./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_51-mutex_ptr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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_51-mutex_ptr.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 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:04:12,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:04:12,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:04:12,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:04:12,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:04:12,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:04:12,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:04:12,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:04:12,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:04:12,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:04:12,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:04:12,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:04:12,941 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:04:12,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:04:12,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:04:12,943 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:04:12,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:04:12,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:04:12,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:04:12,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:04:12,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:04:12,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:04:12,949 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:04:12,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:04:12,949 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:04:12,950 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:04:12,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:04:12,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:04:12,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:04:12,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:04:12,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:04:12,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:04:12,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:04:12,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:04:12,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:04:12,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:04:12,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:04:12,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:04:12,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:04:12,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:04:12,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:04:12,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 [2024-10-14 17:04:13,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:04:13,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:04:13,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:04:13,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:04:13,236 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:04:13,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2024-10-14 17:04:14,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:04:14,974 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:04:14,975 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2024-10-14 17:04:14,992 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe97273b/8ac695f2e734410a837b86d9a34d1dc6/FLAGe7fd895e0 [2024-10-14 17:04:15,005 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe97273b/8ac695f2e734410a837b86d9a34d1dc6 [2024-10-14 17:04:15,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:04:15,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:04:15,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:04:15,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:04:15,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:04:15,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6198bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15, skipping insertion in model container [2024-10-14 17:04:15,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:04:15,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:04:15,591 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:04:15,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:04:15,719 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:04:15,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15 WrapperNode [2024-10-14 17:04:15,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:04:15,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:04:15,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:04:15,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:04:15,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,784 INFO L138 Inliner]: procedures = 262, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-10-14 17:04:15,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:04:15,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:04:15,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:04:15,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:04:15,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:04:15,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:04:15,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:04:15,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:04:15,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (1/1) ... [2024-10-14 17:04:15,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:04:15,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:04:15,875 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) [2024-10-14 17:04:15,878 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 [2024-10-14 17:04:15,933 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 17:04:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:04:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:04:15,934 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 17:04:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:04:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-14 17:04:15,935 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-14 17:04:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:04:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:04:15,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:04:15,937 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:04:16,060 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:04:16,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:04:16,309 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:04:16,309 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:04:16,333 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:04:16,333 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 17:04:16,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:04:16 BoogieIcfgContainer [2024-10-14 17:04:16,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:04:16,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:04:16,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:04:16,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:04:16,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:04:15" (1/3) ... [2024-10-14 17:04:16,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44dde0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:04:16, skipping insertion in model container [2024-10-14 17:04:16,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:04:15" (2/3) ... [2024-10-14 17:04:16,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44dde0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:04:16, skipping insertion in model container [2024-10-14 17:04:16,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:04:16" (3/3) ... [2024-10-14 17:04:16,341 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2024-10-14 17:04:16,357 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:04:16,358 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-10-14 17:04:16,359 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:04:16,441 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-14 17:04:16,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 112 transitions, 231 flow [2024-10-14 17:04:16,528 INFO L124 PetriNetUnfolderBase]: 0/111 cut-off events. [2024-10-14 17:04:16,528 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:04:16,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 111 events. 