./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_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 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_12-ptr_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 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:44:38,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:44:38,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:44:38,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:44:38,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:44:38,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:44:38,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:44:38,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:44:38,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:44:38,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:44:38,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:44:38,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:44:38,488 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:44:38,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:44:38,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:44:38,489 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:44:38,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:44:38,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:44:38,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:44:38,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:44:38,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:44:38,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:44:38,495 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:44:38,495 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:44:38,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:44:38,496 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:44:38,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:44:38,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:44:38,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:44:38,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:44:38,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:44:38,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:44:38,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:44:38,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:44:38,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:44:38,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:44:38,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:44:38,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:44:38,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:44:38,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:44:38,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:44:38,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2024-11-20 13:44:38,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:44:38,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:44:38,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:44:38,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:44:38,804 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:44:38,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2024-11-20 13:44:40,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:44:40,416 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:44:40,416 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2024-11-20 13:44:40,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7404cfe/1d0d6807d22842aa9d6a27f7b2cb0a4a/FLAG802cca808 [2024-11-20 13:44:40,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e7404cfe/1d0d6807d22842aa9d6a27f7b2cb0a4a [2024-11-20 13:44:40,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:44:40,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:44:40,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:44:40,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:44:40,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:44:40,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:44:40" (1/1) ... [2024-11-20 13:44:40,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de53fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:40, skipping insertion in model container [2024-11-20 13:44:40,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:44:40" (1/1) ... [2024-11-20 13:44:40,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:44:41,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:44:41,302 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:44:41,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:44:41,420 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:44:41,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41 WrapperNode [2024-11-20 13:44:41,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:44:41,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:44:41,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:44:41,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:44:41,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,488 INFO L138 Inliner]: procedures = 262, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 100 [2024-11-20 13:44:41,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:44:41,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:44:41,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:44:41,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:44:41,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:44:41,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:44:41,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:44:41,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:44:41,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (1/1) ... [2024-11-20 13:44:41,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:44:41,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:44:41,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 13:44:41,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 13:44:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 13:44:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 13:44:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 13:44:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 13:44:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:44:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-20 13:44:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-20 13:44:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:44:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:44:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:44:41,658 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:44:41,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:44:41,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:44:42,067 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:44:42,071 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:44:42,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:44:42,108 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 13:44:42,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:44:42 BoogieIcfgContainer [2024-11-20 13:44:42,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:44:42,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:44:42,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:44:42,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:44:42,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:44:40" (1/3) ... [2024-11-20 13:44:42,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5182ef2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:44:42, skipping insertion in model container [2024-11-20 13:44:42,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:44:41" (2/3) ... [2024-11-20 13:44:42,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5182ef2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:44:42, skipping insertion in model container [2024-11-20 13:44:42,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:44:42" (3/3) ... [2024-11-20 13:44:42,117 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2024-11-20 13:44:42,132 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:44:42,133 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-20 13:44:42,133 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:44:42,198 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-20 13:44:42,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 130 transitions, 267 flow [2024-11-20 13:44:42,289 INFO L124 PetriNetUnfolderBase]: 0/129 cut-off events. [2024-11-20 13:44:42,289 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:44:42,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 129 events. 0/129 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-20 13:44:42,295 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 130 transitions, 267 flow [2024-11-20 13:44:42,304 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 124 transitions, 251 flow [2024-11-20 13:44:42,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:44:42,334 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;@15f708b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:44:42,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-20 13:44:42,366 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:44:42,366 INFO L124 PetriNetUnfolderBase]: 0/94 cut-off events. [2024-11-20 13:44:42,366 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:44:42,367 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:44:42,367 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:44:42,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-20 13:44:42,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:44:42,373 INFO L85 PathProgramCache]: Analyzing trace with hash 703227705, now seen corresponding path program 1 times [2024-11-20 13:44:42,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:44:42,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807711582] [2024-11-20 13:44:42,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:44:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:44:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:44:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:44:43,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:44:43,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807711582] [2024-11-20 13:44:43,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807711582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:44:43,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:44:43,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:44:43,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083704628] [2024-11-20 13:44:43,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:44:43,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:44:43,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:44:43,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:44:43,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:44:43,708 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2024-11-20 13:44:43,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 124 transitions, 251 flow. Second operand has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:43,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:44:43,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2024-11-20 13:44:43,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:44:43,912 INFO L124 PetriNetUnfolderBase]: 102/435 cut-off events. [2024-11-20 13:44:43,912 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-20 13:44:43,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 435 events. 102/435 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1811 event pairs, 49 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 588. Up to 181 conditions per place. [2024-11-20 13:44:43,942 INFO L140 encePairwiseOnDemand]: 119/130 looper letters, 28 selfloop transitions, 22 changer transitions 0/153 dead transitions. [2024-11-20 13:44:43,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 153 transitions, 409 flow [2024-11-20 13:44:43,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:44:43,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:44:43,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 699 transitions. [2024-11-20 13:44:43,972 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8961538461538462 [2024-11-20 13:44:43,974 INFO L175 Difference]: Start difference. First operand has 128 places, 124 transitions, 251 flow. Second operand 6 states and 699 transitions. [2024-11-20 13:44:43,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 153 transitions, 409 flow [2024-11-20 13:44:43,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 153 transitions, 408 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:44:43,984 INFO L231 Difference]: Finished difference. Result has 137 places, 145 transitions, 400 flow [2024-11-20 13:44:43,986 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=400, PETRI_PLACES=137, PETRI_TRANSITIONS=145} [2024-11-20 13:44:43,991 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, 9 predicate places. [2024-11-20 13:44:43,992 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 145 transitions, 400 flow [2024-11-20 13:44:43,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:43,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:44:43,994 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:44:43,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:44:43,995 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-20 13:44:43,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:44:43,996 INFO L85 PathProgramCache]: Analyzing trace with hash 734763606, now seen corresponding path program 1 times [2024-11-20 13:44:43,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:44:43,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488456282] [2024-11-20 13:44:43,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:44:43,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:44:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:44:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:44:44,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:44:44,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488456282] [2024-11-20 13:44:44,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488456282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:44:44,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:44:44,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:44:44,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638700061] [2024-11-20 13:44:44,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:44:44,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:44:44,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:44:44,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:44:44,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:44:44,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2024-11-20 13:44:44,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 145 transitions, 400 flow. Second operand has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:44,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:44:44,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2024-11-20 13:44:44,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:44:44,738 INFO L124 PetriNetUnfolderBase]: 133/554 cut-off events. [2024-11-20 13:44:44,738 INFO L125 PetriNetUnfolderBase]: For 130/139 co-relation queries the response was YES. [2024-11-20 13:44:44,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 554 events. 133/554 cut-off events. For 130/139 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2647 event pairs, 43 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 943. Up to 220 conditions per place. [2024-11-20 13:44:44,746 INFO L140 encePairwiseOnDemand]: 119/130 looper letters, 41 selfloop transitions, 26 changer transitions 0/174 dead transitions. [2024-11-20 13:44:44,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 174 transitions, 610 flow [2024-11-20 13:44:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:44:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:44:44,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 699 transitions. [2024-11-20 13:44:44,751 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8961538461538462 [2024-11-20 13:44:44,751 INFO L175 Difference]: Start difference. First operand has 137 places, 145 transitions, 400 flow. Second operand 6 states and 699 transitions. [2024-11-20 13:44:44,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 174 transitions, 610 flow [2024-11-20 13:44:44,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 174 transitions, 610 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:44:44,761 INFO L231 Difference]: Finished difference. Result has 147 places, 166 transitions, 584 flow [2024-11-20 13:44:44,762 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=584, PETRI_PLACES=147, PETRI_TRANSITIONS=166} [2024-11-20 13:44:44,763 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, 19 predicate places. [2024-11-20 13:44:44,763 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 166 transitions, 584 flow [2024-11-20 13:44:44,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:44,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:44:44,764 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:44:44,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:44:44,765 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-20 13:44:44,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:44:44,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1692106687, now seen corresponding path program 1 times [2024-11-20 13:44:44,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:44:44,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794487629] [2024-11-20 13:44:44,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:44:44,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:44:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:44:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:44:45,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:44:45,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794487629] [2024-11-20 13:44:45,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794487629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:44:45,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:44:45,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:44:45,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678956810] [2024-11-20 13:44:45,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:44:45,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:44:45,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:44:45,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:44:45,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:44:45,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 130 [2024-11-20 13:44:45,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 166 transitions, 584 flow. Second operand has 6 states, 6 states have (on average 102.5) internal successors, (615), 6 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:45,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:44:45,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 130 [2024-11-20 13:44:45,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:44:45,434 INFO L124 PetriNetUnfolderBase]: 257/837 cut-off events. [2024-11-20 13:44:45,434 INFO L125 PetriNetUnfolderBase]: For 497/513 co-relation queries the response was YES. [2024-11-20 13:44:45,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2068 conditions, 837 events. 257/837 cut-off events. For 497/513 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4556 event pairs, 71 based on Foata normal form. 2/801 useless extension candidates. Maximal degree in co-relation 1975. Up to 457 conditions per place. [2024-11-20 13:44:45,463 INFO L140 encePairwiseOnDemand]: 115/130 looper letters, 67 selfloop transitions, 53 changer transitions 4/221 dead transitions. [2024-11-20 13:44:45,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 221 transitions, 1068 flow [2024-11-20 13:44:45,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:44:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:44:45,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 674 transitions. [2024-11-20 13:44:45,466 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8641025641025641 [2024-11-20 13:44:45,466 INFO L175 Difference]: Start difference. First operand has 147 places, 166 transitions, 584 flow. Second operand 6 states and 674 transitions. [2024-11-20 13:44:45,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 221 transitions, 1068 flow [2024-11-20 13:44:45,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 221 transitions, 1068 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:44:45,478 INFO L231 Difference]: Finished difference. Result has 157 places, 213 transitions, 1058 flow [2024-11-20 13:44:45,478 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1058, PETRI_PLACES=157, PETRI_TRANSITIONS=213} [2024-11-20 13:44:45,479 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, 29 predicate places. [2024-11-20 13:44:45,479 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 213 transitions, 1058 flow [2024-11-20 13:44:45,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 102.5) internal successors, (615), 6 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:45,480 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:44:45,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:44:45,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:44:45,481 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-20 13:44:45,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:44:45,481 INFO L85 PathProgramCache]: Analyzing trace with hash 652790120, now seen corresponding path program 1 times [2024-11-20 13:44:45,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:44:45,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462061434] [2024-11-20 13:44:45,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:44:45,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:44:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:44:45,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:44:45,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:44:45,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462061434] [2024-11-20 13:44:45,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462061434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:44:45,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:44:45,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:44:45,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267902808] [2024-11-20 13:44:45,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:44:45,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:44:45,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:44:45,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:44:45,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:44:45,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 130 [2024-11-20 13:44:45,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 213 transitions, 1058 flow. Second operand has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:45,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:44:45,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 130 [2024-11-20 13:44:45,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:44:46,239 INFO L124 PetriNetUnfolderBase]: 368/1116 cut-off events. [2024-11-20 13:44:46,239 INFO L125 PetriNetUnfolderBase]: For 1481/1513 co-relation queries the response was YES. [2024-11-20 13:44:46,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3364 conditions, 1116 events. 368/1116 cut-off events. For 1481/1513 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6491 event pairs, 87 based on Foata normal form. 3/1089 useless extension candidates. Maximal degree in co-relation 3268. Up to 612 conditions per place. [2024-11-20 13:44:46,248 INFO L140 encePairwiseOnDemand]: 115/130 looper letters, 103 selfloop transitions, 61 changer transitions 10/274 dead transitions. [2024-11-20 13:44:46,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 274 transitions, 1760 flow [2024-11-20 13:44:46,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:44:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:44:46,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 685 transitions. [2024-11-20 13:44:46,251 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8782051282051282 [2024-11-20 13:44:46,251 INFO L175 Difference]: Start difference. First operand has 157 places, 213 transitions, 1058 flow. Second operand 6 states and 685 transitions. [2024-11-20 13:44:46,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 274 transitions, 1760 flow [2024-11-20 13:44:46,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 274 transitions, 1704 flow, removed 28 selfloop flow, removed 0 redundant places. [2024-11-20 13:44:46,268 INFO L231 Difference]: Finished difference. Result has 167 places, 260 transitions, 1596 flow [2024-11-20 13:44:46,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=1008, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1596, PETRI_PLACES=167, PETRI_TRANSITIONS=260} [2024-11-20 13:44:46,270 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, 39 predicate places. [2024-11-20 13:44:46,271 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 260 transitions, 1596 flow [2024-11-20 13:44:46,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 104.33333333333333) internal successors, (626), 6 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:46,272 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:44:46,272 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:44:46,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:44:46,272 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-20 13:44:46,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:44:46,274 INFO L85 PathProgramCache]: Analyzing trace with hash 645029636, now seen corresponding path program 1 times [2024-11-20 13:44:46,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:44:46,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728358034] [2024-11-20 13:44:46,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:44:46,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:44:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:44:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:44:46,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:44:46,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728358034] [2024-11-20 13:44:46,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728358034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:44:46,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:44:46,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 13:44:46,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073257136] [2024-11-20 13:44:46,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:44:46,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:44:46,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:44:46,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:44:46,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:44:46,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 130 [2024-11-20 13:44:46,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 260 transitions, 1596 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:46,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:44:46,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 130 [2024-11-20 13:44:46,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:44:46,418 INFO L124 PetriNetUnfolderBase]: 1/159 cut-off events. [2024-11-20 13:44:46,419 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-11-20 13:44:46,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 159 events. 1/159 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 1 based on Foata normal form. 2/161 useless extension candidates. Maximal degree in co-relation 227. Up to 15 conditions per place. [2024-11-20 13:44:46,419 INFO L140 encePairwiseOnDemand]: 126/130 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2024-11-20 13:44:46,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 120 transitions, 390 flow [2024-11-20 13:44:46,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:44:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:44:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2024-11-20 13:44:46,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9666666666666667 [2024-11-20 13:44:46,421 INFO L175 Difference]: Start difference. First operand has 167 places, 260 transitions, 1596 flow. Second operand 3 states and 377 transitions. [2024-11-20 13:44:46,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 120 transitions, 390 flow [2024-11-20 13:44:46,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 120 transitions, 254 flow, removed 28 selfloop flow, removed 40 redundant places. [2024-11-20 13:44:46,424 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2024-11-20 13:44:46,424 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2024-11-20 13:44:46,426 INFO L277 CegarLoopForPetriNet]: 128 programPoint places, -3 predicate places. [2024-11-20 13:44:46,427 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2024-11-20 13:44:46,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 13:44:46,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-20 13:44:46,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-20 13:44:46,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-20 13:44:46,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-20 13:44:46,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-20 13:44:46,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-20 13:44:46,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-20 13:44:46,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:44:46,432 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-20 13:44:46,439 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:44:46,439 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:44:46,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:44:46 BasicIcfg [2024-11-20 13:44:46,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:44:46,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:44:46,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:44:46,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:44:46,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:44:42" (3/4) ... [2024-11-20 13:44:46,451 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:44:46,456 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-20 13:44:46,460 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-20 13:44:46,461 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-20 13:44:46,461 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-20 13:44:46,560 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:44:46,561 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:44:46,563 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:44:46,564 INFO L158 Benchmark]: Toolchain (without parser) took 5827.30ms. Allocated memory was 169.9MB in the beginning and 281.0MB in the end (delta: 111.1MB). Free memory was 129.0MB in the beginning and 91.4MB in the end (delta: 37.6MB). Peak memory consumption was 148.6MB. Max. memory is 16.1GB. [2024-11-20 13:44:46,564 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 69.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:44:46,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.86ms. Allocated memory is still 169.9MB. Free memory was 129.0MB in the beginning and 97.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-20 13:44:46,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.54ms. Allocated memory is still 169.9MB. Free memory was 97.5MB in the beginning and 94.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:44:46,565 INFO L158 Benchmark]: Boogie Preprocessor took 47.42ms. Allocated memory is still 169.9MB. Free memory was 94.7MB in the beginning and 93.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:44:46,565 INFO L158 Benchmark]: RCFGBuilder took 570.81ms. Allocated memory is still 169.9MB. Free memory was 92.6MB in the beginning and 122.0MB in the end (delta: -29.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-20 13:44:46,565 INFO L158 Benchmark]: TraceAbstraction took 4338.33ms. Allocated memory was 169.9MB in the beginning and 281.0MB in the end (delta: 111.1MB). Free memory was 121.1MB in the beginning and 95.6MB in the end (delta: 25.5MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. [2024-11-20 13:44:46,565 INFO L158 Benchmark]: Witness Printer took 113.84ms. Allocated memory is still 281.0MB. Free memory was 95.6MB in the beginning and 91.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:44:46,567 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 69.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.86ms. Allocated memory is still 169.9MB. Free memory was 129.0MB in the beginning and 97.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.54ms. Allocated memory is still 169.9MB. Free memory was 97.5MB in the beginning and 94.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.42ms. Allocated memory is still 169.9MB. Free memory was 94.7MB in the beginning and 93.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 570.81ms. Allocated memory is still 169.9MB. Free memory was 92.6MB in the beginning and 122.0MB in the end (delta: -29.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4338.33ms. Allocated memory was 169.9MB in the beginning and 281.0MB in the end (delta: 111.1MB). Free memory was 121.1MB in the beginning and 95.6MB in the end (delta: 25.5MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. * Witness Printer took 113.84ms. Allocated memory is still 281.0MB. Free memory was 95.6MB in the beginning and 91.4MB 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: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 158 locations, 7 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: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 776 IncrementalHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 33 mSDtfsCounter, 776 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=1596occurred 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, 2.0s InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 806 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:44:46,587 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