./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 16:46:08,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 16:46:08,399 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 16:46:08,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 16:46:08,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 16:46:08,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 16:46:08,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 16:46:08,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 16:46:08,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 16:46:08,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 16:46:08,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 16:46:08,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 16:46:08,441 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 16:46:08,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 16:46:08,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 16:46:08,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 16:46:08,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 16:46:08,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 16:46:08,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 16:46:08,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 16:46:08,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 16:46:08,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 16:46:08,444 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 16:46:08,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 16:46:08,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 16:46:08,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 16:46:08,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 16:46:08,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 16:46:08,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 16:46:08,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 16:46:08,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 16:46:08,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:46:08,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 16:46:08,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 16:46:08,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 16:46:08,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 16:46:08,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 16:46:08,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 16:46:08,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 16:46:08,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 16:46:08,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 16:46:08,450 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f [2024-10-11 16:46:08,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 16:46:08,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 16:46:08,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 16:46:08,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 16:46:08,727 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 16:46:08,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i [2024-10-11 16:46:10,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 16:46:10,506 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 16:46:10,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/dekker.i [2024-10-11 16:46:10,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e4b0e72a2/48a6a2f0467749ecb00329e7fcdaf011/FLAG5891c6422 [2024-10-11 16:46:10,539 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e4b0e72a2/48a6a2f0467749ecb00329e7fcdaf011 [2024-10-11 16:46:10,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 16:46:10,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 16:46:10,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 16:46:10,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 16:46:10,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 16:46:10,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:46:10" (1/1) ... [2024-10-11 16:46:10,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a619587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:10, skipping insertion in model container [2024-10-11 16:46:10,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:46:10" (1/1) ... [2024-10-11 16:46:10,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 16:46:10,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:46:11,010 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 16:46:11,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:46:11,103 INFO L204 MainTranslator]: Completed translation [2024-10-11 16:46:11,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11 WrapperNode [2024-10-11 16:46:11,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 16:46:11,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 16:46:11,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 16:46:11,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 16:46:11,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,156 INFO L138 Inliner]: procedures = 170, calls = 51, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 212 [2024-10-11 16:46:11,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 16:46:11,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 16:46:11,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 16:46:11,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 16:46:11,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 16:46:11,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 16:46:11,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 16:46:11,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 16:46:11,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (1/1) ... [2024-10-11 16:46:11,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:46:11,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:46:11,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 16:46:11,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 16:46:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-10-11 16:46:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-10-11 16:46:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-11 16:46:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-11 16:46:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 16:46:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 16:46:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 16:46:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 16:46:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 16:46:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 16:46:11,287 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 16:46:11,403 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 16:46:11,404 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 16:46:11,674 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 16:46:11,674 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 16:46:11,752 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 16:46:11,752 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-11 16:46:11,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:46:11 BoogieIcfgContainer [2024-10-11 16:46:11,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 16:46:11,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 16:46:11,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 16:46:11,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 16:46:11,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:46:10" (1/3) ... [2024-10-11 16:46:11,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63417f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:46:11, skipping insertion in model container [2024-10-11 16:46:11,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:11" (2/3) ... [2024-10-11 16:46:11,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63417f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:46:11, skipping insertion in model container [2024-10-11 16:46:11,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:46:11" (3/3) ... [2024-10-11 16:46:11,765 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker.i [2024-10-11 16:46:11,780 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 16:46:11,780 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-11 16:46:11,781 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 16:46:11,849 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 16:46:11,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 149 transitions, 312 flow [2024-10-11 16:46:11,984 INFO L124 PetriNetUnfolderBase]: 16/147 cut-off events. [2024-10-11 16:46:11,986 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 16:46:11,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 147 events. 