/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 00:29:39,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 00:29:39,398 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 00:29:39,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 00:29:39,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 00:29:39,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 00:29:39,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 00:29:39,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 00:29:39,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 00:29:39,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 00:29:39,438 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 00:29:39,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 00:29:39,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 00:29:39,439 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 00:29:39,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 00:29:39,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 00:29:39,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 00:29:39,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 00:29:39,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 00:29:39,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 00:29:39,441 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 00:29:39,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 00:29:39,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 00:29:39,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 00:29:39,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 00:29:39,442 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 00:29:39,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 00:29:39,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 00:29:39,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 00:29:39,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 00:29:39,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 00:29:39,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 00:29:39,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 00:29:39,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 00:29:39,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 00:29:39,445 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 00:29:39,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 00:29:39,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 00:29:39,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 00:29:39,758 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 00:29:39,760 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 00:29:39,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2023-08-25 00:29:40,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 00:29:41,262 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 00:29:41,262 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2023-08-25 00:29:41,281 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921af9494/e195663f32874872bfc6069e670530fd/FLAG8474dbde1 [2023-08-25 00:29:41,296 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921af9494/e195663f32874872bfc6069e670530fd [2023-08-25 00:29:41,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 00:29:41,302 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 00:29:41,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 00:29:41,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 00:29:41,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 00:29:41,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1a2d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41, skipping insertion in model container [2023-08-25 00:29:41,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,361 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 00:29:41,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 00:29:41,707 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 00:29:41,737 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 00:29:41,739 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 00:29:41,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 00:29:41,795 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 00:29:41,795 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 00:29:41,802 INFO L206 MainTranslator]: Completed translation [2023-08-25 00:29:41,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41 WrapperNode [2023-08-25 00:29:41,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 00:29:41,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 00:29:41,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 00:29:41,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 00:29:41,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,843 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2023-08-25 00:29:41,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 00:29:41,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 00:29:41,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 00:29:41,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 00:29:41,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 00:29:41,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 00:29:41,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 00:29:41,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 00:29:41,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (1/1) ... [2023-08-25 00:29:41,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 00:29:41,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 00:29:41,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 00:29:41,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 00:29:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 00:29:41,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 00:29:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 00:29:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 00:29:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 00:29:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 00:29:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 00:29:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 00:29:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 00:29:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 00:29:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 00:29:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 00:29:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 00:29:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 00:29:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 00:29:41,936 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 00:29:42,068 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 00:29:42,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 00:29:42,330 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 00:29:42,480 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 00:29:42,481 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 00:29:42,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 12:29:42 BoogieIcfgContainer [2023-08-25 00:29:42,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 00:29:42,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 00:29:42,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 00:29:42,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 00:29:42,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 12:29:41" (1/3) ... [2023-08-25 00:29:42,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572a5cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 12:29:42, skipping insertion in model container [2023-08-25 00:29:42,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:29:41" (2/3) ... [2023-08-25 00:29:42,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572a5cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 12:29:42, skipping insertion in model container [2023-08-25 00:29:42,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 12:29:42" (3/3) ... [2023-08-25 00:29:42,491 INFO L112 eAbstractionObserver]: Analyzing ICFG safe008_tso.i [2023-08-25 00:29:42,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 00:29:42,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-25 00:29:42,514 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 00:29:42,573 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 00:29:42,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 115 transitions, 245 flow [2023-08-25 00:29:42,660 INFO L124 PetriNetUnfolderBase]: 3/112 cut-off events. [2023-08-25 00:29:42,660 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:29:42,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 3/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 135 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-08-25 00:29:42,669 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 115 transitions, 245 flow [2023-08-25 00:29:42,673 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 112 transitions, 233 flow [2023-08-25 00:29:42,676 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 00:29:42,688 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 112 transitions, 233 flow [2023-08-25 00:29:42,691 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 112 transitions, 233 flow [2023-08-25 00:29:42,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 112 transitions, 233 flow [2023-08-25 00:29:42,733 INFO L124 PetriNetUnfolderBase]: 3/112 cut-off events. [2023-08-25 00:29:42,734 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:29:42,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 3/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 133 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-08-25 00:29:42,737 INFO L119 LiptonReduction]: Number of co-enabled transitions 3932 [2023-08-25 00:29:46,759 INFO L134 LiptonReduction]: Checked pairs total: 13475 [2023-08-25 00:29:46,760 INFO L136 LiptonReduction]: Total number of compositions: 117 [2023-08-25 00:29:46,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 00:29:46,778 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5c80512f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 00:29:46,778 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2023-08-25 00:29:46,779 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 00:29:46,779 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-25 00:29:46,780 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:29:46,780 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:29:46,780 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-25 00:29:46,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 00:29:46,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:29:46,784 INFO L85 PathProgramCache]: Analyzing trace with hash 592186, now seen corresponding path program 1 times [2023-08-25 00:29:46,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:29:46,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167951714] [2023-08-25 00:29:46,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:29:46,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:29:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:29:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 00:29:46,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:29:46,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167951714] [2023-08-25 00:29:46,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167951714] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:29:46,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:29:46,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 00:29:46,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388164055] [2023-08-25 00:29:46,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:29:46,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 00:29:46,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:29:46,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 00:29:46,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 00:29:46,954 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 232 [2023-08-25 00:29:46,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 91 flow. Second operand has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 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) [2023-08-25 00:29:46,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:29:46,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 232 [2023-08-25 00:29:46,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:29:47,084 INFO L124 PetriNetUnfolderBase]: 567/864 cut-off events. [2023-08-25 00:29:47,084 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-08-25 00:29:47,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 864 events. 567/864 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3169 event pairs, 567 based on Foata normal form. 0/800 useless extension candidates. Maximal degree in co-relation 1764. Up to 865 conditions per place. [2023-08-25 00:29:47,090 INFO L140 encePairwiseOnDemand]: 209/232 looper letters, 17 selfloop transitions, 0 changer transitions 1/18 dead transitions. [2023-08-25 00:29:47,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 18 transitions, 81 flow [2023-08-25 00:29:47,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 00:29:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 00:29:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 195 transitions. [2023-08-25 00:29:47,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4202586206896552 [2023-08-25 00:29:47,102 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 195 transitions. [2023-08-25 00:29:47,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 195 transitions. [2023-08-25 00:29:47,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:29:47,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 195 transitions. [2023-08-25 00:29:47,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 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) [2023-08-25 00:29:47,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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) [2023-08-25 00:29:47,111 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 232.0) internal successors, (696), 3 states have internal predecessors, (696), 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) [2023-08-25 00:29:47,112 INFO L175 Difference]: Start difference. First operand has 50 places, 41 transitions, 91 flow. Second operand 2 states and 195 transitions. [2023-08-25 00:29:47,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 18 transitions, 81 flow [2023-08-25 00:29:47,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 18 transitions, 78 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-25 00:29:47,116 INFO L231 Difference]: Finished difference. Result has 26 places, 17 transitions, 40 flow [2023-08-25 00:29:47,117 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=40, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2023-08-25 00:29:47,120 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -24 predicate places. [2023-08-25 00:29:47,120 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 40 flow [2023-08-25 00:29:47,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 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) [2023-08-25 00:29:47,121 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:29:47,121 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:29:47,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 00:29:47,121 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 00:29:47,122 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:29:47,122 INFO L85 PathProgramCache]: Analyzing trace with hash -791492965, now seen corresponding path program 1 times [2023-08-25 00:29:47,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:29:47,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128020589] [2023-08-25 00:29:47,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:29:47,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:29:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:29:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 00:29:47,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:29:47,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128020589] [2023-08-25 00:29:47,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128020589] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:29:47,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:29:47,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 00:29:47,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105049670] [2023-08-25 00:29:47,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:29:47,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 00:29:47,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:29:47,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 00:29:47,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 00:29:47,236 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 232 [2023-08-25 00:29:47,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2023-08-25 00:29:47,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:29:47,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 232 [2023-08-25 00:29:47,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:29:47,311 INFO L124 PetriNetUnfolderBase]: 383/600 cut-off events. [2023-08-25 00:29:47,312 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:29:47,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1245 conditions, 600 events. 383/600 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2253 event pairs, 77 based on Foata normal form. 16/616 useless extension candidates. Maximal degree in co-relation 1242. Up to 507 conditions per place. [2023-08-25 00:29:47,315 INFO L140 encePairwiseOnDemand]: 229/232 looper letters, 24 selfloop transitions, 2 changer transitions 0/26 dead transitions. [2023-08-25 00:29:47,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 26 transitions, 112 flow [2023-08-25 00:29:47,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 00:29:47,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 00:29:47,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2023-08-25 00:29:47,318 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36637931034482757 [2023-08-25 00:29:47,318 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 255 transitions. [2023-08-25 00:29:47,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 255 transitions. [2023-08-25 00:29:47,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:29:47,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 255 transitions. [2023-08-25 00:29:47,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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) [2023-08-25 00:29:47,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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) [2023-08-25 00:29:47,322 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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) [2023-08-25 00:29:47,322 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 40 flow. Second operand 3 states and 255 transitions. [2023-08-25 00:29:47,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 26 transitions, 112 flow [2023-08-25 00:29:47,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 26 transitions, 112 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 00:29:47,323 INFO L231 Difference]: Finished difference. Result has 28 places, 17 transitions, 48 flow [2023-08-25 00:29:47,323 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=28, PETRI_TRANSITIONS=17} [2023-08-25 00:29:47,324 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -22 predicate places. [2023-08-25 00:29:47,324 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 17 transitions, 48 flow [2023-08-25 00:29:47,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2023-08-25 00:29:47,325 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:29:47,325 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:29:47,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 00:29:47,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 00:29:47,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:29:47,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1233520475, now seen corresponding path program 1 times [2023-08-25 00:29:47,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:29:47,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066990219] [2023-08-25 00:29:47,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:29:47,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:29:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:29:47,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 00:29:47,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:29:47,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066990219] [2023-08-25 00:29:47,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066990219] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:29:47,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:29:47,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 00:29:47,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301269481] [2023-08-25 00:29:47,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:29:47,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 00:29:47,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:29:47,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 00:29:47,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 00:29:47,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 232 [2023-08-25 00:29:47,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 17 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 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) [2023-08-25 00:29:47,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:29:47,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 232 [2023-08-25 00:29:47,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:29:47,561 INFO L124 PetriNetUnfolderBase]: 407/660 cut-off events. [2023-08-25 00:29:47,561 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2023-08-25 00:29:47,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1484 conditions, 660 events. 407/660 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2718 event pairs, 135 based on Foata normal form. 48/708 useless extension candidates. Maximal degree in co-relation 1479. Up to 233 conditions per place. [2023-08-25 00:29:47,563 INFO L140 encePairwiseOnDemand]: 228/232 looper letters, 29 selfloop transitions, 3 changer transitions 5/37 dead transitions. [2023-08-25 00:29:47,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 37 transitions, 171 flow [2023-08-25 00:29:47,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 00:29:47,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 00:29:47,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 339 transitions. [2023-08-25 00:29:47,566 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36530172413793105 [2023-08-25 00:29:47,566 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 339 transitions. [2023-08-25 00:29:47,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 339 transitions. [2023-08-25 00:29:47,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:29:47,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 339 transitions. [2023-08-25 00:29:47,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 84.75) internal successors, (339), 4 states have internal predecessors, (339), 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) [2023-08-25 00:29:47,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 232.0) internal successors, (1160), 5 states have internal predecessors, (1160), 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) [2023-08-25 00:29:47,570 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 232.0) internal successors, (1160), 5 states have internal predecessors, (1160), 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) [2023-08-25 00:29:47,570 INFO L175 Difference]: Start difference. First operand has 28 places, 17 transitions, 48 flow. Second operand 4 states and 339 transitions. [2023-08-25 00:29:47,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 37 transitions, 171 flow [2023-08-25 00:29:47,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 165 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 00:29:47,572 INFO L231 Difference]: Finished difference. Result has 31 places, 17 transitions, 58 flow [2023-08-25 00:29:47,572 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=58, PETRI_PLACES=31, PETRI_TRANSITIONS=17} [2023-08-25 00:29:47,573 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -19 predicate places. [2023-08-25 00:29:47,573 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 17 transitions, 58 flow [2023-08-25 00:29:47,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 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) [2023-08-25 00:29:47,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:29:47,573 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:29:47,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 00:29:47,574 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 00:29:47,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:29:47,574 INFO L85 PathProgramCache]: Analyzing trace with hash -945878856, now seen corresponding path program 1 times [2023-08-25 00:29:47,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:29:47,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673020913] [2023-08-25 00:29:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:29:47,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:29:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:29:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 00:29:47,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:29:47,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673020913] [2023-08-25 00:29:47,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673020913] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:29:47,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:29:47,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 00:29:47,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321685949] [2023-08-25 00:29:47,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:29:47,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 00:29:47,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:29:47,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 00:29:47,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 00:29:47,658 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 232 [2023-08-25 00:29:47,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 17 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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) [2023-08-25 00:29:47,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:29:47,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 232 [2023-08-25 00:29:47,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:29:47,702 INFO L124 PetriNetUnfolderBase]: 180/307 cut-off events. [2023-08-25 00:29:47,702 INFO L125 PetriNetUnfolderBase]: For 191/191 co-relation queries the response was YES. [2023-08-25 00:29:47,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 307 events. 180/307 cut-off events. For 191/191 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 963 event pairs, 57 based on Foata normal form. 6/313 useless extension candidates. Maximal degree in co-relation 783. Up to 214 conditions per place. [2023-08-25 00:29:47,704 INFO L140 encePairwiseOnDemand]: 229/232 looper letters, 22 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2023-08-25 00:29:47,704 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 24 transitions, 128 flow [2023-08-25 00:29:47,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 00:29:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 00:29:47,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2023-08-25 00:29:47,706 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3635057471264368 [2023-08-25 00:29:47,706 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 253 transitions. [2023-08-25 00:29:47,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 253 transitions. [2023-08-25 00:29:47,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:29:47,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 253 transitions. [2023-08-25 00:29:47,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2023-08-25 00:29:47,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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) [2023-08-25 00:29:47,709 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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) [2023-08-25 00:29:47,709 INFO L175 Difference]: Start difference. First operand has 31 places, 17 transitions, 58 flow. Second operand 3 states and 253 transitions. [2023-08-25 00:29:47,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 24 transitions, 128 flow [2023-08-25 00:29:47,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 24 transitions, 111 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-25 00:29:47,711 INFO L231 Difference]: Finished difference. Result has 30 places, 17 transitions, 54 flow [2023-08-25 00:29:47,711 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=30, PETRI_TRANSITIONS=17} [2023-08-25 00:29:47,712 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -20 predicate places. [2023-08-25 00:29:47,712 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 17 transitions, 54 flow [2023-08-25 00:29:47,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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) [2023-08-25 00:29:47,713 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:29:47,713 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:29:47,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 00:29:47,713 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 00:29:47,713 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:29:47,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1747847592, now seen corresponding path program 1 times [2023-08-25 00:29:47,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:29:47,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72400911] [2023-08-25 00:29:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:29:47,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:29:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:29:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 00:29:47,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:29:47,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72400911] [2023-08-25 00:29:47,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72400911] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:29:47,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:29:47,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 00:29:47,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167977064] [2023-08-25 00:29:47,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:29:47,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 00:29:47,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:29:47,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 00:29:47,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 00:29:47,772 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 232 [2023-08-25 00:29:47,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 17 transitions, 54 flow. Second operand has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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) [2023-08-25 00:29:47,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:29:47,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 232 [2023-08-25 00:29:47,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:29:47,835 INFO L124 PetriNetUnfolderBase]: 195/340 cut-off events. [2023-08-25 00:29:47,835 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2023-08-25 00:29:47,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 813 conditions, 340 events. 195/340 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1133 event pairs, 87 based on Foata normal form. 18/358 useless extension candidates. Maximal degree in co-relation 807. Up to 148 conditions per place. [2023-08-25 00:29:47,837 INFO L140 encePairwiseOnDemand]: 228/232 looper letters, 21 selfloop transitions, 3 changer transitions 5/29 dead transitions. [2023-08-25 00:29:47,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 141 flow [2023-08-25 00:29:47,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 00:29:47,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 00:29:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 331 transitions. [2023-08-25 00:29:47,839 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3566810344827586 [2023-08-25 00:29:47,839 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 331 transitions. [2023-08-25 00:29:47,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 331 transitions. [2023-08-25 00:29:47,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:29:47,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 331 transitions. [2023-08-25 00:29:47,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 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) [2023-08-25 00:29:47,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 232.0) internal successors, (1160), 5 states have internal predecessors, (1160), 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) [2023-08-25 00:29:47,843 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 232.0) internal successors, (1160), 5 states have internal predecessors, (1160), 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) [2023-08-25 00:29:47,843 INFO L175 Difference]: Start difference. First operand has 30 places, 17 transitions, 54 flow. Second operand 4 states and 331 transitions. [2023-08-25 00:29:47,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 141 flow [2023-08-25 00:29:47,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 29 transitions, 135 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 00:29:47,844 INFO L231 Difference]: Finished difference. Result has 33 places, 17 transitions, 64 flow [2023-08-25 00:29:47,845 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=64, PETRI_PLACES=33, PETRI_TRANSITIONS=17} [2023-08-25 00:29:47,845 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -17 predicate places. [2023-08-25 00:29:47,845 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 17 transitions, 64 flow [2023-08-25 00:29:47,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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) [2023-08-25 00:29:47,846 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:29:47,846 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:29:47,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 00:29:47,846 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 00:29:47,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:29:47,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1651242062, now seen corresponding path program 1 times [2023-08-25 00:29:47,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:29:47,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779548720] [2023-08-25 00:29:47,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:29:47,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:29:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:29:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 00:29:47,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:29:47,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779548720] [2023-08-25 00:29:47,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779548720] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:29:47,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:29:47,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 00:29:47,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276939611] [2023-08-25 00:29:47,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:29:47,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-25 00:29:47,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:29:47,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-25 00:29:47,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-25 00:29:47,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 232 [2023-08-25 00:29:47,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 17 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 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) [2023-08-25 00:29:47,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:29:47,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 232 [2023-08-25 00:29:47,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:29:48,065 INFO L124 PetriNetUnfolderBase]: 101/199 cut-off events. [2023-08-25 00:29:48,065 INFO L125 PetriNetUnfolderBase]: For 231/231 co-relation queries the response was YES. [2023-08-25 00:29:48,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 199 events. 101/199 cut-off events. For 231/231 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 644 event pairs, 27 based on Foata normal form. 12/211 useless extension candidates. Maximal degree in co-relation 535. Up to 121 conditions per place. [2023-08-25 00:29:48,067 INFO L140 encePairwiseOnDemand]: 226/232 looper letters, 24 selfloop transitions, 4 changer transitions 17/45 dead transitions. [2023-08-25 00:29:48,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 45 transitions, 245 flow [2023-08-25 00:29:48,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-25 00:29:48,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-25 00:29:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 417 transitions. [2023-08-25 00:29:48,069 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3594827586206897 [2023-08-25 00:29:48,069 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 417 transitions. [2023-08-25 00:29:48,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 417 transitions. [2023-08-25 00:29:48,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:29:48,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 417 transitions. [2023-08-25 00:29:48,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 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) [2023-08-25 00:29:48,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 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) [2023-08-25 00:29:48,073 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 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) [2023-08-25 00:29:48,073 INFO L175 Difference]: Start difference. First operand has 33 places, 17 transitions, 64 flow. Second operand 5 states and 417 transitions. [2023-08-25 00:29:48,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 45 transitions, 245 flow [2023-08-25 00:29:48,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 45 transitions, 211 flow, removed 3 selfloop flow, removed 5 redundant places. [2023-08-25 00:29:48,075 INFO L231 Difference]: Finished difference. Result has 35 places, 20 transitions, 84 flow [2023-08-25 00:29:48,075 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=84, PETRI_PLACES=35, PETRI_TRANSITIONS=20} [2023-08-25 00:29:48,076 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -15 predicate places. [2023-08-25 00:29:48,076 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 20 transitions, 84 flow [2023-08-25 00:29:48,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 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) [2023-08-25 00:29:48,076 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:29:48,076 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:29:48,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 00:29:48,077 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 00:29:48,079 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:29:48,079 INFO L85 PathProgramCache]: Analyzing trace with hash -446313022, now seen corresponding path program 1 times [2023-08-25 00:29:48,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:29:48,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295817032] [2023-08-25 00:29:48,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:29:48,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:29:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:29:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 00:29:48,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:29:48,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295817032] [2023-08-25 00:29:48,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295817032] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:29:48,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:29:48,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-25 00:29:48,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277583247] [2023-08-25 00:29:48,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:29:48,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 00:29:48,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:29:48,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 00:29:48,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-25 00:29:48,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 232 [2023-08-25 00:29:48,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 20 transitions, 84 flow. Second operand has 5 states, 5 states have (on average 76.8) internal successors, (384), 5 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 00:29:48,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:29:48,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 232 [2023-08-25 00:29:48,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:29:48,297 INFO L124 PetriNetUnfolderBase]: 69/146 cut-off events. [2023-08-25 00:29:48,297 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2023-08-25 00:29:48,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 146 events. 69/146 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 419 event pairs, 14 based on Foata normal form. 10/156 useless extension candidates. Maximal degree in co-relation 483. Up to 71 conditions per place. [2023-08-25 00:29:48,298 INFO L140 encePairwiseOnDemand]: 226/232 looper letters, 28 selfloop transitions, 7 changer transitions 13/48 dead transitions. [2023-08-25 00:29:48,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 48 transitions, 292 flow [2023-08-25 00:29:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 00:29:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 00:29:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 494 transitions. [2023-08-25 00:29:48,301 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35488505747126436 [2023-08-25 00:29:48,301 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 494 transitions. [2023-08-25 00:29:48,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 494 transitions. [2023-08-25 00:29:48,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:29:48,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 494 transitions. [2023-08-25 00:29:48,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 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) [2023-08-25 00:29:48,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 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) [2023-08-25 00:29:48,305 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 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) [2023-08-25 00:29:48,305 INFO L175 Difference]: Start difference. First operand has 35 places, 20 transitions, 84 flow. Second operand 6 states and 494 transitions. [2023-08-25 00:29:48,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 48 transitions, 292 flow [2023-08-25 00:29:48,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 48 transitions, 286 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-25 00:29:48,308 INFO L231 Difference]: Finished difference. Result has 39 places, 23 transitions, 134 flow [2023-08-25 00:29:48,309 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=134, PETRI_PLACES=39, PETRI_TRANSITIONS=23} [2023-08-25 00:29:48,310 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -11 predicate places. [2023-08-25 00:29:48,311 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 23 transitions, 134 flow [2023-08-25 00:29:48,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.8) internal successors, (384), 5 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 00:29:48,316 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:29:48,317 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:29:48,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 00:29:48,317 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 00:29:48,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:29:48,317 INFO L85 PathProgramCache]: Analyzing trace with hash -950836629, now seen corresponding path program 1 times [2023-08-25 00:29:48,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:29:48,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504773204] [2023-08-25 00:29:48,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:29:48,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:29:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:29:48,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 00:29:48,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:29:48,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504773204] [2023-08-25 00:29:48,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504773204] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:29:48,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:29:48,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 00:29:48,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936431568] [2023-08-25 00:29:48,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:29:48,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 00:29:48,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:29:48,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 00:29:48,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-08-25 00:29:48,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 232 [2023-08-25 00:29:48,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 23 transitions, 134 flow. Second operand has 6 states, 6 states have (on average 76.5) internal successors, (459), 6 states have internal predecessors, (459), 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) [2023-08-25 00:29:48,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:29:48,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 232 [2023-08-25 00:29:48,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:29:48,552 INFO L124 PetriNetUnfolderBase]: 49/108 cut-off events. [2023-08-25 00:29:48,552 INFO L125 PetriNetUnfolderBase]: For 164/164 co-relation queries the response was YES. [2023-08-25 00:29:48,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 108 events. 49/108 cut-off events. For 164/164 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 265 event pairs, 12 based on Foata normal form. 5/113 useless extension candidates. Maximal degree in co-relation 398. Up to 46 conditions per place. [2023-08-25 00:29:48,553 INFO L140 encePairwiseOnDemand]: 226/232 looper letters, 25 selfloop transitions, 10 changer transitions 6/41 dead transitions. [2023-08-25 00:29:48,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 41 transitions, 294 flow [2023-08-25 00:29:48,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-25 00:29:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-25 00:29:48,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 561 transitions. [2023-08-25 00:29:48,555 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34544334975369456 [2023-08-25 00:29:48,555 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 561 transitions. [2023-08-25 00:29:48,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 561 transitions. [2023-08-25 00:29:48,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:29:48,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 561 transitions. [2023-08-25 00:29:48,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 80.14285714285714) internal successors, (561), 7 states have internal predecessors, (561), 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) [2023-08-25 00:29:48,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 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) [2023-08-25 00:29:48,560 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 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) [2023-08-25 00:29:48,560 INFO L175 Difference]: Start difference. First operand has 39 places, 23 transitions, 134 flow. Second operand 7 states and 561 transitions. [2023-08-25 00:29:48,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 41 transitions, 294 flow [2023-08-25 00:29:48,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 41 transitions, 258 flow, removed 14 selfloop flow, removed 4 redundant places. [2023-08-25 00:29:48,562 INFO L231 Difference]: Finished difference. Result has 42 places, 23 transitions, 136 flow [2023-08-25 00:29:48,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=136, PETRI_PLACES=42, PETRI_TRANSITIONS=23} [2023-08-25 00:29:48,563 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -8 predicate places. [2023-08-25 00:29:48,563 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 23 transitions, 136 flow [2023-08-25 00:29:48,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 76.5) internal successors, (459), 6 states have internal predecessors, (459), 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) [2023-08-25 00:29:48,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 00:29:48,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:29:48,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 00:29:48,564 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-25 00:29:48,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 00:29:48,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1224786013, now seen corresponding path program 1 times [2023-08-25 00:29:48,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 00:29:48,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023892280] [2023-08-25 00:29:48,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 00:29:48,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 00:29:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 00:29:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 00:29:48,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 00:29:48,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023892280] [2023-08-25 00:29:48,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023892280] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 00:29:48,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 00:29:48,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 00:29:48,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138483348] [2023-08-25 00:29:48,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 00:29:48,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 00:29:48,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 00:29:48,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 00:29:48,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 00:29:48,602 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 232 [2023-08-25 00:29:48,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 23 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2023-08-25 00:29:48,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 00:29:48,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 232 [2023-08-25 00:29:48,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 00:29:48,629 INFO L124 PetriNetUnfolderBase]: 45/97 cut-off events. [2023-08-25 00:29:48,630 INFO L125 PetriNetUnfolderBase]: For 165/165 co-relation queries the response was YES. [2023-08-25 00:29:48,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 97 events. 45/97 cut-off events. For 165/165 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 204 event pairs, 33 based on Foata normal form. 1/98 useless extension candidates. Maximal degree in co-relation 344. Up to 81 conditions per place. [2023-08-25 00:29:48,630 INFO L140 encePairwiseOnDemand]: 230/232 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2023-08-25 00:29:48,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 26 transitions, 208 flow [2023-08-25 00:29:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 00:29:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 00:29:48,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2023-08-25 00:29:48,631 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.35488505747126436 [2023-08-25 00:29:48,632 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 247 transitions. [2023-08-25 00:29:48,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 247 transitions. [2023-08-25 00:29:48,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 00:29:48,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 247 transitions. [2023-08-25 00:29:48,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2023-08-25 00:29:48,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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) [2023-08-25 00:29:48,634 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 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) [2023-08-25 00:29:48,634 INFO L175 Difference]: Start difference. First operand has 42 places, 23 transitions, 136 flow. Second operand 3 states and 247 transitions. [2023-08-25 00:29:48,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 26 transitions, 208 flow [2023-08-25 00:29:48,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 26 transitions, 168 flow, removed 9 selfloop flow, removed 5 redundant places. [2023-08-25 00:29:48,636 INFO L231 Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow [2023-08-25 00:29:48,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0} [2023-08-25 00:29:48,636 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -14 predicate places. [2023-08-25 00:29:48,636 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 0 transitions, 0 flow [2023-08-25 00:29:48,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2023-08-25 00:29:48,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2023-08-25 00:29:48,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2023-08-25 00:29:48,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2023-08-25 00:29:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2023-08-25 00:29:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2023-08-25 00:29:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2023-08-25 00:29:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2023-08-25 00:29:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2023-08-25 00:29:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2023-08-25 00:29:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2023-08-25 00:29:48,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2023-08-25 00:29:48,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2023-08-25 00:29:48,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2023-08-25 00:29:48,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2023-08-25 00:29:48,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2023-08-25 00:29:48,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2023-08-25 00:29:48,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2023-08-25 00:29:48,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2023-08-25 00:29:48,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2023-08-25 00:29:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2023-08-25 00:29:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2023-08-25 00:29:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2023-08-25 00:29:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONASSERT (17 of 40 remaining) [2023-08-25 00:29:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2023-08-25 00:29:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 40 remaining) [2023-08-25 00:29:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 40 remaining) [2023-08-25 00:29:48,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2023-08-25 00:29:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2023-08-25 00:29:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2023-08-25 00:29:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2023-08-25 00:29:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2023-08-25 00:29:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2023-08-25 00:29:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2023-08-25 00:29:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2023-08-25 00:29:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2023-08-25 00:29:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2023-08-25 00:29:48,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2023-08-25 00:29:48,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2023-08-25 00:29:48,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2023-08-25 00:29:48,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2023-08-25 00:29:48,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 00:29:48,644 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 00:29:48,649 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 00:29:48,649 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 00:29:48,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 12:29:48 BasicIcfg [2023-08-25 00:29:48,653 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 00:29:48,653 INFO L158 Benchmark]: Toolchain (without parser) took 7351.50ms. Allocated memory was 383.8MB in the beginning and 570.4MB in the end (delta: 186.6MB). Free memory was 359.0MB in the beginning and 310.4MB in the end (delta: 48.6MB). Peak memory consumption was 235.7MB. Max. memory is 16.0GB. [2023-08-25 00:29:48,653 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 383.8MB. Free memory is still 360.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 00:29:48,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.57ms. Allocated memory is still 383.8MB. Free memory was 358.7MB in the beginning and 338.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-08-25 00:29:48,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.01ms. Allocated memory is still 383.8MB. Free memory was 338.1MB in the beginning and 336.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 00:29:48,654 INFO L158 Benchmark]: Boogie Preprocessor took 22.85ms. Allocated memory is still 383.8MB. Free memory was 336.0MB in the beginning and 334.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 00:29:48,654 INFO L158 Benchmark]: RCFGBuilder took 615.51ms. Allocated memory is still 383.8MB. Free memory was 334.3MB in the beginning and 359.7MB in the end (delta: -25.3MB). Peak memory consumption was 35.4MB. Max. memory is 16.0GB. [2023-08-25 00:29:48,655 INFO L158 Benchmark]: TraceAbstraction took 6167.84ms. Allocated memory was 383.8MB in the beginning and 570.4MB in the end (delta: 186.6MB). Free memory was 358.8MB in the beginning and 310.4MB in the end (delta: 48.4MB). Peak memory consumption was 233.8MB. Max. memory is 16.0GB. [2023-08-25 00:29:48,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 383.8MB. Free memory is still 360.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 498.57ms. Allocated memory is still 383.8MB. Free memory was 358.7MB in the beginning and 338.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 39.01ms. Allocated memory is still 383.8MB. Free memory was 338.1MB in the beginning and 336.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.85ms. Allocated memory is still 383.8MB. Free memory was 336.0MB in the beginning and 334.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 615.51ms. Allocated memory is still 383.8MB. Free memory was 334.3MB in the beginning and 359.7MB in the end (delta: -25.3MB). Peak memory consumption was 35.4MB. Max. memory is 16.0GB. * TraceAbstraction took 6167.84ms. Allocated memory was 383.8MB in the beginning and 570.4MB in the end (delta: 186.6MB). Free memory was 358.8MB in the beginning and 310.4MB in the end (delta: 48.4MB). Peak memory consumption was 233.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 119 PlacesBefore, 50 PlacesAfterwards, 112 TransitionsBefore, 41 TransitionsAfterwards, 3932 CoEnabledTransitionPairs, 7 FixpointIterations, 20 TrivialSequentialCompositions, 83 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 2 ChoiceCompositions, 117 TotalNumberOfCompositions, 13475 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7705, independent: 7440, independent conditional: 0, independent unconditional: 7440, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2226, independent: 2159, independent conditional: 0, independent unconditional: 2159, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7705, independent: 5281, independent conditional: 0, independent unconditional: 5281, dependent: 198, dependent conditional: 0, dependent unconditional: 198, unknown: 2226, unknown conditional: 0, unknown unconditional: 2226] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 248, Positive conditional cache size: 0, Positive unconditional cache size: 248, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 17]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 151 locations, 40 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: 6.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 392 IncrementalHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 0 mSDtfsCounter, 392 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=8, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 00:29:48,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...