./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/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.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 b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:22:43,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:22:43,115 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:22:43,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:22:43,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:22:43,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:22:43,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:22:43,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:22:43,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:22:43,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:22:43,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:22:43,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:22:43,154 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:22:43,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:22:43,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:22:43,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:22:43,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:22:43,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:22:43,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:22:43,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:22:43,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:22:43,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:22:43,161 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:22:43,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:22:43,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:22:43,162 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:22:43,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:22:43,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:22:43,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:22:43,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:22:43,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:22:43,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:22:43,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:22:43,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:22:43,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:22:43,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:22:43,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:22:43,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:22:43,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:22:43,169 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:22:43,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:22:43,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2024-10-24 15:22:43,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:22:43,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:22:43,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:22:43,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:22:43,434 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:22:43,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2024-10-24 15:22:44,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:22:45,211 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:22:45,212 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2024-10-24 15:22:45,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76f80450c/331913a9a83b4319ab6708ca50ef71e0/FLAG79b345cbf [2024-10-24 15:22:45,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76f80450c/331913a9a83b4319ab6708ca50ef71e0 [2024-10-24 15:22:45,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:22:45,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:22:45,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:22:45,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:22:45,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:22:45,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:45,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42302522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45, skipping insertion in model container [2024-10-24 15:22:45,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:45,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:22:45,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:22:45,726 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:22:45,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:22:45,914 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:22:45,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45 WrapperNode [2024-10-24 15:22:45,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:22:45,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:22:45,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:22:45,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:22:45,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:45,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,010 INFO L138 Inliner]: procedures = 264, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2024-10-24 15:22:46,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:22:46,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:22:46,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:22:46,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:22:46,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:22:46,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:22:46,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:22:46,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:22:46,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (1/1) ... [2024-10-24 15:22:46,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:22:46,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:22:46,113 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) [2024-10-24 15:22:46,116 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 [2024-10-24 15:22:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 15:22:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 15:22:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:22:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:22:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:22:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:22:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:22:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-24 15:22:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-24 15:22:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:22:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:22:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:22:46,173 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:22:46,315 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:22:46,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:22:46,546 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:22:46,546 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:22:46,580 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:22:46,580 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:22:46,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:22:46 BoogieIcfgContainer [2024-10-24 15:22:46,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:22:46,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:22:46,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:22:46,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:22:46,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:22:45" (1/3) ... [2024-10-24 15:22:46,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a03c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:22:46, skipping insertion in model container [2024-10-24 15:22:46,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:22:45" (2/3) ... [2024-10-24 15:22:46,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a03c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:22:46, skipping insertion in model container [2024-10-24 15:22:46,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:22:46" (3/3) ... [2024-10-24 15:22:46,591 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2024-10-24 15:22:46,605 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:22:46,606 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-24 15:22:46,606 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:22:46,669 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-24 15:22:46,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 105 transitions, 217 flow [2024-10-24 15:22:46,747 INFO L124 PetriNetUnfolderBase]: 1/104 cut-off events. [2024-10-24 15:22:46,747 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:22:46,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 1/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 3. Up to 2 conditions per place. [2024-10-24 15:22:46,751 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 105 transitions, 217 flow [2024-10-24 15:22:46,755 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 96 places, 92 transitions, 187 flow [2024-10-24 15:22:46,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:22:46,771 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;@272e5853, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:22:46,771 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-24 15:22:46,783 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:22:46,783 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-10-24 15:22:46,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:22:46,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:22:46,784 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] [2024-10-24 15:22:46,785 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-24 15:22:46,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:22:46,793 INFO L85 PathProgramCache]: Analyzing trace with hash -500252454, now seen corresponding path program 1 times [2024-10-24 15:22:46,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:22:46,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776673849] [2024-10-24 15:22:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:22:46,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:22:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:22:47,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:22:47,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:22:47,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776673849] [2024-10-24 15:22:47,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776673849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:22:47,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:22:47,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:22:47,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86096348] [2024-10-24 15:22:47,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:22:47,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:22:47,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:22:47,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:22:47,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:22:47,948 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 105 [2024-10-24 15:22:47,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 92 transitions, 187 flow. Second operand has 6 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 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) [2024-10-24 15:22:47,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:22:47,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 105 [2024-10-24 15:22:47,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:22:48,140 INFO L124 PetriNetUnfolderBase]: 96/386 cut-off events. [2024-10-24 15:22:48,141 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:22:48,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 386 events. 96/386 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1807 event pairs, 34 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 563. Up to 165 conditions per place. [2024-10-24 15:22:48,149 INFO L140 encePairwiseOnDemand]: 89/105 looper letters, 32 selfloop transitions, 23 changer transitions 0/119 dead transitions. [2024-10-24 15:22:48,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 119 transitions, 351 flow [2024-10-24 15:22:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:22:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:22:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 495 transitions. [2024-10-24 15:22:48,168 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7857142857142857 [2024-10-24 15:22:48,171 INFO L175 Difference]: Start difference. First operand has 96 places, 92 transitions, 187 flow. Second operand 6 states and 495 transitions. [2024-10-24 15:22:48,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 119 transitions, 351 flow [2024-10-24 15:22:48,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 119 transitions, 350 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:22:48,181 INFO L231 Difference]: Finished difference. Result has 104 places, 110 transitions, 336 flow [2024-10-24 15:22:48,183 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=336, PETRI_PLACES=104, PETRI_TRANSITIONS=110} [2024-10-24 15:22:48,190 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 8 predicate places. [2024-10-24 15:22:48,190 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 110 transitions, 336 flow [2024-10-24 15:22:48,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 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) [2024-10-24 15:22:48,191 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:22:48,191 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] [2024-10-24 15:22:48,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:22:48,192 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-24 15:22:48,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:22:48,192 INFO L85 PathProgramCache]: Analyzing trace with hash 515341388, now seen corresponding path program 1 times [2024-10-24 15:22:48,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:22:48,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673726099] [2024-10-24 15:22:48,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:22:48,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:22:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:22:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:22:48,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:22:48,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673726099] [2024-10-24 15:22:48,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673726099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:22:48,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:22:48,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:22:48,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37662107] [2024-10-24 15:22:48,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:22:48,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:22:48,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:22:48,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:22:48,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:22:48,875 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 105 [2024-10-24 15:22:48,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 110 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 84.33333333333333) internal successors, (506), 6 states have internal predecessors, (506), 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) [2024-10-24 15:22:48,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:22:48,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 105 [2024-10-24 15:22:48,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:22:49,045 INFO L124 PetriNetUnfolderBase]: 129/513 cut-off events. [2024-10-24 15:22:49,046 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-10-24 15:22:49,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 973 conditions, 513 events. 129/513 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2701 event pairs, 44 based on Foata normal form. 0/484 useless extension candidates. Maximal degree in co-relation 916. Up to 218 conditions per place. [2024-10-24 15:22:49,055 INFO L140 encePairwiseOnDemand]: 94/105 looper letters, 41 selfloop transitions, 23 changer transitions 0/139 dead transitions. [2024-10-24 15:22:49,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 139 transitions, 540 flow [2024-10-24 15:22:49,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:22:49,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:22:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 549 transitions. [2024-10-24 15:22:49,062 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8714285714285714 [2024-10-24 15:22:49,063 INFO L175 Difference]: Start difference. First operand has 104 places, 110 transitions, 336 flow. Second operand 6 states and 549 transitions. [2024-10-24 15:22:49,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 139 transitions, 540 flow [2024-10-24 15:22:49,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 139 transitions, 540 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:22:49,073 INFO L231 Difference]: Finished difference. Result has 114 places, 131 transitions, 508 flow [2024-10-24 15:22:49,073 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=508, PETRI_PLACES=114, PETRI_TRANSITIONS=131} [2024-10-24 15:22:49,074 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 18 predicate places. [2024-10-24 15:22:49,074 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 131 transitions, 508 flow [2024-10-24 15:22:49,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.33333333333333) internal successors, (506), 6 states have internal predecessors, (506), 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) [2024-10-24 15:22:49,076 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:22:49,076 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, 1, 1, 1, 1] [2024-10-24 15:22:49,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:22:49,077 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-24 15:22:49,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:22:49,078 INFO L85 PathProgramCache]: Analyzing trace with hash 279998289, now seen corresponding path program 1 times [2024-10-24 15:22:49,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:22:49,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061622645] [2024-10-24 15:22:49,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:22:49,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:22:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:22:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:22:49,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:22:49,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061622645] [2024-10-24 15:22:49,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061622645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:22:49,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:22:49,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:22:49,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13838248] [2024-10-24 15:22:49,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:22:49,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:22:49,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:22:49,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:22:49,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:22:49,508 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 105 [2024-10-24 15:22:49,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 131 transitions, 508 flow. Second operand has 6 states, 6 states have (on average 76.0) internal successors, (456), 6 states have internal predecessors, (456), 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) [2024-10-24 15:22:49,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:22:49,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 105 [2024-10-24 15:22:49,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:22:49,761 INFO L124 PetriNetUnfolderBase]: 267/883 cut-off events. [2024-10-24 15:22:49,761 INFO L125 PetriNetUnfolderBase]: For 481/498 co-relation queries the response was YES. [2024-10-24 15:22:49,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2127 conditions, 883 events. 267/883 cut-off events. For 481/498 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5221 event pairs, 87 based on Foata normal form. 2/840 useless extension candidates. Maximal degree in co-relation 2061. Up to 480 conditions per place. [2024-10-24 15:22:49,769 INFO L140 encePairwiseOnDemand]: 90/105 looper letters, 71 selfloop transitions, 50 changer transitions 4/186 dead transitions. [2024-10-24 15:22:49,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 186 transitions, 994 flow [2024-10-24 15:22:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:22:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:22:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 515 transitions. [2024-10-24 15:22:49,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8174603174603174 [2024-10-24 15:22:49,773 INFO L175 Difference]: Start difference. First operand has 114 places, 131 transitions, 508 flow. Second operand 6 states and 515 transitions. [2024-10-24 15:22:49,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 186 transitions, 994 flow [2024-10-24 15:22:49,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 186 transitions, 994 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:22:49,788 INFO L231 Difference]: Finished difference. Result has 124 places, 178 transitions, 970 flow [2024-10-24 15:22:49,788 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=970, PETRI_PLACES=124, PETRI_TRANSITIONS=178} [2024-10-24 15:22:49,789 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 28 predicate places. [2024-10-24 15:22:49,789 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 178 transitions, 970 flow [2024-10-24 15:22:49,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.0) internal successors, (456), 6 states have internal predecessors, (456), 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) [2024-10-24 15:22:49,789 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:22:49,789 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, 1, 1, 1, 1] [2024-10-24 15:22:49,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:22:49,790 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-24 15:22:49,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:22:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2028074750, now seen corresponding path program 1 times [2024-10-24 15:22:49,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:22:49,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027128453] [2024-10-24 15:22:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:22:49,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:22:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:22:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:22:50,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:22:50,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027128453] [2024-10-24 15:22:50,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027128453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:22:50,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:22:50,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:22:50,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758281290] [2024-10-24 15:22:50,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:22:50,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:22:50,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:22:50,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:22:50,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:22:50,231 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 105 [2024-10-24 15:22:50,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 178 transitions, 970 flow. Second operand has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 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) [2024-10-24 15:22:50,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:22:50,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 105 [2024-10-24 15:22:50,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:22:50,476 INFO L124 PetriNetUnfolderBase]: 355/1111 cut-off events. [2024-10-24 15:22:50,477 INFO L125 PetriNetUnfolderBase]: For 1426/1450 co-relation queries the response was YES. [2024-10-24 15:22:50,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3295 conditions, 1111 events. 355/1111 cut-off events. For 1426/1450 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 6941 event pairs, 84 based on Foata normal form. 2/1081 useless extension candidates. Maximal degree in co-relation 3221. Up to 597 conditions per place. [2024-10-24 15:22:50,485 INFO L140 encePairwiseOnDemand]: 90/105 looper letters, 106 selfloop transitions, 64 changer transitions 8/239 dead transitions. [2024-10-24 15:22:50,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 239 transitions, 1680 flow [2024-10-24 15:22:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:22:50,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:22:50,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 487 transitions. [2024-10-24 15:22:50,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.773015873015873 [2024-10-24 15:22:50,487 INFO L175 Difference]: Start difference. First operand has 124 places, 178 transitions, 970 flow. Second operand 6 states and 487 transitions. [2024-10-24 15:22:50,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 239 transitions, 1680 flow [2024-10-24 15:22:50,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 239 transitions, 1624 flow, removed 28 selfloop flow, removed 0 redundant places. [2024-10-24 15:22:50,500 INFO L231 Difference]: Finished difference. Result has 134 places, 227 transitions, 1536 flow [2024-10-24 15:22:50,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1536, PETRI_PLACES=134, PETRI_TRANSITIONS=227} [2024-10-24 15:22:50,501 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, 38 predicate places. [2024-10-24 15:22:50,502 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 227 transitions, 1536 flow [2024-10-24 15:22:50,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 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) [2024-10-24 15:22:50,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:22:50,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:22:50,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:22:50,503 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2024-10-24 15:22:50,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:22:50,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1670810004, now seen corresponding path program 1 times [2024-10-24 15:22:50,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:22:50,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798448662] [2024-10-24 15:22:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:22:50,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:22:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:22:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:22:50,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:22:50,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798448662] [2024-10-24 15:22:50,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798448662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:22:50,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:22:50,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:22:50,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018923023] [2024-10-24 15:22:50,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:22:50,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:22:50,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:22:50,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:22:50,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:22:50,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 105 [2024-10-24 15:22:50,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 227 transitions, 1536 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2024-10-24 15:22:50,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:22:50,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 105 [2024-10-24 15:22:50,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:22:50,619 INFO L124 PetriNetUnfolderBase]: 0/113 cut-off events. [2024-10-24 15:22:50,620 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-10-24 15:22:50,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 113 events. 0/113 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 2/115 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2024-10-24 15:22:50,620 INFO L140 encePairwiseOnDemand]: 101/105 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2024-10-24 15:22:50,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 88 transitions, 344 flow [2024-10-24 15:22:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:22:50,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:22:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2024-10-24 15:22:50,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9587301587301588 [2024-10-24 15:22:50,622 INFO L175 Difference]: Start difference. First operand has 134 places, 227 transitions, 1536 flow. Second operand 3 states and 302 transitions. [2024-10-24 15:22:50,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 88 transitions, 344 flow [2024-10-24 15:22:50,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 88 transitions, 203 flow, removed 29 selfloop flow, removed 37 redundant places. [2024-10-24 15:22:50,624 INFO L231 Difference]: Finished difference. Result has 95 places, 0 transitions, 0 flow [2024-10-24 15:22:50,624 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=95, PETRI_TRANSITIONS=0} [2024-10-24 15:22:50,625 INFO L277 CegarLoopForPetriNet]: 96 programPoint places, -1 predicate places. [2024-10-24 15:22:50,625 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 0 transitions, 0 flow [2024-10-24 15:22:50,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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) [2024-10-24 15:22:50,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2024-10-24 15:22:50,630 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2024-10-24 15:22:50,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2024-10-24 15:22:50,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-10-24 15:22:50,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2024-10-24 15:22:50,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2024-10-24 15:22:50,631 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2024-10-24 15:22:50,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2024-10-24 15:22:50,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:22:50,633 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-24 15:22:50,638 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:22:50,639 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:22:50,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:22:50 BasicIcfg [2024-10-24 15:22:50,647 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:22:50,648 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:22:50,649 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:22:50,649 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:22:50,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:22:46" (3/4) ... [2024-10-24 15:22:50,651 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:22:50,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-24 15:22:50,661 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-24 15:22:50,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:22:50,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:22:50,754 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:22:50,755 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:22:50,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:22:50,755 INFO L158 Benchmark]: Toolchain (without parser) took 5500.50ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 84.5MB in the beginning and 106.6MB in the end (delta: -22.1MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-10-24 15:22:50,755 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 74.5MB in the beginning and 74.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:22:50,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.06ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 115.9MB in the end (delta: -31.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-10-24 15:22:50,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.34ms. Allocated memory is still 155.2MB. Free memory was 115.9MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:22:50,759 INFO L158 Benchmark]: Boogie Preprocessor took 56.65ms. Allocated memory is still 155.2MB. Free memory was 113.7MB in the beginning and 111.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:22:50,759 INFO L158 Benchmark]: RCFGBuilder took 512.86ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 92.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-24 15:22:50,759 INFO L158 Benchmark]: TraceAbstraction took 4064.32ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 92.0MB in the beginning and 110.8MB in the end (delta: -18.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2024-10-24 15:22:50,759 INFO L158 Benchmark]: Witness Printer took 106.62ms. Allocated memory is still 218.1MB. Free memory was 110.8MB in the beginning and 106.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:22:50,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 74.5MB in the beginning and 74.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.06ms. Allocated memory is still 155.2MB. Free memory was 84.3MB in the beginning and 115.9MB in the end (delta: -31.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.34ms. Allocated memory is still 155.2MB. Free memory was 115.9MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.65ms. Allocated memory is still 155.2MB. Free memory was 113.7MB in the beginning and 111.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.86ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 92.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4064.32ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 92.0MB in the beginning and 110.8MB in the end (delta: -18.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Witness Printer took 106.62ms. Allocated memory is still 218.1MB. Free memory was 110.8MB in the beginning and 106.6MB 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: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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 3 procedures, 134 locations, 8 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: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 371 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 899 IncrementalHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 6 mSDtfsCounter, 899 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1536occurred in iteration=4, InterpolantAutomatonStates: 27, 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, 1.7s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 614 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:22:50,792 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