16/147 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 337 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 106. Up to 2 conditions per place. [2024-10-11 16:46:11,996 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 149 transitions, 312 flow [2024-10-11 16:46:12,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 142 transitions, 293 flow [2024-10-11 16:46:12,019 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 16:46:12,030 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;@9d959f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 16:46:12,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-10-11 16:46:12,038 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 16:46:12,039 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-11 16:46:12,040 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:46:12,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:12,041 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:12,042 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 16:46:12,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash -654012127, now seen corresponding path program 1 times [2024-10-11 16:46:12,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:12,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263656769] [2024-10-11 16:46:12,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:12,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:12,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:12,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263656769] [2024-10-11 16:46:12,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263656769] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:12,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:12,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:12,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523946222] [2024-10-11 16:46:12,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:12,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:12,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:12,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:12,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:12,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 149 [2024-10-11 16:46:12,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 142 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2024-10-11 16:46:12,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:12,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 149 [2024-10-11 16:46:12,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:12,649 INFO L124 PetriNetUnfolderBase]: 169/670 cut-off events. [2024-10-11 16:46:12,649 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-10-11 16:46:12,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1000 conditions, 670 events. 169/670 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3790 event pairs, 52 based on Foata normal form. 92/660 useless extension candidates. Maximal degree in co-relation 872. Up to 202 conditions per place. [2024-10-11 16:46:12,663 INFO L140 encePairwiseOnDemand]: 109/149 looper letters, 38 selfloop transitions, 9 changer transitions 3/131 dead transitions. [2024-10-11 16:46:12,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 131 transitions, 375 flow [2024-10-11 16:46:12,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:12,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2024-10-11 16:46:12,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8456375838926175 [2024-10-11 16:46:12,688 INFO L175 Difference]: Start difference. First operand has 133 places, 142 transitions, 293 flow. Second operand 3 states and 378 transitions. [2024-10-11 16:46:12,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 131 transitions, 375 flow [2024-10-11 16:46:12,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 131 transitions, 367 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 16:46:12,698 INFO L231 Difference]: Finished difference. Result has 109 places, 114 transitions, 271 flow [2024-10-11 16:46:12,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=109, PETRI_TRANSITIONS=114} [2024-10-11 16:46:12,707 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -24 predicate places. [2024-10-11 16:46:12,708 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 114 transitions, 271 flow [2024-10-11 16:46:12,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2024-10-11 16:46:12,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:12,708 INFO L204 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] [2024-10-11 16:46:12,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 16:46:12,709 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 16:46:12,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:12,711 INFO L85 PathProgramCache]: Analyzing trace with hash -253426526, now seen corresponding path program 1 times [2024-10-11 16:46:12,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:12,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365750903] [2024-10-11 16:46:12,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:12,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:12,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:12,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365750903] [2024-10-11 16:46:12,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365750903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:12,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:12,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:46:12,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090094566] [2024-10-11 16:46:12,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:12,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:46:12,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:12,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:46:12,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:46:12,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 149 [2024-10-11 16:46:12,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 114 transitions, 271 flow. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 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) [2024-10-11 16:46:12,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:12,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 149 [2024-10-11 16:46:12,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:13,169 INFO L124 PetriNetUnfolderBase]: 163/661 cut-off events. [2024-10-11 16:46:13,170 INFO L125 PetriNetUnfolderBase]: For 128/140 co-relation queries the response was YES. [2024-10-11 16:46:13,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 661 events. 