/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/goblint-regression/06-symbeq_15-list_entry_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:25:37,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:25:37,434 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 03:25:37,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:25:37,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:25:37,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:25:37,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:25:37,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:25:37,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:25:37,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:25:37,476 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:25:37,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:25:37,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:25:37,478 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:25:37,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:25:37,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:25:37,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:25:37,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:25:37,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:25:37,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:25:37,479 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:25:37,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:25:37,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:25:37,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:25:37,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:25:37,480 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:25:37,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:25:37,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:25:37,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:25:37,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:25:37,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:25:37,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:25:37,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:25:37,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:25:37,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:25:37,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:25:37,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:25:37,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:25:37,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:25:37,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:25:37,767 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:25:37,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2023-08-25 03:25:38,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:25:39,042 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:25:39,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2023-08-25 03:25:39,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed96039f8/d6b07d3a992e48498c0965e6533e5790/FLAG8443e52b8 [2023-08-25 03:25:39,077 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed96039f8/d6b07d3a992e48498c0965e6533e5790 [2023-08-25 03:25:39,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:25:39,080 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:25:39,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:25:39,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:25:39,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:25:39,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a14706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39, skipping insertion in model container [2023-08-25 03:25:39,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,134 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:25:39,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:25:39,600 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:25:39,621 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:25:39,622 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [244] [2023-08-25 03:25:39,630 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [1044] [2023-08-25 03:25:39,634 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1233] [2023-08-25 03:25:39,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:25:39,702 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:25:39,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39 WrapperNode [2023-08-25 03:25:39,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:25:39,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:25:39,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:25:39,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:25:39,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,766 INFO L138 Inliner]: procedures = 365, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2023-08-25 03:25:39,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:25:39,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:25:39,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:25:39,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:25:39,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:25:39,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:25:39,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:25:39,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:25:39,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (1/1) ... [2023-08-25 03:25:39,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:25:39,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:25:39,866 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 03:25:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:25:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:25:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:25:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:25:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:25:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 03:25:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:25:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:25:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:25:39,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:25:39,892 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 03:25:39,878 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 03:25:40,016 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:25:40,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:25:40,251 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:25:40,256 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:25:40,256 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:25:40,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:25:40 BoogieIcfgContainer [2023-08-25 03:25:40,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:25:40,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:25:40,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:25:40,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:25:40,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:25:39" (1/3) ... [2023-08-25 03:25:40,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a598318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:25:40, skipping insertion in model container [2023-08-25 03:25:40,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:25:39" (2/3) ... [2023-08-25 03:25:40,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a598318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:25:40, skipping insertion in model container [2023-08-25 03:25:40,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:25:40" (3/3) ... [2023-08-25 03:25:40,262 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2023-08-25 03:25:40,273 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:25:40,273 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-08-25 03:25:40,273 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:25:40,337 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 03:25:40,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 105 transitions, 215 flow [2023-08-25 03:25:40,405 INFO L124 PetriNetUnfolderBase]: 0/104 cut-off events. [2023-08-25 03:25:40,405 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:25:40,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 104 events. 0/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-25 03:25:40,407 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 105 transitions, 215 flow [2023-08-25 03:25:40,410 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 104 transitions, 211 flow [2023-08-25 03:25:40,412 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:25:40,419 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 104 transitions, 211 flow [2023-08-25 03:25:40,421 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 104 transitions, 211 flow [2023-08-25 03:25:40,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 211 flow [2023-08-25 03:25:40,451 INFO L124 PetriNetUnfolderBase]: 0/104 cut-off events. [2023-08-25 03:25:40,452 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:25:40,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 104 events. 0/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-25 03:25:40,454 INFO L119 LiptonReduction]: Number of co-enabled transitions 2304 [2023-08-25 03:25:42,660 INFO L134 LiptonReduction]: Checked pairs total: 12387 [2023-08-25 03:25:42,661 INFO L136 LiptonReduction]: Total number of compositions: 73 [2023-08-25 03:25:42,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:25:42,674 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;@35342807, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:25:42,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-08-25 03:25:42,675 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:25:42,675 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 03:25:42,675 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:25:42,675 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:42,676 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 03:25:42,676 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:42,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:42,679 INFO L85 PathProgramCache]: Analyzing trace with hash 343, now seen corresponding path program 1 times [2023-08-25 03:25:42,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:42,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238689190] [2023-08-25 03:25:42,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:42,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:42,778 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 03:25:42,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:42,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238689190] [2023-08-25 03:25:42,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238689190] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:42,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:42,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 03:25:42,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735242854] [2023-08-25 03:25:42,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:42,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 03:25:42,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:42,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 03:25:42,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 03:25:42,809 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 178 [2023-08-25 03:25:42,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 43 transitions, 89 flow. Second operand has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 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 03:25:42,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:42,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 178 [2023-08-25 03:25:42,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:42,890 INFO L124 PetriNetUnfolderBase]: 49/216 cut-off events. [2023-08-25 03:25:42,891 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:25:42,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 216 events. 49/216 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 913 event pairs, 49 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 326. Up to 115 conditions per place. [2023-08-25 03:25:42,894 INFO L140 encePairwiseOnDemand]: 175/178 looper letters, 16 selfloop transitions, 0 changer transitions 0/40 dead transitions. [2023-08-25 03:25:42,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 40 transitions, 115 flow [2023-08-25 03:25:42,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 03:25:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 03:25:42,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 227 transitions. [2023-08-25 03:25:42,905 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6376404494382022 [2023-08-25 03:25:42,905 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 227 transitions. [2023-08-25 03:25:42,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 227 transitions. [2023-08-25 03:25:42,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:42,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 227 transitions. [2023-08-25 03:25:42,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 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 03:25:42,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 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 03:25:42,913 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 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 03:25:42,914 INFO L175 Difference]: Start difference. First operand has 47 places, 43 transitions, 89 flow. Second operand 2 states and 227 transitions. [2023-08-25 03:25:42,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 40 transitions, 115 flow [2023-08-25 03:25:42,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 40 transitions, 114 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:25:42,917 INFO L231 Difference]: Finished difference. Result has 44 places, 40 transitions, 82 flow [2023-08-25 03:25:42,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=82, PETRI_PLACES=44, PETRI_TRANSITIONS=40} [2023-08-25 03:25:42,921 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2023-08-25 03:25:42,921 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 40 transitions, 82 flow [2023-08-25 03:25:42,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 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 03:25:42,921 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:42,921 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-25 03:25:42,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:25:42,922 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:42,922 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:42,922 INFO L85 PathProgramCache]: Analyzing trace with hash 10672680, now seen corresponding path program 1 times [2023-08-25 03:25:42,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:42,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037685276] [2023-08-25 03:25:42,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:42,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:42,995 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 03:25:42,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:42,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037685276] [2023-08-25 03:25:42,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037685276] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:42,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:42,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:25:42,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583242331] [2023-08-25 03:25:42,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:42,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:25:42,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:42,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:25:42,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:25:42,998 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 178 [2023-08-25 03:25:42,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 40 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 03:25:42,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:42,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 178 [2023-08-25 03:25:42,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:43,044 INFO L124 PetriNetUnfolderBase]: 49/213 cut-off events. [2023-08-25 03:25:43,045 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:25:43,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 213 events. 49/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 893 event pairs, 49 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 329. Up to 114 conditions per place. [2023-08-25 03:25:43,062 INFO L140 encePairwiseOnDemand]: 175/178 looper letters, 15 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2023-08-25 03:25:43,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 110 flow [2023-08-25 03:25:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:25:43,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:25:43,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2023-08-25 03:25:43,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.550561797752809 [2023-08-25 03:25:43,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions. [2023-08-25 03:25:43,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions. [2023-08-25 03:25:43,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:43,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions. [2023-08-25 03:25:43,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 03:25:43,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 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 03:25:43,071 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 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 03:25:43,071 INFO L175 Difference]: Start difference. First operand has 44 places, 40 transitions, 82 flow. Second operand 3 states and 294 transitions. [2023-08-25 03:25:43,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 110 flow [2023-08-25 03:25:43,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 110 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:25:43,072 INFO L231 Difference]: Finished difference. Result has 44 places, 38 transitions, 80 flow [2023-08-25 03:25:43,072 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=44, PETRI_TRANSITIONS=38} [2023-08-25 03:25:43,073 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2023-08-25 03:25:43,073 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 80 flow [2023-08-25 03:25:43,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 03:25:43,074 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:43,074 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:25:43,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:25:43,074 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:43,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:43,079 INFO L85 PathProgramCache]: Analyzing trace with hash 536002264, now seen corresponding path program 1 times [2023-08-25 03:25:43,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:43,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525132346] [2023-08-25 03:25:43,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:43,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:43,381 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 03:25:43,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:43,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525132346] [2023-08-25 03:25:43,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525132346] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:43,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:43,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:25:43,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687913314] [2023-08-25 03:25:43,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:43,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:25:43,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:43,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:25:43,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:25:43,385 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 178 [2023-08-25 03:25:43,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 80 flow. Second operand has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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 03:25:43,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:43,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 178 [2023-08-25 03:25:43,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:43,672 INFO L124 PetriNetUnfolderBase]: 331/709 cut-off events. [2023-08-25 03:25:43,672 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:25:43,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1421 conditions, 709 events. 331/709 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3088 event pairs, 190 based on Foata normal form. 0/640 useless extension candidates. Maximal degree in co-relation 1417. Up to 513 conditions per place. [2023-08-25 03:25:43,678 INFO L140 encePairwiseOnDemand]: 167/178 looper letters, 89 selfloop transitions, 22 changer transitions 0/112 dead transitions. [2023-08-25 03:25:43,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 112 transitions, 450 flow [2023-08-25 03:25:43,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:25:43,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:25:43,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 520 transitions. [2023-08-25 03:25:43,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4868913857677903 [2023-08-25 03:25:43,681 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 520 transitions. [2023-08-25 03:25:43,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 520 transitions. [2023-08-25 03:25:43,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:43,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 520 transitions. [2023-08-25 03:25:43,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 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 03:25:43,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:43,686 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:43,686 INFO L175 Difference]: Start difference. First operand has 44 places, 38 transitions, 80 flow. Second operand 6 states and 520 transitions. [2023-08-25 03:25:43,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 112 transitions, 450 flow [2023-08-25 03:25:43,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 112 transitions, 449 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:25:43,689 INFO L231 Difference]: Finished difference. Result has 53 places, 59 transitions, 229 flow [2023-08-25 03:25:43,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=229, PETRI_PLACES=53, PETRI_TRANSITIONS=59} [2023-08-25 03:25:43,690 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 6 predicate places. [2023-08-25 03:25:43,691 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 59 transitions, 229 flow [2023-08-25 03:25:43,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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 03:25:43,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:43,691 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:25:43,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:25:43,695 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:43,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:43,696 INFO L85 PathProgramCache]: Analyzing trace with hash 671332788, now seen corresponding path program 1 times [2023-08-25 03:25:43,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:43,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467384183] [2023-08-25 03:25:43,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:43,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:43,960 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 03:25:43,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:43,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467384183] [2023-08-25 03:25:43,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467384183] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:43,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:43,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:25:43,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940447906] [2023-08-25 03:25:43,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:43,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:25:43,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:43,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:25:43,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:25:43,965 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 178 [2023-08-25 03:25:43,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 59 transitions, 229 flow. Second operand has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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 03:25:43,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:43,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 178 [2023-08-25 03:25:43,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:44,191 INFO L124 PetriNetUnfolderBase]: 333/724 cut-off events. [2023-08-25 03:25:44,191 INFO L125 PetriNetUnfolderBase]: For 251/251 co-relation queries the response was YES. [2023-08-25 03:25:44,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1804 conditions, 724 events. 333/724 cut-off events. For 251/251 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3246 event pairs, 151 based on Foata normal form. 0/669 useless extension candidates. Maximal degree in co-relation 1796. Up to 545 conditions per place. [2023-08-25 03:25:44,195 INFO L140 encePairwiseOnDemand]: 167/178 looper letters, 97 selfloop transitions, 26 changer transitions 0/125 dead transitions. [2023-08-25 03:25:44,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 125 transitions, 697 flow [2023-08-25 03:25:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:25:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:25:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 511 transitions. [2023-08-25 03:25:44,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47846441947565543 [2023-08-25 03:25:44,196 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 511 transitions. [2023-08-25 03:25:44,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 511 transitions. [2023-08-25 03:25:44,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:44,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 511 transitions. [2023-08-25 03:25:44,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 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 03:25:44,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:44,200 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:44,200 INFO L175 Difference]: Start difference. First operand has 53 places, 59 transitions, 229 flow. Second operand 6 states and 511 transitions. [2023-08-25 03:25:44,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 125 transitions, 697 flow [2023-08-25 03:25:44,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 125 transitions, 697 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:25:44,203 INFO L231 Difference]: Finished difference. Result has 63 places, 80 transitions, 413 flow [2023-08-25 03:25:44,204 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=413, PETRI_PLACES=63, PETRI_TRANSITIONS=80} [2023-08-25 03:25:44,204 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 16 predicate places. [2023-08-25 03:25:44,204 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 80 transitions, 413 flow [2023-08-25 03:25:44,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 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 03:25:44,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:44,205 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 03:25:44,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 03:25:44,205 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:44,205 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:44,205 INFO L85 PathProgramCache]: Analyzing trace with hash 465092287, now seen corresponding path program 1 times [2023-08-25 03:25:44,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:44,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758300828] [2023-08-25 03:25:44,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:44,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:44,361 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 03:25:44,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:44,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758300828] [2023-08-25 03:25:44,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758300828] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:44,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:44,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:25:44,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837792419] [2023-08-25 03:25:44,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:44,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:25:44,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:44,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:25:44,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:25:44,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 178 [2023-08-25 03:25:44,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 80 transitions, 413 flow. Second operand has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 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 03:25:44,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:44,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 178 [2023-08-25 03:25:44,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:44,609 INFO L124 PetriNetUnfolderBase]: 425/908 cut-off events. [2023-08-25 03:25:44,609 INFO L125 PetriNetUnfolderBase]: For 574/574 co-relation queries the response was YES. [2023-08-25 03:25:44,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2668 conditions, 908 events. 425/908 cut-off events. For 574/574 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4269 event pairs, 172 based on Foata normal form. 0/857 useless extension candidates. Maximal degree in co-relation 2655. Up to 730 conditions per place. [2023-08-25 03:25:44,613 INFO L140 encePairwiseOnDemand]: 163/178 looper letters, 102 selfloop transitions, 53 changer transitions 8/164 dead transitions. [2023-08-25 03:25:44,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 164 transitions, 1067 flow [2023-08-25 03:25:44,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:25:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:25:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 507 transitions. [2023-08-25 03:25:44,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4747191011235955 [2023-08-25 03:25:44,616 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 507 transitions. [2023-08-25 03:25:44,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 507 transitions. [2023-08-25 03:25:44,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:44,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 507 transitions. [2023-08-25 03:25:44,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 84.5) internal successors, (507), 6 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:25:44,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:44,619 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:44,619 INFO L175 Difference]: Start difference. First operand has 63 places, 80 transitions, 413 flow. Second operand 6 states and 507 transitions. [2023-08-25 03:25:44,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 164 transitions, 1067 flow [2023-08-25 03:25:44,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 164 transitions, 1067 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:25:44,624 INFO L231 Difference]: Finished difference. Result has 73 places, 127 transitions, 895 flow [2023-08-25 03:25:44,624 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=413, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=895, PETRI_PLACES=73, PETRI_TRANSITIONS=127} [2023-08-25 03:25:44,625 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 26 predicate places. [2023-08-25 03:25:44,625 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 127 transitions, 895 flow [2023-08-25 03:25:44,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 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 03:25:44,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:44,625 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 03:25:44,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 03:25:44,626 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:44,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:44,626 INFO L85 PathProgramCache]: Analyzing trace with hash -198705073, now seen corresponding path program 1 times [2023-08-25 03:25:44,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:44,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542971668] [2023-08-25 03:25:44,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:44,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:44,773 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 03:25:44,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:44,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542971668] [2023-08-25 03:25:44,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542971668] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:44,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:44,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:25:44,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896459322] [2023-08-25 03:25:44,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:44,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:25:44,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:44,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:25:44,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:25:44,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 178 [2023-08-25 03:25:44,775 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 127 transitions, 895 flow. Second operand has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 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 03:25:44,775 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:44,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 178 [2023-08-25 03:25:44,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:44,990 INFO L124 PetriNetUnfolderBase]: 467/1013 cut-off events. [2023-08-25 03:25:44,990 INFO L125 PetriNetUnfolderBase]: For 1388/1390 co-relation queries the response was YES. [2023-08-25 03:25:44,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3671 conditions, 1013 events. 467/1013 cut-off events. For 1388/1390 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5072 event pairs, 143 based on Foata normal form. 0/988 useless extension candidates. Maximal degree in co-relation 3653. Up to 815 conditions per place. [2023-08-25 03:25:44,996 INFO L140 encePairwiseOnDemand]: 163/178 looper letters, 132 selfloop transitions, 58 changer transitions 26/218 dead transitions. [2023-08-25 03:25:44,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 218 transitions, 1809 flow [2023-08-25 03:25:44,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:25:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:25:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 502 transitions. [2023-08-25 03:25:44,998 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4700374531835206 [2023-08-25 03:25:44,998 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 502 transitions. [2023-08-25 03:25:44,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 502 transitions. [2023-08-25 03:25:44,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:44,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 502 transitions. [2023-08-25 03:25:45,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 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 03:25:45,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:45,002 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:45,002 INFO L175 Difference]: Start difference. First operand has 73 places, 127 transitions, 895 flow. Second operand 6 states and 502 transitions. [2023-08-25 03:25:45,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 218 transitions, 1809 flow [2023-08-25 03:25:45,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 218 transitions, 1745 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-08-25 03:25:45,014 INFO L231 Difference]: Finished difference. Result has 83 places, 168 transitions, 1357 flow [2023-08-25 03:25:45,015 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=837, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1357, PETRI_PLACES=83, PETRI_TRANSITIONS=168} [2023-08-25 03:25:45,017 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 36 predicate places. [2023-08-25 03:25:45,017 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 168 transitions, 1357 flow [2023-08-25 03:25:45,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 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 03:25:45,017 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:45,017 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:25:45,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-25 03:25:45,017 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:45,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:45,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1511187286, now seen corresponding path program 1 times [2023-08-25 03:25:45,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:45,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572558469] [2023-08-25 03:25:45,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:45,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:45,380 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 03:25:45,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:45,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572558469] [2023-08-25 03:25:45,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572558469] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:45,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:45,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:25:45,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675904610] [2023-08-25 03:25:45,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:45,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:25:45,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:45,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:25:45,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:25:45,382 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 178 [2023-08-25 03:25:45,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 168 transitions, 1357 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 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 03:25:45,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:45,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 178 [2023-08-25 03:25:45,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:45,592 INFO L124 PetriNetUnfolderBase]: 369/880 cut-off events. [2023-08-25 03:25:45,593 INFO L125 PetriNetUnfolderBase]: For 1929/1976 co-relation queries the response was YES. [2023-08-25 03:25:45,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3541 conditions, 880 events. 369/880 cut-off events. For 1929/1976 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4824 event pairs, 30 based on Foata normal form. 21/893 useless extension candidates. Maximal degree in co-relation 3518. Up to 472 conditions per place. [2023-08-25 03:25:45,599 INFO L140 encePairwiseOnDemand]: 171/178 looper letters, 104 selfloop transitions, 7 changer transitions 39/223 dead transitions. [2023-08-25 03:25:45,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 223 transitions, 1981 flow [2023-08-25 03:25:45,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:25:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:25:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 532 transitions. [2023-08-25 03:25:45,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49812734082397003 [2023-08-25 03:25:45,601 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 532 transitions. [2023-08-25 03:25:45,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 532 transitions. [2023-08-25 03:25:45,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:45,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 532 transitions. [2023-08-25 03:25:45,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 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 03:25:45,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:45,604 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:45,604 INFO L175 Difference]: Start difference. First operand has 83 places, 168 transitions, 1357 flow. Second operand 6 states and 532 transitions. [2023-08-25 03:25:45,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 223 transitions, 1981 flow [2023-08-25 03:25:45,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 223 transitions, 1913 flow, removed 34 selfloop flow, removed 0 redundant places. [2023-08-25 03:25:45,619 INFO L231 Difference]: Finished difference. Result has 90 places, 168 transitions, 1312 flow [2023-08-25 03:25:45,620 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=1289, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1312, PETRI_PLACES=90, PETRI_TRANSITIONS=168} [2023-08-25 03:25:45,620 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 43 predicate places. [2023-08-25 03:25:45,620 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 168 transitions, 1312 flow [2023-08-25 03:25:45,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 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 03:25:45,621 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:45,621 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:25:45,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-25 03:25:45,621 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:45,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:45,621 INFO L85 PathProgramCache]: Analyzing trace with hash 874796032, now seen corresponding path program 2 times [2023-08-25 03:25:45,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:45,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701508935] [2023-08-25 03:25:45,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:45,843 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 03:25:45,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:45,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701508935] [2023-08-25 03:25:45,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701508935] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:45,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:45,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:25:45,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378133425] [2023-08-25 03:25:45,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:45,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:25:45,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:45,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:25:45,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:25:45,846 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 178 [2023-08-25 03:25:45,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 168 transitions, 1312 flow. Second operand has 6 states, 6 states have (on average 64.66666666666667) internal successors, (388), 6 states have internal predecessors, (388), 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 03:25:45,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:45,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 178 [2023-08-25 03:25:45,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:46,102 INFO L124 PetriNetUnfolderBase]: 481/1077 cut-off events. [2023-08-25 03:25:46,102 INFO L125 PetriNetUnfolderBase]: For 2380/2380 co-relation queries the response was YES. [2023-08-25 03:25:46,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4782 conditions, 1077 events. 481/1077 cut-off events. For 2380/2380 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5642 event pairs, 65 based on Foata normal form. 13/1090 useless extension candidates. Maximal degree in co-relation 4756. Up to 843 conditions per place. [2023-08-25 03:25:46,109 INFO L140 encePairwiseOnDemand]: 171/178 looper letters, 191 selfloop transitions, 7 changer transitions 48/246 dead transitions. [2023-08-25 03:25:46,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 246 transitions, 2342 flow [2023-08-25 03:25:46,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:25:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:25:46,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 465 transitions. [2023-08-25 03:25:46,111 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4353932584269663 [2023-08-25 03:25:46,111 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 465 transitions. [2023-08-25 03:25:46,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 465 transitions. [2023-08-25 03:25:46,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:46,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 465 transitions. [2023-08-25 03:25:46,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 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 03:25:46,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:46,114 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:46,114 INFO L175 Difference]: Start difference. First operand has 90 places, 168 transitions, 1312 flow. Second operand 6 states and 465 transitions. [2023-08-25 03:25:46,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 246 transitions, 2342 flow [2023-08-25 03:25:46,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 246 transitions, 2323 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-08-25 03:25:46,131 INFO L231 Difference]: Finished difference. Result has 92 places, 168 transitions, 1324 flow [2023-08-25 03:25:46,131 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=1301, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1324, PETRI_PLACES=92, PETRI_TRANSITIONS=168} [2023-08-25 03:25:46,133 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 45 predicate places. [2023-08-25 03:25:46,133 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 168 transitions, 1324 flow [2023-08-25 03:25:46,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.66666666666667) internal successors, (388), 6 states have internal predecessors, (388), 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 03:25:46,134 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:46,134 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:25:46,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-25 03:25:46,134 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:46,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:46,134 INFO L85 PathProgramCache]: Analyzing trace with hash -278142915, now seen corresponding path program 1 times [2023-08-25 03:25:46,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:46,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835734418] [2023-08-25 03:25:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:46,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:46,454 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 03:25:46,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:46,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835734418] [2023-08-25 03:25:46,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835734418] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:46,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:46,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:25:46,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93050489] [2023-08-25 03:25:46,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:46,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:25:46,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:46,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:25:46,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:25:46,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 178 [2023-08-25 03:25:46,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 168 transitions, 1324 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 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 03:25:46,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:46,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 178 [2023-08-25 03:25:46,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:46,600 INFO L124 PetriNetUnfolderBase]: 342/878 cut-off events. [2023-08-25 03:25:46,600 INFO L125 PetriNetUnfolderBase]: For 2187/2216 co-relation queries the response was YES. [2023-08-25 03:25:46,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3838 conditions, 878 events. 342/878 cut-off events. For 2187/2216 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4839 event pairs, 70 based on Foata normal form. 19/890 useless extension candidates. Maximal degree in co-relation 3811. Up to 579 conditions per place. [2023-08-25 03:25:46,605 INFO L140 encePairwiseOnDemand]: 173/178 looper letters, 93 selfloop transitions, 2 changer transitions 23/191 dead transitions. [2023-08-25 03:25:46,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 191 transitions, 1692 flow [2023-08-25 03:25:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:25:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:25:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 514 transitions. [2023-08-25 03:25:46,607 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4812734082397004 [2023-08-25 03:25:46,607 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 514 transitions. [2023-08-25 03:25:46,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 514 transitions. [2023-08-25 03:25:46,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:46,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 514 transitions. [2023-08-25 03:25:46,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 85.66666666666667) internal successors, (514), 6 states have internal predecessors, (514), 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 03:25:46,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:46,611 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:46,611 INFO L175 Difference]: Start difference. First operand has 92 places, 168 transitions, 1324 flow. Second operand 6 states and 514 transitions. [2023-08-25 03:25:46,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 191 transitions, 1692 flow [2023-08-25 03:25:46,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 191 transitions, 1675 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-25 03:25:46,624 INFO L231 Difference]: Finished difference. Result has 95 places, 168 transitions, 1328 flow [2023-08-25 03:25:46,625 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=1313, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1328, PETRI_PLACES=95, PETRI_TRANSITIONS=168} [2023-08-25 03:25:46,625 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 48 predicate places. [2023-08-25 03:25:46,626 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 168 transitions, 1328 flow [2023-08-25 03:25:46,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 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 03:25:46,626 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:25:46,626 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:25:46,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-25 03:25:46,626 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-08-25 03:25:46,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:25:46,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1618940846, now seen corresponding path program 3 times [2023-08-25 03:25:46,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:25:46,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906380338] [2023-08-25 03:25:46,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:25:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:25:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:25:46,814 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 03:25:46,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:25:46,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906380338] [2023-08-25 03:25:46,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906380338] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:25:46,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:25:46,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:25:46,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786301632] [2023-08-25 03:25:46,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:25:46,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:25:46,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:25:46,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:25:46,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:25:46,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 178 [2023-08-25 03:25:46,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 168 transitions, 1328 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 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 03:25:46,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:25:46,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 178 [2023-08-25 03:25:46,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:25:46,898 INFO L124 PetriNetUnfolderBase]: 20/108 cut-off events. [2023-08-25 03:25:46,898 INFO L125 PetriNetUnfolderBase]: For 247/247 co-relation queries the response was YES. [2023-08-25 03:25:46,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 108 events. 20/108 cut-off events. For 247/247 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 368 event pairs, 15 based on Foata normal form. 17/125 useless extension candidates. Maximal degree in co-relation 413. Up to 48 conditions per place. [2023-08-25 03:25:46,899 INFO L140 encePairwiseOnDemand]: 173/178 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2023-08-25 03:25:46,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 51 transitions, 425 flow [2023-08-25 03:25:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:25:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:25:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 506 transitions. [2023-08-25 03:25:46,900 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4737827715355805 [2023-08-25 03:25:46,901 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 506 transitions. [2023-08-25 03:25:46,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 506 transitions. [2023-08-25 03:25:46,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:25:46,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 506 transitions. [2023-08-25 03:25:46,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 84.33333333333333) internal successors, (506), 6 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:25:46,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:46,903 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 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 03:25:46,903 INFO L175 Difference]: Start difference. First operand has 95 places, 168 transitions, 1328 flow. Second operand 6 states and 506 transitions. [2023-08-25 03:25:46,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 51 transitions, 425 flow [2023-08-25 03:25:46,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 51 transitions, 216 flow, removed 49 selfloop flow, removed 42 redundant places. [2023-08-25 03:25:46,906 INFO L231 Difference]: Finished difference. Result has 50 places, 0 transitions, 0 flow [2023-08-25 03:25:46,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=50, PETRI_TRANSITIONS=0} [2023-08-25 03:25:46,907 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 3 predicate places. [2023-08-25 03:25:46,907 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 0 transitions, 0 flow [2023-08-25 03:25:46,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 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 03:25:46,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2023-08-25 03:25:46,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2023-08-25 03:25:46,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-25 03:25:46,911 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:25:46,914 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:25:46,914 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:25:46,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:25:46 BasicIcfg [2023-08-25 03:25:46,916 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:25:46,917 INFO L158 Benchmark]: Toolchain (without parser) took 7836.86ms. Allocated memory was 400.6MB in the beginning and 652.2MB in the end (delta: 251.7MB). Free memory was 375.1MB in the beginning and 446.6MB in the end (delta: -71.5MB). Peak memory consumption was 182.4MB. Max. memory is 16.0GB. [2023-08-25 03:25:46,917 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 400.6MB. Free memory is still 378.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:25:46,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.15ms. Allocated memory is still 400.6MB. Free memory was 374.2MB in the beginning and 335.5MB in the end (delta: 38.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-08-25 03:25:46,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.59ms. Allocated memory is still 400.6MB. Free memory was 335.5MB in the beginning and 332.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:25:46,918 INFO L158 Benchmark]: Boogie Preprocessor took 43.52ms. Allocated memory is still 400.6MB. Free memory was 332.5MB in the beginning and 331.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:25:46,918 INFO L158 Benchmark]: RCFGBuilder took 446.27ms. Allocated memory is still 400.6MB. Free memory was 330.4MB in the beginning and 313.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-08-25 03:25:46,918 INFO L158 Benchmark]: TraceAbstraction took 6657.53ms. Allocated memory was 400.6MB in the beginning and 652.2MB in the end (delta: 251.7MB). Free memory was 312.5MB in the beginning and 446.6MB in the end (delta: -134.1MB). Peak memory consumption was 119.5MB. Max. memory is 16.0GB. [2023-08-25 03:25:46,919 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 400.6MB. Free memory is still 378.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 623.15ms. Allocated memory is still 400.6MB. Free memory was 374.2MB in the beginning and 335.5MB in the end (delta: 38.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 61.59ms. Allocated memory is still 400.6MB. Free memory was 335.5MB in the beginning and 332.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 43.52ms. Allocated memory is still 400.6MB. Free memory was 332.5MB in the beginning and 331.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 446.27ms. Allocated memory is still 400.6MB. Free memory was 330.4MB in the beginning and 313.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 6657.53ms. Allocated memory was 400.6MB in the beginning and 652.2MB in the end (delta: 251.7MB). Free memory was 312.5MB in the beginning and 446.6MB in the end (delta: -134.1MB). Peak memory consumption was 119.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 244]: Unsoundness Warning unspecified type, defaulting to int C: short [244] - GenericResultAtLocation [Line: 1044]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [1044] - GenericResultAtLocation [Line: 1233]: Unsoundness Warning unspecified type, defaulting to int C: unsigned long [1233] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 108 PlacesBefore, 47 PlacesAfterwards, 104 TransitionsBefore, 43 TransitionsAfterwards, 2304 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 73 TotalNumberOfCompositions, 12387 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3722, independent: 3178, independent conditional: 0, independent unconditional: 3178, dependent: 544, dependent conditional: 0, dependent unconditional: 544, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1042, independent: 985, independent conditional: 0, independent unconditional: 985, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3722, independent: 2193, independent conditional: 0, independent unconditional: 2193, dependent: 487, dependent conditional: 0, dependent unconditional: 487, unknown: 1042, unknown conditional: 0, unknown unconditional: 1042] , Statistics on independence cache: Total cache size (in pairs): 177, Positive cache size: 137, Positive conditional cache size: 0, Positive unconditional cache size: 137, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1244]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1245]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1247]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1235]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 140 locations, 13 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: 6.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 416 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 416 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1581 IncrementalHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 103 mSDtfsCounter, 1581 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1357occurred in iteration=6, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 03:25:46,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...