./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe010_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 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/safe010_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 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 10:56:02,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 10:56:02,143 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 10:56:02,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 10:56:02,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 10:56:02,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 10:56:02,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 10:56:02,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 10:56:02,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 10:56:02,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 10:56:02,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 10:56:02,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 10:56:02,170 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 10:56:02,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 10:56:02,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 10:56:02,170 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 10:56:02,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 10:56:02,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 10:56:02,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 10:56:02,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 10:56:02,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 10:56:02,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 10:56:02,172 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 10:56:02,172 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 10:56:02,172 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 10:56:02,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 10:56:02,172 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 10:56:02,172 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 10:56:02,172 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 10:56:02,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 10:56:02,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 10:56:02,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 10:56:02,173 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 -> 0cdc4de0b080284406e5a223cc9cce4b369430ad26c4d0f5d169e90b4fc0e513 [2025-03-17 10:56:02,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 10:56:02,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 10:56:02,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 10:56:02,407 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 10:56:02,407 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 10:56:02,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe010_tso.i [2025-03-17 10:56:03,507 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5844b272/9afb450c207445cda8692b8c6b6f1230/FLAG8eba7015c [2025-03-17 10:56:03,764 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 10:56:03,765 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe010_tso.i [2025-03-17 10:56:03,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5844b272/9afb450c207445cda8692b8c6b6f1230/FLAG8eba7015c [2025-03-17 10:56:04,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5844b272/9afb450c207445cda8692b8c6b6f1230 [2025-03-17 10:56:04,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 10:56:04,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 10:56:04,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 10:56:04,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 10:56:04,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 10:56:04,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f561a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04, skipping insertion in model container [2025-03-17 10:56:04,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 10:56:04,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 10:56:04,398 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 10:56:04,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 10:56:04,445 INFO L204 MainTranslator]: Completed translation [2025-03-17 10:56:04,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04 WrapperNode [2025-03-17 10:56:04,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 10:56:04,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 10:56:04,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 10:56:04,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 10:56:04,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,469 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2025-03-17 10:56:04,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 10:56:04,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 10:56:04,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 10:56:04,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 10:56:04,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 10:56:04,483 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 10:56:04,483 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 10:56:04,484 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 10:56:04,484 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (1/1) ... [2025-03-17 10:56:04,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 10:56:04,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 10:56:04,510 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) [2025-03-17 10:56:04,515 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 [2025-03-17 10:56:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-17 10:56:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 10:56:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-17 10:56:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-17 10:56:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-17 10:56:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-17 10:56:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 10:56:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-17 10:56:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 10:56:04,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 10:56:04,534 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 10:56:04,623 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 10:56:04,625 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 10:56:04,800 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 10:56:04,800 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 10:56:04,866 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 10:56:04,868 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 10:56:04,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:56:04 BoogieIcfgContainer [2025-03-17 10:56:04,869 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 10:56:04,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 10:56:04,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 10:56:04,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 10:56:04,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 10:56:04" (1/3) ... [2025-03-17 10:56:04,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3285e8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 10:56:04, skipping insertion in model container [2025-03-17 10:56:04,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 10:56:04" (2/3) ... [2025-03-17 10:56:04,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3285e8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 10:56:04, skipping insertion in model container [2025-03-17 10:56:04,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:56:04" (3/3) ... [2025-03-17 10:56:04,876 INFO L128 eAbstractionObserver]: Analyzing ICFG safe010_tso.i [2025-03-17 10:56:04,887 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 10:56:04,889 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe010_tso.i that has 3 procedures, 90 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2025-03-17 10:56:04,889 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 10:56:04,921 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-17 10:56:04,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 192 flow [2025-03-17 10:56:04,975 INFO L124 PetriNetUnfolderBase]: 3/90 cut-off events. [2025-03-17 10:56:04,978 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 10:56:04,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 90 events. 3/90 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 93 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2025-03-17 10:56:04,982 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 92 transitions, 192 flow [2025-03-17 10:56:04,984 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 90 transitions, 186 flow [2025-03-17 10:56:04,990 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 10:56:04,998 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;@719a84c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 10:56:04,998 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2025-03-17 10:56:05,004 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 10:56:05,004 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2025-03-17 10:56:05,004 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 10:56:05,004 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:56:05,008 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] [2025-03-17 10:56:05,008 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err3ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-03-17 10:56:05,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:56:05,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1715373250, now seen corresponding path program 1 times [2025-03-17 10:56:05,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:56:05,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009275245] [2025-03-17 10:56:05,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:56:05,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:56:05,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-17 10:56:05,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-17 10:56:05,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:56:05,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:56:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:56:05,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:56:05,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009275245] [2025-03-17 10:56:05,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009275245] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:56:05,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:56:05,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 10:56:05,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282983031] [2025-03-17 10:56:05,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:56:05,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 10:56:05,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:56:05,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 10:56:05,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 10:56:05,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 92 [2025-03-17 10:56:05,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 186 flow. Second operand has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 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) [2025-03-17 10:56:05,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:56:05,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 92 [2025-03-17 10:56:05,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:56:05,365 INFO L124 PetriNetUnfolderBase]: 140/723 cut-off events. [2025-03-17 10:56:05,365 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-17 10:56:05,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 984 conditions, 723 events. 140/723 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5062 event pairs, 140 based on Foata normal form. 61/705 useless extension candidates. Maximal degree in co-relation 958. Up to 246 conditions per place. [2025-03-17 10:56:05,373 INFO L140 encePairwiseOnDemand]: 75/92 looper letters, 13 selfloop transitions, 0 changer transitions 0/71 dead transitions. [2025-03-17 10:56:05,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 71 transitions, 174 flow [2025-03-17 10:56:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 10:56:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-17 10:56:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 152 transitions. [2025-03-17 10:56:05,385 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8260869565217391 [2025-03-17 10:56:05,386 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 186 flow. Second operand 2 states and 152 transitions. [2025-03-17 10:56:05,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 71 transitions, 174 flow [2025-03-17 10:56:05,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 71 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 10:56:05,395 INFO L231 Difference]: Finished difference. Result has 77 places, 71 transitions, 146 flow [2025-03-17 10:56:05,398 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=146, PETRI_PLACES=77, PETRI_TRANSITIONS=71} [2025-03-17 10:56:05,402 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, -17 predicate places. [2025-03-17 10:56:05,402 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 71 transitions, 146 flow [2025-03-17 10:56:05,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 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) [2025-03-17 10:56:05,403 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:56:05,403 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] [2025-03-17 10:56:05,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 10:56:05,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-03-17 10:56:05,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:56:05,405 INFO L85 PathProgramCache]: Analyzing trace with hash -2126422912, now seen corresponding path program 1 times [2025-03-17 10:56:05,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:56:05,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228022282] [2025-03-17 10:56:05,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:56:05,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:56:05,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 10:56:05,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 10:56:05,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:56:05,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:56:05,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:56:05,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:56:05,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228022282] [2025-03-17 10:56:05,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228022282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:56:05,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:56:05,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 10:56:05,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105921981] [2025-03-17 10:56:05,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:56:05,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 10:56:05,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:56:05,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 10:56:05,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 10:56:05,529 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 92 [2025-03-17 10:56:05,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 71 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2025-03-17 10:56:05,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:56:05,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 92 [2025-03-17 10:56:05,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:56:05,662 INFO L124 PetriNetUnfolderBase]: 220/1006 cut-off events. [2025-03-17 10:56:05,662 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 10:56:05,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1396 conditions, 1006 events. 220/1006 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7035 event pairs, 60 based on Foata normal form. 0/925 useless extension candidates. Maximal degree in co-relation 1393. Up to 260 conditions per place. [2025-03-17 10:56:05,672 INFO L140 encePairwiseOnDemand]: 90/92 looper letters, 22 selfloop transitions, 1 changer transitions 0/78 dead transitions. [2025-03-17 10:56:05,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 78 transitions, 206 flow [2025-03-17 10:56:05,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:56:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 10:56:05,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2025-03-17 10:56:05,677 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.717391304347826 [2025-03-17 10:56:05,677 INFO L175 Difference]: Start difference. First operand has 77 places, 71 transitions, 146 flow. Second operand 3 states and 198 transitions. [2025-03-17 10:56:05,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 78 transitions, 206 flow [2025-03-17 10:56:05,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 78 transitions, 206 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 10:56:05,681 INFO L231 Difference]: Finished difference. Result has 78 places, 70 transitions, 146 flow [2025-03-17 10:56:05,681 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=78, PETRI_TRANSITIONS=70} [2025-03-17 10:56:05,681 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, -16 predicate places. [2025-03-17 10:56:05,682 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 70 transitions, 146 flow [2025-03-17 10:56:05,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2025-03-17 10:56:05,682 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 10:56:05,682 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] [2025-03-17 10:56:05,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 10:56:05,682 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-03-17 10:56:05,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 10:56:05,684 INFO L85 PathProgramCache]: Analyzing trace with hash -830167904, now seen corresponding path program 1 times [2025-03-17 10:56:05,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 10:56:05,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46626341] [2025-03-17 10:56:05,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 10:56:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 10:56:05,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 10:56:05,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 10:56:05,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 10:56:05,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 10:56:05,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 10:56:05,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 10:56:05,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46626341] [2025-03-17 10:56:05,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46626341] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 10:56:05,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 10:56:05,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 10:56:05,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236615471] [2025-03-17 10:56:05,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 10:56:05,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 10:56:05,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 10:56:05,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 10:56:05,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 10:56:05,772 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 92 [2025-03-17 10:56:05,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 70 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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) [2025-03-17 10:56:05,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 10:56:05,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 92 [2025-03-17 10:56:05,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 10:56:05,886 INFO L124 PetriNetUnfolderBase]: 220/777 cut-off events. [2025-03-17 10:56:05,886 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 10:56:05,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 777 events. 220/777 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4910 event pairs, 140 based on Foata normal form. 0/724 useless extension candidates. Maximal degree in co-relation 1165. Up to 246 conditions per place. [2025-03-17 10:56:05,890 INFO L140 encePairwiseOnDemand]: 90/92 looper letters, 0 selfloop transitions, 0 changer transitions 77/77 dead transitions. [2025-03-17 10:56:05,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 77 transitions, 206 flow [2025-03-17 10:56:05,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 10:56:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 10:56:05,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 198 transitions. [2025-03-17 10:56:05,892 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.717391304347826 [2025-03-17 10:56:05,893 INFO L175 Difference]: Start difference. First operand has 78 places, 70 transitions, 146 flow. Second operand 3 states and 198 transitions. [2025-03-17 10:56:05,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 77 transitions, 206 flow [2025-03-17 10:56:05,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 77 transitions, 205 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-17 10:56:05,894 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2025-03-17 10:56:05,895 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2025-03-17 10:56:05,896 INFO L279 CegarLoopForPetriNet]: 94 programPoint places, -16 predicate places. [2025-03-17 10:56:05,896 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2025-03-17 10:56:05,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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) [2025-03-17 10:56:05,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2025-03-17 10:56:05,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2025-03-17 10:56:05,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2025-03-17 10:56:05,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2025-03-17 10:56:05,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2025-03-17 10:56:05,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2025-03-17 10:56:05,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2025-03-17 10:56:05,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2025-03-17 10:56:05,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2025-03-17 10:56:05,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2025-03-17 10:56:05,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2025-03-17 10:56:05,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2025-03-17 10:56:05,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 10:56:05,901 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-17 10:56:05,906 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-17 10:56:05,907 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 10:56:05,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 10:56:05 BasicIcfg [2025-03-17 10:56:05,915 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 10:56:05,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 10:56:05,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 10:56:05,916 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 10:56:05,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 10:56:04" (3/4) ... [2025-03-17 10:56:05,917 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 10:56:05,920 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-03-17 10:56:05,920 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-03-17 10:56:05,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-03-17 10:56:05,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-17 10:56:05,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 10:56:05,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 10:56:05,990 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 10:56:05,991 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 10:56:05,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 10:56:05,992 INFO L158 Benchmark]: Toolchain (without parser) took 1911.38ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 80.3MB in the end (delta: 24.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2025-03-17 10:56:05,992 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 10:56:05,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.84ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 85.5MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 10:56:05,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.21ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 10:56:05,993 INFO L158 Benchmark]: Boogie Preprocessor took 12.64ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 977.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 10:56:05,993 INFO L158 Benchmark]: IcfgBuilder took 385.22ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 59.4MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-17 10:56:05,993 INFO L158 Benchmark]: TraceAbstraction took 1044.26ms. Allocated memory is still 142.6MB. Free memory was 59.4MB in the beginning and 85.1MB in the end (delta: -25.7MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2025-03-17 10:56:05,993 INFO L158 Benchmark]: Witness Printer took 75.45ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 80.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 10:56:05,994 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.84ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 85.5MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.21ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 83.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.64ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 977.0kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 385.22ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 59.4MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1044.26ms. Allocated memory is still 142.6MB. Free memory was 59.4MB in the beginning and 85.1MB in the end (delta: -25.7MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 75.45ms. Allocated memory is still 142.6MB. Free memory was 85.1MB in the beginning and 80.3MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: 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: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 771]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 117 locations, 117 edges, 27 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 82 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=186occurred 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, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-17 10:56:06,012 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