0/111 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-14 17:04:16,534 INFO L82 GeneralOperation]: Start removeDead. Operand has 116 places, 112 transitions, 231 flow [2024-10-14 17:04:16,539 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 106 transitions, 215 flow [2024-10-14 17:04:16,553 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:04:16,563 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;@31bff3f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:04:16,563 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-10-14 17:04:16,575 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:04:16,576 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2024-10-14 17:04:16,577 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:04:16,577 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:16,578 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] [2024-10-14 17:04:16,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:04:16,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:16,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1343851991, now seen corresponding path program 1 times [2024-10-14 17:04:16,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:16,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645728936] [2024-10-14 17:04:16,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:16,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:16,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:16,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645728936] [2024-10-14 17:04:16,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645728936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:16,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:16,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:04:16,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407162876] [2024-10-14 17:04:16,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:16,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:04:16,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:16,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:04:16,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:04:16,960 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 112 [2024-10-14 17:04:16,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 106 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2024-10-14 17:04:16,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:16,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 112 [2024-10-14 17:04:16,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:17,069 INFO L124 PetriNetUnfolderBase]: 25/285 cut-off events. [2024-10-14 17:04:17,069 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:04:17,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 285 events. 25/285 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1043 event pairs, 25 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 309. Up to 65 conditions per place. [2024-10-14 17:04:17,074 INFO L140 encePairwiseOnDemand]: 109/112 looper letters, 14 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2024-10-14 17:04:17,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 105 transitions, 245 flow [2024-10-14 17:04:17,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:04:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:04:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 296 transitions. [2024-10-14 17:04:17,089 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8809523809523809 [2024-10-14 17:04:17,091 INFO L175 Difference]: Start difference. First operand has 110 places, 106 transitions, 215 flow. Second operand 3 states and 296 transitions. [2024-10-14 17:04:17,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 105 transitions, 245 flow [2024-10-14 17:04:17,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 105 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:04:17,098 INFO L231 Difference]: Finished difference. Result has 110 places, 105 transitions, 216 flow [2024-10-14 17:04:17,100 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=110, PETRI_TRANSITIONS=105} [2024-10-14 17:04:17,105 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 0 predicate places. [2024-10-14 17:04:17,106 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 105 transitions, 216 flow [2024-10-14 17:04:17,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2024-10-14 17:04:17,106 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:17,107 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] [2024-10-14 17:04:17,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:04:17,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:04:17,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:17,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1983981771, now seen corresponding path program 1 times [2024-10-14 17:04:17,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:17,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843297959] [2024-10-14 17:04:17,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:17,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:17,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:17,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843297959] [2024-10-14 17:04:17,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843297959] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:17,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:17,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:04:17,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522791422] [2024-10-14 17:04:17,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:17,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:04:17,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:17,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:04:17,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:04:17,228 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 112 [2024-10-14 17:04:17,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 105 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 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) [2024-10-14 17:04:17,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:17,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 112 [2024-10-14 17:04:17,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:17,326 INFO L124 PetriNetUnfolderBase]: 64/441 cut-off events. [2024-10-14 17:04:17,326 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:04:17,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 441 events. 64/441 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2074 event pairs, 56 based on Foata normal form. 0/414 useless extension candidates. Maximal degree in co-relation 556. Up to 144 conditions per place. [2024-10-14 17:04:17,329 INFO L140 encePairwiseOnDemand]: 104/112 looper letters, 18 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-10-14 17:04:17,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 101 transitions, 248 flow [2024-10-14 17:04:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:04:17,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:04:17,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 287 transitions. [2024-10-14 17:04:17,336 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8541666666666666 [2024-10-14 17:04:17,338 INFO L175 Difference]: Start difference. First operand has 110 places, 105 transitions, 216 flow. Second operand 3 states and 287 transitions. [2024-10-14 17:04:17,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 101 transitions, 248 flow [2024-10-14 17:04:17,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 101 transitions, 244 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:04:17,341 INFO L231 Difference]: Finished difference. Result has 105 places, 101 transitions, 214 flow [2024-10-14 17:04:17,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=105, PETRI_TRANSITIONS=101} [2024-10-14 17:04:17,342 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, -5 predicate places. [2024-10-14 17:04:17,343 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 101 transitions, 214 flow [2024-10-14 17:04:17,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 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) [2024-10-14 17:04:17,343 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:17,343 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] [2024-10-14 17:04:17,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:04:17,344 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:04:17,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:17,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1648320989, now seen corresponding path program 1 times [2024-10-14 17:04:17,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:17,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50640575] [2024-10-14 17:04:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:17,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:17,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:17,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:17,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50640575] [2024-10-14 17:04:17,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50640575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:17,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:17,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:17,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724450877] [2024-10-14 17:04:17,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:17,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:17,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:17,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:17,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:17,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-14 17:04:17,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 101 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 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) [2024-10-14 17:04:17,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:17,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-14 17:04:17,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:18,119 INFO L124 PetriNetUnfolderBase]: 97/467 cut-off events. [2024-10-14 17:04:18,120 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:04:18,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 467 events. 97/467 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2356 event pairs, 43 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 659. Up to 175 conditions per place. [2024-10-14 17:04:18,123 INFO L140 encePairwiseOnDemand]: 101/112 looper letters, 28 selfloop transitions, 22 changer transitions 0/130 dead transitions. [2024-10-14 17:04:18,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 130 transitions, 372 flow [2024-10-14 17:04:18,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 591 transitions. [2024-10-14 17:04:18,128 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8794642857142857 [2024-10-14 17:04:18,128 INFO L175 Difference]: Start difference. First operand has 105 places, 101 transitions, 214 flow. Second operand 6 states and 591 transitions. [2024-10-14 17:04:18,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 130 transitions, 372 flow [2024-10-14 17:04:18,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 130 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:04:18,134 INFO L231 Difference]: Finished difference. Result has 115 places, 122 transitions, 364 flow [2024-10-14 17:04:18,134 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=364, PETRI_PLACES=115, PETRI_TRANSITIONS=122} [2024-10-14 17:04:18,135 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 5 predicate places. [2024-10-14 17:04:18,136 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 122 transitions, 364 flow [2024-10-14 17:04:18,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 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) [2024-10-14 17:04:18,136 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:18,136 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] [2024-10-14 17:04:18,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:04:18,138 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:04:18,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:18,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1623512826, now seen corresponding path program 1 times [2024-10-14 17:04:18,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:18,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076891453] [2024-10-14 17:04:18,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:18,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:18,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:18,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076891453] [2024-10-14 17:04:18,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076891453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:18,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:18,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:18,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871272887] [2024-10-14 17:04:18,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:18,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:18,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:18,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:18,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:18,529 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 112 [2024-10-14 17:04:18,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 122 transitions, 364 flow. Second operand has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 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) [2024-10-14 17:04:18,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:18,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 112 [2024-10-14 17:04:18,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:18,659 INFO L124 PetriNetUnfolderBase]: 140/620 cut-off events. [2024-10-14 17:04:18,660 INFO L125 PetriNetUnfolderBase]: For 140/159 co-relation queries the response was YES. [2024-10-14 17:04:18,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1126 conditions, 620 events. 140/620 cut-off events. For 140/159 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3356 event pairs, 49 based on Foata normal form. 5/596 useless extension candidates. Maximal degree in co-relation 1079. Up to 239 conditions per place. [2024-10-14 17:04:18,667 INFO L140 encePairwiseOnDemand]: 101/112 looper letters, 41 selfloop transitions, 26 changer transitions 0/151 dead transitions. [2024-10-14 17:04:18,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 151 transitions, 574 flow [2024-10-14 17:04:18,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:18,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:18,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 591 transitions. [2024-10-14 17:04:18,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8794642857142857 [2024-10-14 17:04:18,671 INFO L175 Difference]: Start difference. First operand has 115 places, 122 transitions, 364 flow. Second operand 6 states and 591 transitions. [2024-10-14 17:04:18,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 151 transitions, 574 flow [2024-10-14 17:04:18,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 151 transitions, 574 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:04:18,676 INFO L231 Difference]: Finished difference. Result has 125 places, 143 transitions, 548 flow [2024-10-14 17:04:18,676 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=548, PETRI_PLACES=125, PETRI_TRANSITIONS=143} [2024-10-14 17:04:18,677 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 15 predicate places. [2024-10-14 17:04:18,678 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 143 transitions, 548 flow [2024-10-14 17:04:18,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 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) [2024-10-14 17:04:18,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:18,679 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] [2024-10-14 17:04:18,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:04:18,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:04:18,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:18,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1518041264, now seen corresponding path program 1 times [2024-10-14 17:04:18,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:18,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914124180] [2024-10-14 17:04:18,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:18,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:18,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:18,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914124180] [2024-10-14 17:04:18,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914124180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:18,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:18,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:18,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208972736] [2024-10-14 17:04:18,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:18,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:18,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:18,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:18,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:19,083 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 112 [2024-10-14 17:04:19,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 143 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 84.5) internal successors, (507), 6 states have internal predecessors, (507), 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) [2024-10-14 17:04:19,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:19,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 112 [2024-10-14 17:04:19,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:19,321 INFO L124 PetriNetUnfolderBase]: 258/886 cut-off events. [2024-10-14 17:04:19,322 INFO L125 PetriNetUnfolderBase]: For 516/532 co-relation queries the response was YES. [2024-10-14 17:04:19,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2156 conditions, 886 events. 