163/661 cut-off events. For 128/140 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3652 event pairs, 63 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 956. Up to 144 conditions per place. [2024-10-11 16:46:13,176 INFO L140 encePairwiseOnDemand]: 143/149 looper letters, 47 selfloop transitions, 5 changer transitions 2/132 dead transitions. [2024-10-11 16:46:13,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 132 transitions, 435 flow [2024-10-11 16:46:13,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 16:46:13,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 16:46:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 401 transitions. [2024-10-11 16:46:13,183 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6728187919463087 [2024-10-11 16:46:13,184 INFO L175 Difference]: Start difference. First operand has 109 places, 114 transitions, 271 flow. Second operand 4 states and 401 transitions. [2024-10-11 16:46:13,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 132 transitions, 435 flow [2024-10-11 16:46:13,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 132 transitions, 424 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 16:46:13,191 INFO L231 Difference]: Finished difference. Result has 110 places, 113 transitions, 270 flow [2024-10-11 16:46:13,191 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=270, PETRI_PLACES=110, PETRI_TRANSITIONS=113} [2024-10-11 16:46:13,192 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -23 predicate places. [2024-10-11 16:46:13,192 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 113 transitions, 270 flow [2024-10-11 16:46:13,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 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) [2024-10-11 16:46:13,193 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:13,193 INFO L204 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] [2024-10-11 16:46:13,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 16:46:13,194 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 16:46:13,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:13,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1114582089, now seen corresponding path program 1 times [2024-10-11 16:46:13,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:13,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929867271] [2024-10-11 16:46:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:13,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:13,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:13,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929867271] [2024-10-11 16:46:13,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929867271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:13,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:13,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:13,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395146447] [2024-10-11 16:46:13,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:13,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:13,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:13,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:13,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:13,295 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 149 [2024-10-11 16:46:13,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 113 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2024-10-11 16:46:13,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:13,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 149 [2024-10-11 16:46:13,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:13,471 INFO L124 PetriNetUnfolderBase]: 269/930 cut-off events. [2024-10-11 16:46:13,471 INFO L125 PetriNetUnfolderBase]: For 167/169 co-relation queries the response was YES. [2024-10-11 16:46:13,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1614 conditions, 930 events. 269/930 cut-off events. For 167/169 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 6020 event pairs, 148 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1460. Up to 436 conditions per place. [2024-10-11 16:46:13,477 INFO L140 encePairwiseOnDemand]: 143/149 looper letters, 47 selfloop transitions, 5 changer transitions 0/128 dead transitions. [2024-10-11 16:46:13,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 128 transitions, 416 flow [2024-10-11 16:46:13,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:13,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2024-10-11 16:46:13,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6957494407158836 [2024-10-11 16:46:13,479 INFO L175 Difference]: Start difference. First operand has 110 places, 113 transitions, 270 flow. Second operand 3 states and 311 transitions. [2024-10-11 16:46:13,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 128 transitions, 416 flow [2024-10-11 16:46:13,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 128 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:13,483 INFO L231 Difference]: Finished difference. Result has 112 places, 117 transitions, 303 flow [2024-10-11 16:46:13,483 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=303, PETRI_PLACES=112, PETRI_TRANSITIONS=117} [2024-10-11 16:46:13,484 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -21 predicate places. [2024-10-11 16:46:13,484 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 117 transitions, 303 flow [2024-10-11 16:46:13,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2024-10-11 16:46:13,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:13,485 INFO L204 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] [2024-10-11 16:46:13,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 16:46:13,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 16:46:13,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:13,486 INFO L85 PathProgramCache]: Analyzing trace with hash -122241138, now seen corresponding path program 1 times [2024-10-11 16:46:13,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:13,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491747302] [2024-10-11 16:46:13,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:13,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:13,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:13,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491747302] [2024-10-11 16:46:13,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491747302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:13,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:13,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:13,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143265094] [2024-10-11 16:46:13,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:13,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:13,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:13,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:13,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:13,569 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 149 [2024-10-11 16:46:13,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 117 transitions, 303 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2024-10-11 16:46:13,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:13,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 149 [2024-10-11 16:46:13,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:13,728 INFO L124 PetriNetUnfolderBase]: 263/949 cut-off events. [2024-10-11 16:46:13,728 INFO L125 PetriNetUnfolderBase]: For 270/271 co-relation queries the response was YES. [2024-10-11 16:46:13,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1723 conditions, 949 events. 