 21:49:53,899 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:49:53,899 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:49:53,899 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:49:53,900 INFO L158 Benchmark]: Toolchain (without parser) took 2513.48ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 131.2MB in the beginning and 198.7MB in the end (delta: -67.5MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2025-03-08 21:49:53,900 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:49:53,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.00ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 110.7MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 21:49:53,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.68ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 109.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:49:53,901 INFO L158 Benchmark]: Boogie Preprocessor took 13.41ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 108.2MB in the end (delta: 811.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:49:53,901 INFO L158 Benchmark]: IcfgBuilder took 409.02ms. Allocated memory is still 167.8MB. Free memory was 108.2MB in the beginning and 81.9MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 21:49:53,902 INFO L158 Benchmark]: TraceAbstraction took 1658.55ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 81.1MB in the beginning and 204.3MB in the end (delta: -123.2MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2025-03-08 21:49:53,902 INFO L158 Benchmark]: Witness Printer took 66.36ms. Allocated memory is still 335.5MB. Free memory was 204.3MB in the beginning and 198.7MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:49:53,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.00ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 110.7MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.68ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 109.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.41ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 108.2MB in the end (delta: 811.3kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 409.02ms. Allocated memory is still 167.8MB. Free memory was 108.2MB in the beginning and 81.9MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1658.55ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 81.1MB in the beginning and 204.3MB in the end (delta: -123.2MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Witness Printer took 66.36ms. Allocated memory is still 335.5MB. Free memory was 204.3MB in the beginning and 198.7MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: 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: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 778]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 778]: 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: 784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 784]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 146 locations, 145 edges, 35 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: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 107 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=223occurred 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, 0.1s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 21:49:53,919 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