258/886 cut-off events. For 516/532 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5253 event pairs, 71 based on Foata normal form. 2/845 useless extension candidates. Maximal degree in co-relation 2102. Up to 467 conditions per place. [2024-10-14 17:04:19,329 INFO L140 encePairwiseOnDemand]: 97/112 looper letters, 67 selfloop transitions, 53 changer transitions 4/198 dead transitions. [2024-10-14 17:04:19,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 198 transitions, 1040 flow [2024-10-14 17:04:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:19,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:19,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 566 transitions. [2024-10-14 17:04:19,331 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8422619047619048 [2024-10-14 17:04:19,331 INFO L175 Difference]: Start difference. First operand has 125 places, 143 transitions, 548 flow. Second operand 6 states and 566 transitions. [2024-10-14 17:04:19,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 198 transitions, 1040 flow [2024-10-14 17:04:19,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 198 transitions, 1040 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:04:19,340 INFO L231 Difference]: Finished difference. Result has 135 places, 190 transitions, 1030 flow [2024-10-14 17:04:19,340 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1030, PETRI_PLACES=135, PETRI_TRANSITIONS=190} [2024-10-14 17:04:19,341 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 25 predicate places. [2024-10-14 17:04:19,341 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 190 transitions, 1030 flow [2024-10-14 17:04:19,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.5) internal successors, (507), 6 states have internal predecessors, (507), 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) [2024-10-14 17:04:19,342 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:19,342 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] [2024-10-14 17:04:19,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:04:19,342 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:04:19,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:19,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1601726699, now seen corresponding path program 1 times [2024-10-14 17:04:19,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:19,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590087427] [2024-10-14 17:04:19,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:19,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:19,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:19,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590087427] [2024-10-14 17:04:19,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590087427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:19,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:19,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:04:19,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391816926] [2024-10-14 17:04:19,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:19,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:04:19,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:19,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:04:19,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:04:19,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 112 [2024-10-14 17:04:19,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 190 transitions, 1030 flow. Second operand has 6 states, 6 states have (on average 86.33333333333333) internal successors, (518), 6 states have internal predecessors, (518), 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) [2024-10-14 17:04:19,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:19,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 112 [2024-10-14 17:04:19,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:19,947 INFO L124 PetriNetUnfolderBase]: 370/1158 cut-off events. [2024-10-14 17:04:19,947 INFO L125 PetriNetUnfolderBase]: For 1456/1486 co-relation queries the response was YES. [2024-10-14 17:04:19,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3455 conditions, 1158 events. 370/1158 cut-off events. For 1456/1486 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 7124 event pairs, 88 based on Foata normal form. 3/1129 useless extension candidates. Maximal degree in co-relation 3398. Up to 621 conditions per place. [2024-10-14 17:04:19,956 INFO L140 encePairwiseOnDemand]: 97/112 looper letters, 103 selfloop transitions, 61 changer transitions 10/251 dead transitions. [2024-10-14 17:04:19,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 251 transitions, 1724 flow [2024-10-14 17:04:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:04:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:04:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 577 transitions. [2024-10-14 17:04:19,960 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8586309523809523 [2024-10-14 17:04:19,960 INFO L175 Difference]: Start difference. First operand has 135 places, 190 transitions, 1030 flow. Second operand 6 states and 577 transitions. [2024-10-14 17:04:19,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 251 transitions, 1724 flow [2024-10-14 17:04:19,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 251 transitions, 1660 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-10-14 17:04:19,976 INFO L231 Difference]: Finished difference. Result has 145 places, 237 transitions, 1552 flow [2024-10-14 17:04:19,976 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=972, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1552, PETRI_PLACES=145, PETRI_TRANSITIONS=237} [2024-10-14 17:04:19,977 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, 35 predicate places. [2024-10-14 17:04:19,977 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 237 transitions, 1552 flow [2024-10-14 17:04:19,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.33333333333333) internal successors, (518), 6 states have internal predecessors, (518), 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) [2024-10-14 17:04:19,978 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:04:19,978 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, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:04:19,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:04:19,979 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2024-10-14 17:04:19,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:04:19,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2044788351, now seen corresponding path program 1 times [2024-10-14 17:04:19,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:04:19,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817251091] [2024-10-14 17:04:19,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:04:19,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:04:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:04:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:04:20,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:04:20,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817251091] [2024-10-14 17:04:20,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817251091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:04:20,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:04:20,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:04:20,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102359438] [2024-10-14 17:04:20,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:04:20,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:04:20,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:04:20,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:04:20,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:04:20,091 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 112 [2024-10-14 17:04:20,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 237 transitions, 1552 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2024-10-14 17:04:20,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:04:20,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 112 [2024-10-14 17:04:20,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:04:20,121 INFO L124 PetriNetUnfolderBase]: 2/165 cut-off events. [2024-10-14 17:04:20,122 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2024-10-14 17:04:20,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 165 events. 