263/949 cut-off events. For 270/271 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6329 event pairs, 93 based on Foata normal form. 1/832 useless extension candidates. Maximal degree in co-relation 1576. Up to 291 conditions per place. [2024-10-11 16:46:13,734 INFO L140 encePairwiseOnDemand]: 141/149 looper letters, 53 selfloop transitions, 6 changer transitions 8/145 dead transitions. [2024-10-11 16:46:13,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 145 transitions, 522 flow [2024-10-11 16:46:13,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 325 transitions. [2024-10-11 16:46:13,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.727069351230425 [2024-10-11 16:46:13,737 INFO L175 Difference]: Start difference. First operand has 112 places, 117 transitions, 303 flow. Second operand 3 states and 325 transitions. [2024-10-11 16:46:13,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 145 transitions, 522 flow [2024-10-11 16:46:13,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 145 transitions, 510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:13,742 INFO L231 Difference]: Finished difference. Result has 114 places, 117 transitions, 327 flow [2024-10-11 16:46:13,742 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=327, PETRI_PLACES=114, PETRI_TRANSITIONS=117} [2024-10-11 16:46:13,743 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -19 predicate places. [2024-10-11 16:46:13,743 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 117 transitions, 327 flow [2024-10-11 16:46:13,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2024-10-11 16:46:13,744 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:13,744 INFO L204 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] [2024-10-11 16:46:13,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 16:46:13,744 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 16:46:13,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:13,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1125392033, now seen corresponding path program 1 times [2024-10-11 16:46:13,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:13,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718748095] [2024-10-11 16:46:13,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:13,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:13,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:13,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718748095] [2024-10-11 16:46:13,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718748095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:13,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:13,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:13,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898768676] [2024-10-11 16:46:13,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:13,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:13,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:13,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:13,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:13,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 149 [2024-10-11 16:46:13,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 117 transitions, 327 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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) [2024-10-11 16:46:13,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:13,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 149 [2024-10-11 16:46:13,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:13,966 INFO L124 PetriNetUnfolderBase]: 278/919 cut-off events. [2024-10-11 16:46:13,966 INFO L125 PetriNetUnfolderBase]: For 432/433 co-relation queries the response was YES. [2024-10-11 16:46:13,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1859 conditions, 919 events. 278/919 cut-off events. For 432/433 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6012 event pairs, 144 based on Foata normal form. 0/820 useless extension candidates. Maximal degree in co-relation 1714. Up to 454 conditions per place. [2024-10-11 16:46:13,972 INFO L140 encePairwiseOnDemand]: 143/149 looper letters, 40 selfloop transitions, 7 changer transitions 7/132 dead transitions. [2024-10-11 16:46:13,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 132 transitions, 481 flow [2024-10-11 16:46:13,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:13,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:13,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2024-10-11 16:46:13,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6957494407158836 [2024-10-11 16:46:13,973 INFO L175 Difference]: Start difference. First operand has 114 places, 117 transitions, 327 flow. Second operand 3 states and 311 transitions. [2024-10-11 16:46:13,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 132 transitions, 481 flow [2024-10-11 16:46:13,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 132 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:13,982 INFO L231 Difference]: Finished difference. Result has 116 places, 117 transitions, 351 flow [2024-10-11 16:46:13,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=116, PETRI_TRANSITIONS=117} [2024-10-11 16:46:13,983 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -17 predicate places. [2024-10-11 16:46:13,985 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 117 transitions, 351 flow [2024-10-11 16:46:13,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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) [2024-10-11 16:46:13,985 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:13,985 INFO L204 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, 1, 1, 1] [2024-10-11 16:46:13,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 16:46:13,986 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 16:46:13,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:13,986 INFO L85 PathProgramCache]: Analyzing trace with hash -2010123252, now seen corresponding path program 1 times [2024-10-11 16:46:13,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:13,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510161819] [2024-10-11 16:46:13,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:13,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:14,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:14,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510161819] [2024-10-11 16:46:14,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510161819] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:14,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:14,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:46:14,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874684826] [2024-10-11 16:46:14,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:14,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:46:14,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:14,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:46:14,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:46:14,096 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 149 [2024-10-11 16:46:14,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 117 transitions, 351 flow. Second operand has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 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) [2024-10-11 16:46:14,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:14,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 149 [2024-10-11 16:46:14,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:14,272 INFO L124 PetriNetUnfolderBase]: 218/861 cut-off events. [2024-10-11 16:46:14,272 INFO L125 PetriNetUnfolderBase]: For 342/375 co-relation queries the response was YES. [2024-10-11 16:46:14,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1655 conditions, 861 events. 218/861 cut-off events. For 342/375 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5865 event pairs, 44 based on Foata normal form. 9/779 useless extension candidates. Maximal degree in co-relation 1512. Up to 133 conditions per place. [2024-10-11 16:46:14,278 INFO L140 encePairwiseOnDemand]: 142/149 looper letters, 45 selfloop transitions, 10 changer transitions 3/150 dead transitions. [2024-10-11 16:46:14,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 150 transitions, 564 flow [2024-10-11 16:46:14,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:46:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 16:46:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 530 transitions. [2024-10-11 16:46:14,280 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7114093959731543 [2024-10-11 16:46:14,280 INFO L175 Difference]: Start difference. First operand has 116 places, 117 transitions, 351 flow. Second operand 5 states and 530 transitions. [2024-10-11 16:46:14,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 150 transitions, 564 flow [2024-10-11 16:46:14,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 150 transitions, 545 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 16:46:14,287 INFO L231 Difference]: Finished difference. Result has 120 places, 123 transitions, 391 flow [2024-10-11 16:46:14,287 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=391, PETRI_PLACES=120, PETRI_TRANSITIONS=123} [2024-10-11 16:46:14,288 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -13 predicate places. [2024-10-11 16:46:14,288 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 123 transitions, 391 flow [2024-10-11 16:46:14,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 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) [2024-10-11 16:46:14,290 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:14,290 INFO L204 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, 1, 1, 1] [2024-10-11 16:46:14,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 16:46:14,290 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-11 16:46:14,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:14,291 INFO L85 PathProgramCache]: Analyzing trace with hash -625550852, now seen corresponding path program 2 times [2024-10-11 16:46:14,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:14,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821535045] [2024-10-11 16:46:14,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:14,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:14,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:14,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821535045] [2024-10-11 16:46:14,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821535045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:14,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:14,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 16:46:14,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394539958] [2024-10-11 16:46:14,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:14,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 16:46:14,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:14,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 16:46:14,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 16:46:14,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 149 [2024-10-11 16:46:14,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 123 transitions, 391 flow. Second operand has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 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) [2024-10-11 16:46:14,385 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:14,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 149 [2024-10-11 16:46:14,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:14,556 INFO L124 PetriNetUnfolderBase]: 289/877 cut-off events. [2024-10-11 16:46:14,557 INFO L125 PetriNetUnfolderBase]: For 506/525 co-relation queries the response was YES. [2024-10-11 16:46:14,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1917 conditions, 877 events. 289/877 cut-off events. For 506/525 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 5378 event pairs, 39 based on Foata normal form. 16/814 useless extension candidates. Maximal degree in co-relation 1773. Up to 156 conditions per place. [2024-10-11 16:46:14,561 INFO L140 encePairwiseOnDemand]: 142/149 looper letters, 0 selfloop transitions, 0 changer transitions 155/155 dead transitions. [2024-10-11 16:46:14,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 155 transitions, 671 flow [2024-10-11 16:46:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:46:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 16:46:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 531 transitions. [2024-10-11 16:46:14,563 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7127516778523489 [2024-10-11 16:46:14,564 INFO L175 Difference]: Start difference. First operand has 120 places, 123 transitions, 391 flow. Second operand 5 states and 531 transitions. [2024-10-11 16:46:14,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 155 transitions, 671 flow [2024-10-11 16:46:14,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 155 transitions, 641 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-10-11 16:46:14,569 INFO L231 Difference]: Finished difference. Result has 116 places, 0 transitions, 0 flow [2024-10-11 16:46:14,569 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=116, PETRI_TRANSITIONS=0} [2024-10-11 16:46:14,570 INFO L277 CegarLoopForPetriNet]: 133 programPoint places, -17 predicate places. [2024-10-11 16:46:14,571 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 0 transitions, 0 flow [2024-10-11 16:46:14,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.0) internal successors, (384), 4 states have internal predecessors, (384), 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) [2024-10-11 16:46:14,575 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2024-10-11 16:46:14,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2024-10-11 16:46:14,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2024-10-11 16:46:14,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2024-10-11 16:46:14,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2024-10-11 16:46:14,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2024-10-11 16:46:14,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2024-10-11 16:46:14,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2024-10-11 16:46:14,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2024-10-11 16:46:14,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2024-10-11 16:46:14,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2024-10-11 16:46:14,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2024-10-11 16:46:14,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2024-10-11 16:46:14,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2024-10-11 16:46:14,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2024-10-11 16:46:14,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2024-10-11 16:46:14,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2024-10-11 16:46:14,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2024-10-11 16:46:14,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2024-10-11 16:46:14,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2024-10-11 16:46:14,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2024-10-11 16:46:14,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2024-10-11 16:46:14,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2024-10-11 16:46:14,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2024-10-11 16:46:14,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2024-10-11 16:46:14,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2024-10-11 16:46:14,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 52 remaining) [2024-10-11 16:46:14,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 52 remaining) [2024-10-11 16:46:14,583 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2024-10-11 16:46:14,584 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2024-10-11 16:46:14,584 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2024-10-11 16:46:14,584 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2024-10-11 16:46:14,584 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (19 of 52 remaining) [2024-10-11 16:46:14,584 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (18 of 52 remaining) [2024-10-11 16:46:14,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2024-10-11 16:46:14,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2024-10-11 16:46:14,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2024-10-11 16:46:14,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2024-10-11 16:46:14,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2024-10-11 16:46:14,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2024-10-11 16:46:14,585 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2024-10-11 16:46:14,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2024-10-11 16:46:14,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2024-10-11 16:46:14,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2024-10-11 16:46:14,586 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2024-10-11 16:46:14,589 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2024-10-11 16:46:14,589 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2024-10-11 16:46:14,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2024-10-11 16:46:14,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2024-10-11 16:46:14,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2024-10-11 16:46:14,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2024-10-11 16:46:14,590 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2024-10-11 16:46:14,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 16:46:14,591 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-10-11 16:46:14,604 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 16:46:14,604 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 16:46:14,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:46:14 BasicIcfg [2024-10-11 16:46:14,615 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 16:46:14,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 16:46:14,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 16:46:14,617 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 16:46:14,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:46:11" (3/4) ... [2024-10-11 16:46:14,623 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 16:46:14,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2024-10-11 16:46:14,629 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2024-10-11 16:46:14,634 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-11 16:46:14,634 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 16:46:14,634 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 16:46:14,635 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 16:46:14,716 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 16:46:14,716 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 16:46:14,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 16:46:14,717 INFO L158 Benchmark]: Toolchain (without parser) took 4172.36ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 114.2MB in the beginning and 110.2MB in the end (delta: 4.0MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2024-10-11 16:46:14,718 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 172.0MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:46:14,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.94ms. Allocated memory is still 172.0MB. Free memory was 113.6MB in the beginning and 90.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 16:46:14,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.68ms. Allocated memory is still 172.0MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 16:46:14,719 INFO L158 Benchmark]: Boogie Preprocessor took 32.78ms. Allocated memory is still 172.0MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 16:46:14,719 INFO L158 Benchmark]: RCFGBuilder took 562.28ms. Allocated memory is still 172.0MB. Free memory was 86.3MB in the beginning and 61.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-11 16:46:14,719 INFO L158 Benchmark]: TraceAbstraction took 2857.26ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 60.5MB in the beginning and 114.4MB in the end (delta: -53.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-10-11 16:46:14,720 INFO L158 Benchmark]: Witness Printer took 101.16ms. Allocated memory is still 241.2MB. Free memory was 114.4MB in the beginning and 110.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 16:46:14,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 172.0MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.94ms. Allocated memory is still 172.0MB. Free memory was 113.6MB in the beginning and 90.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.68ms. Allocated memory is still 172.0MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.78ms. Allocated memory is still 172.0MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.28ms. Allocated memory is still 172.0MB. Free memory was 86.3MB in the beginning and 61.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2857.26ms. Allocated memory was 172.0MB in the beginning and 241.2MB in the end (delta: 69.2MB). Free memory was 60.5MB in the beginning and 114.4MB in the end (delta: -53.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Witness Printer took 101.16ms. Allocated memory is still 241.2MB. Free memory was 114.4MB in the beginning and 110.2MB 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: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 768]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: 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: 723]: 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: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: 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: 791]: 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, 220 locations, 52 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: 2.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 260 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 604 IncrementalHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 38 mSDtfsCounter, 604 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=391occurred in iteration=6, InterpolantAutomatonStates: 26, 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, 0.5s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 16:46:14,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE