./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe034_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/safe034_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 f95cec1ef19619129f583fb8c66d7deea9b3c11be41d52b59a1e2cd5f199d72e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:23:12,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:23:12,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:23:12,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:23:12,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:23:12,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:23:12,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:23:12,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:23:12,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:23:12,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:23:12,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:23:12,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:23:12,987 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:23:12,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:23:12,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:23:12,988 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:23:12,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:23:12,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:23:12,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:23:12,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:23:12,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:23:12,990 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:23:12,990 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:23:12,991 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:23:12,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:23:12,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:23:12,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:23:12,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:23:12,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:23:12,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:23:12,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:23:12,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:23:12,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:23:12,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:23:12,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:23:12,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:23:12,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:23:12,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:23:12,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:23:13,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:23:13,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:23:13,001 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f95cec1ef19619129f583fb8c66d7deea9b3c11be41d52b59a1e2cd5f199d72e [2024-11-12 12:23:13,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:23:13,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:23:13,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:23:13,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:23:13,279 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:23:13,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe034_tso.i [2024-11-12 12:23:14,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:23:15,054 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:23:15,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe034_tso.i [2024-11-12 12:23:15,075 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a331533ae/7187a28739dd46ae8325d7a95664702a/FLAGead7243a2 [2024-11-12 12:23:15,093 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a331533ae/7187a28739dd46ae8325d7a95664702a [2024-11-12 12:23:15,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:23:15,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:23:15,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:23:15,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:23:15,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:23:15,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee24f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15, skipping insertion in model container [2024-11-12 12:23:15,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:23:15,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:23:15,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:23:15,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:23:15,628 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:23:15,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15 WrapperNode [2024-11-12 12:23:15,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:23:15,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:23:15,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:23:15,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:23:15,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,694 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2024-11-12 12:23:15,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:23:15,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:23:15,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:23:15,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:23:15,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:23:15,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:23:15,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:23:15,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:23:15,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (1/1) ... [2024-11-12 12:23:15,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:23:15,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:23:15,782 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) [2024-11-12 12:23:15,785 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 [2024-11-12 12:23:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:23:15,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:23:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-12 12:23:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-12 12:23:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-12 12:23:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-12 12:23:15,834 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-12 12:23:15,834 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-12 12:23:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:23:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:23:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:23:15,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:23:15,836 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:23:15,996 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:23:16,002 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:23:16,241 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:23:16,241 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:23:16,378 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:23:16,378 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 12:23:16,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:16 BoogieIcfgContainer [2024-11-12 12:23:16,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:23:16,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:23:16,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:23:16,408 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:23:16,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:23:15" (1/3) ... [2024-11-12 12:23:16,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0f1d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:23:16, skipping insertion in model container [2024-11-12 12:23:16,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:23:15" (2/3) ... [2024-11-12 12:23:16,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e0f1d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:23:16, skipping insertion in model container [2024-11-12 12:23:16,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:16" (3/3) ... [2024-11-12 12:23:16,411 INFO L112 eAbstractionObserver]: Analyzing ICFG safe034_tso.i [2024-11-12 12:23:16,448 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:23:16,448 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-12 12:23:16,448 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:23:16,539 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 12:23:16,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 117 transitions, 246 flow [2024-11-12 12:23:16,641 INFO L124 PetriNetUnfolderBase]: 3/114 cut-off events. [2024-11-12 12:23:16,641 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:23:16,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 131 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-11-12 12:23:16,650 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 117 transitions, 246 flow [2024-11-12 12:23:16,656 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 114 transitions, 237 flow [2024-11-12 12:23:16,666 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:23:16,673 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;@1082ebf7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:23:16,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2024-11-12 12:23:16,680 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:23:16,680 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-12 12:23:16,680 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:23:16,680 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:16,681 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] [2024-11-12 12:23:16,681 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:23:16,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:16,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1425062055, now seen corresponding path program 1 times [2024-11-12 12:23:16,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:16,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599472171] [2024-11-12 12:23:16,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:16,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:16,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:16,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599472171] [2024-11-12 12:23:16,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599472171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:16,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:16,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 12:23:16,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013732959] [2024-11-12 12:23:16,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:16,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 12:23:16,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:16,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 12:23:16,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 12:23:16,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 117 [2024-11-12 12:23:16,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 114 transitions, 237 flow. Second operand has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2024-11-12 12:23:16,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:16,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 117 [2024-11-12 12:23:16,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:17,205 INFO L124 PetriNetUnfolderBase]: 396/920 cut-off events. [2024-11-12 12:23:17,206 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-12 12:23:17,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1575 conditions, 920 events. 396/920 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5931 event pairs, 396 based on Foata normal form. 118/984 useless extension candidates. Maximal degree in co-relation 1546. Up to 609 conditions per place. [2024-11-12 12:23:17,216 INFO L140 encePairwiseOnDemand]: 94/117 looper letters, 14 selfloop transitions, 0 changer transitions 0/89 dead transitions. [2024-11-12 12:23:17,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 89 transitions, 215 flow [2024-11-12 12:23:17,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 12:23:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 12:23:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 195 transitions. [2024-11-12 12:23:17,229 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2024-11-12 12:23:17,231 INFO L175 Difference]: Start difference. First operand has 121 places, 114 transitions, 237 flow. Second operand 2 states and 195 transitions. [2024-11-12 12:23:17,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 89 transitions, 215 flow [2024-11-12 12:23:17,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 89 transitions, 212 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 12:23:17,238 INFO L231 Difference]: Finished difference. Result has 97 places, 89 transitions, 184 flow [2024-11-12 12:23:17,241 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=184, PETRI_PLACES=97, PETRI_TRANSITIONS=89} [2024-11-12 12:23:17,247 INFO L279 CegarLoopForPetriNet]: 121 programPoint places, -24 predicate places. [2024-11-12 12:23:17,247 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 89 transitions, 184 flow [2024-11-12 12:23:17,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2024-11-12 12:23:17,248 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:17,248 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] [2024-11-12 12:23:17,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:23:17,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:23:17,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:17,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1964043911, now seen corresponding path program 1 times [2024-11-12 12:23:17,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:17,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853600987] [2024-11-12 12:23:17,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:17,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:17,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:17,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853600987] [2024-11-12 12:23:17,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853600987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:17,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:17,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:17,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839406090] [2024-11-12 12:23:17,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:17,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:17,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:17,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:17,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:17,394 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2024-11-12 12:23:17,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 89 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2024-11-12 12:23:17,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:17,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2024-11-12 12:23:17,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:17,743 INFO L124 PetriNetUnfolderBase]: 684/2777 cut-off events. [2024-11-12 12:23:17,743 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:23:17,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3846 conditions, 2777 events. 684/2777 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 25170 event pairs, 252 based on Foata normal form. 0/2573 useless extension candidates. Maximal degree in co-relation 3843. Up to 624 conditions per place. [2024-11-12 12:23:17,762 INFO L140 encePairwiseOnDemand]: 115/117 looper letters, 24 selfloop transitions, 1 changer transitions 0/97 dead transitions. [2024-11-12 12:23:17,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 97 transitions, 250 flow [2024-11-12 12:23:17,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2024-11-12 12:23:17,767 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7236467236467237 [2024-11-12 12:23:17,768 INFO L175 Difference]: Start difference. First operand has 97 places, 89 transitions, 184 flow. Second operand 3 states and 254 transitions. [2024-11-12 12:23:17,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 97 transitions, 250 flow [2024-11-12 12:23:17,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 97 transitions, 250 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:23:17,771 INFO L231 Difference]: Finished difference. Result has 98 places, 88 transitions, 184 flow [2024-11-12 12:23:17,772 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=98, PETRI_TRANSITIONS=88} [2024-11-12 12:23:17,773 INFO L279 CegarLoopForPetriNet]: 121 programPoint places, -23 predicate places. [2024-11-12 12:23:17,773 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 88 transitions, 184 flow [2024-11-12 12:23:17,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2024-11-12 12:23:17,774 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:23:17,774 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:23:17,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:23:17,775 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-12 12:23:17,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:23:17,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1125906459, now seen corresponding path program 1 times [2024-11-12 12:23:17,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:23:17,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201960320] [2024-11-12 12:23:17,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:23:17,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:23:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:23:17,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:23:17,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:23:17,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201960320] [2024-11-12 12:23:17,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201960320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:23:17,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:23:17,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:23:17,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529209520] [2024-11-12 12:23:17,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:23:17,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:23:17,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:23:17,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:23:17,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:23:17,892 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2024-11-12 12:23:17,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 88 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2024-11-12 12:23:17,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:23:17,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2024-11-12 12:23:17,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:23:18,140 INFO L124 PetriNetUnfolderBase]: 684/2151 cut-off events. [2024-11-12 12:23:18,140 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:23:18,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3222 conditions, 2151 events. 684/2151 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 17648 event pairs, 396 based on Foata normal form. 0/2036 useless extension candidates. Maximal degree in co-relation 3218. Up to 609 conditions per place. [2024-11-12 12:23:18,147 INFO L140 encePairwiseOnDemand]: 115/117 looper letters, 0 selfloop transitions, 0 changer transitions 96/96 dead transitions. [2024-11-12 12:23:18,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 96 transitions, 250 flow [2024-11-12 12:23:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:23:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:23:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2024-11-12 12:23:18,151 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7236467236467237 [2024-11-12 12:23:18,151 INFO L175 Difference]: Start difference. First operand has 98 places, 88 transitions, 184 flow. Second operand 3 states and 254 transitions. [2024-11-12 12:23:18,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 96 transitions, 250 flow [2024-11-12 12:23:18,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 96 transitions, 249 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:23:18,153 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2024-11-12 12:23:18,153 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2024-11-12 12:23:18,154 INFO L279 CegarLoopForPetriNet]: 121 programPoint places, -23 predicate places. [2024-11-12 12:23:18,154 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2024-11-12 12:23:18,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2024-11-12 12:23:18,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2024-11-12 12:23:18,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2024-11-12 12:23:18,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2024-11-12 12:23:18,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2024-11-12 12:23:18,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2024-11-12 12:23:18,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2024-11-12 12:23:18,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2024-11-12 12:23:18,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2024-11-12 12:23:18,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2024-11-12 12:23:18,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2024-11-12 12:23:18,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2024-11-12 12:23:18,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2024-11-12 12:23:18,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2024-11-12 12:23:18,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2024-11-12 12:23:18,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2024-11-12 12:23:18,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2024-11-12 12:23:18,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2024-11-12 12:23:18,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2024-11-12 12:23:18,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2024-11-12 12:23:18,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2024-11-12 12:23:18,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2024-11-12 12:23:18,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2024-11-12 12:23:18,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 39 remaining) [2024-11-12 12:23:18,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 39 remaining) [2024-11-12 12:23:18,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 39 remaining) [2024-11-12 12:23:18,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2024-11-12 12:23:18,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2024-11-12 12:23:18,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2024-11-12 12:23:18,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2024-11-12 12:23:18,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2024-11-12 12:23:18,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2024-11-12 12:23:18,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2024-11-12 12:23:18,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2024-11-12 12:23:18,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2024-11-12 12:23:18,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2024-11-12 12:23:18,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2024-11-12 12:23:18,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2024-11-12 12:23:18,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2024-11-12 12:23:18,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2024-11-12 12:23:18,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:23:18,165 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-12 12:23:18,173 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-12 12:23:18,173 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 12:23:18,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:23:18 BasicIcfg [2024-11-12 12:23:18,179 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 12:23:18,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 12:23:18,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 12:23:18,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 12:23:18,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:23:16" (3/4) ... [2024-11-12 12:23:18,182 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-12 12:23:18,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-12 12:23:18,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-12 12:23:18,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-12 12:23:18,190 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-12 12:23:18,191 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-12 12:23:18,191 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-12 12:23:18,191 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-12 12:23:18,280 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 12:23:18,281 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-12 12:23:18,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 12:23:18,282 INFO L158 Benchmark]: Toolchain (without parser) took 3184.79ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 139.7MB in the beginning and 139.9MB in the end (delta: -265.4kB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-12 12:23:18,282 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:23:18,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.15ms. Allocated memory is still 169.9MB. Free memory was 139.0MB in the beginning and 115.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-12 12:23:18,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.40ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 12:23:18,283 INFO L158 Benchmark]: Boogie Preprocessor took 41.89ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 112.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 12:23:18,283 INFO L158 Benchmark]: RCFGBuilder took 633.15ms. Allocated memory is still 169.9MB. Free memory was 112.4MB in the beginning and 83.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-12 12:23:18,283 INFO L158 Benchmark]: TraceAbstraction took 1778.27ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 136.4MB in the beginning and 144.1MB in the end (delta: -7.8MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. [2024-11-12 12:23:18,284 INFO L158 Benchmark]: Witness Printer took 101.77ms. Allocated memory is still 218.1MB. Free memory was 144.1MB in the beginning and 139.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 12:23:18,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.15ms. Allocated memory is still 169.9MB. Free memory was 139.0MB in the beginning and 115.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.40ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 113.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.89ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 112.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 633.15ms. Allocated memory is still 169.9MB. Free memory was 112.4MB in the beginning and 83.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1778.27ms. Allocated memory was 169.9MB in the beginning and 218.1MB in the end (delta: 48.2MB). Free memory was 136.4MB in the beginning and 144.1MB in the end (delta: -7.8MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. * Witness Printer took 101.77ms. Allocated memory is still 218.1MB. Free memory was 144.1MB in the beginning and 139.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: 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: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: 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, 158 locations, 39 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: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 90 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=237occurred 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, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 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 - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-12 12:23:18,319 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