2/165 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 212 event pairs, 1 based on Foata normal form. 2/167 useless extension candidates. Maximal degree in co-relation 315. Up to 18 conditions per place. [2024-10-14 17:04:20,123 INFO L140 encePairwiseOnDemand]: 108/112 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2024-10-14 17:04:20,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 97 transitions, 356 flow [2024-10-14 17:04:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:04:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:04:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2024-10-14 17:04:20,125 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9553571428571429 [2024-10-14 17:04:20,125 INFO L175 Difference]: Start difference. First operand has 145 places, 237 transitions, 1552 flow. Second operand 3 states and 321 transitions. [2024-10-14 17:04:20,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 97 transitions, 356 flow [2024-10-14 17:04:20,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 97 transitions, 220 flow, removed 28 selfloop flow, removed 40 redundant places. [2024-10-14 17:04:20,127 INFO L231 Difference]: Finished difference. Result has 103 places, 0 transitions, 0 flow [2024-10-14 17:04:20,128 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=103, PETRI_TRANSITIONS=0} [2024-10-14 17:04:20,129 INFO L277 CegarLoopForPetriNet]: 110 programPoint places, -7 predicate places. [2024-10-14 17:04:20,129 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 0 transitions, 0 flow [2024-10-14 17:04:20,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2024-10-14 17:04:20,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2024-10-14 17:04:20,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-10-14 17:04:20,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-10-14 17:04:20,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-10-14 17:04:20,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2024-10-14 17:04:20,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-10-14 17:04:20,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 17 remaining) [2024-10-14 17:04:20,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2024-10-14 17:04:20,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2024-10-14 17:04:20,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2024-10-14 17:04:20,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2024-10-14 17:04:20,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-10-14 17:04:20,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-10-14 17:04:20,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-10-14 17:04:20,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-10-14 17:04:20,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-10-14 17:04:20,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-10-14 17:04:20,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:04:20,138 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:04:20,148 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:04:20,148 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:04:20,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:04:20 BasicIcfg [2024-10-14 17:04:20,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:04:20,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:04:20,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:04:20,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:04:20,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:04:16" (3/4) ... [2024-10-14 17:04:20,159 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:04:20,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-14 17:04:20,167 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-14 17:04:20,167 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 17:04:20,168 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 17:04:20,257 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:04:20,258 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:04:20,258 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:04:20,259 INFO L158 Benchmark]: Toolchain (without parser) took 5249.07ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 58.1MB in the beginning and 74.2MB in the end (delta: -16.1MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-10-14 17:04:20,259 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:04:20,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 708.22ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 57.8MB in the beginning and 104.3MB in the end (delta: -46.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-10-14 17:04:20,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.47ms. Allocated memory is still 153.1MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:04:20,260 INFO L158 Benchmark]: Boogie Preprocessor took 46.50ms. Allocated memory is still 153.1MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 17:04:20,260 INFO L158 Benchmark]: RCFGBuilder took 499.36ms. Allocated memory is still 153.1MB. Free memory was 100.1MB in the beginning and 81.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-14 17:04:20,260 INFO L158 Benchmark]: TraceAbstraction took 3820.72ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 81.3MB in the beginning and 78.4MB in the end (delta: 2.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-10-14 17:04:20,261 INFO L158 Benchmark]: Witness Printer took 101.47ms. Allocated memory is still 184.5MB. Free memory was 78.4MB in the beginning and 74.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:04:20,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 708.22ms. Allocated memory was 117.4MB in the beginning and 153.1MB in the end (delta: 35.7MB). Free memory was 57.8MB in the beginning and 104.3MB in the end (delta: -46.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.47ms. Allocated memory is still 153.1MB. Free memory was 104.3MB in the beginning and 102.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.50ms. Allocated memory is still 153.1MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.36ms. Allocated memory is still 153.1MB. Free memory was 100.1MB in the beginning and 81.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3820.72ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 81.3MB in the beginning and 78.4MB in the end (delta: 2.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Witness Printer took 101.47ms. Allocated memory is still 184.5MB. Free memory was 78.4MB in the beginning and 74.2MB 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: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: 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: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: 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: 925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: 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, 151 locations, 17 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: 3.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 828 IncrementalHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 15 mSDtfsCounter, 828 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1552occurred in iteration=6, InterpolantAutomatonStates: 33, 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, 1.5s InterpolantComputationTime, 361 NumberOfCodeBlocks, 361 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 754 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 17:04:20,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE