/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 --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 03:30:53,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 03:30:54,052 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 [2023-08-27 03:30:54,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 03:30:54,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 03:30:54,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 03:30:54,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 03:30:54,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 03:30:54,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 03:30:54,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 03:30:54,100 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 03:30:54,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 03:30:54,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 03:30:54,102 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 03:30:54,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 03:30:54,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 03:30:54,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 03:30:54,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 03:30:54,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 03:30:54,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 03:30:54,104 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 03:30:54,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 03:30:54,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 03:30:54,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 03:30:54,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 03:30:54,106 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 03:30:54,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 03:30:54,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 03:30:54,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 03:30:54,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 03:30:54,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 03:30:54,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 03:30:54,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 03:30:54,108 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 03:30:54,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 03:30:54,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 03:30:54,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 03:30:54,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 03:30:54,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 03:30:54,433 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 03:30:54,433 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 03:30:54,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2023-08-27 03:30:55,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 03:30:55,770 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 03:30:55,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2023-08-27 03:30:55,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420f87616/3f2fe66a4aef4a849f428e1e1686f7a7/FLAG6742232b8 [2023-08-27 03:30:55,795 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420f87616/3f2fe66a4aef4a849f428e1e1686f7a7 [2023-08-27 03:30:55,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 03:30:55,798 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 03:30:55,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 03:30:55,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 03:30:55,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 03:30:55,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:30:55" (1/1) ... [2023-08-27 03:30:55,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683fa9c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:55, skipping insertion in model container [2023-08-27 03:30:55,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:30:55" (1/1) ... [2023-08-27 03:30:55,847 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 03:30:56,020 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-27 03:30:56,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 03:30:56,165 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 03:30:56,186 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-27 03:30:56,197 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [265] [2023-08-27 03:30:56,199 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [265] [2023-08-27 03:30:56,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 03:30:56,243 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 03:30:56,243 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 03:30:56,243 WARN L669 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 03:30:56,249 INFO L206 MainTranslator]: Completed translation [2023-08-27 03:30:56,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56 WrapperNode [2023-08-27 03:30:56,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 03:30:56,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 03:30:56,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 03:30:56,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 03:30:56,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,305 INFO L138 Inliner]: procedures = 170, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2023-08-27 03:30:56,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 03:30:56,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 03:30:56,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 03:30:56,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 03:30:56,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 03:30:56,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 03:30:56,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 03:30:56,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 03:30:56,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (1/1) ... [2023-08-27 03:30:56,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 03:30:56,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 03:30:56,378 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) [2023-08-27 03:30:56,401 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 [2023-08-27 03:30:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-27 03:30:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-27 03:30:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 03:30:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-27 03:30:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 03:30:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 03:30:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 03:30:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 03:30:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-27 03:30:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 03:30:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 03:30:56,418 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-27 03:30:56,549 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 03:30:56,552 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 03:30:56,671 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 03:30:56,697 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 03:30:56,697 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-08-27 03:30:56,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:30:56 BoogieIcfgContainer [2023-08-27 03:30:56,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 03:30:56,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 03:30:56,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 03:30:56,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 03:30:56,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 03:30:55" (1/3) ... [2023-08-27 03:30:56,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad13cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 03:30:56, skipping insertion in model container [2023-08-27 03:30:56,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:30:56" (2/3) ... [2023-08-27 03:30:56,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad13cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 03:30:56, skipping insertion in model container [2023-08-27 03:30:56,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:30:56" (3/3) ... [2023-08-27 03:30:56,708 INFO L112 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs.i [2023-08-27 03:30:56,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 03:30:56,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-27 03:30:56,724 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 03:30:56,764 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:30:56,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 71 flow [2023-08-27 03:30:56,844 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2023-08-27 03:30:56,844 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 03:30:56,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 2/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 41 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 22. Up to 4 conditions per place. [2023-08-27 03:30:56,848 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 71 flow [2023-08-27 03:30:56,851 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 27 transitions, 59 flow [2023-08-27 03:30:56,854 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:30:56,870 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 27 transitions, 59 flow [2023-08-27 03:30:56,874 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 27 transitions, 59 flow [2023-08-27 03:30:56,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 27 transitions, 59 flow [2023-08-27 03:30:56,896 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2023-08-27 03:30:56,896 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 03:30:56,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-27 03:30:56,897 INFO L119 LiptonReduction]: Number of co-enabled transitions 98 [2023-08-27 03:30:58,189 INFO L134 LiptonReduction]: Checked pairs total: 83 [2023-08-27 03:30:58,190 INFO L136 LiptonReduction]: Total number of compositions: 25 [2023-08-27 03:30:58,205 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:30:58,212 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:30:58,212 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:30:58,217 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:30:58,218 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-08-27 03:30:58,218 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 03:30:58,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:30:58,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-27 03:30:58,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:30:58,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:30:58,224 INFO L85 PathProgramCache]: Analyzing trace with hash 5024495, now seen corresponding path program 1 times [2023-08-27 03:30:58,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:30:58,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740204473] [2023-08-27 03:30:58,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:30:58,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:30:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:30:58,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:30:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:30:58,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:30:58,350 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:30:58,351 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:30:58,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 03:30:58,353 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:30:58,355 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:30:58,356 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:30:58,356 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-08-27 03:30:58,388 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:30:58,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 41 transitions, 94 flow [2023-08-27 03:30:58,401 INFO L124 PetriNetUnfolderBase]: 3/63 cut-off events. [2023-08-27 03:30:58,402 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-27 03:30:58,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 63 events. 3/63 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2023-08-27 03:30:58,403 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 41 transitions, 94 flow [2023-08-27 03:30:58,403 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 35 transitions, 82 flow [2023-08-27 03:30:58,403 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:30:58,404 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 35 transitions, 82 flow [2023-08-27 03:30:58,404 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 35 transitions, 82 flow [2023-08-27 03:30:58,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 35 transitions, 82 flow [2023-08-27 03:30:58,412 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2023-08-27 03:30:58,413 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-27 03:30:58,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 45 events. 0/45 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 30 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2023-08-27 03:30:58,413 INFO L119 LiptonReduction]: Number of co-enabled transitions 308 [2023-08-27 03:30:59,438 INFO L134 LiptonReduction]: Checked pairs total: 675 [2023-08-27 03:30:59,439 INFO L136 LiptonReduction]: Total number of compositions: 26 [2023-08-27 03:30:59,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:30:59,442 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:30:59,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:30:59,446 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:30:59,446 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2023-08-27 03:30:59,446 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-27 03:30:59,446 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:30:59,446 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1] [2023-08-27 03:30:59,447 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:30:59,447 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:30:59,447 INFO L85 PathProgramCache]: Analyzing trace with hash 573792996, now seen corresponding path program 1 times [2023-08-27 03:30:59,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:30:59,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305461256] [2023-08-27 03:30:59,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:30:59,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:30:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:30:59,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:30:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:30:59,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:30:59,486 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:30:59,486 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:30:59,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-27 03:30:59,486 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:30:59,487 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:30:59,487 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:30:59,487 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-08-27 03:30:59,500 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:30:59,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 49 transitions, 119 flow [2023-08-27 03:30:59,523 INFO L124 PetriNetUnfolderBase]: 4/83 cut-off events. [2023-08-27 03:30:59,523 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-08-27 03:30:59,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 83 events. 4/83 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 110 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 67. Up to 8 conditions per place. [2023-08-27 03:30:59,524 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 49 transitions, 119 flow [2023-08-27 03:30:59,525 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 43 transitions, 107 flow [2023-08-27 03:30:59,525 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:30:59,525 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 43 transitions, 107 flow [2023-08-27 03:30:59,525 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 43 transitions, 107 flow [2023-08-27 03:30:59,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 43 transitions, 107 flow [2023-08-27 03:30:59,534 INFO L124 PetriNetUnfolderBase]: 0/59 cut-off events. [2023-08-27 03:30:59,534 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-08-27 03:30:59,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 59 events. 0/59 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2023-08-27 03:30:59,535 INFO L119 LiptonReduction]: Number of co-enabled transitions 630 [2023-08-27 03:31:00,579 INFO L134 LiptonReduction]: Checked pairs total: 1540 [2023-08-27 03:31:00,580 INFO L136 LiptonReduction]: Total number of compositions: 30 [2023-08-27 03:31:00,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:00,582 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:00,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:00,586 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:00,586 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-08-27 03:31:00,586 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-08-27 03:31:00,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:00,586 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1] [2023-08-27 03:31:00,587 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:00,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:00,587 INFO L85 PathProgramCache]: Analyzing trace with hash 123828849, now seen corresponding path program 1 times [2023-08-27 03:31:00,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:00,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985708715] [2023-08-27 03:31:00,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:00,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:00,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:00,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:00,628 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:00,628 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:00,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-27 03:31:00,629 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:00,629 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:00,629 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:00,629 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-08-27 03:31:00,643 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:00,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 57 transitions, 146 flow [2023-08-27 03:31:00,661 INFO L124 PetriNetUnfolderBase]: 5/103 cut-off events. [2023-08-27 03:31:00,662 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-08-27 03:31:00,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 103 events. 5/103 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 141 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 91. Up to 10 conditions per place. [2023-08-27 03:31:00,662 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 57 transitions, 146 flow [2023-08-27 03:31:00,663 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 51 transitions, 134 flow [2023-08-27 03:31:00,663 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:00,663 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 51 transitions, 134 flow [2023-08-27 03:31:00,663 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 51 transitions, 134 flow [2023-08-27 03:31:00,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 51 transitions, 134 flow [2023-08-27 03:31:00,681 INFO L124 PetriNetUnfolderBase]: 0/73 cut-off events. [2023-08-27 03:31:00,681 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-08-27 03:31:00,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 73 events. 0/73 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 58 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2023-08-27 03:31:00,682 INFO L119 LiptonReduction]: Number of co-enabled transitions 1064 [2023-08-27 03:31:01,837 INFO L134 LiptonReduction]: Checked pairs total: 2941 [2023-08-27 03:31:01,838 INFO L136 LiptonReduction]: Total number of compositions: 34 [2023-08-27 03:31:01,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:01,840 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:01,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:01,844 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:01,845 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2023-08-27 03:31:01,845 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-08-27 03:31:01,845 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:01,845 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:01,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:01,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:01,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1240652473, now seen corresponding path program 1 times [2023-08-27 03:31:01,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:01,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202691603] [2023-08-27 03:31:01,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:01,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:01,873 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:01,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:01,890 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:01,891 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:01,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-27 03:31:01,891 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:01,891 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:01,892 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:01,892 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2023-08-27 03:31:01,912 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:01,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 65 transitions, 175 flow [2023-08-27 03:31:01,950 INFO L124 PetriNetUnfolderBase]: 6/123 cut-off events. [2023-08-27 03:31:01,950 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-08-27 03:31:01,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 123 events. 6/123 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 172 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 116. Up to 12 conditions per place. [2023-08-27 03:31:01,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 65 transitions, 175 flow [2023-08-27 03:31:01,953 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 59 transitions, 163 flow [2023-08-27 03:31:01,953 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:01,954 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 59 transitions, 163 flow [2023-08-27 03:31:01,954 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 59 transitions, 163 flow [2023-08-27 03:31:01,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 59 transitions, 163 flow [2023-08-27 03:31:01,974 INFO L124 PetriNetUnfolderBase]: 0/87 cut-off events. [2023-08-27 03:31:01,974 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-08-27 03:31:01,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 87 events. 0/87 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2023-08-27 03:31:01,976 INFO L119 LiptonReduction]: Number of co-enabled transitions 1610 [2023-08-27 03:31:03,225 INFO L134 LiptonReduction]: Checked pairs total: 4266 [2023-08-27 03:31:03,225 INFO L136 LiptonReduction]: Total number of compositions: 38 [2023-08-27 03:31:03,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:03,227 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:03,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:03,231 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:03,232 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-08-27 03:31:03,232 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-08-27 03:31:03,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:03,232 INFO L208 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:03,232 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:03,232 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:03,233 INFO L85 PathProgramCache]: Analyzing trace with hash 366194697, now seen corresponding path program 1 times [2023-08-27 03:31:03,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:03,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183355873] [2023-08-27 03:31:03,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:03,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:03,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:03,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:03,270 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:03,270 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:03,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-27 03:31:03,270 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:03,271 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:03,271 WARN L233 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:03,271 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2023-08-27 03:31:03,294 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:03,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 73 transitions, 206 flow [2023-08-27 03:31:03,314 INFO L124 PetriNetUnfolderBase]: 7/143 cut-off events. [2023-08-27 03:31:03,314 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2023-08-27 03:31:03,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 143 events. 7/143 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 207 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 144. Up to 14 conditions per place. [2023-08-27 03:31:03,315 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 73 transitions, 206 flow [2023-08-27 03:31:03,316 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 67 transitions, 194 flow [2023-08-27 03:31:03,316 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:03,316 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 67 transitions, 194 flow [2023-08-27 03:31:03,317 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 67 transitions, 194 flow [2023-08-27 03:31:03,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 67 transitions, 194 flow [2023-08-27 03:31:03,329 INFO L124 PetriNetUnfolderBase]: 0/101 cut-off events. [2023-08-27 03:31:03,329 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2023-08-27 03:31:03,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 101 events. 0/101 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2023-08-27 03:31:03,331 INFO L119 LiptonReduction]: Number of co-enabled transitions 2268 [2023-08-27 03:31:04,823 INFO L134 LiptonReduction]: Checked pairs total: 6754 [2023-08-27 03:31:04,823 INFO L136 LiptonReduction]: Total number of compositions: 42 [2023-08-27 03:31:04,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:04,826 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:04,826 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:04,861 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:04,861 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2023-08-27 03:31:04,861 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2023-08-27 03:31:04,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:04,862 INFO L208 CegarLoopForPetriNet]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:04,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:04,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:04,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2124776370, now seen corresponding path program 1 times [2023-08-27 03:31:04,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:04,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600859374] [2023-08-27 03:31:04,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:04,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:04,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:04,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:04,944 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:04,944 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:04,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-27 03:31:04,944 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:04,965 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:04,965 WARN L233 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:04,965 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2023-08-27 03:31:04,987 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:04,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 81 transitions, 239 flow [2023-08-27 03:31:05,005 INFO L124 PetriNetUnfolderBase]: 8/163 cut-off events. [2023-08-27 03:31:05,005 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2023-08-27 03:31:05,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 163 events. 8/163 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 247 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 173. Up to 16 conditions per place. [2023-08-27 03:31:05,006 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 81 transitions, 239 flow [2023-08-27 03:31:05,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 75 transitions, 227 flow [2023-08-27 03:31:05,007 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:05,007 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 75 transitions, 227 flow [2023-08-27 03:31:05,007 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 75 transitions, 227 flow [2023-08-27 03:31:05,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 75 transitions, 227 flow [2023-08-27 03:31:05,021 INFO L124 PetriNetUnfolderBase]: 0/115 cut-off events. [2023-08-27 03:31:05,021 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2023-08-27 03:31:05,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 115 events. 0/115 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 104 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2023-08-27 03:31:05,025 INFO L119 LiptonReduction]: Number of co-enabled transitions 3038 [2023-08-27 03:31:06,565 INFO L134 LiptonReduction]: Checked pairs total: 8361 [2023-08-27 03:31:06,565 INFO L136 LiptonReduction]: Total number of compositions: 46 [2023-08-27 03:31:06,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:06,567 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:06,567 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:06,573 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:06,573 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2023-08-27 03:31:06,573 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2023-08-27 03:31:06,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:06,573 INFO L208 CegarLoopForPetriNet]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:06,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:06,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:06,574 INFO L85 PathProgramCache]: Analyzing trace with hash -714677485, now seen corresponding path program 1 times [2023-08-27 03:31:06,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:06,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438815930] [2023-08-27 03:31:06,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:06,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:06,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:06,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:06,645 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:06,645 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:06,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-27 03:31:06,646 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:06,646 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:06,646 WARN L233 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:06,646 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2023-08-27 03:31:06,675 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:06,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 89 transitions, 274 flow [2023-08-27 03:31:06,701 INFO L124 PetriNetUnfolderBase]: 9/183 cut-off events. [2023-08-27 03:31:06,701 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-08-27 03:31:06,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 183 events. 9/183 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 274 event pairs, 0 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 203. Up to 18 conditions per place. [2023-08-27 03:31:06,704 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 89 transitions, 274 flow [2023-08-27 03:31:06,705 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 83 transitions, 262 flow [2023-08-27 03:31:06,705 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:06,705 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 83 transitions, 262 flow [2023-08-27 03:31:06,705 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 83 transitions, 262 flow [2023-08-27 03:31:06,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 83 transitions, 262 flow [2023-08-27 03:31:06,719 INFO L124 PetriNetUnfolderBase]: 0/129 cut-off events. [2023-08-27 03:31:06,720 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-08-27 03:31:06,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 129 events. 0/129 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 117 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2023-08-27 03:31:06,722 INFO L119 LiptonReduction]: Number of co-enabled transitions 3920 [2023-08-27 03:31:08,295 INFO L134 LiptonReduction]: Checked pairs total: 12336 [2023-08-27 03:31:08,295 INFO L136 LiptonReduction]: Total number of compositions: 50 [2023-08-27 03:31:08,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:08,297 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:08,297 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:08,303 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:08,303 INFO L124 PetriNetUnfolderBase]: 0/56 cut-off events. [2023-08-27 03:31:08,303 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-08-27 03:31:08,303 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:08,304 INFO L208 CegarLoopForPetriNet]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:08,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:08,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:08,304 INFO L85 PathProgramCache]: Analyzing trace with hash 321322595, now seen corresponding path program 1 times [2023-08-27 03:31:08,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:08,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720791025] [2023-08-27 03:31:08,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:08,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:08,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:08,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:08,341 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:08,341 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:08,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-27 03:31:08,342 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:08,342 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:08,342 WARN L233 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:08,342 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances. [2023-08-27 03:31:08,361 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:08,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 97 transitions, 311 flow [2023-08-27 03:31:08,381 INFO L124 PetriNetUnfolderBase]: 10/203 cut-off events. [2023-08-27 03:31:08,381 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2023-08-27 03:31:08,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 203 events. 10/203 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 334 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 234. Up to 20 conditions per place. [2023-08-27 03:31:08,382 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 97 transitions, 311 flow [2023-08-27 03:31:08,383 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 91 transitions, 299 flow [2023-08-27 03:31:08,383 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:08,383 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 91 transitions, 299 flow [2023-08-27 03:31:08,383 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 91 transitions, 299 flow [2023-08-27 03:31:08,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 91 transitions, 299 flow [2023-08-27 03:31:08,396 INFO L124 PetriNetUnfolderBase]: 0/143 cut-off events. [2023-08-27 03:31:08,396 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2023-08-27 03:31:08,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 143 events. 0/143 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 132 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2023-08-27 03:31:08,399 INFO L119 LiptonReduction]: Number of co-enabled transitions 4914 [2023-08-27 03:31:10,060 INFO L134 LiptonReduction]: Checked pairs total: 14080 [2023-08-27 03:31:10,061 INFO L136 LiptonReduction]: Total number of compositions: 54 [2023-08-27 03:31:10,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:10,062 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:10,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:10,069 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:10,070 INFO L124 PetriNetUnfolderBase]: 0/63 cut-off events. [2023-08-27 03:31:10,070 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2023-08-27 03:31:10,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:10,070 INFO L208 CegarLoopForPetriNet]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:10,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:10,070 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:10,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1712144428, now seen corresponding path program 1 times [2023-08-27 03:31:10,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:10,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422948146] [2023-08-27 03:31:10,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:10,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:10,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:10,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:10,126 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:10,126 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:10,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-27 03:31:10,126 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:10,127 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:10,127 WARN L233 ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:10,127 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances. [2023-08-27 03:31:10,163 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:10,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 105 transitions, 350 flow [2023-08-27 03:31:10,210 INFO L124 PetriNetUnfolderBase]: 11/223 cut-off events. [2023-08-27 03:31:10,211 INFO L125 PetriNetUnfolderBase]: For 210/210 co-relation queries the response was YES. [2023-08-27 03:31:10,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 223 events. 11/223 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 366 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 266. Up to 22 conditions per place. [2023-08-27 03:31:10,212 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 105 transitions, 350 flow [2023-08-27 03:31:10,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 99 transitions, 338 flow [2023-08-27 03:31:10,213 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:10,213 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 99 transitions, 338 flow [2023-08-27 03:31:10,213 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 99 transitions, 338 flow [2023-08-27 03:31:10,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 99 transitions, 338 flow [2023-08-27 03:31:10,229 INFO L124 PetriNetUnfolderBase]: 0/157 cut-off events. [2023-08-27 03:31:10,230 INFO L125 PetriNetUnfolderBase]: For 210/210 co-relation queries the response was YES. [2023-08-27 03:31:10,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 157 events. 0/157 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 147 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2023-08-27 03:31:10,235 INFO L119 LiptonReduction]: Number of co-enabled transitions 6020 [2023-08-27 03:31:11,884 INFO L134 LiptonReduction]: Checked pairs total: 17442 [2023-08-27 03:31:11,885 INFO L136 LiptonReduction]: Total number of compositions: 58 [2023-08-27 03:31:11,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:11,886 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:11,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:11,894 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:11,894 INFO L124 PetriNetUnfolderBase]: 0/71 cut-off events. [2023-08-27 03:31:11,894 INFO L125 PetriNetUnfolderBase]: For 210/210 co-relation queries the response was YES. [2023-08-27 03:31:11,894 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:11,894 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:11,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:11,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:11,894 INFO L85 PathProgramCache]: Analyzing trace with hash -84157352, now seen corresponding path program 1 times [2023-08-27 03:31:11,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:11,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601000923] [2023-08-27 03:31:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:11,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:11,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:11,927 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:11,927 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:11,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-27 03:31:11,927 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:11,928 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:11,928 WARN L233 ceAbstractionStarter]: 10 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:11,928 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 11 thread instances. [2023-08-27 03:31:11,950 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:11,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 113 transitions, 391 flow [2023-08-27 03:31:11,973 INFO L124 PetriNetUnfolderBase]: 12/243 cut-off events. [2023-08-27 03:31:11,973 INFO L125 PetriNetUnfolderBase]: For 275/275 co-relation queries the response was YES. [2023-08-27 03:31:11,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 243 events. 12/243 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 398 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 299. Up to 24 conditions per place. [2023-08-27 03:31:11,975 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 113 transitions, 391 flow [2023-08-27 03:31:11,976 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 107 transitions, 379 flow [2023-08-27 03:31:11,976 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:11,976 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 107 transitions, 379 flow [2023-08-27 03:31:11,976 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 107 transitions, 379 flow [2023-08-27 03:31:11,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 107 transitions, 379 flow [2023-08-27 03:31:11,993 INFO L124 PetriNetUnfolderBase]: 0/171 cut-off events. [2023-08-27 03:31:11,994 INFO L125 PetriNetUnfolderBase]: For 275/275 co-relation queries the response was YES. [2023-08-27 03:31:11,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 171 events. 0/171 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 159 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2023-08-27 03:31:11,999 INFO L119 LiptonReduction]: Number of co-enabled transitions 7238 [2023-08-27 03:31:13,839 INFO L134 LiptonReduction]: Checked pairs total: 20955 [2023-08-27 03:31:13,839 INFO L136 LiptonReduction]: Total number of compositions: 62 [2023-08-27 03:31:13,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:13,840 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:13,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:13,848 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:13,849 INFO L124 PetriNetUnfolderBase]: 0/77 cut-off events. [2023-08-27 03:31:13,849 INFO L125 PetriNetUnfolderBase]: For 275/275 co-relation queries the response was YES. [2023-08-27 03:31:13,849 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:13,849 INFO L208 CegarLoopForPetriNet]: trace histogram [11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:13,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:13,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:13,851 INFO L85 PathProgramCache]: Analyzing trace with hash -449087884, now seen corresponding path program 1 times [2023-08-27 03:31:13,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:13,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155841651] [2023-08-27 03:31:13,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:13,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:13,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:13,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:13,907 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:13,907 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:13,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-27 03:31:13,908 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:13,918 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:13,918 WARN L233 ceAbstractionStarter]: 11 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:13,919 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 12 thread instances. [2023-08-27 03:31:13,954 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:13,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 121 transitions, 434 flow [2023-08-27 03:31:13,982 INFO L124 PetriNetUnfolderBase]: 13/263 cut-off events. [2023-08-27 03:31:13,982 INFO L125 PetriNetUnfolderBase]: For 352/352 co-relation queries the response was YES. [2023-08-27 03:31:13,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 263 events. 13/263 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 434 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 333. Up to 26 conditions per place. [2023-08-27 03:31:13,984 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 121 transitions, 434 flow [2023-08-27 03:31:13,984 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 115 transitions, 422 flow [2023-08-27 03:31:13,985 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:13,985 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 115 transitions, 422 flow [2023-08-27 03:31:13,985 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 115 transitions, 422 flow [2023-08-27 03:31:13,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 115 transitions, 422 flow [2023-08-27 03:31:14,005 INFO L124 PetriNetUnfolderBase]: 0/185 cut-off events. [2023-08-27 03:31:14,005 INFO L125 PetriNetUnfolderBase]: For 352/352 co-relation queries the response was YES. [2023-08-27 03:31:14,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 185 events. 0/185 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 174 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2023-08-27 03:31:14,013 INFO L119 LiptonReduction]: Number of co-enabled transitions 8568 [2023-08-27 03:31:15,895 INFO L134 LiptonReduction]: Checked pairs total: 24325 [2023-08-27 03:31:15,895 INFO L136 LiptonReduction]: Total number of compositions: 66 [2023-08-27 03:31:15,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:15,896 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:15,896 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:15,905 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:15,905 INFO L124 PetriNetUnfolderBase]: 0/84 cut-off events. [2023-08-27 03:31:15,905 INFO L125 PetriNetUnfolderBase]: For 352/352 co-relation queries the response was YES. [2023-08-27 03:31:15,905 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:15,905 INFO L208 CegarLoopForPetriNet]: trace histogram [12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:15,906 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:15,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:15,906 INFO L85 PathProgramCache]: Analyzing trace with hash 188812621, now seen corresponding path program 1 times [2023-08-27 03:31:15,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:15,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877875929] [2023-08-27 03:31:15,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:15,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:15,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:15,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:15,955 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:15,955 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:15,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-27 03:31:15,955 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:15,955 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:15,956 WARN L233 ceAbstractionStarter]: 12 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:15,956 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 13 thread instances. [2023-08-27 03:31:15,984 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:15,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 155 places, 129 transitions, 479 flow [2023-08-27 03:31:16,014 INFO L124 PetriNetUnfolderBase]: 14/283 cut-off events. [2023-08-27 03:31:16,015 INFO L125 PetriNetUnfolderBase]: For 442/442 co-relation queries the response was YES. [2023-08-27 03:31:16,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 283 events. 14/283 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 468 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 368. Up to 28 conditions per place. [2023-08-27 03:31:16,017 INFO L82 GeneralOperation]: Start removeDead. Operand has 155 places, 129 transitions, 479 flow [2023-08-27 03:31:16,018 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 123 transitions, 467 flow [2023-08-27 03:31:16,018 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:16,018 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 123 transitions, 467 flow [2023-08-27 03:31:16,018 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 123 transitions, 467 flow [2023-08-27 03:31:16,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 123 transitions, 467 flow [2023-08-27 03:31:16,040 INFO L124 PetriNetUnfolderBase]: 0/199 cut-off events. [2023-08-27 03:31:16,040 INFO L125 PetriNetUnfolderBase]: For 442/442 co-relation queries the response was YES. [2023-08-27 03:31:16,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 199 events. 0/199 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 189 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2023-08-27 03:31:16,045 INFO L119 LiptonReduction]: Number of co-enabled transitions 10010 [2023-08-27 03:31:18,106 INFO L134 LiptonReduction]: Checked pairs total: 32485 [2023-08-27 03:31:18,107 INFO L136 LiptonReduction]: Total number of compositions: 70 [2023-08-27 03:31:18,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:18,109 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:18,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:18,119 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:18,120 INFO L124 PetriNetUnfolderBase]: 0/91 cut-off events. [2023-08-27 03:31:18,120 INFO L125 PetriNetUnfolderBase]: For 442/442 co-relation queries the response was YES. [2023-08-27 03:31:18,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:18,120 INFO L208 CegarLoopForPetriNet]: trace histogram [13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:18,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:18,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1629576532, now seen corresponding path program 1 times [2023-08-27 03:31:18,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:18,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588288014] [2023-08-27 03:31:18,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:18,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:18,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:18,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:18,157 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:18,157 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:18,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-27 03:31:18,158 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:18,158 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:18,158 WARN L233 ceAbstractionStarter]: 13 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:18,158 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 14 thread instances. [2023-08-27 03:31:18,184 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:18,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 165 places, 137 transitions, 526 flow [2023-08-27 03:31:18,257 INFO L124 PetriNetUnfolderBase]: 15/303 cut-off events. [2023-08-27 03:31:18,257 INFO L125 PetriNetUnfolderBase]: For 546/546 co-relation queries the response was YES. [2023-08-27 03:31:18,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 303 events. 15/303 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 499 event pairs, 0 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 404. Up to 30 conditions per place. [2023-08-27 03:31:18,260 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 137 transitions, 526 flow [2023-08-27 03:31:18,260 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 160 places, 131 transitions, 514 flow [2023-08-27 03:31:18,260 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:18,261 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 131 transitions, 514 flow [2023-08-27 03:31:18,261 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 131 transitions, 514 flow [2023-08-27 03:31:18,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 160 places, 131 transitions, 514 flow [2023-08-27 03:31:18,290 INFO L124 PetriNetUnfolderBase]: 0/213 cut-off events. [2023-08-27 03:31:18,290 INFO L125 PetriNetUnfolderBase]: For 546/546 co-relation queries the response was YES. [2023-08-27 03:31:18,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 213 events. 0/213 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 202 event pairs, 0 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2023-08-27 03:31:18,295 INFO L119 LiptonReduction]: Number of co-enabled transitions 11564 [2023-08-27 03:31:20,393 INFO L134 LiptonReduction]: Checked pairs total: 34446 [2023-08-27 03:31:20,393 INFO L136 LiptonReduction]: Total number of compositions: 74 [2023-08-27 03:31:20,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:20,394 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:20,394 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:20,405 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:20,405 INFO L124 PetriNetUnfolderBase]: 0/99 cut-off events. [2023-08-27 03:31:20,405 INFO L125 PetriNetUnfolderBase]: For 546/546 co-relation queries the response was YES. [2023-08-27 03:31:20,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:20,405 INFO L208 CegarLoopForPetriNet]: trace histogram [14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:20,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:20,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:20,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1459700226, now seen corresponding path program 1 times [2023-08-27 03:31:20,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:20,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800196701] [2023-08-27 03:31:20,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:20,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:20,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:20,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:20,443 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:20,443 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:20,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-27 03:31:20,443 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:20,444 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:20,444 WARN L233 ceAbstractionStarter]: 14 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:20,444 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 15 thread instances. [2023-08-27 03:31:20,475 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:20,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 175 places, 145 transitions, 575 flow [2023-08-27 03:31:20,516 INFO L124 PetriNetUnfolderBase]: 16/323 cut-off events. [2023-08-27 03:31:20,516 INFO L125 PetriNetUnfolderBase]: For 665/665 co-relation queries the response was YES. [2023-08-27 03:31:20,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 323 events. 16/323 cut-off events. For 665/665 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 541 event pairs, 0 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 441. Up to 32 conditions per place. [2023-08-27 03:31:20,519 INFO L82 GeneralOperation]: Start removeDead. Operand has 175 places, 145 transitions, 575 flow [2023-08-27 03:31:20,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 170 places, 139 transitions, 563 flow [2023-08-27 03:31:20,520 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:20,520 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 139 transitions, 563 flow [2023-08-27 03:31:20,520 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 139 transitions, 563 flow [2023-08-27 03:31:20,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 139 transitions, 563 flow [2023-08-27 03:31:20,548 INFO L124 PetriNetUnfolderBase]: 0/227 cut-off events. [2023-08-27 03:31:20,548 INFO L125 PetriNetUnfolderBase]: For 665/665 co-relation queries the response was YES. [2023-08-27 03:31:20,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 227 events. 0/227 cut-off events. For 665/665 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 220 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2023-08-27 03:31:20,554 INFO L119 LiptonReduction]: Number of co-enabled transitions 13230 [2023-08-27 03:31:22,710 INFO L134 LiptonReduction]: Checked pairs total: 38235 [2023-08-27 03:31:22,710 INFO L136 LiptonReduction]: Total number of compositions: 78 [2023-08-27 03:31:22,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:22,711 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:22,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:22,721 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:22,721 INFO L124 PetriNetUnfolderBase]: 0/105 cut-off events. [2023-08-27 03:31:22,721 INFO L125 PetriNetUnfolderBase]: For 665/665 co-relation queries the response was YES. [2023-08-27 03:31:22,721 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:22,721 INFO L208 CegarLoopForPetriNet]: trace histogram [15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:22,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:22,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:22,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1979279702, now seen corresponding path program 1 times [2023-08-27 03:31:22,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:22,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702630453] [2023-08-27 03:31:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:22,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:22,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:22,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:22,760 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:22,762 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:22,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-27 03:31:22,762 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:22,762 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:22,762 WARN L233 ceAbstractionStarter]: 15 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:22,762 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 16 thread instances. [2023-08-27 03:31:22,791 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:22,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 185 places, 153 transitions, 626 flow [2023-08-27 03:31:22,834 INFO L124 PetriNetUnfolderBase]: 17/343 cut-off events. [2023-08-27 03:31:22,834 INFO L125 PetriNetUnfolderBase]: For 800/800 co-relation queries the response was YES. [2023-08-27 03:31:22,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 343 events. 17/343 cut-off events. For 800/800 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 575 event pairs, 0 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 479. Up to 34 conditions per place. [2023-08-27 03:31:22,838 INFO L82 GeneralOperation]: Start removeDead. Operand has 185 places, 153 transitions, 626 flow [2023-08-27 03:31:22,839 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 147 transitions, 614 flow [2023-08-27 03:31:22,839 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:22,839 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 180 places, 147 transitions, 614 flow [2023-08-27 03:31:22,839 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 180 places, 147 transitions, 614 flow [2023-08-27 03:31:22,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 180 places, 147 transitions, 614 flow [2023-08-27 03:31:22,869 INFO L124 PetriNetUnfolderBase]: 0/241 cut-off events. [2023-08-27 03:31:22,870 INFO L125 PetriNetUnfolderBase]: For 800/800 co-relation queries the response was YES. [2023-08-27 03:31:22,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 241 events. 0/241 cut-off events. For 800/800 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 232 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place. [2023-08-27 03:31:22,876 INFO L119 LiptonReduction]: Number of co-enabled transitions 15008 [2023-08-27 03:31:25,479 INFO L134 LiptonReduction]: Checked pairs total: 44244 [2023-08-27 03:31:25,479 INFO L136 LiptonReduction]: Total number of compositions: 82 [2023-08-27 03:31:25,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:25,481 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:25,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:25,492 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:25,492 INFO L124 PetriNetUnfolderBase]: 0/112 cut-off events. [2023-08-27 03:31:25,492 INFO L125 PetriNetUnfolderBase]: For 800/800 co-relation queries the response was YES. [2023-08-27 03:31:25,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:25,493 INFO L208 CegarLoopForPetriNet]: trace histogram [16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:25,493 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:25,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:25,493 INFO L85 PathProgramCache]: Analyzing trace with hash -968860361, now seen corresponding path program 1 times [2023-08-27 03:31:25,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:25,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875490666] [2023-08-27 03:31:25,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:25,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:25,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:25,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:25,537 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:25,537 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:25,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-27 03:31:25,537 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:25,537 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:25,538 WARN L233 ceAbstractionStarter]: 16 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:25,538 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 17 thread instances. [2023-08-27 03:31:25,568 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:25,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 161 transitions, 679 flow [2023-08-27 03:31:25,619 INFO L124 PetriNetUnfolderBase]: 18/363 cut-off events. [2023-08-27 03:31:25,619 INFO L125 PetriNetUnfolderBase]: For 952/952 co-relation queries the response was YES. [2023-08-27 03:31:25,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 363 events. 18/363 cut-off events. For 952/952 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 602 event pairs, 0 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 518. Up to 36 conditions per place. [2023-08-27 03:31:25,624 INFO L82 GeneralOperation]: Start removeDead. Operand has 195 places, 161 transitions, 679 flow [2023-08-27 03:31:25,625 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 155 transitions, 667 flow [2023-08-27 03:31:25,625 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:25,625 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 155 transitions, 667 flow [2023-08-27 03:31:25,625 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 155 transitions, 667 flow [2023-08-27 03:31:25,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 155 transitions, 667 flow [2023-08-27 03:31:25,660 INFO L124 PetriNetUnfolderBase]: 0/255 cut-off events. [2023-08-27 03:31:25,660 INFO L125 PetriNetUnfolderBase]: For 952/952 co-relation queries the response was YES. [2023-08-27 03:31:25,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 255 events. 0/255 cut-off events. For 952/952 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 246 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 0. Up to 18 conditions per place. [2023-08-27 03:31:25,668 INFO L119 LiptonReduction]: Number of co-enabled transitions 16898 [2023-08-27 03:31:28,041 INFO L134 LiptonReduction]: Checked pairs total: 49325 [2023-08-27 03:31:28,042 INFO L136 LiptonReduction]: Total number of compositions: 86 [2023-08-27 03:31:28,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:28,043 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:28,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:28,057 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:28,057 INFO L124 PetriNetUnfolderBase]: 0/119 cut-off events. [2023-08-27 03:31:28,058 INFO L125 PetriNetUnfolderBase]: For 952/952 co-relation queries the response was YES. [2023-08-27 03:31:28,058 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:28,058 INFO L208 CegarLoopForPetriNet]: trace histogram [17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:28,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:28,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:28,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1614699407, now seen corresponding path program 1 times [2023-08-27 03:31:28,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:28,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545567804] [2023-08-27 03:31:28,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:28,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:28,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:28,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:28,100 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:28,100 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:28,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-27 03:31:28,100 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:28,100 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:28,100 WARN L233 ceAbstractionStarter]: 17 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:28,100 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 18 thread instances. [2023-08-27 03:31:28,132 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:28,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 169 transitions, 734 flow [2023-08-27 03:31:28,184 INFO L124 PetriNetUnfolderBase]: 19/383 cut-off events. [2023-08-27 03:31:28,184 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2023-08-27 03:31:28,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 383 events. 19/383 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 659 event pairs, 0 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 558. Up to 38 conditions per place. [2023-08-27 03:31:28,188 INFO L82 GeneralOperation]: Start removeDead. Operand has 205 places, 169 transitions, 734 flow [2023-08-27 03:31:28,189 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 163 transitions, 722 flow [2023-08-27 03:31:28,189 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:28,190 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 163 transitions, 722 flow [2023-08-27 03:31:28,190 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 163 transitions, 722 flow [2023-08-27 03:31:28,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 200 places, 163 transitions, 722 flow [2023-08-27 03:31:28,226 INFO L124 PetriNetUnfolderBase]: 0/269 cut-off events. [2023-08-27 03:31:28,226 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2023-08-27 03:31:28,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 269 events. 0/269 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 267 event pairs, 0 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2023-08-27 03:31:28,235 INFO L119 LiptonReduction]: Number of co-enabled transitions 18900 [2023-08-27 03:31:30,766 INFO L134 LiptonReduction]: Checked pairs total: 55210 [2023-08-27 03:31:30,767 INFO L136 LiptonReduction]: Total number of compositions: 90 [2023-08-27 03:31:30,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:30,768 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:30,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:30,783 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:30,783 INFO L124 PetriNetUnfolderBase]: 0/126 cut-off events. [2023-08-27 03:31:30,783 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2023-08-27 03:31:30,783 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:30,783 INFO L208 CegarLoopForPetriNet]: trace histogram [18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:30,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:30,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:30,784 INFO L85 PathProgramCache]: Analyzing trace with hash -14193108, now seen corresponding path program 1 times [2023-08-27 03:31:30,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:30,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696228266] [2023-08-27 03:31:30,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:30,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:30,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:30,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:30,824 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:30,824 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:30,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-27 03:31:30,824 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:30,825 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:30,825 WARN L233 ceAbstractionStarter]: 18 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:30,825 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 19 thread instances. [2023-08-27 03:31:30,858 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:30,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 215 places, 177 transitions, 791 flow [2023-08-27 03:31:30,914 INFO L124 PetriNetUnfolderBase]: 20/403 cut-off events. [2023-08-27 03:31:30,915 INFO L125 PetriNetUnfolderBase]: For 1311/1311 co-relation queries the response was YES. [2023-08-27 03:31:30,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 403 events. 20/403 cut-off events. For 1311/1311 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 701 event pairs, 0 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 599. Up to 40 conditions per place. [2023-08-27 03:31:30,919 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 177 transitions, 791 flow [2023-08-27 03:31:30,920 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 210 places, 171 transitions, 779 flow [2023-08-27 03:31:30,920 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:30,920 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 171 transitions, 779 flow [2023-08-27 03:31:30,921 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 171 transitions, 779 flow [2023-08-27 03:31:30,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 171 transitions, 779 flow [2023-08-27 03:31:31,032 INFO L124 PetriNetUnfolderBase]: 0/283 cut-off events. [2023-08-27 03:31:31,033 INFO L125 PetriNetUnfolderBase]: For 1311/1311 co-relation queries the response was YES. [2023-08-27 03:31:31,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 283 events. 0/283 cut-off events. For 1311/1311 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 281 event pairs, 0 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2023-08-27 03:31:31,044 INFO L119 LiptonReduction]: Number of co-enabled transitions 21014 [2023-08-27 03:31:33,796 INFO L134 LiptonReduction]: Checked pairs total: 68805 [2023-08-27 03:31:33,797 INFO L136 LiptonReduction]: Total number of compositions: 94 [2023-08-27 03:31:33,798 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:33,798 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:33,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:33,815 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:33,816 INFO L124 PetriNetUnfolderBase]: 0/134 cut-off events. [2023-08-27 03:31:33,816 INFO L125 PetriNetUnfolderBase]: For 1311/1311 co-relation queries the response was YES. [2023-08-27 03:31:33,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:33,816 INFO L208 CegarLoopForPetriNet]: trace histogram [19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:33,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:33,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:33,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1755760759, now seen corresponding path program 1 times [2023-08-27 03:31:33,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:33,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249270685] [2023-08-27 03:31:33,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:33,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:33,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:33,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:33,863 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:33,863 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:33,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-27 03:31:33,863 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:33,863 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:33,864 WARN L233 ceAbstractionStarter]: 19 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:33,864 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 20 thread instances. [2023-08-27 03:31:33,901 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:33,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 225 places, 185 transitions, 850 flow [2023-08-27 03:31:33,962 INFO L124 PetriNetUnfolderBase]: 21/423 cut-off events. [2023-08-27 03:31:33,962 INFO L125 PetriNetUnfolderBase]: For 1520/1520 co-relation queries the response was YES. [2023-08-27 03:31:33,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 423 events. 21/423 cut-off events. For 1520/1520 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 723 event pairs, 0 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 641. Up to 42 conditions per place. [2023-08-27 03:31:33,967 INFO L82 GeneralOperation]: Start removeDead. Operand has 225 places, 185 transitions, 850 flow [2023-08-27 03:31:33,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 220 places, 179 transitions, 838 flow [2023-08-27 03:31:33,968 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:33,969 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 179 transitions, 838 flow [2023-08-27 03:31:33,969 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 179 transitions, 838 flow [2023-08-27 03:31:33,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 220 places, 179 transitions, 838 flow [2023-08-27 03:31:34,040 INFO L124 PetriNetUnfolderBase]: 0/297 cut-off events. [2023-08-27 03:31:34,041 INFO L125 PetriNetUnfolderBase]: For 1520/1520 co-relation queries the response was YES. [2023-08-27 03:31:34,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 297 events. 0/297 cut-off events. For 1520/1520 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 293 event pairs, 0 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2023-08-27 03:31:34,049 INFO L119 LiptonReduction]: Number of co-enabled transitions 23240 [2023-08-27 03:31:36,733 INFO L134 LiptonReduction]: Checked pairs total: 77200 [2023-08-27 03:31:36,733 INFO L136 LiptonReduction]: Total number of compositions: 98 [2023-08-27 03:31:36,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:36,735 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:36,735 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:36,753 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:36,754 INFO L124 PetriNetUnfolderBase]: 0/140 cut-off events. [2023-08-27 03:31:36,754 INFO L125 PetriNetUnfolderBase]: For 1520/1520 co-relation queries the response was YES. [2023-08-27 03:31:36,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:36,754 INFO L208 CegarLoopForPetriNet]: trace histogram [20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:36,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:36,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:36,754 INFO L85 PathProgramCache]: Analyzing trace with hash -335689951, now seen corresponding path program 1 times [2023-08-27 03:31:36,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:36,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754332789] [2023-08-27 03:31:36,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:36,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:36,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:36,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:36,807 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:36,807 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:36,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-27 03:31:36,807 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:36,808 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:36,809 WARN L233 ceAbstractionStarter]: 20 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:36,809 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 21 thread instances. [2023-08-27 03:31:36,847 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:36,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 235 places, 193 transitions, 911 flow [2023-08-27 03:31:36,917 INFO L124 PetriNetUnfolderBase]: 22/443 cut-off events. [2023-08-27 03:31:36,918 INFO L125 PetriNetUnfolderBase]: For 1750/1750 co-relation queries the response was YES. [2023-08-27 03:31:36,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 443 events. 22/443 cut-off events. For 1750/1750 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 702 event pairs, 0 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 684. Up to 44 conditions per place. [2023-08-27 03:31:36,925 INFO L82 GeneralOperation]: Start removeDead. Operand has 235 places, 193 transitions, 911 flow [2023-08-27 03:31:36,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 230 places, 187 transitions, 899 flow [2023-08-27 03:31:36,961 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:36,961 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 187 transitions, 899 flow [2023-08-27 03:31:36,961 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 187 transitions, 899 flow [2023-08-27 03:31:36,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 230 places, 187 transitions, 899 flow [2023-08-27 03:31:37,011 INFO L124 PetriNetUnfolderBase]: 0/311 cut-off events. [2023-08-27 03:31:37,012 INFO L125 PetriNetUnfolderBase]: For 1750/1750 co-relation queries the response was YES. [2023-08-27 03:31:37,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 311 events. 0/311 cut-off events. For 1750/1750 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 296 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 0. Up to 22 conditions per place. [2023-08-27 03:31:37,023 INFO L119 LiptonReduction]: Number of co-enabled transitions 25578 [2023-08-27 03:31:39,780 INFO L134 LiptonReduction]: Checked pairs total: 77620 [2023-08-27 03:31:39,780 INFO L136 LiptonReduction]: Total number of compositions: 102 [2023-08-27 03:31:39,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:39,781 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:39,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:39,800 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:39,801 INFO L124 PetriNetUnfolderBase]: 0/147 cut-off events. [2023-08-27 03:31:39,801 INFO L125 PetriNetUnfolderBase]: For 1750/1750 co-relation queries the response was YES. [2023-08-27 03:31:39,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:39,801 INFO L208 CegarLoopForPetriNet]: trace histogram [21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:39,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:39,801 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:39,801 INFO L85 PathProgramCache]: Analyzing trace with hash -628374639, now seen corresponding path program 1 times [2023-08-27 03:31:39,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:39,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111126691] [2023-08-27 03:31:39,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:39,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:39,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:39,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:39,857 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:39,857 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:39,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-27 03:31:39,857 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:39,858 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:39,858 WARN L233 ceAbstractionStarter]: 21 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:39,858 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 22 thread instances. [2023-08-27 03:31:39,896 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:39,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 201 transitions, 974 flow [2023-08-27 03:31:40,030 INFO L124 PetriNetUnfolderBase]: 23/463 cut-off events. [2023-08-27 03:31:40,031 INFO L125 PetriNetUnfolderBase]: For 2002/2002 co-relation queries the response was YES. [2023-08-27 03:31:40,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 783 conditions, 463 events. 23/463 cut-off events. For 2002/2002 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 782 event pairs, 0 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 728. Up to 46 conditions per place. [2023-08-27 03:31:40,037 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 201 transitions, 974 flow [2023-08-27 03:31:40,038 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 240 places, 195 transitions, 962 flow [2023-08-27 03:31:40,038 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:40,038 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 195 transitions, 962 flow [2023-08-27 03:31:40,038 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 195 transitions, 962 flow [2023-08-27 03:31:40,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 195 transitions, 962 flow [2023-08-27 03:31:40,085 INFO L124 PetriNetUnfolderBase]: 0/325 cut-off events. [2023-08-27 03:31:40,085 INFO L125 PetriNetUnfolderBase]: For 2002/2002 co-relation queries the response was YES. [2023-08-27 03:31:40,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 325 events. 0/325 cut-off events. For 2002/2002 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 314 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 0. Up to 23 conditions per place. [2023-08-27 03:31:40,094 INFO L119 LiptonReduction]: Number of co-enabled transitions 28028 [2023-08-27 03:31:42,907 INFO L134 LiptonReduction]: Checked pairs total: 84111 [2023-08-27 03:31:42,907 INFO L136 LiptonReduction]: Total number of compositions: 106 [2023-08-27 03:31:42,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:42,908 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:42,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:42,923 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:42,923 INFO L124 PetriNetUnfolderBase]: 0/155 cut-off events. [2023-08-27 03:31:42,923 INFO L125 PetriNetUnfolderBase]: For 2002/2002 co-relation queries the response was YES. [2023-08-27 03:31:42,923 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:42,923 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:42,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:42,923 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:42,923 INFO L85 PathProgramCache]: Analyzing trace with hash 2044618038, now seen corresponding path program 1 times [2023-08-27 03:31:42,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:42,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102121311] [2023-08-27 03:31:42,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:42,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:42,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:43,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:43,010 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:43,011 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:43,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-27 03:31:43,011 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:43,011 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:43,011 WARN L233 ceAbstractionStarter]: 22 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:43,011 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 23 thread instances. [2023-08-27 03:31:43,058 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:43,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 255 places, 209 transitions, 1039 flow [2023-08-27 03:31:43,148 INFO L124 PetriNetUnfolderBase]: 24/483 cut-off events. [2023-08-27 03:31:43,148 INFO L125 PetriNetUnfolderBase]: For 2277/2277 co-relation queries the response was YES. [2023-08-27 03:31:43,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 483 events. 24/483 cut-off events. For 2277/2277 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 775 event pairs, 0 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 773. Up to 48 conditions per place. [2023-08-27 03:31:43,156 INFO L82 GeneralOperation]: Start removeDead. Operand has 255 places, 209 transitions, 1039 flow [2023-08-27 03:31:43,158 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 250 places, 203 transitions, 1027 flow [2023-08-27 03:31:43,158 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:43,158 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 203 transitions, 1027 flow [2023-08-27 03:31:43,158 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 203 transitions, 1027 flow [2023-08-27 03:31:43,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 250 places, 203 transitions, 1027 flow [2023-08-27 03:31:43,229 INFO L124 PetriNetUnfolderBase]: 0/339 cut-off events. [2023-08-27 03:31:43,229 INFO L125 PetriNetUnfolderBase]: For 2277/2277 co-relation queries the response was YES. [2023-08-27 03:31:43,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 339 events. 0/339 cut-off events. For 2277/2277 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 329 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 0. Up to 24 conditions per place. [2023-08-27 03:31:43,241 INFO L119 LiptonReduction]: Number of co-enabled transitions 30590 [2023-08-27 03:31:46,221 INFO L134 LiptonReduction]: Checked pairs total: 91432 [2023-08-27 03:31:46,221 INFO L136 LiptonReduction]: Total number of compositions: 110 [2023-08-27 03:31:46,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:46,223 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:46,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:46,246 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:46,246 INFO L124 PetriNetUnfolderBase]: 0/161 cut-off events. [2023-08-27 03:31:46,246 INFO L125 PetriNetUnfolderBase]: For 2277/2277 co-relation queries the response was YES. [2023-08-27 03:31:46,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:46,246 INFO L208 CegarLoopForPetriNet]: trace histogram [23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:46,246 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:46,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:46,247 INFO L85 PathProgramCache]: Analyzing trace with hash -217049829, now seen corresponding path program 1 times [2023-08-27 03:31:46,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:46,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647395143] [2023-08-27 03:31:46,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:46,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:46,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:46,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:46,337 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:46,337 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:46,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-27 03:31:46,338 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:46,338 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:46,338 WARN L233 ceAbstractionStarter]: 23 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:46,338 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 24 thread instances. [2023-08-27 03:31:46,378 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:46,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 217 transitions, 1106 flow [2023-08-27 03:31:46,449 INFO L124 PetriNetUnfolderBase]: 25/503 cut-off events. [2023-08-27 03:31:46,449 INFO L125 PetriNetUnfolderBase]: For 2576/2576 co-relation queries the response was YES. [2023-08-27 03:31:46,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 876 conditions, 503 events. 25/503 cut-off events. For 2576/2576 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 788 event pairs, 0 based on Foata normal form. 0/429 useless extension candidates. Maximal degree in co-relation 819. Up to 50 conditions per place. [2023-08-27 03:31:46,458 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 217 transitions, 1106 flow [2023-08-27 03:31:46,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 260 places, 211 transitions, 1094 flow [2023-08-27 03:31:46,459 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:46,460 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 211 transitions, 1094 flow [2023-08-27 03:31:46,460 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 211 transitions, 1094 flow [2023-08-27 03:31:46,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 260 places, 211 transitions, 1094 flow [2023-08-27 03:31:46,521 INFO L124 PetriNetUnfolderBase]: 0/353 cut-off events. [2023-08-27 03:31:46,521 INFO L125 PetriNetUnfolderBase]: For 2576/2576 co-relation queries the response was YES. [2023-08-27 03:31:46,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 353 events. 0/353 cut-off events. For 2576/2576 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 336 event pairs, 0 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 0. Up to 25 conditions per place. [2023-08-27 03:31:46,535 INFO L119 LiptonReduction]: Number of co-enabled transitions 33264 [2023-08-27 03:31:49,696 INFO L134 LiptonReduction]: Checked pairs total: 111260 [2023-08-27 03:31:49,696 INFO L136 LiptonReduction]: Total number of compositions: 114 [2023-08-27 03:31:49,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:49,697 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:49,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:49,754 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:49,754 INFO L124 PetriNetUnfolderBase]: 0/168 cut-off events. [2023-08-27 03:31:49,754 INFO L125 PetriNetUnfolderBase]: For 2576/2576 co-relation queries the response was YES. [2023-08-27 03:31:49,755 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:49,755 INFO L208 CegarLoopForPetriNet]: trace histogram [24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:49,755 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:49,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:49,755 INFO L85 PathProgramCache]: Analyzing trace with hash -190721525, now seen corresponding path program 1 times [2023-08-27 03:31:49,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:49,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159220887] [2023-08-27 03:31:49,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:49,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:49,782 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:49,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:49,812 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:49,812 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:49,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-27 03:31:49,812 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:49,812 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:49,813 WARN L233 ceAbstractionStarter]: 24 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:49,813 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 25 thread instances. [2023-08-27 03:31:49,855 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:49,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 225 transitions, 1175 flow [2023-08-27 03:31:49,929 INFO L124 PetriNetUnfolderBase]: 26/523 cut-off events. [2023-08-27 03:31:49,929 INFO L125 PetriNetUnfolderBase]: For 2900/2900 co-relation queries the response was YES. [2023-08-27 03:31:49,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 523 events. 26/523 cut-off events. For 2900/2900 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 837 event pairs, 0 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 866. Up to 52 conditions per place. [2023-08-27 03:31:49,936 INFO L82 GeneralOperation]: Start removeDead. Operand has 275 places, 225 transitions, 1175 flow [2023-08-27 03:31:49,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 270 places, 219 transitions, 1163 flow [2023-08-27 03:31:49,937 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:49,937 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 270 places, 219 transitions, 1163 flow [2023-08-27 03:31:49,937 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 270 places, 219 transitions, 1163 flow [2023-08-27 03:31:49,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 270 places, 219 transitions, 1163 flow [2023-08-27 03:31:49,991 INFO L124 PetriNetUnfolderBase]: 0/367 cut-off events. [2023-08-27 03:31:49,991 INFO L125 PetriNetUnfolderBase]: For 2900/2900 co-relation queries the response was YES. [2023-08-27 03:31:49,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 768 conditions, 367 events. 0/367 cut-off events. For 2900/2900 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 356 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place. [2023-08-27 03:31:50,002 INFO L119 LiptonReduction]: Number of co-enabled transitions 36050 [2023-08-27 03:31:53,243 INFO L134 LiptonReduction]: Checked pairs total: 119535 [2023-08-27 03:31:53,243 INFO L136 LiptonReduction]: Total number of compositions: 118 [2023-08-27 03:31:53,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:53,244 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:53,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:53,265 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:53,265 INFO L124 PetriNetUnfolderBase]: 0/176 cut-off events. [2023-08-27 03:31:53,265 INFO L125 PetriNetUnfolderBase]: For 2900/2900 co-relation queries the response was YES. [2023-08-27 03:31:53,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:53,265 INFO L208 CegarLoopForPetriNet]: trace histogram [25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:53,265 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:53,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:53,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1482573907, now seen corresponding path program 1 times [2023-08-27 03:31:53,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:53,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863559384] [2023-08-27 03:31:53,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:53,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:53,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:53,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:53,323 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:53,323 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:53,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-27 03:31:53,323 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:53,323 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:53,323 WARN L233 ceAbstractionStarter]: 25 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:53,324 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 26 thread instances. [2023-08-27 03:31:53,366 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:53,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 285 places, 233 transitions, 1246 flow [2023-08-27 03:31:53,462 INFO L124 PetriNetUnfolderBase]: 27/543 cut-off events. [2023-08-27 03:31:53,462 INFO L125 PetriNetUnfolderBase]: For 3250/3250 co-relation queries the response was YES. [2023-08-27 03:31:53,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 973 conditions, 543 events. 27/543 cut-off events. For 3250/3250 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 867 event pairs, 0 based on Foata normal form. 0/463 useless extension candidates. Maximal degree in co-relation 914. Up to 54 conditions per place. [2023-08-27 03:31:53,471 INFO L82 GeneralOperation]: Start removeDead. Operand has 285 places, 233 transitions, 1246 flow [2023-08-27 03:31:53,473 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 280 places, 227 transitions, 1234 flow [2023-08-27 03:31:53,473 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:53,474 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 280 places, 227 transitions, 1234 flow [2023-08-27 03:31:53,474 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 280 places, 227 transitions, 1234 flow [2023-08-27 03:31:53,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 280 places, 227 transitions, 1234 flow [2023-08-27 03:31:53,544 INFO L124 PetriNetUnfolderBase]: 0/381 cut-off events. [2023-08-27 03:31:53,544 INFO L125 PetriNetUnfolderBase]: For 3250/3250 co-relation queries the response was YES. [2023-08-27 03:31:53,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 381 events. 0/381 cut-off events. For 3250/3250 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 369 event pairs, 0 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 0. Up to 27 conditions per place. [2023-08-27 03:31:53,561 INFO L119 LiptonReduction]: Number of co-enabled transitions 38948 [2023-08-27 03:31:56,819 INFO L134 LiptonReduction]: Checked pairs total: 115012 [2023-08-27 03:31:56,819 INFO L136 LiptonReduction]: Total number of compositions: 122 [2023-08-27 03:31:56,820 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:31:56,820 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:31:56,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:31:56,849 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:31:56,849 INFO L124 PetriNetUnfolderBase]: 0/183 cut-off events. [2023-08-27 03:31:56,849 INFO L125 PetriNetUnfolderBase]: For 3250/3250 co-relation queries the response was YES. [2023-08-27 03:31:56,849 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:31:56,849 INFO L208 CegarLoopForPetriNet]: trace histogram [26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:31:56,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:31:56,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:31:56,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2120995616, now seen corresponding path program 1 times [2023-08-27 03:31:56,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:31:56,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137921249] [2023-08-27 03:31:56,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:31:56,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:31:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:56,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:31:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:31:56,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:31:56,907 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:31:56,908 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:31:56,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-27 03:31:56,908 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:31:56,908 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:31:56,908 WARN L233 ceAbstractionStarter]: 26 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:31:56,908 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 27 thread instances. [2023-08-27 03:31:56,953 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:31:56,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 295 places, 241 transitions, 1319 flow [2023-08-27 03:31:57,059 INFO L124 PetriNetUnfolderBase]: 28/563 cut-off events. [2023-08-27 03:31:57,059 INFO L125 PetriNetUnfolderBase]: For 3627/3627 co-relation queries the response was YES. [2023-08-27 03:31:57,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1023 conditions, 563 events. 28/563 cut-off events. For 3627/3627 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 894 event pairs, 0 based on Foata normal form. 0/480 useless extension candidates. Maximal degree in co-relation 963. Up to 56 conditions per place. [2023-08-27 03:31:57,071 INFO L82 GeneralOperation]: Start removeDead. Operand has 295 places, 241 transitions, 1319 flow [2023-08-27 03:31:57,072 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 290 places, 235 transitions, 1307 flow [2023-08-27 03:31:57,073 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:31:57,073 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 235 transitions, 1307 flow [2023-08-27 03:31:57,073 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 235 transitions, 1307 flow [2023-08-27 03:31:57,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 290 places, 235 transitions, 1307 flow [2023-08-27 03:31:57,148 INFO L124 PetriNetUnfolderBase]: 0/395 cut-off events. [2023-08-27 03:31:57,148 INFO L125 PetriNetUnfolderBase]: For 3627/3627 co-relation queries the response was YES. [2023-08-27 03:31:57,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 855 conditions, 395 events. 0/395 cut-off events. For 3627/3627 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 379 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 0. Up to 28 conditions per place. [2023-08-27 03:31:57,166 INFO L119 LiptonReduction]: Number of co-enabled transitions 41958 [2023-08-27 03:32:00,596 INFO L134 LiptonReduction]: Checked pairs total: 141703 [2023-08-27 03:32:00,596 INFO L136 LiptonReduction]: Total number of compositions: 126 [2023-08-27 03:32:00,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:00,597 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:00,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:00,624 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:00,624 INFO L124 PetriNetUnfolderBase]: 0/189 cut-off events. [2023-08-27 03:32:00,625 INFO L125 PetriNetUnfolderBase]: For 3627/3627 co-relation queries the response was YES. [2023-08-27 03:32:00,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:00,625 INFO L208 CegarLoopForPetriNet]: trace histogram [27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:00,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:00,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:00,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1779605892, now seen corresponding path program 1 times [2023-08-27 03:32:00,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:00,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534260534] [2023-08-27 03:32:00,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:00,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:00,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:00,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:00,692 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:00,692 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:00,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-27 03:32:00,693 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:00,693 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:00,693 WARN L233 ceAbstractionStarter]: 27 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:00,693 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 28 thread instances. [2023-08-27 03:32:00,746 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:00,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 249 transitions, 1394 flow [2023-08-27 03:32:00,859 INFO L124 PetriNetUnfolderBase]: 29/583 cut-off events. [2023-08-27 03:32:00,859 INFO L125 PetriNetUnfolderBase]: For 4032/4032 co-relation queries the response was YES. [2023-08-27 03:32:00,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 583 events. 29/583 cut-off events. For 4032/4032 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 927 event pairs, 0 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 1013. Up to 58 conditions per place. [2023-08-27 03:32:00,871 INFO L82 GeneralOperation]: Start removeDead. Operand has 305 places, 249 transitions, 1394 flow [2023-08-27 03:32:00,873 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 300 places, 243 transitions, 1382 flow [2023-08-27 03:32:00,873 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:00,873 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 243 transitions, 1382 flow [2023-08-27 03:32:00,873 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 243 transitions, 1382 flow [2023-08-27 03:32:00,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 300 places, 243 transitions, 1382 flow [2023-08-27 03:32:00,954 INFO L124 PetriNetUnfolderBase]: 0/409 cut-off events. [2023-08-27 03:32:00,954 INFO L125 PetriNetUnfolderBase]: For 4032/4032 co-relation queries the response was YES. [2023-08-27 03:32:00,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 409 events. 0/409 cut-off events. For 4032/4032 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 395 event pairs, 0 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2023-08-27 03:32:00,974 INFO L119 LiptonReduction]: Number of co-enabled transitions 45080 [2023-08-27 03:32:04,551 INFO L134 LiptonReduction]: Checked pairs total: 135467 [2023-08-27 03:32:04,552 INFO L136 LiptonReduction]: Total number of compositions: 130 [2023-08-27 03:32:04,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:04,553 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:04,553 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:04,577 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:04,577 INFO L124 PetriNetUnfolderBase]: 0/197 cut-off events. [2023-08-27 03:32:04,577 INFO L125 PetriNetUnfolderBase]: For 4032/4032 co-relation queries the response was YES. [2023-08-27 03:32:04,577 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:04,577 INFO L208 CegarLoopForPetriNet]: trace histogram [28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:04,577 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:04,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:04,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1062899957, now seen corresponding path program 1 times [2023-08-27 03:32:04,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:04,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767075296] [2023-08-27 03:32:04,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:04,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:04,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:04,646 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:04,646 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:04,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-27 03:32:04,647 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:04,647 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:04,647 WARN L233 ceAbstractionStarter]: 28 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:04,647 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 29 thread instances. [2023-08-27 03:32:04,694 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:04,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 315 places, 257 transitions, 1471 flow [2023-08-27 03:32:04,814 INFO L124 PetriNetUnfolderBase]: 30/603 cut-off events. [2023-08-27 03:32:04,814 INFO L125 PetriNetUnfolderBase]: For 4466/4466 co-relation queries the response was YES. [2023-08-27 03:32:04,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1126 conditions, 603 events. 30/603 cut-off events. For 4466/4466 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 958 event pairs, 0 based on Foata normal form. 0/514 useless extension candidates. Maximal degree in co-relation 1064. Up to 60 conditions per place. [2023-08-27 03:32:04,827 INFO L82 GeneralOperation]: Start removeDead. Operand has 315 places, 257 transitions, 1471 flow [2023-08-27 03:32:04,829 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 310 places, 251 transitions, 1459 flow [2023-08-27 03:32:04,829 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:04,830 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 310 places, 251 transitions, 1459 flow [2023-08-27 03:32:04,830 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 310 places, 251 transitions, 1459 flow [2023-08-27 03:32:04,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 310 places, 251 transitions, 1459 flow [2023-08-27 03:32:04,956 INFO L124 PetriNetUnfolderBase]: 0/423 cut-off events. [2023-08-27 03:32:04,956 INFO L125 PetriNetUnfolderBase]: For 4466/4466 co-relation queries the response was YES. [2023-08-27 03:32:04,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 946 conditions, 423 events. 0/423 cut-off events. For 4466/4466 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 410 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 0. Up to 30 conditions per place. [2023-08-27 03:32:04,970 INFO L119 LiptonReduction]: Number of co-enabled transitions 48314 [2023-08-27 03:32:08,611 INFO L134 LiptonReduction]: Checked pairs total: 161551 [2023-08-27 03:32:08,611 INFO L136 LiptonReduction]: Total number of compositions: 134 [2023-08-27 03:32:08,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:08,612 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:08,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:08,639 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:08,639 INFO L124 PetriNetUnfolderBase]: 0/203 cut-off events. [2023-08-27 03:32:08,639 INFO L125 PetriNetUnfolderBase]: For 4466/4466 co-relation queries the response was YES. [2023-08-27 03:32:08,639 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:08,639 INFO L208 CegarLoopForPetriNet]: trace histogram [29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:08,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:08,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:08,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2088509644, now seen corresponding path program 1 times [2023-08-27 03:32:08,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:08,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933999422] [2023-08-27 03:32:08,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:08,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:08,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:08,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:08,709 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:08,709 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:08,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-27 03:32:08,709 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:08,710 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:08,710 WARN L233 ceAbstractionStarter]: 29 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:08,710 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 30 thread instances. [2023-08-27 03:32:08,760 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:08,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 325 places, 265 transitions, 1550 flow [2023-08-27 03:32:08,950 INFO L124 PetriNetUnfolderBase]: 31/623 cut-off events. [2023-08-27 03:32:08,950 INFO L125 PetriNetUnfolderBase]: For 4930/4930 co-relation queries the response was YES. [2023-08-27 03:32:08,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 623 events. 31/623 cut-off events. For 4930/4930 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 993 event pairs, 0 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 1116. Up to 62 conditions per place. [2023-08-27 03:32:08,958 INFO L82 GeneralOperation]: Start removeDead. Operand has 325 places, 265 transitions, 1550 flow [2023-08-27 03:32:08,960 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 320 places, 259 transitions, 1538 flow [2023-08-27 03:32:08,960 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:08,960 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 259 transitions, 1538 flow [2023-08-27 03:32:08,962 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 259 transitions, 1538 flow [2023-08-27 03:32:08,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 259 transitions, 1538 flow [2023-08-27 03:32:09,045 INFO L124 PetriNetUnfolderBase]: 0/437 cut-off events. [2023-08-27 03:32:09,045 INFO L125 PetriNetUnfolderBase]: For 4930/4930 co-relation queries the response was YES. [2023-08-27 03:32:09,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 993 conditions, 437 events. 0/437 cut-off events. For 4930/4930 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 426 event pairs, 0 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 0. Up to 31 conditions per place. [2023-08-27 03:32:09,061 INFO L119 LiptonReduction]: Number of co-enabled transitions 51660 [2023-08-27 03:32:12,750 INFO L134 LiptonReduction]: Checked pairs total: 169816 [2023-08-27 03:32:12,750 INFO L136 LiptonReduction]: Total number of compositions: 138 [2023-08-27 03:32:12,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:12,751 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:12,751 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:12,776 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:12,776 INFO L124 PetriNetUnfolderBase]: 0/211 cut-off events. [2023-08-27 03:32:12,776 INFO L125 PetriNetUnfolderBase]: For 4930/4930 co-relation queries the response was YES. [2023-08-27 03:32:12,776 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:12,777 INFO L208 CegarLoopForPetriNet]: trace histogram [30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:12,777 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:12,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:12,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1553369782, now seen corresponding path program 1 times [2023-08-27 03:32:12,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:12,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011542934] [2023-08-27 03:32:12,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:12,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:12,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:12,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:12,846 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:12,846 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:12,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-27 03:32:12,846 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:12,847 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:12,847 WARN L233 ceAbstractionStarter]: 30 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:12,847 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 31 thread instances. [2023-08-27 03:32:12,969 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:12,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 273 transitions, 1631 flow [2023-08-27 03:32:13,103 INFO L124 PetriNetUnfolderBase]: 32/643 cut-off events. [2023-08-27 03:32:13,103 INFO L125 PetriNetUnfolderBase]: For 5425/5425 co-relation queries the response was YES. [2023-08-27 03:32:13,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 643 events. 32/643 cut-off events. For 5425/5425 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1038 event pairs, 0 based on Foata normal form. 0/548 useless extension candidates. Maximal degree in co-relation 1169. Up to 64 conditions per place. [2023-08-27 03:32:13,118 INFO L82 GeneralOperation]: Start removeDead. Operand has 335 places, 273 transitions, 1631 flow [2023-08-27 03:32:13,120 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 330 places, 267 transitions, 1619 flow [2023-08-27 03:32:13,120 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:13,120 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 330 places, 267 transitions, 1619 flow [2023-08-27 03:32:13,120 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 330 places, 267 transitions, 1619 flow [2023-08-27 03:32:13,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 330 places, 267 transitions, 1619 flow [2023-08-27 03:32:13,217 INFO L124 PetriNetUnfolderBase]: 0/451 cut-off events. [2023-08-27 03:32:13,217 INFO L125 PetriNetUnfolderBase]: For 5425/5425 co-relation queries the response was YES. [2023-08-27 03:32:13,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 451 events. 0/451 cut-off events. For 5425/5425 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 445 event pairs, 0 based on Foata normal form. 0/420 useless extension candidates. Maximal degree in co-relation 0. Up to 32 conditions per place. [2023-08-27 03:32:13,238 INFO L119 LiptonReduction]: Number of co-enabled transitions 55118 [2023-08-27 03:32:17,115 INFO L134 LiptonReduction]: Checked pairs total: 169117 [2023-08-27 03:32:17,115 INFO L136 LiptonReduction]: Total number of compositions: 142 [2023-08-27 03:32:17,116 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:17,116 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:17,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:17,150 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:17,151 INFO L124 PetriNetUnfolderBase]: 0/217 cut-off events. [2023-08-27 03:32:17,151 INFO L125 PetriNetUnfolderBase]: For 5425/5425 co-relation queries the response was YES. [2023-08-27 03:32:17,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:17,151 INFO L208 CegarLoopForPetriNet]: trace histogram [31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:17,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:17,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:17,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1535688221, now seen corresponding path program 1 times [2023-08-27 03:32:17,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:17,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612384006] [2023-08-27 03:32:17,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:17,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:17,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:17,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:17,233 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:17,233 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:17,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-27 03:32:17,233 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:17,234 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:17,234 WARN L233 ceAbstractionStarter]: 31 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:17,234 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 32 thread instances. [2023-08-27 03:32:17,292 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:17,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 345 places, 281 transitions, 1714 flow [2023-08-27 03:32:17,457 INFO L124 PetriNetUnfolderBase]: 33/663 cut-off events. [2023-08-27 03:32:17,457 INFO L125 PetriNetUnfolderBase]: For 5952/5952 co-relation queries the response was YES. [2023-08-27 03:32:17,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1288 conditions, 663 events. 33/663 cut-off events. For 5952/5952 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1060 event pairs, 0 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 1223. Up to 66 conditions per place. [2023-08-27 03:32:17,473 INFO L82 GeneralOperation]: Start removeDead. Operand has 345 places, 281 transitions, 1714 flow [2023-08-27 03:32:17,475 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 340 places, 275 transitions, 1702 flow [2023-08-27 03:32:17,475 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:17,475 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 340 places, 275 transitions, 1702 flow [2023-08-27 03:32:17,476 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 340 places, 275 transitions, 1702 flow [2023-08-27 03:32:17,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 340 places, 275 transitions, 1702 flow [2023-08-27 03:32:17,582 INFO L124 PetriNetUnfolderBase]: 0/465 cut-off events. [2023-08-27 03:32:17,582 INFO L125 PetriNetUnfolderBase]: For 5952/5952 co-relation queries the response was YES. [2023-08-27 03:32:17,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1090 conditions, 465 events. 0/465 cut-off events. For 5952/5952 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 455 event pairs, 0 based on Foata normal form. 0/433 useless extension candidates. Maximal degree in co-relation 0. Up to 33 conditions per place. [2023-08-27 03:32:17,607 INFO L119 LiptonReduction]: Number of co-enabled transitions 58688 [2023-08-27 03:32:21,666 INFO L134 LiptonReduction]: Checked pairs total: 198018 [2023-08-27 03:32:21,667 INFO L136 LiptonReduction]: Total number of compositions: 146 [2023-08-27 03:32:21,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:21,668 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:21,668 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:21,700 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:21,701 INFO L124 PetriNetUnfolderBase]: 0/225 cut-off events. [2023-08-27 03:32:21,701 INFO L125 PetriNetUnfolderBase]: For 5952/5952 co-relation queries the response was YES. [2023-08-27 03:32:21,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:21,701 INFO L208 CegarLoopForPetriNet]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:21,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:21,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:21,701 INFO L85 PathProgramCache]: Analyzing trace with hash 770174431, now seen corresponding path program 1 times [2023-08-27 03:32:21,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:21,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788174399] [2023-08-27 03:32:21,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:21,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:21,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:21,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:21,776 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:21,776 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:21,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-27 03:32:21,776 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:21,777 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:21,777 WARN L233 ceAbstractionStarter]: 32 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:21,777 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 33 thread instances. [2023-08-27 03:32:21,832 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:21,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 355 places, 289 transitions, 1799 flow [2023-08-27 03:32:21,970 INFO L124 PetriNetUnfolderBase]: 34/683 cut-off events. [2023-08-27 03:32:21,971 INFO L125 PetriNetUnfolderBase]: For 6512/6512 co-relation queries the response was YES. [2023-08-27 03:32:21,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1344 conditions, 683 events. 34/683 cut-off events. For 6512/6512 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1146 event pairs, 0 based on Foata normal form. 0/582 useless extension candidates. Maximal degree in co-relation 1278. Up to 68 conditions per place. [2023-08-27 03:32:21,984 INFO L82 GeneralOperation]: Start removeDead. Operand has 355 places, 289 transitions, 1799 flow [2023-08-27 03:32:21,986 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 350 places, 283 transitions, 1787 flow [2023-08-27 03:32:21,986 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:21,986 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 350 places, 283 transitions, 1787 flow [2023-08-27 03:32:21,987 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 350 places, 283 transitions, 1787 flow [2023-08-27 03:32:21,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 350 places, 283 transitions, 1787 flow [2023-08-27 03:32:22,063 INFO L124 PetriNetUnfolderBase]: 0/479 cut-off events. [2023-08-27 03:32:22,063 INFO L125 PetriNetUnfolderBase]: For 6512/6512 co-relation queries the response was YES. [2023-08-27 03:32:22,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1140 conditions, 479 events. 0/479 cut-off events. For 6512/6512 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 462 event pairs, 0 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 0. Up to 34 conditions per place. [2023-08-27 03:32:22,086 INFO L119 LiptonReduction]: Number of co-enabled transitions 62370 [2023-08-27 03:32:26,072 INFO L134 LiptonReduction]: Checked pairs total: 189634 [2023-08-27 03:32:26,072 INFO L136 LiptonReduction]: Total number of compositions: 150 [2023-08-27 03:32:26,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:26,073 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:26,073 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:26,102 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:26,102 INFO L124 PetriNetUnfolderBase]: 0/231 cut-off events. [2023-08-27 03:32:26,102 INFO L125 PetriNetUnfolderBase]: For 6512/6512 co-relation queries the response was YES. [2023-08-27 03:32:26,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:26,102 INFO L208 CegarLoopForPetriNet]: trace histogram [33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:26,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:26,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:26,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1910084042, now seen corresponding path program 1 times [2023-08-27 03:32:26,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:26,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442895638] [2023-08-27 03:32:26,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:26,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:26,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:26,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:26,178 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:26,178 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:26,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-27 03:32:26,178 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:26,179 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:26,179 WARN L233 ceAbstractionStarter]: 33 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:26,179 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 34 thread instances. [2023-08-27 03:32:26,236 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:26,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 365 places, 297 transitions, 1886 flow [2023-08-27 03:32:26,390 INFO L124 PetriNetUnfolderBase]: 35/703 cut-off events. [2023-08-27 03:32:26,390 INFO L125 PetriNetUnfolderBase]: For 7106/7106 co-relation queries the response was YES. [2023-08-27 03:32:26,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1401 conditions, 703 events. 35/703 cut-off events. For 7106/7106 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1113 event pairs, 0 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 1334. Up to 70 conditions per place. [2023-08-27 03:32:26,407 INFO L82 GeneralOperation]: Start removeDead. Operand has 365 places, 297 transitions, 1886 flow [2023-08-27 03:32:26,409 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 360 places, 291 transitions, 1874 flow [2023-08-27 03:32:26,409 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:26,409 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 360 places, 291 transitions, 1874 flow [2023-08-27 03:32:26,409 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 360 places, 291 transitions, 1874 flow [2023-08-27 03:32:26,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 360 places, 291 transitions, 1874 flow [2023-08-27 03:32:26,515 INFO L124 PetriNetUnfolderBase]: 0/493 cut-off events. [2023-08-27 03:32:26,516 INFO L125 PetriNetUnfolderBase]: For 7106/7106 co-relation queries the response was YES. [2023-08-27 03:32:26,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 493 events. 0/493 cut-off events. For 7106/7106 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 475 event pairs, 0 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 0. Up to 35 conditions per place. [2023-08-27 03:32:26,536 INFO L119 LiptonReduction]: Number of co-enabled transitions 66164 [2023-08-27 03:32:30,659 INFO L134 LiptonReduction]: Checked pairs total: 199410 [2023-08-27 03:32:30,660 INFO L136 LiptonReduction]: Total number of compositions: 154 [2023-08-27 03:32:30,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:30,661 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:30,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:30,697 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:30,698 INFO L124 PetriNetUnfolderBase]: 0/238 cut-off events. [2023-08-27 03:32:30,698 INFO L125 PetriNetUnfolderBase]: For 7106/7106 co-relation queries the response was YES. [2023-08-27 03:32:30,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:30,698 INFO L208 CegarLoopForPetriNet]: trace histogram [34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:30,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:30,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:30,698 INFO L85 PathProgramCache]: Analyzing trace with hash -20557772, now seen corresponding path program 1 times [2023-08-27 03:32:30,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:30,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253891934] [2023-08-27 03:32:30,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:30,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:30,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:30,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:30,778 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:30,778 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:30,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-27 03:32:30,778 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:30,779 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:30,779 WARN L233 ceAbstractionStarter]: 34 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:30,779 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 35 thread instances. [2023-08-27 03:32:30,842 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:30,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 375 places, 305 transitions, 1975 flow [2023-08-27 03:32:30,973 INFO L124 PetriNetUnfolderBase]: 36/723 cut-off events. [2023-08-27 03:32:30,974 INFO L125 PetriNetUnfolderBase]: For 7735/7735 co-relation queries the response was YES. [2023-08-27 03:32:30,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1459 conditions, 723 events. 36/723 cut-off events. For 7735/7735 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1153 event pairs, 0 based on Foata normal form. 0/616 useless extension candidates. Maximal degree in co-relation 1391. Up to 72 conditions per place. [2023-08-27 03:32:30,988 INFO L82 GeneralOperation]: Start removeDead. Operand has 375 places, 305 transitions, 1975 flow [2023-08-27 03:32:30,991 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 370 places, 299 transitions, 1963 flow [2023-08-27 03:32:30,991 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:30,991 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 370 places, 299 transitions, 1963 flow [2023-08-27 03:32:30,991 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 370 places, 299 transitions, 1963 flow [2023-08-27 03:32:30,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 370 places, 299 transitions, 1963 flow [2023-08-27 03:32:31,075 INFO L124 PetriNetUnfolderBase]: 0/507 cut-off events. [2023-08-27 03:32:31,075 INFO L125 PetriNetUnfolderBase]: For 7735/7735 co-relation queries the response was YES. [2023-08-27 03:32:31,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1243 conditions, 507 events. 0/507 cut-off events. For 7735/7735 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 489 event pairs, 0 based on Foata normal form. 0/472 useless extension candidates. Maximal degree in co-relation 0. Up to 36 conditions per place. [2023-08-27 03:32:31,098 INFO L119 LiptonReduction]: Number of co-enabled transitions 70070 [2023-08-27 03:32:35,346 INFO L134 LiptonReduction]: Checked pairs total: 212851 [2023-08-27 03:32:35,347 INFO L136 LiptonReduction]: Total number of compositions: 158 [2023-08-27 03:32:35,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:35,347 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:35,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:35,380 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:35,380 INFO L124 PetriNetUnfolderBase]: 0/246 cut-off events. [2023-08-27 03:32:35,380 INFO L125 PetriNetUnfolderBase]: For 7735/7735 co-relation queries the response was YES. [2023-08-27 03:32:35,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:35,380 INFO L208 CegarLoopForPetriNet]: trace histogram [35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:35,380 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:35,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:35,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1059044223, now seen corresponding path program 1 times [2023-08-27 03:32:35,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:35,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734035814] [2023-08-27 03:32:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:35,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:35,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:35,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:35,476 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:35,476 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:35,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-27 03:32:35,476 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:35,476 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:35,476 WARN L233 ceAbstractionStarter]: 35 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:35,476 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 36 thread instances. [2023-08-27 03:32:35,538 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:35,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 385 places, 313 transitions, 2066 flow [2023-08-27 03:32:35,713 INFO L124 PetriNetUnfolderBase]: 37/743 cut-off events. [2023-08-27 03:32:35,713 INFO L125 PetriNetUnfolderBase]: For 8400/8400 co-relation queries the response was YES. [2023-08-27 03:32:35,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1518 conditions, 743 events. 37/743 cut-off events. For 8400/8400 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1197 event pairs, 0 based on Foata normal form. 0/633 useless extension candidates. Maximal degree in co-relation 1449. Up to 74 conditions per place. [2023-08-27 03:32:35,729 INFO L82 GeneralOperation]: Start removeDead. Operand has 385 places, 313 transitions, 2066 flow [2023-08-27 03:32:35,731 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 380 places, 307 transitions, 2054 flow [2023-08-27 03:32:35,731 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:35,731 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 380 places, 307 transitions, 2054 flow [2023-08-27 03:32:35,732 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 380 places, 307 transitions, 2054 flow [2023-08-27 03:32:35,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 380 places, 307 transitions, 2054 flow [2023-08-27 03:32:35,832 INFO L124 PetriNetUnfolderBase]: 0/521 cut-off events. [2023-08-27 03:32:35,832 INFO L125 PetriNetUnfolderBase]: For 8400/8400 co-relation queries the response was YES. [2023-08-27 03:32:35,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1296 conditions, 521 events. 0/521 cut-off events. For 8400/8400 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 512 event pairs, 0 based on Foata normal form. 0/485 useless extension candidates. Maximal degree in co-relation 0. Up to 37 conditions per place. [2023-08-27 03:32:35,856 INFO L119 LiptonReduction]: Number of co-enabled transitions 74088 [2023-08-27 03:32:40,210 INFO L134 LiptonReduction]: Checked pairs total: 230175 [2023-08-27 03:32:40,210 INFO L136 LiptonReduction]: Total number of compositions: 162 [2023-08-27 03:32:40,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:40,211 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:40,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:40,247 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:40,247 INFO L124 PetriNetUnfolderBase]: 0/253 cut-off events. [2023-08-27 03:32:40,247 INFO L125 PetriNetUnfolderBase]: For 8400/8400 co-relation queries the response was YES. [2023-08-27 03:32:40,247 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:40,248 INFO L208 CegarLoopForPetriNet]: trace histogram [36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:40,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:40,248 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:40,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1573211465, now seen corresponding path program 1 times [2023-08-27 03:32:40,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:40,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762142966] [2023-08-27 03:32:40,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:40,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:40,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:40,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:40,331 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:40,331 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:40,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-08-27 03:32:40,332 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:40,332 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:40,332 WARN L233 ceAbstractionStarter]: 36 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:40,332 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 37 thread instances. [2023-08-27 03:32:40,397 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:40,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 395 places, 321 transitions, 2159 flow [2023-08-27 03:32:40,580 INFO L124 PetriNetUnfolderBase]: 38/763 cut-off events. [2023-08-27 03:32:40,580 INFO L125 PetriNetUnfolderBase]: For 9102/9102 co-relation queries the response was YES. [2023-08-27 03:32:40,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 763 events. 38/763 cut-off events. For 9102/9102 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1197 event pairs, 0 based on Foata normal form. 0/650 useless extension candidates. Maximal degree in co-relation 1508. Up to 76 conditions per place. [2023-08-27 03:32:40,602 INFO L82 GeneralOperation]: Start removeDead. Operand has 395 places, 321 transitions, 2159 flow [2023-08-27 03:32:40,605 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 390 places, 315 transitions, 2147 flow [2023-08-27 03:32:40,605 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:40,605 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 315 transitions, 2147 flow [2023-08-27 03:32:40,605 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 315 transitions, 2147 flow [2023-08-27 03:32:40,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 390 places, 315 transitions, 2147 flow [2023-08-27 03:32:40,811 INFO L124 PetriNetUnfolderBase]: 0/535 cut-off events. [2023-08-27 03:32:40,811 INFO L125 PetriNetUnfolderBase]: For 9102/9102 co-relation queries the response was YES. [2023-08-27 03:32:40,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 535 events. 0/535 cut-off events. For 9102/9102 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 514 event pairs, 0 based on Foata normal form. 0/498 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place. [2023-08-27 03:32:40,839 INFO L119 LiptonReduction]: Number of co-enabled transitions 78218 [2023-08-27 03:32:45,397 INFO L134 LiptonReduction]: Checked pairs total: 235367 [2023-08-27 03:32:45,397 INFO L136 LiptonReduction]: Total number of compositions: 166 [2023-08-27 03:32:45,398 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:45,398 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:45,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:45,434 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:45,435 INFO L124 PetriNetUnfolderBase]: 0/259 cut-off events. [2023-08-27 03:32:45,435 INFO L125 PetriNetUnfolderBase]: For 9102/9102 co-relation queries the response was YES. [2023-08-27 03:32:45,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:45,435 INFO L208 CegarLoopForPetriNet]: trace histogram [37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:45,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:45,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:45,435 INFO L85 PathProgramCache]: Analyzing trace with hash -838538760, now seen corresponding path program 1 times [2023-08-27 03:32:45,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:45,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208893718] [2023-08-27 03:32:45,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:45,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:45,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:45,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:45,520 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:45,520 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:45,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-08-27 03:32:45,520 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:45,520 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:45,521 WARN L233 ceAbstractionStarter]: 37 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:45,521 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 38 thread instances. [2023-08-27 03:32:45,587 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:45,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 405 places, 329 transitions, 2254 flow [2023-08-27 03:32:45,743 INFO L124 PetriNetUnfolderBase]: 39/783 cut-off events. [2023-08-27 03:32:45,743 INFO L125 PetriNetUnfolderBase]: For 9842/9842 co-relation queries the response was YES. [2023-08-27 03:32:45,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1639 conditions, 783 events. 39/783 cut-off events. For 9842/9842 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1266 event pairs, 0 based on Foata normal form. 0/667 useless extension candidates. Maximal degree in co-relation 1568. Up to 78 conditions per place. [2023-08-27 03:32:45,765 INFO L82 GeneralOperation]: Start removeDead. Operand has 405 places, 329 transitions, 2254 flow [2023-08-27 03:32:45,768 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 400 places, 323 transitions, 2242 flow [2023-08-27 03:32:45,768 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:45,768 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 323 transitions, 2242 flow [2023-08-27 03:32:45,768 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 323 transitions, 2242 flow [2023-08-27 03:32:45,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 400 places, 323 transitions, 2242 flow [2023-08-27 03:32:45,944 INFO L124 PetriNetUnfolderBase]: 0/549 cut-off events. [2023-08-27 03:32:45,944 INFO L125 PetriNetUnfolderBase]: For 9842/9842 co-relation queries the response was YES. [2023-08-27 03:32:45,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1405 conditions, 549 events. 0/549 cut-off events. For 9842/9842 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 538 event pairs, 0 based on Foata normal form. 0/511 useless extension candidates. Maximal degree in co-relation 0. Up to 39 conditions per place. [2023-08-27 03:32:45,971 INFO L119 LiptonReduction]: Number of co-enabled transitions 82460 [2023-08-27 03:32:50,539 INFO L134 LiptonReduction]: Checked pairs total: 251352 [2023-08-27 03:32:50,539 INFO L136 LiptonReduction]: Total number of compositions: 170 [2023-08-27 03:32:50,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:50,540 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:50,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:50,587 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:50,587 INFO L124 PetriNetUnfolderBase]: 0/267 cut-off events. [2023-08-27 03:32:50,587 INFO L125 PetriNetUnfolderBase]: For 9842/9842 co-relation queries the response was YES. [2023-08-27 03:32:50,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:50,587 INFO L208 CegarLoopForPetriNet]: trace histogram [38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:50,587 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:50,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:50,587 INFO L85 PathProgramCache]: Analyzing trace with hash 2131577822, now seen corresponding path program 1 times [2023-08-27 03:32:50,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:50,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438012552] [2023-08-27 03:32:50,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:50,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:50,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:50,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:50,681 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:50,681 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:50,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-08-27 03:32:50,682 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:50,682 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:50,682 WARN L233 ceAbstractionStarter]: 38 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:50,682 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 39 thread instances. [2023-08-27 03:32:50,743 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:50,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 415 places, 337 transitions, 2351 flow [2023-08-27 03:32:50,996 INFO L124 PetriNetUnfolderBase]: 40/803 cut-off events. [2023-08-27 03:32:50,997 INFO L125 PetriNetUnfolderBase]: For 10621/10621 co-relation queries the response was YES. [2023-08-27 03:32:51,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1701 conditions, 803 events. 40/803 cut-off events. For 10621/10621 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1296 event pairs, 0 based on Foata normal form. 0/684 useless extension candidates. Maximal degree in co-relation 1629. Up to 80 conditions per place. [2023-08-27 03:32:51,010 INFO L82 GeneralOperation]: Start removeDead. Operand has 415 places, 337 transitions, 2351 flow [2023-08-27 03:32:51,012 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 410 places, 331 transitions, 2339 flow [2023-08-27 03:32:51,012 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:51,012 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 331 transitions, 2339 flow [2023-08-27 03:32:51,012 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 331 transitions, 2339 flow [2023-08-27 03:32:51,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 410 places, 331 transitions, 2339 flow [2023-08-27 03:32:51,118 INFO L124 PetriNetUnfolderBase]: 0/563 cut-off events. [2023-08-27 03:32:51,118 INFO L125 PetriNetUnfolderBase]: For 10621/10621 co-relation queries the response was YES. [2023-08-27 03:32:51,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1461 conditions, 563 events. 0/563 cut-off events. For 10621/10621 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 551 event pairs, 0 based on Foata normal form. 0/524 useless extension candidates. Maximal degree in co-relation 0. Up to 40 conditions per place. [2023-08-27 03:32:51,146 INFO L119 LiptonReduction]: Number of co-enabled transitions 86814 [2023-08-27 03:32:55,738 INFO L134 LiptonReduction]: Checked pairs total: 260552 [2023-08-27 03:32:55,738 INFO L136 LiptonReduction]: Total number of compositions: 174 [2023-08-27 03:32:55,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:32:55,739 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:32:55,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:32:55,784 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:32:55,784 INFO L124 PetriNetUnfolderBase]: 0/274 cut-off events. [2023-08-27 03:32:55,784 INFO L125 PetriNetUnfolderBase]: For 10621/10621 co-relation queries the response was YES. [2023-08-27 03:32:55,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:32:55,784 INFO L208 CegarLoopForPetriNet]: trace histogram [39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:32:55,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:32:55,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:32:55,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1229682271, now seen corresponding path program 1 times [2023-08-27 03:32:55,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:32:55,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905548753] [2023-08-27 03:32:55,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:32:55,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:32:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:55,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:32:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:32:55,872 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:32:55,872 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:32:55,872 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:32:55,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-08-27 03:32:55,873 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:32:55,873 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:32:55,873 WARN L233 ceAbstractionStarter]: 39 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:32:55,873 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 40 thread instances. [2023-08-27 03:32:56,008 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:32:56,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 425 places, 345 transitions, 2450 flow [2023-08-27 03:32:56,167 INFO L124 PetriNetUnfolderBase]: 41/823 cut-off events. [2023-08-27 03:32:56,167 INFO L125 PetriNetUnfolderBase]: For 11440/11440 co-relation queries the response was YES. [2023-08-27 03:32:56,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1764 conditions, 823 events. 41/823 cut-off events. For 11440/11440 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1304 event pairs, 0 based on Foata normal form. 0/701 useless extension candidates. Maximal degree in co-relation 1691. Up to 82 conditions per place. [2023-08-27 03:32:56,186 INFO L82 GeneralOperation]: Start removeDead. Operand has 425 places, 345 transitions, 2450 flow [2023-08-27 03:32:56,189 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 420 places, 339 transitions, 2438 flow [2023-08-27 03:32:56,189 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:32:56,189 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 420 places, 339 transitions, 2438 flow [2023-08-27 03:32:56,189 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 420 places, 339 transitions, 2438 flow [2023-08-27 03:32:56,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 420 places, 339 transitions, 2438 flow [2023-08-27 03:32:56,297 INFO L124 PetriNetUnfolderBase]: 0/577 cut-off events. [2023-08-27 03:32:56,297 INFO L125 PetriNetUnfolderBase]: For 11440/11440 co-relation queries the response was YES. [2023-08-27 03:32:56,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1518 conditions, 577 events. 0/577 cut-off events. For 11440/11440 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 559 event pairs, 0 based on Foata normal form. 0/537 useless extension candidates. Maximal degree in co-relation 0. Up to 41 conditions per place. [2023-08-27 03:32:56,326 INFO L119 LiptonReduction]: Number of co-enabled transitions 91280 [2023-08-27 03:33:01,106 INFO L134 LiptonReduction]: Checked pairs total: 278803 [2023-08-27 03:33:01,106 INFO L136 LiptonReduction]: Total number of compositions: 178 [2023-08-27 03:33:01,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:01,107 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:01,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:01,205 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:01,205 INFO L124 PetriNetUnfolderBase]: 0/280 cut-off events. [2023-08-27 03:33:01,205 INFO L125 PetriNetUnfolderBase]: For 11440/11440 co-relation queries the response was YES. [2023-08-27 03:33:01,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:01,205 INFO L208 CegarLoopForPetriNet]: trace histogram [40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:01,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:01,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:01,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1436523827, now seen corresponding path program 1 times [2023-08-27 03:33:01,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:01,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216145006] [2023-08-27 03:33:01,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:01,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:01,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:01,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:01,315 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:01,315 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:01,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-08-27 03:33:01,316 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:01,316 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:01,316 WARN L233 ceAbstractionStarter]: 40 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:01,316 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 41 thread instances. [2023-08-27 03:33:01,400 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:01,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 435 places, 353 transitions, 2551 flow [2023-08-27 03:33:01,614 INFO L124 PetriNetUnfolderBase]: 42/843 cut-off events. [2023-08-27 03:33:01,615 INFO L125 PetriNetUnfolderBase]: For 12300/12300 co-relation queries the response was YES. [2023-08-27 03:33:01,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1828 conditions, 843 events. 42/843 cut-off events. For 12300/12300 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1355 event pairs, 0 based on Foata normal form. 0/718 useless extension candidates. Maximal degree in co-relation 1754. Up to 84 conditions per place. [2023-08-27 03:33:01,634 INFO L82 GeneralOperation]: Start removeDead. Operand has 435 places, 353 transitions, 2551 flow [2023-08-27 03:33:01,637 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 430 places, 347 transitions, 2539 flow [2023-08-27 03:33:01,637 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:01,637 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 347 transitions, 2539 flow [2023-08-27 03:33:01,637 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 347 transitions, 2539 flow [2023-08-27 03:33:01,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 430 places, 347 transitions, 2539 flow [2023-08-27 03:33:01,751 INFO L124 PetriNetUnfolderBase]: 0/591 cut-off events. [2023-08-27 03:33:01,751 INFO L125 PetriNetUnfolderBase]: For 12300/12300 co-relation queries the response was YES. [2023-08-27 03:33:01,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1576 conditions, 591 events. 0/591 cut-off events. For 12300/12300 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 582 event pairs, 0 based on Foata normal form. 0/550 useless extension candidates. Maximal degree in co-relation 0. Up to 42 conditions per place. [2023-08-27 03:33:01,782 INFO L119 LiptonReduction]: Number of co-enabled transitions 95858 [2023-08-27 03:33:06,638 INFO L134 LiptonReduction]: Checked pairs total: 284008 [2023-08-27 03:33:06,638 INFO L136 LiptonReduction]: Total number of compositions: 182 [2023-08-27 03:33:06,639 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:06,639 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:06,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:06,753 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:06,754 INFO L124 PetriNetUnfolderBase]: 0/288 cut-off events. [2023-08-27 03:33:06,754 INFO L125 PetriNetUnfolderBase]: For 12300/12300 co-relation queries the response was YES. [2023-08-27 03:33:06,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:06,754 INFO L208 CegarLoopForPetriNet]: trace histogram [41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:06,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:06,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:06,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1762805029, now seen corresponding path program 1 times [2023-08-27 03:33:06,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:06,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545188814] [2023-08-27 03:33:06,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:06,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:06,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:06,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:06,857 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:06,857 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:06,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-08-27 03:33:06,858 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:06,858 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:06,858 WARN L233 ceAbstractionStarter]: 41 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:06,858 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 42 thread instances. [2023-08-27 03:33:06,928 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:06,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 445 places, 361 transitions, 2654 flow [2023-08-27 03:33:07,162 INFO L124 PetriNetUnfolderBase]: 43/863 cut-off events. [2023-08-27 03:33:07,163 INFO L125 PetriNetUnfolderBase]: For 13202/13202 co-relation queries the response was YES. [2023-08-27 03:33:07,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1893 conditions, 863 events. 43/863 cut-off events. For 13202/13202 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1386 event pairs, 0 based on Foata normal form. 0/735 useless extension candidates. Maximal degree in co-relation 1818. Up to 86 conditions per place. [2023-08-27 03:33:07,191 INFO L82 GeneralOperation]: Start removeDead. Operand has 445 places, 361 transitions, 2654 flow [2023-08-27 03:33:07,194 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 440 places, 355 transitions, 2642 flow [2023-08-27 03:33:07,194 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:07,194 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 355 transitions, 2642 flow [2023-08-27 03:33:07,194 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 355 transitions, 2642 flow [2023-08-27 03:33:07,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 440 places, 355 transitions, 2642 flow [2023-08-27 03:33:07,317 INFO L124 PetriNetUnfolderBase]: 0/605 cut-off events. [2023-08-27 03:33:07,318 INFO L125 PetriNetUnfolderBase]: For 13202/13202 co-relation queries the response was YES. [2023-08-27 03:33:07,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 605 events. 0/605 cut-off events. For 13202/13202 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 594 event pairs, 0 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 0. Up to 43 conditions per place. [2023-08-27 03:33:07,351 INFO L119 LiptonReduction]: Number of co-enabled transitions 100548 [2023-08-27 03:33:12,290 INFO L134 LiptonReduction]: Checked pairs total: 306453 [2023-08-27 03:33:12,290 INFO L136 LiptonReduction]: Total number of compositions: 186 [2023-08-27 03:33:12,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:12,291 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:12,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:12,400 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:12,400 INFO L124 PetriNetUnfolderBase]: 0/295 cut-off events. [2023-08-27 03:33:12,400 INFO L125 PetriNetUnfolderBase]: For 13202/13202 co-relation queries the response was YES. [2023-08-27 03:33:12,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:12,400 INFO L208 CegarLoopForPetriNet]: trace histogram [42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:12,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:12,401 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:12,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1846035368, now seen corresponding path program 1 times [2023-08-27 03:33:12,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:12,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937587434] [2023-08-27 03:33:12,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:12,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:12,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:12,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:12,507 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:12,508 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:12,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-08-27 03:33:12,508 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:12,508 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:12,508 WARN L233 ceAbstractionStarter]: 42 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:12,508 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 43 thread instances. [2023-08-27 03:33:12,577 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:12,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 455 places, 369 transitions, 2759 flow [2023-08-27 03:33:12,821 INFO L124 PetriNetUnfolderBase]: 44/883 cut-off events. [2023-08-27 03:33:12,821 INFO L125 PetriNetUnfolderBase]: For 14147/14147 co-relation queries the response was YES. [2023-08-27 03:33:12,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1959 conditions, 883 events. 44/883 cut-off events. For 14147/14147 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1412 event pairs, 0 based on Foata normal form. 0/752 useless extension candidates. Maximal degree in co-relation 1883. Up to 88 conditions per place. [2023-08-27 03:33:12,843 INFO L82 GeneralOperation]: Start removeDead. Operand has 455 places, 369 transitions, 2759 flow [2023-08-27 03:33:12,846 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 450 places, 363 transitions, 2747 flow [2023-08-27 03:33:12,846 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:12,846 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 450 places, 363 transitions, 2747 flow [2023-08-27 03:33:12,847 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 450 places, 363 transitions, 2747 flow [2023-08-27 03:33:12,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 450 places, 363 transitions, 2747 flow [2023-08-27 03:33:12,977 INFO L124 PetriNetUnfolderBase]: 0/619 cut-off events. [2023-08-27 03:33:12,977 INFO L125 PetriNetUnfolderBase]: For 14147/14147 co-relation queries the response was YES. [2023-08-27 03:33:12,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1695 conditions, 619 events. 0/619 cut-off events. For 14147/14147 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 604 event pairs, 0 based on Foata normal form. 0/576 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place. [2023-08-27 03:33:13,013 INFO L119 LiptonReduction]: Number of co-enabled transitions 105350 [2023-08-27 03:33:18,083 INFO L134 LiptonReduction]: Checked pairs total: 318173 [2023-08-27 03:33:18,083 INFO L136 LiptonReduction]: Total number of compositions: 190 [2023-08-27 03:33:18,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:18,084 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:18,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:18,133 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:18,133 INFO L124 PetriNetUnfolderBase]: 0/301 cut-off events. [2023-08-27 03:33:18,133 INFO L125 PetriNetUnfolderBase]: For 14147/14147 co-relation queries the response was YES. [2023-08-27 03:33:18,133 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:18,133 INFO L208 CegarLoopForPetriNet]: trace histogram [43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:18,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:18,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:18,134 INFO L85 PathProgramCache]: Analyzing trace with hash -920612220, now seen corresponding path program 1 times [2023-08-27 03:33:18,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:18,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294479559] [2023-08-27 03:33:18,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:18,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:18,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:18,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:18,229 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:18,230 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:18,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-08-27 03:33:18,230 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:18,230 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:18,230 WARN L233 ceAbstractionStarter]: 43 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:18,230 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 44 thread instances. [2023-08-27 03:33:18,300 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:18,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 465 places, 377 transitions, 2866 flow [2023-08-27 03:33:18,490 INFO L124 PetriNetUnfolderBase]: 45/903 cut-off events. [2023-08-27 03:33:18,490 INFO L125 PetriNetUnfolderBase]: For 15136/15136 co-relation queries the response was YES. [2023-08-27 03:33:18,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2026 conditions, 903 events. 45/903 cut-off events. For 15136/15136 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1525 event pairs, 0 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1949. Up to 90 conditions per place. [2023-08-27 03:33:18,513 INFO L82 GeneralOperation]: Start removeDead. Operand has 465 places, 377 transitions, 2866 flow [2023-08-27 03:33:18,516 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 460 places, 371 transitions, 2854 flow [2023-08-27 03:33:18,516 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:18,516 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 371 transitions, 2854 flow [2023-08-27 03:33:18,516 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 371 transitions, 2854 flow [2023-08-27 03:33:18,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 460 places, 371 transitions, 2854 flow [2023-08-27 03:33:18,648 INFO L124 PetriNetUnfolderBase]: 0/633 cut-off events. [2023-08-27 03:33:18,648 INFO L125 PetriNetUnfolderBase]: For 15136/15136 co-relation queries the response was YES. [2023-08-27 03:33:18,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1756 conditions, 633 events. 0/633 cut-off events. For 15136/15136 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 616 event pairs, 0 based on Foata normal form. 0/589 useless extension candidates. Maximal degree in co-relation 0. Up to 45 conditions per place. [2023-08-27 03:33:18,686 INFO L119 LiptonReduction]: Number of co-enabled transitions 110264 [2023-08-27 03:33:23,973 INFO L134 LiptonReduction]: Checked pairs total: 332166 [2023-08-27 03:33:23,973 INFO L136 LiptonReduction]: Total number of compositions: 194 [2023-08-27 03:33:23,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:23,974 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:23,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:24,027 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:24,027 INFO L124 PetriNetUnfolderBase]: 0/309 cut-off events. [2023-08-27 03:33:24,027 INFO L125 PetriNetUnfolderBase]: For 15136/15136 co-relation queries the response was YES. [2023-08-27 03:33:24,027 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:24,027 INFO L208 CegarLoopForPetriNet]: trace histogram [44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:24,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:24,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash -653634403, now seen corresponding path program 1 times [2023-08-27 03:33:24,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:24,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194346350] [2023-08-27 03:33:24,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:24,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:24,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:24,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:24,138 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:24,138 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:24,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-08-27 03:33:24,138 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:24,138 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:24,138 WARN L233 ceAbstractionStarter]: 44 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:24,138 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 45 thread instances. [2023-08-27 03:33:24,208 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:24,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 475 places, 385 transitions, 2975 flow [2023-08-27 03:33:24,432 INFO L124 PetriNetUnfolderBase]: 46/923 cut-off events. [2023-08-27 03:33:24,433 INFO L125 PetriNetUnfolderBase]: For 16170/16170 co-relation queries the response was YES. [2023-08-27 03:33:24,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2094 conditions, 923 events. 46/923 cut-off events. For 16170/16170 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1587 event pairs, 0 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 2016. Up to 92 conditions per place. [2023-08-27 03:33:24,458 INFO L82 GeneralOperation]: Start removeDead. Operand has 475 places, 385 transitions, 2975 flow [2023-08-27 03:33:24,460 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 470 places, 379 transitions, 2963 flow [2023-08-27 03:33:24,461 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:24,461 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 470 places, 379 transitions, 2963 flow [2023-08-27 03:33:24,461 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 470 places, 379 transitions, 2963 flow [2023-08-27 03:33:24,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 470 places, 379 transitions, 2963 flow [2023-08-27 03:33:24,601 INFO L124 PetriNetUnfolderBase]: 0/647 cut-off events. [2023-08-27 03:33:24,601 INFO L125 PetriNetUnfolderBase]: For 16170/16170 co-relation queries the response was YES. [2023-08-27 03:33:24,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1818 conditions, 647 events. 0/647 cut-off events. For 16170/16170 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 638 event pairs, 0 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 0. Up to 46 conditions per place. [2023-08-27 03:33:24,640 INFO L119 LiptonReduction]: Number of co-enabled transitions 115290 [2023-08-27 03:33:30,012 INFO L134 LiptonReduction]: Checked pairs total: 353661 [2023-08-27 03:33:30,012 INFO L136 LiptonReduction]: Total number of compositions: 198 [2023-08-27 03:33:30,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:30,013 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:30,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:30,069 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:30,069 INFO L124 PetriNetUnfolderBase]: 0/315 cut-off events. [2023-08-27 03:33:30,070 INFO L125 PetriNetUnfolderBase]: For 16170/16170 co-relation queries the response was YES. [2023-08-27 03:33:30,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:30,070 INFO L208 CegarLoopForPetriNet]: trace histogram [45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:30,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:30,070 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:30,070 INFO L85 PathProgramCache]: Analyzing trace with hash -705462435, now seen corresponding path program 1 times [2023-08-27 03:33:30,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:30,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964218855] [2023-08-27 03:33:30,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:30,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:30,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:30,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:30,170 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:30,170 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:30,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-08-27 03:33:30,171 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:30,171 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:30,171 WARN L233 ceAbstractionStarter]: 45 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:30,171 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 46 thread instances. [2023-08-27 03:33:30,243 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:30,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 485 places, 393 transitions, 3086 flow [2023-08-27 03:33:30,461 INFO L124 PetriNetUnfolderBase]: 47/943 cut-off events. [2023-08-27 03:33:30,461 INFO L125 PetriNetUnfolderBase]: For 17250/17250 co-relation queries the response was YES. [2023-08-27 03:33:30,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2163 conditions, 943 events. 47/943 cut-off events. For 17250/17250 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1607 event pairs, 0 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 2084. Up to 94 conditions per place. [2023-08-27 03:33:30,486 INFO L82 GeneralOperation]: Start removeDead. Operand has 485 places, 393 transitions, 3086 flow [2023-08-27 03:33:30,489 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 480 places, 387 transitions, 3074 flow [2023-08-27 03:33:30,489 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:30,489 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 480 places, 387 transitions, 3074 flow [2023-08-27 03:33:30,489 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 480 places, 387 transitions, 3074 flow [2023-08-27 03:33:30,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 480 places, 387 transitions, 3074 flow [2023-08-27 03:33:30,632 INFO L124 PetriNetUnfolderBase]: 0/661 cut-off events. [2023-08-27 03:33:30,632 INFO L125 PetriNetUnfolderBase]: For 17250/17250 co-relation queries the response was YES. [2023-08-27 03:33:30,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1881 conditions, 661 events. 0/661 cut-off events. For 17250/17250 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 654 event pairs, 0 based on Foata normal form. 0/615 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place. [2023-08-27 03:33:30,673 INFO L119 LiptonReduction]: Number of co-enabled transitions 120428 [2023-08-27 03:33:36,074 INFO L134 LiptonReduction]: Checked pairs total: 362829 [2023-08-27 03:33:36,074 INFO L136 LiptonReduction]: Total number of compositions: 202 [2023-08-27 03:33:36,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:36,075 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:36,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:36,131 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:36,131 INFO L124 PetriNetUnfolderBase]: 0/323 cut-off events. [2023-08-27 03:33:36,131 INFO L125 PetriNetUnfolderBase]: For 17250/17250 co-relation queries the response was YES. [2023-08-27 03:33:36,131 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:36,131 INFO L208 CegarLoopForPetriNet]: trace histogram [46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:36,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:36,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1937813138, now seen corresponding path program 1 times [2023-08-27 03:33:36,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:36,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816980119] [2023-08-27 03:33:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:36,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:36,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:36,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:36,246 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:36,246 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:36,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-08-27 03:33:36,246 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:36,247 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:36,247 WARN L233 ceAbstractionStarter]: 46 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:36,247 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 47 thread instances. [2023-08-27 03:33:36,338 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:36,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 495 places, 401 transitions, 3199 flow [2023-08-27 03:33:36,561 INFO L124 PetriNetUnfolderBase]: 48/963 cut-off events. [2023-08-27 03:33:36,561 INFO L125 PetriNetUnfolderBase]: For 18377/18377 co-relation queries the response was YES. [2023-08-27 03:33:36,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2233 conditions, 963 events. 48/963 cut-off events. For 18377/18377 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1661 event pairs, 0 based on Foata normal form. 0/820 useless extension candidates. Maximal degree in co-relation 2153. Up to 96 conditions per place. [2023-08-27 03:33:36,588 INFO L82 GeneralOperation]: Start removeDead. Operand has 495 places, 401 transitions, 3199 flow [2023-08-27 03:33:36,590 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 490 places, 395 transitions, 3187 flow [2023-08-27 03:33:36,591 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:36,591 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 490 places, 395 transitions, 3187 flow [2023-08-27 03:33:36,591 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 490 places, 395 transitions, 3187 flow [2023-08-27 03:33:36,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 490 places, 395 transitions, 3187 flow [2023-08-27 03:33:36,743 INFO L124 PetriNetUnfolderBase]: 0/675 cut-off events. [2023-08-27 03:33:36,743 INFO L125 PetriNetUnfolderBase]: For 18377/18377 co-relation queries the response was YES. [2023-08-27 03:33:36,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1945 conditions, 675 events. 0/675 cut-off events. For 18377/18377 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 672 event pairs, 0 based on Foata normal form. 0/628 useless extension candidates. Maximal degree in co-relation 0. Up to 48 conditions per place. [2023-08-27 03:33:36,886 INFO L119 LiptonReduction]: Number of co-enabled transitions 125678 [2023-08-27 03:33:42,338 INFO L134 LiptonReduction]: Checked pairs total: 379101 [2023-08-27 03:33:42,338 INFO L136 LiptonReduction]: Total number of compositions: 206 [2023-08-27 03:33:42,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:42,339 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:42,339 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:42,397 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:42,398 INFO L124 PetriNetUnfolderBase]: 0/329 cut-off events. [2023-08-27 03:33:42,398 INFO L125 PetriNetUnfolderBase]: For 18377/18377 co-relation queries the response was YES. [2023-08-27 03:33:42,398 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:42,398 INFO L208 CegarLoopForPetriNet]: trace histogram [47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:42,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:42,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:42,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1564676441, now seen corresponding path program 1 times [2023-08-27 03:33:42,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:42,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932542665] [2023-08-27 03:33:42,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:42,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:42,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:42,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:42,508 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:42,508 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:42,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-08-27 03:33:42,508 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:42,508 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:42,508 WARN L233 ceAbstractionStarter]: 47 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:42,508 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 48 thread instances. [2023-08-27 03:33:42,593 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:42,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 505 places, 409 transitions, 3314 flow [2023-08-27 03:33:42,953 INFO L124 PetriNetUnfolderBase]: 49/983 cut-off events. [2023-08-27 03:33:42,953 INFO L125 PetriNetUnfolderBase]: For 19552/19552 co-relation queries the response was YES. [2023-08-27 03:33:42,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2304 conditions, 983 events. 49/983 cut-off events. For 19552/19552 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1689 event pairs, 0 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 2223. Up to 98 conditions per place. [2023-08-27 03:33:42,971 INFO L82 GeneralOperation]: Start removeDead. Operand has 505 places, 409 transitions, 3314 flow [2023-08-27 03:33:42,973 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 500 places, 403 transitions, 3302 flow [2023-08-27 03:33:42,973 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:42,973 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 500 places, 403 transitions, 3302 flow [2023-08-27 03:33:42,973 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 500 places, 403 transitions, 3302 flow [2023-08-27 03:33:42,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 500 places, 403 transitions, 3302 flow [2023-08-27 03:33:43,133 INFO L124 PetriNetUnfolderBase]: 0/689 cut-off events. [2023-08-27 03:33:43,133 INFO L125 PetriNetUnfolderBase]: For 19552/19552 co-relation queries the response was YES. [2023-08-27 03:33:43,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2010 conditions, 689 events. 0/689 cut-off events. For 19552/19552 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 688 event pairs, 0 based on Foata normal form. 0/641 useless extension candidates. Maximal degree in co-relation 0. Up to 49 conditions per place. [2023-08-27 03:33:43,178 INFO L119 LiptonReduction]: Number of co-enabled transitions 131040 [2023-08-27 03:33:48,819 INFO L134 LiptonReduction]: Checked pairs total: 399922 [2023-08-27 03:33:48,820 INFO L136 LiptonReduction]: Total number of compositions: 210 [2023-08-27 03:33:48,821 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:48,821 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:48,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:48,882 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:48,883 INFO L124 PetriNetUnfolderBase]: 0/337 cut-off events. [2023-08-27 03:33:48,883 INFO L125 PetriNetUnfolderBase]: For 19552/19552 co-relation queries the response was YES. [2023-08-27 03:33:48,883 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:48,883 INFO L208 CegarLoopForPetriNet]: trace histogram [48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:48,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:48,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:48,883 INFO L85 PathProgramCache]: Analyzing trace with hash -207820921, now seen corresponding path program 1 times [2023-08-27 03:33:48,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:48,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313235928] [2023-08-27 03:33:48,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:48,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:48,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:49,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:49,044 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:49,044 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:49,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-08-27 03:33:49,045 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:49,045 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:49,045 WARN L233 ceAbstractionStarter]: 48 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:49,045 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 49 thread instances. [2023-08-27 03:33:49,120 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:49,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 515 places, 417 transitions, 3431 flow [2023-08-27 03:33:49,355 INFO L124 PetriNetUnfolderBase]: 50/1003 cut-off events. [2023-08-27 03:33:49,355 INFO L125 PetriNetUnfolderBase]: For 20776/20776 co-relation queries the response was YES. [2023-08-27 03:33:49,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2376 conditions, 1003 events. 50/1003 cut-off events. For 20776/20776 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1728 event pairs, 0 based on Foata normal form. 0/854 useless extension candidates. Maximal degree in co-relation 2294. Up to 100 conditions per place. [2023-08-27 03:33:49,385 INFO L82 GeneralOperation]: Start removeDead. Operand has 515 places, 417 transitions, 3431 flow [2023-08-27 03:33:49,387 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 510 places, 411 transitions, 3419 flow [2023-08-27 03:33:49,387 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:49,387 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 510 places, 411 transitions, 3419 flow [2023-08-27 03:33:49,387 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 510 places, 411 transitions, 3419 flow [2023-08-27 03:33:49,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 510 places, 411 transitions, 3419 flow [2023-08-27 03:33:49,551 INFO L124 PetriNetUnfolderBase]: 0/703 cut-off events. [2023-08-27 03:33:49,551 INFO L125 PetriNetUnfolderBase]: For 20776/20776 co-relation queries the response was YES. [2023-08-27 03:33:49,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2076 conditions, 703 events. 0/703 cut-off events. For 20776/20776 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 701 event pairs, 0 based on Foata normal form. 0/654 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place. [2023-08-27 03:33:49,598 INFO L119 LiptonReduction]: Number of co-enabled transitions 136514 [2023-08-27 03:33:55,346 INFO L134 LiptonReduction]: Checked pairs total: 417391 [2023-08-27 03:33:55,346 INFO L136 LiptonReduction]: Total number of compositions: 214 [2023-08-27 03:33:55,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:33:55,347 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:33:55,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:33:55,415 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:33:55,416 INFO L124 PetriNetUnfolderBase]: 0/344 cut-off events. [2023-08-27 03:33:55,416 INFO L125 PetriNetUnfolderBase]: For 20776/20776 co-relation queries the response was YES. [2023-08-27 03:33:55,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:33:55,416 INFO L208 CegarLoopForPetriNet]: trace histogram [49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:33:55,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:33:55,416 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:33:55,416 INFO L85 PathProgramCache]: Analyzing trace with hash -847546496, now seen corresponding path program 1 times [2023-08-27 03:33:55,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:33:55,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115886416] [2023-08-27 03:33:55,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:33:55,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:33:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:55,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:33:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:33:55,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:33:55,532 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:33:55,533 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:33:55,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-08-27 03:33:55,533 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:33:55,533 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:33:55,533 WARN L233 ceAbstractionStarter]: 49 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:33:55,533 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 50 thread instances. [2023-08-27 03:33:55,614 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:33:55,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 525 places, 425 transitions, 3550 flow [2023-08-27 03:33:55,901 INFO L124 PetriNetUnfolderBase]: 51/1023 cut-off events. [2023-08-27 03:33:55,901 INFO L125 PetriNetUnfolderBase]: For 22050/22050 co-relation queries the response was YES. [2023-08-27 03:33:55,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2449 conditions, 1023 events. 51/1023 cut-off events. For 22050/22050 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1760 event pairs, 0 based on Foata normal form. 0/871 useless extension candidates. Maximal degree in co-relation 2366. Up to 102 conditions per place. [2023-08-27 03:33:55,933 INFO L82 GeneralOperation]: Start removeDead. Operand has 525 places, 425 transitions, 3550 flow [2023-08-27 03:33:55,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 520 places, 419 transitions, 3538 flow [2023-08-27 03:33:55,937 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:33:55,937 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 520 places, 419 transitions, 3538 flow [2023-08-27 03:33:55,937 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 520 places, 419 transitions, 3538 flow [2023-08-27 03:33:55,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 520 places, 419 transitions, 3538 flow [2023-08-27 03:33:56,123 INFO L124 PetriNetUnfolderBase]: 0/717 cut-off events. [2023-08-27 03:33:56,123 INFO L125 PetriNetUnfolderBase]: For 22050/22050 co-relation queries the response was YES. [2023-08-27 03:33:56,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2143 conditions, 717 events. 0/717 cut-off events. For 22050/22050 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 714 event pairs, 0 based on Foata normal form. 0/667 useless extension candidates. Maximal degree in co-relation 0. Up to 51 conditions per place. [2023-08-27 03:33:56,176 INFO L119 LiptonReduction]: Number of co-enabled transitions 142100 [2023-08-27 03:34:02,087 INFO L134 LiptonReduction]: Checked pairs total: 430006 [2023-08-27 03:34:02,087 INFO L136 LiptonReduction]: Total number of compositions: 218 [2023-08-27 03:34:02,088 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:34:02,088 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:34:02,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:34:02,155 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:34:02,155 INFO L124 PetriNetUnfolderBase]: 0/350 cut-off events. [2023-08-27 03:34:02,155 INFO L125 PetriNetUnfolderBase]: For 22050/22050 co-relation queries the response was YES. [2023-08-27 03:34:02,155 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:34:02,155 INFO L208 CegarLoopForPetriNet]: trace histogram [50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:34:02,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:34:02,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:34:02,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1696130780, now seen corresponding path program 1 times [2023-08-27 03:34:02,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:34:02,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722094970] [2023-08-27 03:34:02,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:34:02,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:34:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:02,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:34:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:02,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:34:02,273 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:34:02,273 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:34:02,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-08-27 03:34:02,273 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:34:02,274 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:34:02,274 WARN L233 ceAbstractionStarter]: 50 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:34:02,274 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 51 thread instances. [2023-08-27 03:34:02,349 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:34:02,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 535 places, 433 transitions, 3671 flow [2023-08-27 03:34:02,603 INFO L124 PetriNetUnfolderBase]: 52/1043 cut-off events. [2023-08-27 03:34:02,603 INFO L125 PetriNetUnfolderBase]: For 23375/23375 co-relation queries the response was YES. [2023-08-27 03:34:02,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2523 conditions, 1043 events. 52/1043 cut-off events. For 23375/23375 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1799 event pairs, 0 based on Foata normal form. 0/888 useless extension candidates. Maximal degree in co-relation 2439. Up to 104 conditions per place. [2023-08-27 03:34:02,636 INFO L82 GeneralOperation]: Start removeDead. Operand has 535 places, 433 transitions, 3671 flow [2023-08-27 03:34:02,639 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 530 places, 427 transitions, 3659 flow [2023-08-27 03:34:02,639 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:34:02,639 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 427 transitions, 3659 flow [2023-08-27 03:34:02,639 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 427 transitions, 3659 flow [2023-08-27 03:34:02,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 530 places, 427 transitions, 3659 flow [2023-08-27 03:34:02,885 INFO L124 PetriNetUnfolderBase]: 0/731 cut-off events. [2023-08-27 03:34:02,885 INFO L125 PetriNetUnfolderBase]: For 23375/23375 co-relation queries the response was YES. [2023-08-27 03:34:02,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2211 conditions, 731 events. 0/731 cut-off events. For 23375/23375 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 732 event pairs, 0 based on Foata normal form. 0/680 useless extension candidates. Maximal degree in co-relation 0. Up to 52 conditions per place. [2023-08-27 03:34:02,931 INFO L119 LiptonReduction]: Number of co-enabled transitions 147798 [2023-08-27 03:34:08,830 INFO L134 LiptonReduction]: Checked pairs total: 450788 [2023-08-27 03:34:08,830 INFO L136 LiptonReduction]: Total number of compositions: 222 [2023-08-27 03:34:08,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:34:08,831 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:34:08,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:34:08,900 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:34:08,901 INFO L124 PetriNetUnfolderBase]: 0/358 cut-off events. [2023-08-27 03:34:08,901 INFO L125 PetriNetUnfolderBase]: For 23375/23375 co-relation queries the response was YES. [2023-08-27 03:34:08,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:34:08,901 INFO L208 CegarLoopForPetriNet]: trace histogram [51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:34:08,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:34:08,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:34:08,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1978460424, now seen corresponding path program 1 times [2023-08-27 03:34:08,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:34:08,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599385722] [2023-08-27 03:34:08,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:34:08,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:34:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:08,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:34:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:09,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:34:09,019 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:34:09,019 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:34:09,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-08-27 03:34:09,019 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:34:09,019 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:34:09,020 WARN L233 ceAbstractionStarter]: 51 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:34:09,020 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 52 thread instances. [2023-08-27 03:34:09,100 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:34:09,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 545 places, 441 transitions, 3794 flow [2023-08-27 03:34:09,431 INFO L124 PetriNetUnfolderBase]: 53/1063 cut-off events. [2023-08-27 03:34:09,432 INFO L125 PetriNetUnfolderBase]: For 24752/24752 co-relation queries the response was YES. [2023-08-27 03:34:09,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2598 conditions, 1063 events. 53/1063 cut-off events. For 24752/24752 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1827 event pairs, 0 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 2513. Up to 106 conditions per place. [2023-08-27 03:34:09,465 INFO L82 GeneralOperation]: Start removeDead. Operand has 545 places, 441 transitions, 3794 flow [2023-08-27 03:34:09,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 540 places, 435 transitions, 3782 flow [2023-08-27 03:34:09,468 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:34:09,468 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 540 places, 435 transitions, 3782 flow [2023-08-27 03:34:09,468 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 540 places, 435 transitions, 3782 flow [2023-08-27 03:34:09,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 540 places, 435 transitions, 3782 flow [2023-08-27 03:34:09,651 INFO L124 PetriNetUnfolderBase]: 0/745 cut-off events. [2023-08-27 03:34:09,651 INFO L125 PetriNetUnfolderBase]: For 24752/24752 co-relation queries the response was YES. [2023-08-27 03:34:09,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2280 conditions, 745 events. 0/745 cut-off events. For 24752/24752 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 747 event pairs, 0 based on Foata normal form. 0/693 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place. [2023-08-27 03:34:09,706 INFO L119 LiptonReduction]: Number of co-enabled transitions 153608 [2023-08-27 03:34:15,814 INFO L134 LiptonReduction]: Checked pairs total: 459623 [2023-08-27 03:34:15,815 INFO L136 LiptonReduction]: Total number of compositions: 226 [2023-08-27 03:34:15,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:34:15,816 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:34:15,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:34:15,888 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:34:15,888 INFO L124 PetriNetUnfolderBase]: 0/364 cut-off events. [2023-08-27 03:34:15,888 INFO L125 PetriNetUnfolderBase]: For 24752/24752 co-relation queries the response was YES. [2023-08-27 03:34:15,888 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:34:15,889 INFO L208 CegarLoopForPetriNet]: trace histogram [52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:34:15,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:34:15,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:34:15,889 INFO L85 PathProgramCache]: Analyzing trace with hash 443043441, now seen corresponding path program 1 times [2023-08-27 03:34:15,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:34:15,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783363169] [2023-08-27 03:34:15,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:34:15,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:34:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:15,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:34:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:16,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:34:16,023 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:34:16,023 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:34:16,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-08-27 03:34:16,023 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:34:16,023 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:34:16,023 WARN L233 ceAbstractionStarter]: 52 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:34:16,023 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 53 thread instances. [2023-08-27 03:34:16,103 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:34:16,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 555 places, 449 transitions, 3919 flow [2023-08-27 03:34:16,380 INFO L124 PetriNetUnfolderBase]: 54/1083 cut-off events. [2023-08-27 03:34:16,380 INFO L125 PetriNetUnfolderBase]: For 26182/26182 co-relation queries the response was YES. [2023-08-27 03:34:16,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2674 conditions, 1083 events. 54/1083 cut-off events. For 26182/26182 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1876 event pairs, 0 based on Foata normal form. 0/922 useless extension candidates. Maximal degree in co-relation 2588. Up to 108 conditions per place. [2023-08-27 03:34:16,417 INFO L82 GeneralOperation]: Start removeDead. Operand has 555 places, 449 transitions, 3919 flow [2023-08-27 03:34:16,419 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 550 places, 443 transitions, 3907 flow [2023-08-27 03:34:16,419 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:34:16,419 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 550 places, 443 transitions, 3907 flow [2023-08-27 03:34:16,419 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 550 places, 443 transitions, 3907 flow [2023-08-27 03:34:16,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 550 places, 443 transitions, 3907 flow [2023-08-27 03:34:16,612 INFO L124 PetriNetUnfolderBase]: 0/759 cut-off events. [2023-08-27 03:34:16,612 INFO L125 PetriNetUnfolderBase]: For 26182/26182 co-relation queries the response was YES. [2023-08-27 03:34:16,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2350 conditions, 759 events. 0/759 cut-off events. For 26182/26182 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 761 event pairs, 0 based on Foata normal form. 0/706 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2023-08-27 03:34:16,670 INFO L119 LiptonReduction]: Number of co-enabled transitions 159530 [2023-08-27 03:34:22,826 INFO L134 LiptonReduction]: Checked pairs total: 483291 [2023-08-27 03:34:22,826 INFO L136 LiptonReduction]: Total number of compositions: 230 [2023-08-27 03:34:22,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:34:22,827 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:34:22,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:34:22,901 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:34:22,901 INFO L124 PetriNetUnfolderBase]: 0/372 cut-off events. [2023-08-27 03:34:22,901 INFO L125 PetriNetUnfolderBase]: For 26182/26182 co-relation queries the response was YES. [2023-08-27 03:34:22,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:34:22,901 INFO L208 CegarLoopForPetriNet]: trace histogram [53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:34:22,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:34:22,902 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:34:22,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1300582049, now seen corresponding path program 1 times [2023-08-27 03:34:22,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:34:22,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166147757] [2023-08-27 03:34:22,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:34:22,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:34:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:22,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:34:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:23,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:34:23,026 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:34:23,027 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:34:23,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-08-27 03:34:23,027 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:34:23,027 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:34:23,027 WARN L233 ceAbstractionStarter]: 53 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:34:23,027 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 54 thread instances. [2023-08-27 03:34:23,102 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:34:23,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 565 places, 457 transitions, 4046 flow [2023-08-27 03:34:23,483 INFO L124 PetriNetUnfolderBase]: 55/1103 cut-off events. [2023-08-27 03:34:23,483 INFO L125 PetriNetUnfolderBase]: For 27666/27666 co-relation queries the response was YES. [2023-08-27 03:34:23,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2751 conditions, 1103 events. 55/1103 cut-off events. For 27666/27666 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1903 event pairs, 0 based on Foata normal form. 0/939 useless extension candidates. Maximal degree in co-relation 2664. Up to 110 conditions per place. [2023-08-27 03:34:23,508 INFO L82 GeneralOperation]: Start removeDead. Operand has 565 places, 457 transitions, 4046 flow [2023-08-27 03:34:23,511 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 560 places, 451 transitions, 4034 flow [2023-08-27 03:34:23,511 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:34:23,511 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 560 places, 451 transitions, 4034 flow [2023-08-27 03:34:23,511 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 560 places, 451 transitions, 4034 flow [2023-08-27 03:34:23,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 560 places, 451 transitions, 4034 flow [2023-08-27 03:34:23,758 INFO L124 PetriNetUnfolderBase]: 0/773 cut-off events. [2023-08-27 03:34:23,758 INFO L125 PetriNetUnfolderBase]: For 27666/27666 co-relation queries the response was YES. [2023-08-27 03:34:23,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2421 conditions, 773 events. 0/773 cut-off events. For 27666/27666 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 774 event pairs, 0 based on Foata normal form. 0/719 useless extension candidates. Maximal degree in co-relation 0. Up to 55 conditions per place. [2023-08-27 03:34:23,817 INFO L119 LiptonReduction]: Number of co-enabled transitions 165564 [2023-08-27 03:34:30,158 INFO L134 LiptonReduction]: Checked pairs total: 502503 [2023-08-27 03:34:30,158 INFO L136 LiptonReduction]: Total number of compositions: 234 [2023-08-27 03:34:30,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:34:30,159 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:34:30,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:34:30,240 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:34:30,241 INFO L124 PetriNetUnfolderBase]: 0/379 cut-off events. [2023-08-27 03:34:30,241 INFO L125 PetriNetUnfolderBase]: For 27666/27666 co-relation queries the response was YES. [2023-08-27 03:34:30,241 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:34:30,241 INFO L208 CegarLoopForPetriNet]: trace histogram [54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:34:30,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:34:30,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:34:30,241 INFO L85 PathProgramCache]: Analyzing trace with hash 806725734, now seen corresponding path program 1 times [2023-08-27 03:34:30,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:34:30,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494551622] [2023-08-27 03:34:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:34:30,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:34:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:30,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:34:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:30,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:34:30,370 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:34:30,370 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:34:30,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-08-27 03:34:30,370 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:34:30,370 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:34:30,371 WARN L233 ceAbstractionStarter]: 54 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:34:30,371 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 55 thread instances. [2023-08-27 03:34:30,450 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:34:30,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 575 places, 465 transitions, 4175 flow [2023-08-27 03:34:30,744 INFO L124 PetriNetUnfolderBase]: 56/1123 cut-off events. [2023-08-27 03:34:30,744 INFO L125 PetriNetUnfolderBase]: For 29205/29205 co-relation queries the response was YES. [2023-08-27 03:34:30,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2829 conditions, 1123 events. 56/1123 cut-off events. For 29205/29205 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1929 event pairs, 0 based on Foata normal form. 0/956 useless extension candidates. Maximal degree in co-relation 2741. Up to 112 conditions per place. [2023-08-27 03:34:30,784 INFO L82 GeneralOperation]: Start removeDead. Operand has 575 places, 465 transitions, 4175 flow [2023-08-27 03:34:30,786 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 570 places, 459 transitions, 4163 flow [2023-08-27 03:34:30,786 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:34:30,786 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 570 places, 459 transitions, 4163 flow [2023-08-27 03:34:30,786 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 570 places, 459 transitions, 4163 flow [2023-08-27 03:34:30,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 570 places, 459 transitions, 4163 flow [2023-08-27 03:34:30,997 INFO L124 PetriNetUnfolderBase]: 0/787 cut-off events. [2023-08-27 03:34:30,997 INFO L125 PetriNetUnfolderBase]: For 29205/29205 co-relation queries the response was YES. [2023-08-27 03:34:30,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2493 conditions, 787 events. 0/787 cut-off events. For 29205/29205 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 784 event pairs, 0 based on Foata normal form. 0/732 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place. [2023-08-27 03:34:31,062 INFO L119 LiptonReduction]: Number of co-enabled transitions 171710 [2023-08-27 03:34:37,628 INFO L134 LiptonReduction]: Checked pairs total: 522602 [2023-08-27 03:34:37,628 INFO L136 LiptonReduction]: Total number of compositions: 238 [2023-08-27 03:34:37,629 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:34:37,629 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:34:37,629 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:34:37,711 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:34:37,711 INFO L124 PetriNetUnfolderBase]: 0/385 cut-off events. [2023-08-27 03:34:37,711 INFO L125 PetriNetUnfolderBase]: For 29205/29205 co-relation queries the response was YES. [2023-08-27 03:34:37,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:34:37,711 INFO L208 CegarLoopForPetriNet]: trace histogram [55, 55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:34:37,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:34:37,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:34:37,712 INFO L85 PathProgramCache]: Analyzing trace with hash -955950230, now seen corresponding path program 1 times [2023-08-27 03:34:37,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:34:37,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172418915] [2023-08-27 03:34:37,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:34:37,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:34:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:37,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:34:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:37,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:34:37,827 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:34:37,827 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:34:37,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-08-27 03:34:37,827 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:34:37,827 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:34:37,827 WARN L233 ceAbstractionStarter]: 55 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:34:37,827 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 56 thread instances. [2023-08-27 03:34:37,906 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:34:37,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 585 places, 473 transitions, 4306 flow [2023-08-27 03:34:38,211 INFO L124 PetriNetUnfolderBase]: 57/1143 cut-off events. [2023-08-27 03:34:38,211 INFO L125 PetriNetUnfolderBase]: For 30800/30800 co-relation queries the response was YES. [2023-08-27 03:34:38,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2908 conditions, 1143 events. 57/1143 cut-off events. For 30800/30800 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1989 event pairs, 0 based on Foata normal form. 0/973 useless extension candidates. Maximal degree in co-relation 2819. Up to 114 conditions per place. [2023-08-27 03:34:38,251 INFO L82 GeneralOperation]: Start removeDead. Operand has 585 places, 473 transitions, 4306 flow [2023-08-27 03:34:38,255 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 580 places, 467 transitions, 4294 flow [2023-08-27 03:34:38,255 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:34:38,255 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 580 places, 467 transitions, 4294 flow [2023-08-27 03:34:38,256 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 580 places, 467 transitions, 4294 flow [2023-08-27 03:34:38,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 580 places, 467 transitions, 4294 flow [2023-08-27 03:34:38,590 INFO L124 PetriNetUnfolderBase]: 0/801 cut-off events. [2023-08-27 03:34:38,590 INFO L125 PetriNetUnfolderBase]: For 30800/30800 co-relation queries the response was YES. [2023-08-27 03:34:38,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2566 conditions, 801 events. 0/801 cut-off events. For 30800/30800 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 809 event pairs, 0 based on Foata normal form. 0/745 useless extension candidates. Maximal degree in co-relation 0. Up to 57 conditions per place. [2023-08-27 03:34:38,652 INFO L119 LiptonReduction]: Number of co-enabled transitions 177968 [2023-08-27 03:34:45,031 INFO L134 LiptonReduction]: Checked pairs total: 541817 [2023-08-27 03:34:45,031 INFO L136 LiptonReduction]: Total number of compositions: 242 [2023-08-27 03:34:45,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:34:45,032 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:34:45,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:34:45,127 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:34:45,127 INFO L124 PetriNetUnfolderBase]: 0/392 cut-off events. [2023-08-27 03:34:45,127 INFO L125 PetriNetUnfolderBase]: For 30800/30800 co-relation queries the response was YES. [2023-08-27 03:34:45,127 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:34:45,128 INFO L208 CegarLoopForPetriNet]: trace histogram [56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:34:45,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:34:45,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:34:45,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1837454299, now seen corresponding path program 1 times [2023-08-27 03:34:45,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:34:45,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340137997] [2023-08-27 03:34:45,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:34:45,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:34:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:45,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:34:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:45,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:34:45,268 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:34:45,268 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:34:45,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-08-27 03:34:45,269 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:34:45,269 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:34:45,269 WARN L233 ceAbstractionStarter]: 56 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:34:45,269 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 57 thread instances. [2023-08-27 03:34:45,357 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:34:45,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 481 transitions, 4439 flow [2023-08-27 03:34:45,737 INFO L124 PetriNetUnfolderBase]: 58/1163 cut-off events. [2023-08-27 03:34:45,738 INFO L125 PetriNetUnfolderBase]: For 32452/32452 co-relation queries the response was YES. [2023-08-27 03:34:45,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2988 conditions, 1163 events. 58/1163 cut-off events. For 32452/32452 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2011 event pairs, 0 based on Foata normal form. 0/990 useless extension candidates. Maximal degree in co-relation 2898. Up to 116 conditions per place. [2023-08-27 03:34:45,775 INFO L82 GeneralOperation]: Start removeDead. Operand has 595 places, 481 transitions, 4439 flow [2023-08-27 03:34:45,778 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 590 places, 475 transitions, 4427 flow [2023-08-27 03:34:45,778 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:34:45,778 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 590 places, 475 transitions, 4427 flow [2023-08-27 03:34:45,779 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 590 places, 475 transitions, 4427 flow [2023-08-27 03:34:45,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 590 places, 475 transitions, 4427 flow [2023-08-27 03:34:46,019 INFO L124 PetriNetUnfolderBase]: 0/815 cut-off events. [2023-08-27 03:34:46,019 INFO L125 PetriNetUnfolderBase]: For 32452/32452 co-relation queries the response was YES. [2023-08-27 03:34:46,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2640 conditions, 815 events. 0/815 cut-off events. For 32452/32452 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 818 event pairs, 0 based on Foata normal form. 0/758 useless extension candidates. Maximal degree in co-relation 0. Up to 58 conditions per place. [2023-08-27 03:34:46,089 INFO L119 LiptonReduction]: Number of co-enabled transitions 184338 [2023-08-27 03:34:52,753 INFO L134 LiptonReduction]: Checked pairs total: 558991 [2023-08-27 03:34:52,754 INFO L136 LiptonReduction]: Total number of compositions: 246 [2023-08-27 03:34:52,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:34:52,754 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:34:52,755 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:34:52,841 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:34:52,841 INFO L124 PetriNetUnfolderBase]: 0/399 cut-off events. [2023-08-27 03:34:52,842 INFO L125 PetriNetUnfolderBase]: For 32452/32452 co-relation queries the response was YES. [2023-08-27 03:34:52,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:34:52,842 INFO L208 CegarLoopForPetriNet]: trace histogram [57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:34:52,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:34:52,842 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:34:52,842 INFO L85 PathProgramCache]: Analyzing trace with hash -805056828, now seen corresponding path program 1 times [2023-08-27 03:34:52,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:34:52,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513248817] [2023-08-27 03:34:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:34:52,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:34:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:52,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:34:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:34:52,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:34:52,999 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:34:53,000 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:34:53,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-08-27 03:34:53,005 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:34:53,005 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:34:53,005 WARN L233 ceAbstractionStarter]: 57 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:34:53,005 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 58 thread instances. [2023-08-27 03:34:53,089 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:34:53,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 605 places, 489 transitions, 4574 flow [2023-08-27 03:34:53,424 INFO L124 PetriNetUnfolderBase]: 59/1183 cut-off events. [2023-08-27 03:34:53,424 INFO L125 PetriNetUnfolderBase]: For 34162/34162 co-relation queries the response was YES. [2023-08-27 03:34:53,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3069 conditions, 1183 events. 59/1183 cut-off events. For 34162/34162 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2016 event pairs, 0 based on Foata normal form. 0/1007 useless extension candidates. Maximal degree in co-relation 2978. Up to 118 conditions per place. [2023-08-27 03:34:53,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 605 places, 489 transitions, 4574 flow [2023-08-27 03:34:53,471 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 600 places, 483 transitions, 4562 flow [2023-08-27 03:34:53,471 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:34:53,471 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 600 places, 483 transitions, 4562 flow [2023-08-27 03:34:53,471 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 600 places, 483 transitions, 4562 flow [2023-08-27 03:34:53,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 600 places, 483 transitions, 4562 flow [2023-08-27 03:34:53,706 INFO L124 PetriNetUnfolderBase]: 0/829 cut-off events. [2023-08-27 03:34:53,707 INFO L125 PetriNetUnfolderBase]: For 34162/34162 co-relation queries the response was YES. [2023-08-27 03:34:53,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2715 conditions, 829 events. 0/829 cut-off events. For 34162/34162 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 822 event pairs, 0 based on Foata normal form. 0/771 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place. [2023-08-27 03:34:53,780 INFO L119 LiptonReduction]: Number of co-enabled transitions 190820 [2023-08-27 03:35:00,475 INFO L134 LiptonReduction]: Checked pairs total: 582182 [2023-08-27 03:35:00,475 INFO L136 LiptonReduction]: Total number of compositions: 250 [2023-08-27 03:35:00,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:35:00,476 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:35:00,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:35:00,569 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:35:00,569 INFO L124 PetriNetUnfolderBase]: 0/406 cut-off events. [2023-08-27 03:35:00,570 INFO L125 PetriNetUnfolderBase]: For 34162/34162 co-relation queries the response was YES. [2023-08-27 03:35:00,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:35:00,570 INFO L208 CegarLoopForPetriNet]: trace histogram [58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:35:00,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:35:00,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:35:00,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1176737616, now seen corresponding path program 1 times [2023-08-27 03:35:00,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:35:00,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885715978] [2023-08-27 03:35:00,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:35:00,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:35:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:00,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:35:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:00,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:35:00,697 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:35:00,697 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:35:00,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-08-27 03:35:00,698 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:35:00,698 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:35:00,698 WARN L233 ceAbstractionStarter]: 58 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:35:00,698 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 59 thread instances. [2023-08-27 03:35:00,779 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:35:00,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 615 places, 497 transitions, 4711 flow [2023-08-27 03:35:01,118 INFO L124 PetriNetUnfolderBase]: 60/1203 cut-off events. [2023-08-27 03:35:01,118 INFO L125 PetriNetUnfolderBase]: For 35931/35931 co-relation queries the response was YES. [2023-08-27 03:35:01,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3151 conditions, 1203 events. 60/1203 cut-off events. For 35931/35931 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2090 event pairs, 0 based on Foata normal form. 0/1024 useless extension candidates. Maximal degree in co-relation 3059. Up to 120 conditions per place. [2023-08-27 03:35:01,163 INFO L82 GeneralOperation]: Start removeDead. Operand has 615 places, 497 transitions, 4711 flow [2023-08-27 03:35:01,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 610 places, 491 transitions, 4699 flow [2023-08-27 03:35:01,166 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:35:01,166 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 610 places, 491 transitions, 4699 flow [2023-08-27 03:35:01,166 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 610 places, 491 transitions, 4699 flow [2023-08-27 03:35:01,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 610 places, 491 transitions, 4699 flow [2023-08-27 03:35:01,484 INFO L124 PetriNetUnfolderBase]: 0/843 cut-off events. [2023-08-27 03:35:01,484 INFO L125 PetriNetUnfolderBase]: For 35931/35931 co-relation queries the response was YES. [2023-08-27 03:35:01,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2791 conditions, 843 events. 0/843 cut-off events. For 35931/35931 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 844 event pairs, 0 based on Foata normal form. 0/784 useless extension candidates. Maximal degree in co-relation 0. Up to 60 conditions per place. [2023-08-27 03:35:01,554 INFO L119 LiptonReduction]: Number of co-enabled transitions 197414 [2023-08-27 03:35:08,390 INFO L134 LiptonReduction]: Checked pairs total: 610113 [2023-08-27 03:35:08,390 INFO L136 LiptonReduction]: Total number of compositions: 254 [2023-08-27 03:35:08,391 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:35:08,392 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:35:08,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:35:08,494 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:35:08,494 INFO L124 PetriNetUnfolderBase]: 0/413 cut-off events. [2023-08-27 03:35:08,494 INFO L125 PetriNetUnfolderBase]: For 35931/35931 co-relation queries the response was YES. [2023-08-27 03:35:08,494 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:35:08,494 INFO L208 CegarLoopForPetriNet]: trace histogram [59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:35:08,495 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:35:08,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:35:08,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1582755188, now seen corresponding path program 1 times [2023-08-27 03:35:08,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:35:08,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573195427] [2023-08-27 03:35:08,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:35:08,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:35:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:08,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:35:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:08,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:35:08,752 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:35:08,752 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:35:08,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-08-27 03:35:08,752 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:35:08,753 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:35:08,753 WARN L233 ceAbstractionStarter]: 59 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:35:08,753 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 60 thread instances. [2023-08-27 03:35:08,842 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:35:08,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 625 places, 505 transitions, 4850 flow [2023-08-27 03:35:09,219 INFO L124 PetriNetUnfolderBase]: 61/1223 cut-off events. [2023-08-27 03:35:09,219 INFO L125 PetriNetUnfolderBase]: For 37760/37760 co-relation queries the response was YES. [2023-08-27 03:35:09,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3234 conditions, 1223 events. 61/1223 cut-off events. For 37760/37760 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2213 event pairs, 0 based on Foata normal form. 0/1041 useless extension candidates. Maximal degree in co-relation 3141. Up to 122 conditions per place. [2023-08-27 03:35:09,267 INFO L82 GeneralOperation]: Start removeDead. Operand has 625 places, 505 transitions, 4850 flow [2023-08-27 03:35:09,271 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 620 places, 499 transitions, 4838 flow [2023-08-27 03:35:09,271 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:35:09,271 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 620 places, 499 transitions, 4838 flow [2023-08-27 03:35:09,271 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 620 places, 499 transitions, 4838 flow [2023-08-27 03:35:09,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 620 places, 499 transitions, 4838 flow [2023-08-27 03:35:09,544 INFO L124 PetriNetUnfolderBase]: 0/857 cut-off events. [2023-08-27 03:35:09,545 INFO L125 PetriNetUnfolderBase]: For 37760/37760 co-relation queries the response was YES. [2023-08-27 03:35:09,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 857 events. 0/857 cut-off events. For 37760/37760 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 852 event pairs, 0 based on Foata normal form. 0/797 useless extension candidates. Maximal degree in co-relation 0. Up to 61 conditions per place. [2023-08-27 03:35:09,626 INFO L119 LiptonReduction]: Number of co-enabled transitions 204120 [2023-08-27 03:35:16,605 INFO L134 LiptonReduction]: Checked pairs total: 626112 [2023-08-27 03:35:16,606 INFO L136 LiptonReduction]: Total number of compositions: 258 [2023-08-27 03:35:16,607 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:35:16,607 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:35:16,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:35:16,708 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:35:16,709 INFO L124 PetriNetUnfolderBase]: 0/420 cut-off events. [2023-08-27 03:35:16,709 INFO L125 PetriNetUnfolderBase]: For 37760/37760 co-relation queries the response was YES. [2023-08-27 03:35:16,709 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:35:16,709 INFO L208 CegarLoopForPetriNet]: trace histogram [60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:35:16,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:35:16,709 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:35:16,709 INFO L85 PathProgramCache]: Analyzing trace with hash -998483899, now seen corresponding path program 1 times [2023-08-27 03:35:16,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:35:16,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693961959] [2023-08-27 03:35:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:35:16,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:35:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:16,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:35:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:16,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:35:16,852 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:35:16,853 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:35:16,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-08-27 03:35:16,853 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:35:16,853 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:35:16,853 WARN L233 ceAbstractionStarter]: 60 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:35:16,853 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 61 thread instances. [2023-08-27 03:35:16,943 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:35:16,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 635 places, 513 transitions, 4991 flow [2023-08-27 03:35:17,322 INFO L124 PetriNetUnfolderBase]: 62/1243 cut-off events. [2023-08-27 03:35:17,322 INFO L125 PetriNetUnfolderBase]: For 39650/39650 co-relation queries the response was YES. [2023-08-27 03:35:17,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3318 conditions, 1243 events. 62/1243 cut-off events. For 39650/39650 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2160 event pairs, 0 based on Foata normal form. 0/1058 useless extension candidates. Maximal degree in co-relation 3224. Up to 124 conditions per place. [2023-08-27 03:35:17,371 INFO L82 GeneralOperation]: Start removeDead. Operand has 635 places, 513 transitions, 4991 flow [2023-08-27 03:35:17,374 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 630 places, 507 transitions, 4979 flow [2023-08-27 03:35:17,374 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:35:17,374 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 630 places, 507 transitions, 4979 flow [2023-08-27 03:35:17,374 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 630 places, 507 transitions, 4979 flow [2023-08-27 03:35:17,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 630 places, 507 transitions, 4979 flow [2023-08-27 03:35:17,750 INFO L124 PetriNetUnfolderBase]: 0/871 cut-off events. [2023-08-27 03:35:17,750 INFO L125 PetriNetUnfolderBase]: For 39650/39650 co-relation queries the response was YES. [2023-08-27 03:35:17,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2946 conditions, 871 events. 0/871 cut-off events. For 39650/39650 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 880 event pairs, 0 based on Foata normal form. 0/810 useless extension candidates. Maximal degree in co-relation 0. Up to 62 conditions per place. [2023-08-27 03:35:17,820 INFO L119 LiptonReduction]: Number of co-enabled transitions 210938 [2023-08-27 03:35:24,869 INFO L134 LiptonReduction]: Checked pairs total: 637809 [2023-08-27 03:35:24,869 INFO L136 LiptonReduction]: Total number of compositions: 262 [2023-08-27 03:35:24,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:35:24,870 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:35:24,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:35:24,984 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:35:24,984 INFO L124 PetriNetUnfolderBase]: 0/427 cut-off events. [2023-08-27 03:35:24,984 INFO L125 PetriNetUnfolderBase]: For 39650/39650 co-relation queries the response was YES. [2023-08-27 03:35:24,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:35:24,985 INFO L208 CegarLoopForPetriNet]: trace histogram [61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:35:24,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:35:24,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:35:24,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1765055098, now seen corresponding path program 1 times [2023-08-27 03:35:24,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:35:24,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965079268] [2023-08-27 03:35:24,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:35:24,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:35:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:25,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:35:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:25,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:35:25,291 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:35:25,291 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:35:25,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-08-27 03:35:25,291 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:35:25,292 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:35:25,292 WARN L233 ceAbstractionStarter]: 61 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:35:25,292 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 62 thread instances. [2023-08-27 03:35:25,390 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:35:25,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 645 places, 521 transitions, 5134 flow [2023-08-27 03:35:25,827 INFO L124 PetriNetUnfolderBase]: 63/1263 cut-off events. [2023-08-27 03:35:25,827 INFO L125 PetriNetUnfolderBase]: For 41602/41602 co-relation queries the response was YES. [2023-08-27 03:35:25,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3403 conditions, 1263 events. 63/1263 cut-off events. For 41602/41602 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2191 event pairs, 0 based on Foata normal form. 0/1075 useless extension candidates. Maximal degree in co-relation 3308. Up to 126 conditions per place. [2023-08-27 03:35:25,877 INFO L82 GeneralOperation]: Start removeDead. Operand has 645 places, 521 transitions, 5134 flow [2023-08-27 03:35:25,880 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 640 places, 515 transitions, 5122 flow [2023-08-27 03:35:25,880 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:35:25,880 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 515 transitions, 5122 flow [2023-08-27 03:35:25,880 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 515 transitions, 5122 flow [2023-08-27 03:35:25,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 640 places, 515 transitions, 5122 flow [2023-08-27 03:35:26,158 INFO L124 PetriNetUnfolderBase]: 0/885 cut-off events. [2023-08-27 03:35:26,158 INFO L125 PetriNetUnfolderBase]: For 41602/41602 co-relation queries the response was YES. [2023-08-27 03:35:26,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3025 conditions, 885 events. 0/885 cut-off events. For 41602/41602 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 892 event pairs, 0 based on Foata normal form. 0/823 useless extension candidates. Maximal degree in co-relation 0. Up to 63 conditions per place. [2023-08-27 03:35:26,246 INFO L119 LiptonReduction]: Number of co-enabled transitions 217868 [2023-08-27 03:35:33,516 INFO L134 LiptonReduction]: Checked pairs total: 664372 [2023-08-27 03:35:33,517 INFO L136 LiptonReduction]: Total number of compositions: 266 [2023-08-27 03:35:33,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:35:33,518 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:35:33,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:35:33,624 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:35:33,624 INFO L124 PetriNetUnfolderBase]: 0/434 cut-off events. [2023-08-27 03:35:33,624 INFO L125 PetriNetUnfolderBase]: For 41602/41602 co-relation queries the response was YES. [2023-08-27 03:35:33,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:35:33,625 INFO L208 CegarLoopForPetriNet]: trace histogram [62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:35:33,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:35:33,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:35:33,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1835209254, now seen corresponding path program 1 times [2023-08-27 03:35:33,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:35:33,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141776407] [2023-08-27 03:35:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:35:33,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:35:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:33,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:35:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:33,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:35:33,765 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:35:33,765 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:35:33,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-08-27 03:35:33,765 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:35:33,765 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:35:33,765 WARN L233 ceAbstractionStarter]: 62 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:35:33,765 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 63 thread instances. [2023-08-27 03:35:33,858 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:35:33,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 655 places, 529 transitions, 5279 flow [2023-08-27 03:35:34,317 INFO L124 PetriNetUnfolderBase]: 64/1283 cut-off events. [2023-08-27 03:35:34,318 INFO L125 PetriNetUnfolderBase]: For 43617/43617 co-relation queries the response was YES. [2023-08-27 03:35:34,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3489 conditions, 1283 events. 64/1283 cut-off events. For 43617/43617 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2231 event pairs, 0 based on Foata normal form. 0/1092 useless extension candidates. Maximal degree in co-relation 3393. Up to 128 conditions per place. [2023-08-27 03:35:34,372 INFO L82 GeneralOperation]: Start removeDead. Operand has 655 places, 529 transitions, 5279 flow [2023-08-27 03:35:34,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 650 places, 523 transitions, 5267 flow [2023-08-27 03:35:34,375 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:35:34,375 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 650 places, 523 transitions, 5267 flow [2023-08-27 03:35:34,375 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 650 places, 523 transitions, 5267 flow [2023-08-27 03:35:34,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 650 places, 523 transitions, 5267 flow [2023-08-27 03:35:34,727 INFO L124 PetriNetUnfolderBase]: 0/899 cut-off events. [2023-08-27 03:35:34,727 INFO L125 PetriNetUnfolderBase]: For 43617/43617 co-relation queries the response was YES. [2023-08-27 03:35:34,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3105 conditions, 899 events. 0/899 cut-off events. For 43617/43617 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 912 event pairs, 0 based on Foata normal form. 0/836 useless extension candidates. Maximal degree in co-relation 0. Up to 64 conditions per place. [2023-08-27 03:35:34,808 INFO L119 LiptonReduction]: Number of co-enabled transitions 224910 [2023-08-27 03:35:42,084 INFO L134 LiptonReduction]: Checked pairs total: 681701 [2023-08-27 03:35:42,085 INFO L136 LiptonReduction]: Total number of compositions: 270 [2023-08-27 03:35:42,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:35:42,086 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:35:42,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:35:42,200 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:35:42,200 INFO L124 PetriNetUnfolderBase]: 0/441 cut-off events. [2023-08-27 03:35:42,200 INFO L125 PetriNetUnfolderBase]: For 43617/43617 co-relation queries the response was YES. [2023-08-27 03:35:42,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:35:42,200 INFO L208 CegarLoopForPetriNet]: trace histogram [63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:35:42,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:35:42,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:35:42,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1443930449, now seen corresponding path program 1 times [2023-08-27 03:35:42,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:35:42,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103092632] [2023-08-27 03:35:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:35:42,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:35:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:42,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:35:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:42,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:35:42,451 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:35:42,451 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:35:42,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-08-27 03:35:42,452 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:35:42,452 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:35:42,452 WARN L233 ceAbstractionStarter]: 63 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:35:42,452 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 64 thread instances. [2023-08-27 03:35:42,544 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:35:42,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 665 places, 537 transitions, 5426 flow [2023-08-27 03:35:42,958 INFO L124 PetriNetUnfolderBase]: 65/1303 cut-off events. [2023-08-27 03:35:42,959 INFO L125 PetriNetUnfolderBase]: For 45696/45696 co-relation queries the response was YES. [2023-08-27 03:35:43,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3576 conditions, 1303 events. 65/1303 cut-off events. For 45696/45696 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2261 event pairs, 0 based on Foata normal form. 0/1109 useless extension candidates. Maximal degree in co-relation 3479. Up to 130 conditions per place. [2023-08-27 03:35:43,015 INFO L82 GeneralOperation]: Start removeDead. Operand has 665 places, 537 transitions, 5426 flow [2023-08-27 03:35:43,018 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 660 places, 531 transitions, 5414 flow [2023-08-27 03:35:43,018 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:35:43,018 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 660 places, 531 transitions, 5414 flow [2023-08-27 03:35:43,018 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 660 places, 531 transitions, 5414 flow [2023-08-27 03:35:43,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 660 places, 531 transitions, 5414 flow [2023-08-27 03:35:43,321 INFO L124 PetriNetUnfolderBase]: 0/913 cut-off events. [2023-08-27 03:35:43,322 INFO L125 PetriNetUnfolderBase]: For 45696/45696 co-relation queries the response was YES. [2023-08-27 03:35:43,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3186 conditions, 913 events. 0/913 cut-off events. For 45696/45696 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 917 event pairs, 0 based on Foata normal form. 0/849 useless extension candidates. Maximal degree in co-relation 0. Up to 65 conditions per place. [2023-08-27 03:35:43,417 INFO L119 LiptonReduction]: Number of co-enabled transitions 232064 [2023-08-27 03:35:50,937 INFO L134 LiptonReduction]: Checked pairs total: 716902 [2023-08-27 03:35:50,938 INFO L136 LiptonReduction]: Total number of compositions: 274 [2023-08-27 03:35:50,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:35:50,939 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:35:50,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:35:51,055 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:35:51,055 INFO L124 PetriNetUnfolderBase]: 0/448 cut-off events. [2023-08-27 03:35:51,055 INFO L125 PetriNetUnfolderBase]: For 45696/45696 co-relation queries the response was YES. [2023-08-27 03:35:51,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:35:51,055 INFO L208 CegarLoopForPetriNet]: trace histogram [64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:35:51,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:35:51,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:35:51,056 INFO L85 PathProgramCache]: Analyzing trace with hash -84941009, now seen corresponding path program 1 times [2023-08-27 03:35:51,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:35:51,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11889249] [2023-08-27 03:35:51,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:35:51,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:35:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:51,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:35:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:35:51,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:35:51,201 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:35:51,201 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:35:51,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-08-27 03:35:51,201 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:35:51,202 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:35:51,202 WARN L233 ceAbstractionStarter]: 64 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:35:51,202 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 65 thread instances. [2023-08-27 03:35:51,294 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:35:51,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 675 places, 545 transitions, 5575 flow [2023-08-27 03:35:51,942 INFO L124 PetriNetUnfolderBase]: 66/1323 cut-off events. [2023-08-27 03:35:51,943 INFO L125 PetriNetUnfolderBase]: For 47840/47840 co-relation queries the response was YES. [2023-08-27 03:35:51,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3664 conditions, 1323 events. 66/1323 cut-off events. For 47840/47840 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2278 event pairs, 0 based on Foata normal form. 0/1126 useless extension candidates. Maximal degree in co-relation 3566. Up to 132 conditions per place. [2023-08-27 03:35:51,979 INFO L82 GeneralOperation]: Start removeDead. Operand has 675 places, 545 transitions, 5575 flow [2023-08-27 03:35:51,981 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 670 places, 539 transitions, 5563 flow [2023-08-27 03:35:51,981 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:35:51,981 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 670 places, 539 transitions, 5563 flow [2023-08-27 03:35:51,981 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 670 places, 539 transitions, 5563 flow [2023-08-27 03:35:51,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 670 places, 539 transitions, 5563 flow [2023-08-27 03:35:52,305 INFO L124 PetriNetUnfolderBase]: 0/927 cut-off events. [2023-08-27 03:35:52,305 INFO L125 PetriNetUnfolderBase]: For 47840/47840 co-relation queries the response was YES. [2023-08-27 03:35:52,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3268 conditions, 927 events. 0/927 cut-off events. For 47840/47840 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 929 event pairs, 0 based on Foata normal form. 0/862 useless extension candidates. Maximal degree in co-relation 0. Up to 66 conditions per place. [2023-08-27 03:35:52,402 INFO L119 LiptonReduction]: Number of co-enabled transitions 239330 [2023-08-27 03:36:00,103 INFO L134 LiptonReduction]: Checked pairs total: 733724 [2023-08-27 03:36:00,103 INFO L136 LiptonReduction]: Total number of compositions: 278 [2023-08-27 03:36:00,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:36:00,105 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:36:00,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:36:00,259 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:36:00,260 INFO L124 PetriNetUnfolderBase]: 0/456 cut-off events. [2023-08-27 03:36:00,260 INFO L125 PetriNetUnfolderBase]: For 47840/47840 co-relation queries the response was YES. [2023-08-27 03:36:00,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:36:00,260 INFO L208 CegarLoopForPetriNet]: trace histogram [65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:36:00,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:36:00,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:36:00,260 INFO L85 PathProgramCache]: Analyzing trace with hash -174496473, now seen corresponding path program 1 times [2023-08-27 03:36:00,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:36:00,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430360071] [2023-08-27 03:36:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:36:00,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:36:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:00,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:36:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:00,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:36:00,475 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:36:00,475 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:36:00,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-08-27 03:36:00,475 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:36:00,476 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:36:00,476 WARN L233 ceAbstractionStarter]: 65 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:36:00,476 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 66 thread instances. [2023-08-27 03:36:00,569 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:36:00,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 685 places, 553 transitions, 5726 flow [2023-08-27 03:36:01,016 INFO L124 PetriNetUnfolderBase]: 67/1343 cut-off events. [2023-08-27 03:36:01,017 INFO L125 PetriNetUnfolderBase]: For 50050/50050 co-relation queries the response was YES. [2023-08-27 03:36:01,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3753 conditions, 1343 events. 67/1343 cut-off events. For 50050/50050 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2448 event pairs, 0 based on Foata normal form. 0/1143 useless extension candidates. Maximal degree in co-relation 3654. Up to 134 conditions per place. [2023-08-27 03:36:01,077 INFO L82 GeneralOperation]: Start removeDead. Operand has 685 places, 553 transitions, 5726 flow [2023-08-27 03:36:01,080 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 680 places, 547 transitions, 5714 flow [2023-08-27 03:36:01,080 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:36:01,080 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 680 places, 547 transitions, 5714 flow [2023-08-27 03:36:01,080 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 680 places, 547 transitions, 5714 flow [2023-08-27 03:36:01,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 680 places, 547 transitions, 5714 flow [2023-08-27 03:36:01,406 INFO L124 PetriNetUnfolderBase]: 0/941 cut-off events. [2023-08-27 03:36:01,406 INFO L125 PetriNetUnfolderBase]: For 50050/50050 co-relation queries the response was YES. [2023-08-27 03:36:01,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3351 conditions, 941 events. 0/941 cut-off events. For 50050/50050 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 942 event pairs, 0 based on Foata normal form. 0/875 useless extension candidates. Maximal degree in co-relation 0. Up to 67 conditions per place. [2023-08-27 03:36:01,509 INFO L119 LiptonReduction]: Number of co-enabled transitions 246708 [2023-08-27 03:36:09,191 INFO L134 LiptonReduction]: Checked pairs total: 754801 [2023-08-27 03:36:09,191 INFO L136 LiptonReduction]: Total number of compositions: 282 [2023-08-27 03:36:09,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:36:09,192 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:36:09,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:36:09,316 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:36:09,316 INFO L124 PetriNetUnfolderBase]: 0/462 cut-off events. [2023-08-27 03:36:09,316 INFO L125 PetriNetUnfolderBase]: For 50050/50050 co-relation queries the response was YES. [2023-08-27 03:36:09,316 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:36:09,317 INFO L208 CegarLoopForPetriNet]: trace histogram [66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:36:09,317 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:36:09,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:36:09,317 INFO L85 PathProgramCache]: Analyzing trace with hash 833210660, now seen corresponding path program 1 times [2023-08-27 03:36:09,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:36:09,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561040075] [2023-08-27 03:36:09,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:36:09,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:36:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:09,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:36:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:09,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:36:09,493 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:36:09,493 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:36:09,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-08-27 03:36:09,493 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:36:09,494 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:36:09,494 WARN L233 ceAbstractionStarter]: 66 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:36:09,494 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 67 thread instances. [2023-08-27 03:36:09,622 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:36:09,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 695 places, 561 transitions, 5879 flow [2023-08-27 03:36:10,359 INFO L124 PetriNetUnfolderBase]: 68/1363 cut-off events. [2023-08-27 03:36:10,359 INFO L125 PetriNetUnfolderBase]: For 52327/52327 co-relation queries the response was YES. [2023-08-27 03:36:10,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3843 conditions, 1363 events. 68/1363 cut-off events. For 52327/52327 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2325 event pairs, 0 based on Foata normal form. 0/1160 useless extension candidates. Maximal degree in co-relation 3743. Up to 136 conditions per place. [2023-08-27 03:36:10,397 INFO L82 GeneralOperation]: Start removeDead. Operand has 695 places, 561 transitions, 5879 flow [2023-08-27 03:36:10,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 690 places, 555 transitions, 5867 flow [2023-08-27 03:36:10,400 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:36:10,400 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 690 places, 555 transitions, 5867 flow [2023-08-27 03:36:10,400 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 690 places, 555 transitions, 5867 flow [2023-08-27 03:36:10,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 690 places, 555 transitions, 5867 flow [2023-08-27 03:36:10,737 INFO L124 PetriNetUnfolderBase]: 0/955 cut-off events. [2023-08-27 03:36:10,737 INFO L125 PetriNetUnfolderBase]: For 52327/52327 co-relation queries the response was YES. [2023-08-27 03:36:10,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3435 conditions, 955 events. 0/955 cut-off events. For 52327/52327 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 948 event pairs, 0 based on Foata normal form. 0/888 useless extension candidates. Maximal degree in co-relation 0. Up to 68 conditions per place. [2023-08-27 03:36:10,841 INFO L119 LiptonReduction]: Number of co-enabled transitions 254198 [2023-08-27 03:36:18,628 INFO L134 LiptonReduction]: Checked pairs total: 781640 [2023-08-27 03:36:18,629 INFO L136 LiptonReduction]: Total number of compositions: 286 [2023-08-27 03:36:18,629 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:36:18,630 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:36:18,630 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:36:18,823 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:36:18,823 INFO L124 PetriNetUnfolderBase]: 0/469 cut-off events. [2023-08-27 03:36:18,823 INFO L125 PetriNetUnfolderBase]: For 52327/52327 co-relation queries the response was YES. [2023-08-27 03:36:18,823 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:36:18,823 INFO L208 CegarLoopForPetriNet]: trace histogram [67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:36:18,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:36:18,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:36:18,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1054097041, now seen corresponding path program 1 times [2023-08-27 03:36:18,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:36:18,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066980140] [2023-08-27 03:36:18,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:36:18,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:36:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:18,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:36:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:19,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:36:19,021 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:36:19,021 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:36:19,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-08-27 03:36:19,022 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:36:19,022 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:36:19,022 WARN L233 ceAbstractionStarter]: 67 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:36:19,022 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 68 thread instances. [2023-08-27 03:36:19,131 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:36:19,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 705 places, 569 transitions, 6034 flow [2023-08-27 03:36:19,620 INFO L124 PetriNetUnfolderBase]: 69/1383 cut-off events. [2023-08-27 03:36:19,620 INFO L125 PetriNetUnfolderBase]: For 54672/54672 co-relation queries the response was YES. [2023-08-27 03:36:19,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3934 conditions, 1383 events. 69/1383 cut-off events. For 54672/54672 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2398 event pairs, 0 based on Foata normal form. 0/1177 useless extension candidates. Maximal degree in co-relation 3833. Up to 138 conditions per place. [2023-08-27 03:36:19,682 INFO L82 GeneralOperation]: Start removeDead. Operand has 705 places, 569 transitions, 6034 flow [2023-08-27 03:36:19,685 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 700 places, 563 transitions, 6022 flow [2023-08-27 03:36:19,685 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:36:19,685 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 700 places, 563 transitions, 6022 flow [2023-08-27 03:36:19,686 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 700 places, 563 transitions, 6022 flow [2023-08-27 03:36:19,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 700 places, 563 transitions, 6022 flow [2023-08-27 03:36:20,039 INFO L124 PetriNetUnfolderBase]: 0/969 cut-off events. [2023-08-27 03:36:20,039 INFO L125 PetriNetUnfolderBase]: For 54672/54672 co-relation queries the response was YES. [2023-08-27 03:36:20,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3520 conditions, 969 events. 0/969 cut-off events. For 54672/54672 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 977 event pairs, 0 based on Foata normal form. 0/901 useless extension candidates. Maximal degree in co-relation 0. Up to 69 conditions per place. [2023-08-27 03:36:20,151 INFO L119 LiptonReduction]: Number of co-enabled transitions 261800 [2023-08-27 03:36:28,073 INFO L134 LiptonReduction]: Checked pairs total: 794840 [2023-08-27 03:36:28,073 INFO L136 LiptonReduction]: Total number of compositions: 290 [2023-08-27 03:36:28,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:36:28,074 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:36:28,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:36:28,210 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:36:28,210 INFO L124 PetriNetUnfolderBase]: 0/476 cut-off events. [2023-08-27 03:36:28,211 INFO L125 PetriNetUnfolderBase]: For 54672/54672 co-relation queries the response was YES. [2023-08-27 03:36:28,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:36:28,211 INFO L208 CegarLoopForPetriNet]: trace histogram [68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:36:28,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:36:28,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:36:28,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2108952039, now seen corresponding path program 1 times [2023-08-27 03:36:28,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:36:28,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486116435] [2023-08-27 03:36:28,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:36:28,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:36:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:28,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:36:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:28,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:36:28,395 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:36:28,395 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:36:28,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-08-27 03:36:28,396 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:36:28,396 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:36:28,396 WARN L233 ceAbstractionStarter]: 68 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:36:28,396 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 69 thread instances. [2023-08-27 03:36:28,492 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:36:28,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 715 places, 577 transitions, 6191 flow [2023-08-27 03:36:28,970 INFO L124 PetriNetUnfolderBase]: 70/1403 cut-off events. [2023-08-27 03:36:28,970 INFO L125 PetriNetUnfolderBase]: For 57086/57086 co-relation queries the response was YES. [2023-08-27 03:36:29,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4026 conditions, 1403 events. 70/1403 cut-off events. For 57086/57086 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2457 event pairs, 0 based on Foata normal form. 0/1194 useless extension candidates. Maximal degree in co-relation 3924. Up to 140 conditions per place. [2023-08-27 03:36:29,037 INFO L82 GeneralOperation]: Start removeDead. Operand has 715 places, 577 transitions, 6191 flow [2023-08-27 03:36:29,040 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 710 places, 571 transitions, 6179 flow [2023-08-27 03:36:29,040 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:36:29,040 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 710 places, 571 transitions, 6179 flow [2023-08-27 03:36:29,040 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 710 places, 571 transitions, 6179 flow [2023-08-27 03:36:29,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 710 places, 571 transitions, 6179 flow [2023-08-27 03:36:29,435 INFO L124 PetriNetUnfolderBase]: 0/983 cut-off events. [2023-08-27 03:36:29,435 INFO L125 PetriNetUnfolderBase]: For 57086/57086 co-relation queries the response was YES. [2023-08-27 03:36:29,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3606 conditions, 983 events. 0/983 cut-off events. For 57086/57086 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 998 event pairs, 0 based on Foata normal form. 0/914 useless extension candidates. Maximal degree in co-relation 0. Up to 70 conditions per place. [2023-08-27 03:36:29,538 INFO L119 LiptonReduction]: Number of co-enabled transitions 269514 [2023-08-27 03:36:37,484 INFO L134 LiptonReduction]: Checked pairs total: 815129 [2023-08-27 03:36:37,485 INFO L136 LiptonReduction]: Total number of compositions: 294 [2023-08-27 03:36:37,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:36:37,486 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:36:37,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:36:37,624 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:36:37,624 INFO L124 PetriNetUnfolderBase]: 0/484 cut-off events. [2023-08-27 03:36:37,624 INFO L125 PetriNetUnfolderBase]: For 57086/57086 co-relation queries the response was YES. [2023-08-27 03:36:37,624 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:36:37,625 INFO L208 CegarLoopForPetriNet]: trace histogram [69, 69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:36:37,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:36:37,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:36:37,625 INFO L85 PathProgramCache]: Analyzing trace with hash -982596055, now seen corresponding path program 1 times [2023-08-27 03:36:37,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:36:37,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557104744] [2023-08-27 03:36:37,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:36:37,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:36:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:37,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:36:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:37,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:36:37,842 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:36:37,842 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:36:37,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-08-27 03:36:37,842 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:36:37,842 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:36:37,843 WARN L233 ceAbstractionStarter]: 69 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:36:37,843 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 70 thread instances. [2023-08-27 03:36:37,942 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:36:37,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 725 places, 585 transitions, 6350 flow [2023-08-27 03:36:38,448 INFO L124 PetriNetUnfolderBase]: 71/1423 cut-off events. [2023-08-27 03:36:38,448 INFO L125 PetriNetUnfolderBase]: For 59570/59570 co-relation queries the response was YES. [2023-08-27 03:36:38,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4119 conditions, 1423 events. 71/1423 cut-off events. For 59570/59570 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2464 event pairs, 0 based on Foata normal form. 0/1211 useless extension candidates. Maximal degree in co-relation 4016. Up to 142 conditions per place. [2023-08-27 03:36:38,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 725 places, 585 transitions, 6350 flow [2023-08-27 03:36:38,521 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 720 places, 579 transitions, 6338 flow [2023-08-27 03:36:38,521 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:36:38,522 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 720 places, 579 transitions, 6338 flow [2023-08-27 03:36:38,522 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 720 places, 579 transitions, 6338 flow [2023-08-27 03:36:38,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 720 places, 579 transitions, 6338 flow [2023-08-27 03:36:38,886 INFO L124 PetriNetUnfolderBase]: 0/997 cut-off events. [2023-08-27 03:36:38,886 INFO L125 PetriNetUnfolderBase]: For 59570/59570 co-relation queries the response was YES. [2023-08-27 03:36:38,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3693 conditions, 997 events. 0/997 cut-off events. For 59570/59570 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1006 event pairs, 0 based on Foata normal form. 0/927 useless extension candidates. Maximal degree in co-relation 0. Up to 71 conditions per place. [2023-08-27 03:36:39,005 INFO L119 LiptonReduction]: Number of co-enabled transitions 277340 [2023-08-27 03:36:47,111 INFO L134 LiptonReduction]: Checked pairs total: 830075 [2023-08-27 03:36:47,111 INFO L136 LiptonReduction]: Total number of compositions: 298 [2023-08-27 03:36:47,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:36:47,112 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:36:47,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:36:47,251 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:36:47,251 INFO L124 PetriNetUnfolderBase]: 0/490 cut-off events. [2023-08-27 03:36:47,251 INFO L125 PetriNetUnfolderBase]: For 59570/59570 co-relation queries the response was YES. [2023-08-27 03:36:47,252 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:36:47,252 INFO L208 CegarLoopForPetriNet]: trace histogram [70, 70, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:36:47,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:36:47,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:36:47,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1773366286, now seen corresponding path program 1 times [2023-08-27 03:36:47,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:36:47,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901513065] [2023-08-27 03:36:47,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:36:47,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:36:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:47,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:36:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:47,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:36:47,411 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:36:47,411 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:36:47,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-08-27 03:36:47,411 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:36:47,411 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:36:47,412 WARN L233 ceAbstractionStarter]: 70 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:36:47,412 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 71 thread instances. [2023-08-27 03:36:47,515 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:36:47,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 735 places, 593 transitions, 6511 flow [2023-08-27 03:36:48,030 INFO L124 PetriNetUnfolderBase]: 72/1443 cut-off events. [2023-08-27 03:36:48,030 INFO L125 PetriNetUnfolderBase]: For 62125/62125 co-relation queries the response was YES. [2023-08-27 03:36:48,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4213 conditions, 1443 events. 72/1443 cut-off events. For 62125/62125 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2492 event pairs, 0 based on Foata normal form. 0/1228 useless extension candidates. Maximal degree in co-relation 4109. Up to 144 conditions per place. [2023-08-27 03:36:48,101 INFO L82 GeneralOperation]: Start removeDead. Operand has 735 places, 593 transitions, 6511 flow [2023-08-27 03:36:48,104 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 730 places, 587 transitions, 6499 flow [2023-08-27 03:36:48,104 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:36:48,104 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 730 places, 587 transitions, 6499 flow [2023-08-27 03:36:48,104 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 730 places, 587 transitions, 6499 flow [2023-08-27 03:36:48,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 730 places, 587 transitions, 6499 flow [2023-08-27 03:36:48,535 INFO L124 PetriNetUnfolderBase]: 0/1011 cut-off events. [2023-08-27 03:36:48,535 INFO L125 PetriNetUnfolderBase]: For 62125/62125 co-relation queries the response was YES. [2023-08-27 03:36:48,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3781 conditions, 1011 events. 0/1011 cut-off events. For 62125/62125 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1018 event pairs, 0 based on Foata normal form. 0/940 useless extension candidates. Maximal degree in co-relation 0. Up to 72 conditions per place. [2023-08-27 03:36:48,650 INFO L119 LiptonReduction]: Number of co-enabled transitions 285278 [2023-08-27 03:36:56,862 INFO L134 LiptonReduction]: Checked pairs total: 865056 [2023-08-27 03:36:56,862 INFO L136 LiptonReduction]: Total number of compositions: 302 [2023-08-27 03:36:56,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:36:56,863 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:36:56,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:36:57,105 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:36:57,105 INFO L124 PetriNetUnfolderBase]: 0/498 cut-off events. [2023-08-27 03:36:57,105 INFO L125 PetriNetUnfolderBase]: For 62125/62125 co-relation queries the response was YES. [2023-08-27 03:36:57,105 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:36:57,105 INFO L208 CegarLoopForPetriNet]: trace histogram [71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:36:57,105 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:36:57,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:36:57,107 INFO L85 PathProgramCache]: Analyzing trace with hash 441545523, now seen corresponding path program 1 times [2023-08-27 03:36:57,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:36:57,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312314657] [2023-08-27 03:36:57,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:36:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:36:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:57,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:36:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:36:57,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:36:57,318 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:36:57,319 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:36:57,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-08-27 03:36:57,319 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:36:57,319 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:36:57,319 WARN L233 ceAbstractionStarter]: 71 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:36:57,319 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 72 thread instances. [2023-08-27 03:36:57,438 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:36:57,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 745 places, 601 transitions, 6674 flow [2023-08-27 03:36:57,972 INFO L124 PetriNetUnfolderBase]: 73/1463 cut-off events. [2023-08-27 03:36:57,972 INFO L125 PetriNetUnfolderBase]: For 64752/64752 co-relation queries the response was YES. [2023-08-27 03:36:58,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4308 conditions, 1463 events. 73/1463 cut-off events. For 64752/64752 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2544 event pairs, 0 based on Foata normal form. 0/1245 useless extension candidates. Maximal degree in co-relation 4203. Up to 146 conditions per place. [2023-08-27 03:36:58,045 INFO L82 GeneralOperation]: Start removeDead. Operand has 745 places, 601 transitions, 6674 flow [2023-08-27 03:36:58,048 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 740 places, 595 transitions, 6662 flow [2023-08-27 03:36:58,048 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:36:58,048 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 740 places, 595 transitions, 6662 flow [2023-08-27 03:36:58,048 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 740 places, 595 transitions, 6662 flow [2023-08-27 03:36:58,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 740 places, 595 transitions, 6662 flow [2023-08-27 03:36:58,446 INFO L124 PetriNetUnfolderBase]: 0/1025 cut-off events. [2023-08-27 03:36:58,447 INFO L125 PetriNetUnfolderBase]: For 64752/64752 co-relation queries the response was YES. [2023-08-27 03:36:58,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3870 conditions, 1025 events. 0/1025 cut-off events. For 64752/64752 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1033 event pairs, 0 based on Foata normal form. 0/953 useless extension candidates. Maximal degree in co-relation 0. Up to 73 conditions per place. [2023-08-27 03:36:58,573 INFO L119 LiptonReduction]: Number of co-enabled transitions 293328 [2023-08-27 03:37:06,930 INFO L134 LiptonReduction]: Checked pairs total: 898965 [2023-08-27 03:37:06,931 INFO L136 LiptonReduction]: Total number of compositions: 306 [2023-08-27 03:37:06,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:37:06,932 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:37:06,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:37:07,085 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:37:07,085 INFO L124 PetriNetUnfolderBase]: 0/504 cut-off events. [2023-08-27 03:37:07,085 INFO L125 PetriNetUnfolderBase]: For 64752/64752 co-relation queries the response was YES. [2023-08-27 03:37:07,085 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:37:07,085 INFO L208 CegarLoopForPetriNet]: trace histogram [72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:37:07,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:37:07,086 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:37:07,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1510329603, now seen corresponding path program 1 times [2023-08-27 03:37:07,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:37:07,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877790661] [2023-08-27 03:37:07,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:37:07,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:37:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:07,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:37:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:07,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:37:07,327 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:37:07,327 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:37:07,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-08-27 03:37:07,327 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:37:07,327 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:37:07,327 WARN L233 ceAbstractionStarter]: 72 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:37:07,327 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 73 thread instances. [2023-08-27 03:37:07,439 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:37:07,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 755 places, 609 transitions, 6839 flow [2023-08-27 03:37:08,162 INFO L124 PetriNetUnfolderBase]: 74/1483 cut-off events. [2023-08-27 03:37:08,162 INFO L125 PetriNetUnfolderBase]: For 67452/67452 co-relation queries the response was YES. [2023-08-27 03:37:08,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4404 conditions, 1483 events. 74/1483 cut-off events. For 67452/67452 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2567 event pairs, 0 based on Foata normal form. 0/1262 useless extension candidates. Maximal degree in co-relation 4298. Up to 148 conditions per place. [2023-08-27 03:37:08,216 INFO L82 GeneralOperation]: Start removeDead. Operand has 755 places, 609 transitions, 6839 flow [2023-08-27 03:37:08,219 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 750 places, 603 transitions, 6827 flow [2023-08-27 03:37:08,219 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:37:08,219 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 750 places, 603 transitions, 6827 flow [2023-08-27 03:37:08,219 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 750 places, 603 transitions, 6827 flow [2023-08-27 03:37:08,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 750 places, 603 transitions, 6827 flow [2023-08-27 03:37:08,625 INFO L124 PetriNetUnfolderBase]: 0/1039 cut-off events. [2023-08-27 03:37:08,625 INFO L125 PetriNetUnfolderBase]: For 67452/67452 co-relation queries the response was YES. [2023-08-27 03:37:08,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3960 conditions, 1039 events. 0/1039 cut-off events. For 67452/67452 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1048 event pairs, 0 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 0. Up to 74 conditions per place. [2023-08-27 03:37:08,753 INFO L119 LiptonReduction]: Number of co-enabled transitions 301490 [2023-08-27 03:37:17,458 INFO L134 LiptonReduction]: Checked pairs total: 918934 [2023-08-27 03:37:17,458 INFO L136 LiptonReduction]: Total number of compositions: 310 [2023-08-27 03:37:17,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:37:17,459 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:37:17,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:37:17,618 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:37:17,618 INFO L124 PetriNetUnfolderBase]: 0/511 cut-off events. [2023-08-27 03:37:17,618 INFO L125 PetriNetUnfolderBase]: For 67452/67452 co-relation queries the response was YES. [2023-08-27 03:37:17,618 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:37:17,618 INFO L208 CegarLoopForPetriNet]: trace histogram [73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:37:17,618 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:37:17,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:37:17,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1255078933, now seen corresponding path program 1 times [2023-08-27 03:37:17,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:37:17,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292715873] [2023-08-27 03:37:17,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:37:17,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:37:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:17,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:37:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:17,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:37:17,810 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:37:17,810 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:37:17,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-08-27 03:37:17,810 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:37:17,810 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:37:17,811 WARN L233 ceAbstractionStarter]: 73 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:37:17,811 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 74 thread instances. [2023-08-27 03:37:17,915 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:37:17,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 765 places, 617 transitions, 7006 flow [2023-08-27 03:37:18,472 INFO L124 PetriNetUnfolderBase]: 75/1503 cut-off events. [2023-08-27 03:37:18,472 INFO L125 PetriNetUnfolderBase]: For 70226/70226 co-relation queries the response was YES. [2023-08-27 03:37:18,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4501 conditions, 1503 events. 75/1503 cut-off events. For 70226/70226 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2603 event pairs, 0 based on Foata normal form. 0/1279 useless extension candidates. Maximal degree in co-relation 4394. Up to 150 conditions per place. [2023-08-27 03:37:18,550 INFO L82 GeneralOperation]: Start removeDead. Operand has 765 places, 617 transitions, 7006 flow [2023-08-27 03:37:18,554 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 760 places, 611 transitions, 6994 flow [2023-08-27 03:37:18,554 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:37:18,554 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 760 places, 611 transitions, 6994 flow [2023-08-27 03:37:18,554 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 760 places, 611 transitions, 6994 flow [2023-08-27 03:37:18,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 760 places, 611 transitions, 6994 flow [2023-08-27 03:37:19,028 INFO L124 PetriNetUnfolderBase]: 0/1053 cut-off events. [2023-08-27 03:37:19,029 INFO L125 PetriNetUnfolderBase]: For 70226/70226 co-relation queries the response was YES. [2023-08-27 03:37:19,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4051 conditions, 1053 events. 0/1053 cut-off events. For 70226/70226 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1060 event pairs, 0 based on Foata normal form. 0/979 useless extension candidates. Maximal degree in co-relation 0. Up to 75 conditions per place. [2023-08-27 03:37:19,146 INFO L119 LiptonReduction]: Number of co-enabled transitions 309764 [2023-08-27 03:37:27,687 INFO L134 LiptonReduction]: Checked pairs total: 949853 [2023-08-27 03:37:27,687 INFO L136 LiptonReduction]: Total number of compositions: 314 [2023-08-27 03:37:27,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:37:27,688 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:37:27,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:37:27,928 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:37:27,929 INFO L124 PetriNetUnfolderBase]: 0/518 cut-off events. [2023-08-27 03:37:27,929 INFO L125 PetriNetUnfolderBase]: For 70226/70226 co-relation queries the response was YES. [2023-08-27 03:37:27,929 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:37:27,929 INFO L208 CegarLoopForPetriNet]: trace histogram [74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:37:27,929 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:37:27,931 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:37:27,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1249400072, now seen corresponding path program 1 times [2023-08-27 03:37:27,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:37:27,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126679542] [2023-08-27 03:37:27,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:37:27,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:37:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:28,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:37:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:28,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:37:28,144 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:37:28,144 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:37:28,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-08-27 03:37:28,144 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:37:28,145 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:37:28,145 WARN L233 ceAbstractionStarter]: 74 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:37:28,145 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 75 thread instances. [2023-08-27 03:37:28,252 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:37:28,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 775 places, 625 transitions, 7175 flow [2023-08-27 03:37:28,831 INFO L124 PetriNetUnfolderBase]: 76/1523 cut-off events. [2023-08-27 03:37:28,832 INFO L125 PetriNetUnfolderBase]: For 73075/73075 co-relation queries the response was YES. [2023-08-27 03:37:28,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4599 conditions, 1523 events. 76/1523 cut-off events. For 73075/73075 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2646 event pairs, 0 based on Foata normal form. 0/1296 useless extension candidates. Maximal degree in co-relation 4491. Up to 152 conditions per place. [2023-08-27 03:37:28,939 INFO L82 GeneralOperation]: Start removeDead. Operand has 775 places, 625 transitions, 7175 flow [2023-08-27 03:37:28,943 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 770 places, 619 transitions, 7163 flow [2023-08-27 03:37:28,943 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:37:28,943 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 770 places, 619 transitions, 7163 flow [2023-08-27 03:37:28,943 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 770 places, 619 transitions, 7163 flow [2023-08-27 03:37:28,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 770 places, 619 transitions, 7163 flow [2023-08-27 03:37:29,373 INFO L124 PetriNetUnfolderBase]: 0/1067 cut-off events. [2023-08-27 03:37:29,373 INFO L125 PetriNetUnfolderBase]: For 73075/73075 co-relation queries the response was YES. [2023-08-27 03:37:29,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4143 conditions, 1067 events. 0/1067 cut-off events. For 73075/73075 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1076 event pairs, 0 based on Foata normal form. 0/992 useless extension candidates. Maximal degree in co-relation 0. Up to 76 conditions per place. [2023-08-27 03:37:29,514 INFO L119 LiptonReduction]: Number of co-enabled transitions 318150 [2023-08-27 03:37:38,178 INFO L134 LiptonReduction]: Checked pairs total: 966883 [2023-08-27 03:37:38,178 INFO L136 LiptonReduction]: Total number of compositions: 318 [2023-08-27 03:37:38,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:37:38,179 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:37:38,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:37:38,348 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:37:38,348 INFO L124 PetriNetUnfolderBase]: 0/525 cut-off events. [2023-08-27 03:37:38,348 INFO L125 PetriNetUnfolderBase]: For 73075/73075 co-relation queries the response was YES. [2023-08-27 03:37:38,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:37:38,349 INFO L208 CegarLoopForPetriNet]: trace histogram [75, 75, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:37:38,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:37:38,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:37:38,349 INFO L85 PathProgramCache]: Analyzing trace with hash 298470549, now seen corresponding path program 1 times [2023-08-27 03:37:38,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:37:38,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314271378] [2023-08-27 03:37:38,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:37:38,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:37:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:38,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:37:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:38,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:37:38,581 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:37:38,581 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:37:38,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-08-27 03:37:38,582 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:37:38,582 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:37:38,582 WARN L233 ceAbstractionStarter]: 75 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:37:38,582 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 76 thread instances. [2023-08-27 03:37:38,709 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:37:38,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 785 places, 633 transitions, 7346 flow [2023-08-27 03:37:39,396 INFO L124 PetriNetUnfolderBase]: 77/1543 cut-off events. [2023-08-27 03:37:39,397 INFO L125 PetriNetUnfolderBase]: For 76000/76000 co-relation queries the response was YES. [2023-08-27 03:37:39,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4698 conditions, 1543 events. 77/1543 cut-off events. For 76000/76000 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2660 event pairs, 0 based on Foata normal form. 0/1313 useless extension candidates. Maximal degree in co-relation 4589. Up to 154 conditions per place. [2023-08-27 03:37:39,462 INFO L82 GeneralOperation]: Start removeDead. Operand has 785 places, 633 transitions, 7346 flow [2023-08-27 03:37:39,465 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 780 places, 627 transitions, 7334 flow [2023-08-27 03:37:39,465 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:37:39,465 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 780 places, 627 transitions, 7334 flow [2023-08-27 03:37:39,465 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 780 places, 627 transitions, 7334 flow [2023-08-27 03:37:39,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 780 places, 627 transitions, 7334 flow [2023-08-27 03:37:39,891 INFO L124 PetriNetUnfolderBase]: 0/1081 cut-off events. [2023-08-27 03:37:39,891 INFO L125 PetriNetUnfolderBase]: For 76000/76000 co-relation queries the response was YES. [2023-08-27 03:37:39,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4236 conditions, 1081 events. 0/1081 cut-off events. For 76000/76000 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1088 event pairs, 0 based on Foata normal form. 0/1005 useless extension candidates. Maximal degree in co-relation 0. Up to 77 conditions per place. [2023-08-27 03:37:40,032 INFO L119 LiptonReduction]: Number of co-enabled transitions 326648 [2023-08-27 03:37:48,869 INFO L134 LiptonReduction]: Checked pairs total: 987092 [2023-08-27 03:37:48,869 INFO L136 LiptonReduction]: Total number of compositions: 322 [2023-08-27 03:37:48,870 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:37:48,870 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:37:48,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:37:49,040 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:37:49,040 INFO L124 PetriNetUnfolderBase]: 0/532 cut-off events. [2023-08-27 03:37:49,040 INFO L125 PetriNetUnfolderBase]: For 76000/76000 co-relation queries the response was YES. [2023-08-27 03:37:49,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:37:49,041 INFO L208 CegarLoopForPetriNet]: trace histogram [76, 76, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:37:49,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:37:49,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:37:49,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1712251437, now seen corresponding path program 1 times [2023-08-27 03:37:49,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:37:49,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995304780] [2023-08-27 03:37:49,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:37:49,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:37:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:49,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:37:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:37:49,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:37:49,300 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:37:49,300 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:37:49,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-08-27 03:37:49,301 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:37:49,301 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:37:49,301 WARN L233 ceAbstractionStarter]: 76 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:37:49,301 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 77 thread instances. [2023-08-27 03:37:49,406 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:37:49,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 795 places, 641 transitions, 7519 flow [2023-08-27 03:37:50,167 INFO L124 PetriNetUnfolderBase]: 78/1563 cut-off events. [2023-08-27 03:37:50,167 INFO L125 PetriNetUnfolderBase]: For 79002/79002 co-relation queries the response was YES. [2023-08-27 03:37:50,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4798 conditions, 1563 events. 78/1563 cut-off events. For 79002/79002 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2704 event pairs, 0 based on Foata normal form. 0/1330 useless extension candidates. Maximal degree in co-relation 4688. Up to 156 conditions per place. [2023-08-27 03:37:50,220 INFO L82 GeneralOperation]: Start removeDead. Operand has 795 places, 641 transitions, 7519 flow [2023-08-27 03:37:50,223 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 790 places, 635 transitions, 7507 flow [2023-08-27 03:37:50,223 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:37:50,223 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 790 places, 635 transitions, 7507 flow [2023-08-27 03:37:50,224 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 790 places, 635 transitions, 7507 flow [2023-08-27 03:37:50,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 790 places, 635 transitions, 7507 flow [2023-08-27 03:37:50,684 INFO L124 PetriNetUnfolderBase]: 0/1095 cut-off events. [2023-08-27 03:37:50,684 INFO L125 PetriNetUnfolderBase]: For 79002/79002 co-relation queries the response was YES. [2023-08-27 03:37:50,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4330 conditions, 1095 events. 0/1095 cut-off events. For 79002/79002 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1105 event pairs, 0 based on Foata normal form. 0/1018 useless extension candidates. Maximal degree in co-relation 0. Up to 78 conditions per place. [2023-08-27 03:37:50,831 INFO L119 LiptonReduction]: Number of co-enabled transitions 335258 [2023-08-27 03:37:59,916 INFO L134 LiptonReduction]: Checked pairs total: 1024953 [2023-08-27 03:37:59,916 INFO L136 LiptonReduction]: Total number of compositions: 326 [2023-08-27 03:37:59,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:37:59,917 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:37:59,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:38:00,094 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:38:00,094 INFO L124 PetriNetUnfolderBase]: 0/539 cut-off events. [2023-08-27 03:38:00,094 INFO L125 PetriNetUnfolderBase]: For 79002/79002 co-relation queries the response was YES. [2023-08-27 03:38:00,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:38:00,095 INFO L208 CegarLoopForPetriNet]: trace histogram [77, 77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:38:00,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:38:00,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:38:00,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1527026067, now seen corresponding path program 1 times [2023-08-27 03:38:00,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:38:00,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295673095] [2023-08-27 03:38:00,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:38:00,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:38:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:00,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:38:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:00,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:38:00,330 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:38:00,330 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:38:00,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-08-27 03:38:00,330 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:38:00,330 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:38:00,330 WARN L233 ceAbstractionStarter]: 77 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:38:00,330 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 78 thread instances. [2023-08-27 03:38:00,439 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:38:00,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 805 places, 649 transitions, 7694 flow [2023-08-27 03:38:01,072 INFO L124 PetriNetUnfolderBase]: 79/1583 cut-off events. [2023-08-27 03:38:01,072 INFO L125 PetriNetUnfolderBase]: For 82082/82082 co-relation queries the response was YES. [2023-08-27 03:38:01,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4899 conditions, 1583 events. 79/1583 cut-off events. For 82082/82082 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2764 event pairs, 0 based on Foata normal form. 0/1347 useless extension candidates. Maximal degree in co-relation 4788. Up to 158 conditions per place. [2023-08-27 03:38:01,163 INFO L82 GeneralOperation]: Start removeDead. Operand has 805 places, 649 transitions, 7694 flow [2023-08-27 03:38:01,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 800 places, 643 transitions, 7682 flow [2023-08-27 03:38:01,166 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:38:01,166 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 800 places, 643 transitions, 7682 flow [2023-08-27 03:38:01,167 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 800 places, 643 transitions, 7682 flow [2023-08-27 03:38:01,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 800 places, 643 transitions, 7682 flow [2023-08-27 03:38:01,688 INFO L124 PetriNetUnfolderBase]: 0/1109 cut-off events. [2023-08-27 03:38:01,688 INFO L125 PetriNetUnfolderBase]: For 82082/82082 co-relation queries the response was YES. [2023-08-27 03:38:01,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4425 conditions, 1109 events. 0/1109 cut-off events. For 82082/82082 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1126 event pairs, 0 based on Foata normal form. 0/1031 useless extension candidates. Maximal degree in co-relation 0. Up to 79 conditions per place. [2023-08-27 03:38:01,830 INFO L119 LiptonReduction]: Number of co-enabled transitions 343980 [2023-08-27 03:38:10,903 INFO L134 LiptonReduction]: Checked pairs total: 1052137 [2023-08-27 03:38:10,903 INFO L136 LiptonReduction]: Total number of compositions: 330 [2023-08-27 03:38:10,904 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:38:10,904 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:38:10,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:38:11,134 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:38:11,134 INFO L124 PetriNetUnfolderBase]: 0/546 cut-off events. [2023-08-27 03:38:11,134 INFO L125 PetriNetUnfolderBase]: For 82082/82082 co-relation queries the response was YES. [2023-08-27 03:38:11,134 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:38:11,134 INFO L208 CegarLoopForPetriNet]: trace histogram [78, 78, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:38:11,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:38:11,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:38:11,134 INFO L85 PathProgramCache]: Analyzing trace with hash -616090142, now seen corresponding path program 1 times [2023-08-27 03:38:11,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:38:11,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051730263] [2023-08-27 03:38:11,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:38:11,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:38:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:11,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:38:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:11,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:38:11,363 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:38:11,363 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:38:11,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-08-27 03:38:11,364 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:38:11,364 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:38:11,364 WARN L233 ceAbstractionStarter]: 78 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:38:11,364 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 79 thread instances. [2023-08-27 03:38:11,473 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:38:11,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 815 places, 657 transitions, 7871 flow [2023-08-27 03:38:12,108 INFO L124 PetriNetUnfolderBase]: 80/1603 cut-off events. [2023-08-27 03:38:12,108 INFO L125 PetriNetUnfolderBase]: For 85241/85241 co-relation queries the response was YES. [2023-08-27 03:38:12,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5001 conditions, 1603 events. 80/1603 cut-off events. For 85241/85241 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2780 event pairs, 0 based on Foata normal form. 0/1364 useless extension candidates. Maximal degree in co-relation 4889. Up to 160 conditions per place. [2023-08-27 03:38:12,205 INFO L82 GeneralOperation]: Start removeDead. Operand has 815 places, 657 transitions, 7871 flow [2023-08-27 03:38:12,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 810 places, 651 transitions, 7859 flow [2023-08-27 03:38:12,209 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:38:12,209 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 810 places, 651 transitions, 7859 flow [2023-08-27 03:38:12,209 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 810 places, 651 transitions, 7859 flow [2023-08-27 03:38:12,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 810 places, 651 transitions, 7859 flow [2023-08-27 03:38:12,830 INFO L124 PetriNetUnfolderBase]: 0/1123 cut-off events. [2023-08-27 03:38:12,830 INFO L125 PetriNetUnfolderBase]: For 85241/85241 co-relation queries the response was YES. [2023-08-27 03:38:12,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4521 conditions, 1123 events. 0/1123 cut-off events. For 85241/85241 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1131 event pairs, 0 based on Foata normal form. 0/1044 useless extension candidates. Maximal degree in co-relation 0. Up to 80 conditions per place. [2023-08-27 03:38:12,966 INFO L119 LiptonReduction]: Number of co-enabled transitions 352814 [2023-08-27 03:38:22,155 INFO L134 LiptonReduction]: Checked pairs total: 1082742 [2023-08-27 03:38:22,155 INFO L136 LiptonReduction]: Total number of compositions: 334 [2023-08-27 03:38:22,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:38:22,156 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:38:22,156 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:38:22,433 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:38:22,433 INFO L124 PetriNetUnfolderBase]: 0/553 cut-off events. [2023-08-27 03:38:22,433 INFO L125 PetriNetUnfolderBase]: For 85241/85241 co-relation queries the response was YES. [2023-08-27 03:38:22,433 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:38:22,433 INFO L208 CegarLoopForPetriNet]: trace histogram [79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:38:22,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:38:22,434 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:38:22,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1488413322, now seen corresponding path program 1 times [2023-08-27 03:38:22,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:38:22,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775793230] [2023-08-27 03:38:22,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:38:22,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:38:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:22,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:38:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:22,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:38:22,649 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:38:22,649 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:38:22,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-08-27 03:38:22,649 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:38:22,650 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:38:22,650 WARN L233 ceAbstractionStarter]: 79 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:38:22,650 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 80 thread instances. [2023-08-27 03:38:22,761 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:38:22,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 825 places, 665 transitions, 8050 flow [2023-08-27 03:38:23,425 INFO L124 PetriNetUnfolderBase]: 81/1623 cut-off events. [2023-08-27 03:38:23,425 INFO L125 PetriNetUnfolderBase]: For 88480/88480 co-relation queries the response was YES. [2023-08-27 03:38:23,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5104 conditions, 1623 events. 81/1623 cut-off events. For 88480/88480 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2960 event pairs, 0 based on Foata normal form. 0/1381 useless extension candidates. Maximal degree in co-relation 4991. Up to 162 conditions per place. [2023-08-27 03:38:23,519 INFO L82 GeneralOperation]: Start removeDead. Operand has 825 places, 665 transitions, 8050 flow [2023-08-27 03:38:23,522 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 820 places, 659 transitions, 8038 flow [2023-08-27 03:38:23,522 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:38:23,523 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 820 places, 659 transitions, 8038 flow [2023-08-27 03:38:23,523 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 820 places, 659 transitions, 8038 flow [2023-08-27 03:38:23,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 820 places, 659 transitions, 8038 flow [2023-08-27 03:38:24,016 INFO L124 PetriNetUnfolderBase]: 0/1137 cut-off events. [2023-08-27 03:38:24,016 INFO L125 PetriNetUnfolderBase]: For 88480/88480 co-relation queries the response was YES. [2023-08-27 03:38:24,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4618 conditions, 1137 events. 0/1137 cut-off events. For 88480/88480 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1140 event pairs, 0 based on Foata normal form. 0/1057 useless extension candidates. Maximal degree in co-relation 0. Up to 81 conditions per place. [2023-08-27 03:38:24,312 INFO L119 LiptonReduction]: Number of co-enabled transitions 361760 [2023-08-27 03:38:33,635 INFO L134 LiptonReduction]: Checked pairs total: 1112445 [2023-08-27 03:38:33,636 INFO L136 LiptonReduction]: Total number of compositions: 338 [2023-08-27 03:38:33,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:38:33,637 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:38:33,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:38:33,835 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:38:33,835 INFO L124 PetriNetUnfolderBase]: 0/561 cut-off events. [2023-08-27 03:38:33,835 INFO L125 PetriNetUnfolderBase]: For 88480/88480 co-relation queries the response was YES. [2023-08-27 03:38:33,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:38:33,835 INFO L208 CegarLoopForPetriNet]: trace histogram [80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:38:33,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:38:33,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:38:33,835 INFO L85 PathProgramCache]: Analyzing trace with hash -523239977, now seen corresponding path program 1 times [2023-08-27 03:38:33,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:38:33,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54729826] [2023-08-27 03:38:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:38:33,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:38:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:34,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:38:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:34,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:38:34,162 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:38:34,163 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:38:34,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-08-27 03:38:34,163 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:38:34,163 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:38:34,163 WARN L233 ceAbstractionStarter]: 80 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:38:34,163 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 81 thread instances. [2023-08-27 03:38:34,303 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:38:34,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 835 places, 673 transitions, 8231 flow [2023-08-27 03:38:35,008 INFO L124 PetriNetUnfolderBase]: 82/1643 cut-off events. [2023-08-27 03:38:35,008 INFO L125 PetriNetUnfolderBase]: For 91800/91800 co-relation queries the response was YES. [2023-08-27 03:38:35,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5208 conditions, 1643 events. 82/1643 cut-off events. For 91800/91800 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2869 event pairs, 0 based on Foata normal form. 0/1398 useless extension candidates. Maximal degree in co-relation 5094. Up to 164 conditions per place. [2023-08-27 03:38:35,104 INFO L82 GeneralOperation]: Start removeDead. Operand has 835 places, 673 transitions, 8231 flow [2023-08-27 03:38:35,108 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 830 places, 667 transitions, 8219 flow [2023-08-27 03:38:35,108 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:38:35,108 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 830 places, 667 transitions, 8219 flow [2023-08-27 03:38:35,108 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 830 places, 667 transitions, 8219 flow [2023-08-27 03:38:35,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 830 places, 667 transitions, 8219 flow [2023-08-27 03:38:35,622 INFO L124 PetriNetUnfolderBase]: 0/1151 cut-off events. [2023-08-27 03:38:35,623 INFO L125 PetriNetUnfolderBase]: For 91800/91800 co-relation queries the response was YES. [2023-08-27 03:38:35,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4716 conditions, 1151 events. 0/1151 cut-off events. For 91800/91800 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1168 event pairs, 0 based on Foata normal form. 0/1070 useless extension candidates. Maximal degree in co-relation 0. Up to 82 conditions per place. [2023-08-27 03:38:35,941 INFO L119 LiptonReduction]: Number of co-enabled transitions 370818 [2023-08-27 03:38:45,389 INFO L134 LiptonReduction]: Checked pairs total: 1134854 [2023-08-27 03:38:45,389 INFO L136 LiptonReduction]: Total number of compositions: 342 [2023-08-27 03:38:45,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:38:45,390 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:38:45,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:38:45,585 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:38:45,585 INFO L124 PetriNetUnfolderBase]: 0/567 cut-off events. [2023-08-27 03:38:45,585 INFO L125 PetriNetUnfolderBase]: For 91800/91800 co-relation queries the response was YES. [2023-08-27 03:38:45,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:38:45,586 INFO L208 CegarLoopForPetriNet]: trace histogram [81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:38:45,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:38:45,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:38:45,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1258728017, now seen corresponding path program 1 times [2023-08-27 03:38:45,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:38:45,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111704159] [2023-08-27 03:38:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:38:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:38:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:45,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:38:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:45,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:38:45,940 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:38:45,940 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:38:45,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-08-27 03:38:45,940 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:38:45,940 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:38:45,940 WARN L233 ceAbstractionStarter]: 81 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:38:45,940 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 82 thread instances. [2023-08-27 03:38:46,070 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:38:46,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 845 places, 681 transitions, 8414 flow [2023-08-27 03:38:46,868 INFO L124 PetriNetUnfolderBase]: 83/1663 cut-off events. [2023-08-27 03:38:46,868 INFO L125 PetriNetUnfolderBase]: For 95202/95202 co-relation queries the response was YES. [2023-08-27 03:38:46,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5313 conditions, 1663 events. 83/1663 cut-off events. For 95202/95202 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2873 event pairs, 0 based on Foata normal form. 0/1415 useless extension candidates. Maximal degree in co-relation 5198. Up to 166 conditions per place. [2023-08-27 03:38:46,968 INFO L82 GeneralOperation]: Start removeDead. Operand has 845 places, 681 transitions, 8414 flow [2023-08-27 03:38:46,972 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 840 places, 675 transitions, 8402 flow [2023-08-27 03:38:46,972 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:38:46,972 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 840 places, 675 transitions, 8402 flow [2023-08-27 03:38:46,972 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 840 places, 675 transitions, 8402 flow [2023-08-27 03:38:46,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 840 places, 675 transitions, 8402 flow [2023-08-27 03:38:47,506 INFO L124 PetriNetUnfolderBase]: 0/1165 cut-off events. [2023-08-27 03:38:47,506 INFO L125 PetriNetUnfolderBase]: For 95202/95202 co-relation queries the response was YES. [2023-08-27 03:38:47,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4815 conditions, 1165 events. 0/1165 cut-off events. For 95202/95202 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1168 event pairs, 0 based on Foata normal form. 0/1083 useless extension candidates. Maximal degree in co-relation 0. Up to 83 conditions per place. [2023-08-27 03:38:47,682 INFO L119 LiptonReduction]: Number of co-enabled transitions 379988 [2023-08-27 03:38:57,326 INFO L134 LiptonReduction]: Checked pairs total: 1175855 [2023-08-27 03:38:57,326 INFO L136 LiptonReduction]: Total number of compositions: 346 [2023-08-27 03:38:57,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:38:57,327 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:38:57,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:38:57,532 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:38:57,532 INFO L124 PetriNetUnfolderBase]: 0/574 cut-off events. [2023-08-27 03:38:57,532 INFO L125 PetriNetUnfolderBase]: For 95202/95202 co-relation queries the response was YES. [2023-08-27 03:38:57,533 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:38:57,533 INFO L208 CegarLoopForPetriNet]: trace histogram [82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:38:57,533 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:38:57,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:38:57,533 INFO L85 PathProgramCache]: Analyzing trace with hash -889013044, now seen corresponding path program 1 times [2023-08-27 03:38:57,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:38:57,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645826699] [2023-08-27 03:38:57,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:38:57,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:38:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:57,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:38:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:38:57,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:38:57,761 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:38:57,761 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:38:57,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-08-27 03:38:57,761 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:38:57,762 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:38:57,762 WARN L233 ceAbstractionStarter]: 82 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:38:57,762 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 83 thread instances. [2023-08-27 03:38:57,874 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:38:57,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 855 places, 689 transitions, 8599 flow [2023-08-27 03:38:58,732 INFO L124 PetriNetUnfolderBase]: 84/1683 cut-off events. [2023-08-27 03:38:58,732 INFO L125 PetriNetUnfolderBase]: For 98687/98687 co-relation queries the response was YES. [2023-08-27 03:38:58,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5419 conditions, 1683 events. 84/1683 cut-off events. For 98687/98687 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2942 event pairs, 0 based on Foata normal form. 0/1432 useless extension candidates. Maximal degree in co-relation 5303. Up to 168 conditions per place. [2023-08-27 03:38:58,802 INFO L82 GeneralOperation]: Start removeDead. Operand has 855 places, 689 transitions, 8599 flow [2023-08-27 03:38:58,806 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 850 places, 683 transitions, 8587 flow [2023-08-27 03:38:58,806 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:38:58,806 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 850 places, 683 transitions, 8587 flow [2023-08-27 03:38:58,806 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 850 places, 683 transitions, 8587 flow [2023-08-27 03:38:58,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 850 places, 683 transitions, 8587 flow [2023-08-27 03:38:59,343 INFO L124 PetriNetUnfolderBase]: 0/1179 cut-off events. [2023-08-27 03:38:59,343 INFO L125 PetriNetUnfolderBase]: For 98687/98687 co-relation queries the response was YES. [2023-08-27 03:38:59,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4915 conditions, 1179 events. 0/1179 cut-off events. For 98687/98687 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1194 event pairs, 0 based on Foata normal form. 0/1096 useless extension candidates. Maximal degree in co-relation 0. Up to 84 conditions per place. [2023-08-27 03:38:59,518 INFO L119 LiptonReduction]: Number of co-enabled transitions 389270 [2023-08-27 03:39:09,205 INFO L134 LiptonReduction]: Checked pairs total: 1185377 [2023-08-27 03:39:09,205 INFO L136 LiptonReduction]: Total number of compositions: 350 [2023-08-27 03:39:09,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:39:09,206 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:39:09,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:39:09,417 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:39:09,417 INFO L124 PetriNetUnfolderBase]: 0/581 cut-off events. [2023-08-27 03:39:09,417 INFO L125 PetriNetUnfolderBase]: For 98687/98687 co-relation queries the response was YES. [2023-08-27 03:39:09,417 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:39:09,417 INFO L208 CegarLoopForPetriNet]: trace histogram [83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:39:09,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:39:09,418 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:39:09,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1366544999, now seen corresponding path program 1 times [2023-08-27 03:39:09,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:39:09,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327029479] [2023-08-27 03:39:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:39:09,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:39:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:09,544 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:39:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:09,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:39:09,686 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:39:09,686 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:39:09,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-08-27 03:39:09,687 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:39:09,687 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:39:09,687 WARN L233 ceAbstractionStarter]: 83 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:39:09,687 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 84 thread instances. [2023-08-27 03:39:09,807 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:39:09,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 865 places, 697 transitions, 8786 flow [2023-08-27 03:39:10,568 INFO L124 PetriNetUnfolderBase]: 85/1703 cut-off events. [2023-08-27 03:39:10,568 INFO L125 PetriNetUnfolderBase]: For 102256/102256 co-relation queries the response was YES. [2023-08-27 03:39:10,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5526 conditions, 1703 events. 85/1703 cut-off events. For 102256/102256 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2956 event pairs, 0 based on Foata normal form. 0/1449 useless extension candidates. Maximal degree in co-relation 5409. Up to 170 conditions per place. [2023-08-27 03:39:10,673 INFO L82 GeneralOperation]: Start removeDead. Operand has 865 places, 697 transitions, 8786 flow [2023-08-27 03:39:10,677 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 860 places, 691 transitions, 8774 flow [2023-08-27 03:39:10,677 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:39:10,677 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 860 places, 691 transitions, 8774 flow [2023-08-27 03:39:10,677 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 860 places, 691 transitions, 8774 flow [2023-08-27 03:39:10,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 860 places, 691 transitions, 8774 flow [2023-08-27 03:39:11,338 INFO L124 PetriNetUnfolderBase]: 0/1193 cut-off events. [2023-08-27 03:39:11,338 INFO L125 PetriNetUnfolderBase]: For 102256/102256 co-relation queries the response was YES. [2023-08-27 03:39:11,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5016 conditions, 1193 events. 0/1193 cut-off events. For 102256/102256 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1200 event pairs, 0 based on Foata normal form. 0/1109 useless extension candidates. Maximal degree in co-relation 0. Up to 85 conditions per place. [2023-08-27 03:39:11,499 INFO L119 LiptonReduction]: Number of co-enabled transitions 398664 [2023-08-27 03:39:21,282 INFO L134 LiptonReduction]: Checked pairs total: 1230444 [2023-08-27 03:39:21,282 INFO L136 LiptonReduction]: Total number of compositions: 354 [2023-08-27 03:39:21,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:39:21,284 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:39:21,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:39:21,604 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:39:21,604 INFO L124 PetriNetUnfolderBase]: 0/588 cut-off events. [2023-08-27 03:39:21,604 INFO L125 PetriNetUnfolderBase]: For 102256/102256 co-relation queries the response was YES. [2023-08-27 03:39:21,604 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:39:21,605 INFO L208 CegarLoopForPetriNet]: trace histogram [84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:39:21,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:39:21,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:39:21,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1077138881, now seen corresponding path program 1 times [2023-08-27 03:39:21,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:39:21,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045394290] [2023-08-27 03:39:21,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:39:21,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:39:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:21,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:39:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:21,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:39:21,867 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:39:21,868 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:39:21,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-08-27 03:39:21,868 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:39:21,868 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:39:21,868 WARN L233 ceAbstractionStarter]: 84 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:39:21,868 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 85 thread instances. [2023-08-27 03:39:21,986 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:39:21,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 875 places, 705 transitions, 8975 flow [2023-08-27 03:39:22,772 INFO L124 PetriNetUnfolderBase]: 86/1723 cut-off events. [2023-08-27 03:39:22,772 INFO L125 PetriNetUnfolderBase]: For 105910/105910 co-relation queries the response was YES. [2023-08-27 03:39:22,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5634 conditions, 1723 events. 86/1723 cut-off events. For 105910/105910 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3006 event pairs, 0 based on Foata normal form. 0/1466 useless extension candidates. Maximal degree in co-relation 5516. Up to 172 conditions per place. [2023-08-27 03:39:22,885 INFO L82 GeneralOperation]: Start removeDead. Operand has 875 places, 705 transitions, 8975 flow [2023-08-27 03:39:22,889 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 870 places, 699 transitions, 8963 flow [2023-08-27 03:39:22,889 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:39:22,889 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 870 places, 699 transitions, 8963 flow [2023-08-27 03:39:22,889 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 870 places, 699 transitions, 8963 flow [2023-08-27 03:39:22,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 870 places, 699 transitions, 8963 flow [2023-08-27 03:39:23,475 INFO L124 PetriNetUnfolderBase]: 0/1207 cut-off events. [2023-08-27 03:39:23,475 INFO L125 PetriNetUnfolderBase]: For 105910/105910 co-relation queries the response was YES. [2023-08-27 03:39:23,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5118 conditions, 1207 events. 0/1207 cut-off events. For 105910/105910 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1219 event pairs, 0 based on Foata normal form. 0/1122 useless extension candidates. Maximal degree in co-relation 0. Up to 86 conditions per place. [2023-08-27 03:39:23,830 INFO L119 LiptonReduction]: Number of co-enabled transitions 408170 [2023-08-27 03:39:33,630 INFO L134 LiptonReduction]: Checked pairs total: 1241109 [2023-08-27 03:39:33,630 INFO L136 LiptonReduction]: Total number of compositions: 358 [2023-08-27 03:39:33,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:39:33,631 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:39:33,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:39:33,851 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:39:33,851 INFO L124 PetriNetUnfolderBase]: 0/595 cut-off events. [2023-08-27 03:39:33,852 INFO L125 PetriNetUnfolderBase]: For 105910/105910 co-relation queries the response was YES. [2023-08-27 03:39:33,852 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:39:33,852 INFO L208 CegarLoopForPetriNet]: trace histogram [85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:39:33,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:39:33,852 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:39:33,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1566968241, now seen corresponding path program 1 times [2023-08-27 03:39:33,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:39:33,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334620345] [2023-08-27 03:39:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:39:33,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:39:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:33,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:39:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:34,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:39:34,112 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:39:34,112 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:39:34,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-08-27 03:39:34,113 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:39:34,113 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:39:34,113 WARN L233 ceAbstractionStarter]: 85 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:39:34,113 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 86 thread instances. [2023-08-27 03:39:34,235 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:39:34,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 885 places, 713 transitions, 9166 flow [2023-08-27 03:39:35,097 INFO L124 PetriNetUnfolderBase]: 87/1743 cut-off events. [2023-08-27 03:39:35,098 INFO L125 PetriNetUnfolderBase]: For 109650/109650 co-relation queries the response was YES. [2023-08-27 03:39:35,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5743 conditions, 1743 events. 87/1743 cut-off events. For 109650/109650 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3033 event pairs, 0 based on Foata normal form. 0/1483 useless extension candidates. Maximal degree in co-relation 5624. Up to 174 conditions per place. [2023-08-27 03:39:35,209 INFO L82 GeneralOperation]: Start removeDead. Operand has 885 places, 713 transitions, 9166 flow [2023-08-27 03:39:35,212 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 880 places, 707 transitions, 9154 flow [2023-08-27 03:39:35,213 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:39:35,213 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 880 places, 707 transitions, 9154 flow [2023-08-27 03:39:35,213 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 880 places, 707 transitions, 9154 flow [2023-08-27 03:39:35,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 880 places, 707 transitions, 9154 flow [2023-08-27 03:39:35,800 INFO L124 PetriNetUnfolderBase]: 0/1221 cut-off events. [2023-08-27 03:39:35,800 INFO L125 PetriNetUnfolderBase]: For 109650/109650 co-relation queries the response was YES. [2023-08-27 03:39:35,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5221 conditions, 1221 events. 0/1221 cut-off events. For 109650/109650 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1236 event pairs, 0 based on Foata normal form. 0/1135 useless extension candidates. Maximal degree in co-relation 0. Up to 87 conditions per place. [2023-08-27 03:39:35,994 INFO L119 LiptonReduction]: Number of co-enabled transitions 417788 [2023-08-27 03:39:45,832 INFO L134 LiptonReduction]: Checked pairs total: 1281779 [2023-08-27 03:39:45,832 INFO L136 LiptonReduction]: Total number of compositions: 362 [2023-08-27 03:39:45,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:39:45,833 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:39:45,833 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:39:46,062 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:39:46,062 INFO L124 PetriNetUnfolderBase]: 0/602 cut-off events. [2023-08-27 03:39:46,062 INFO L125 PetriNetUnfolderBase]: For 109650/109650 co-relation queries the response was YES. [2023-08-27 03:39:46,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:39:46,062 INFO L208 CegarLoopForPetriNet]: trace histogram [86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:39:46,062 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:39:46,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:39:46,062 INFO L85 PathProgramCache]: Analyzing trace with hash 557014, now seen corresponding path program 1 times [2023-08-27 03:39:46,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:39:46,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022860431] [2023-08-27 03:39:46,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:39:46,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:39:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:46,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:39:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:46,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:39:46,347 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:39:46,347 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:39:46,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-08-27 03:39:46,347 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:39:46,347 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:39:46,348 WARN L233 ceAbstractionStarter]: 86 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:39:46,348 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 87 thread instances. [2023-08-27 03:39:46,474 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:39:46,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 895 places, 721 transitions, 9359 flow [2023-08-27 03:39:47,417 INFO L124 PetriNetUnfolderBase]: 88/1763 cut-off events. [2023-08-27 03:39:47,417 INFO L125 PetriNetUnfolderBase]: For 113477/113477 co-relation queries the response was YES. [2023-08-27 03:39:47,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5853 conditions, 1763 events. 88/1763 cut-off events. For 113477/113477 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3094 event pairs, 0 based on Foata normal form. 0/1500 useless extension candidates. Maximal degree in co-relation 5733. Up to 176 conditions per place. [2023-08-27 03:39:47,502 INFO L82 GeneralOperation]: Start removeDead. Operand has 895 places, 721 transitions, 9359 flow [2023-08-27 03:39:47,506 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 890 places, 715 transitions, 9347 flow [2023-08-27 03:39:47,506 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:39:47,506 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 890 places, 715 transitions, 9347 flow [2023-08-27 03:39:47,506 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 890 places, 715 transitions, 9347 flow [2023-08-27 03:39:47,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 890 places, 715 transitions, 9347 flow [2023-08-27 03:39:48,106 INFO L124 PetriNetUnfolderBase]: 0/1235 cut-off events. [2023-08-27 03:39:48,107 INFO L125 PetriNetUnfolderBase]: For 113477/113477 co-relation queries the response was YES. [2023-08-27 03:39:48,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5325 conditions, 1235 events. 0/1235 cut-off events. For 113477/113477 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1262 event pairs, 0 based on Foata normal form. 0/1148 useless extension candidates. Maximal degree in co-relation 0. Up to 88 conditions per place. [2023-08-27 03:39:48,304 INFO L119 LiptonReduction]: Number of co-enabled transitions 427518 [2023-08-27 03:39:58,434 INFO L134 LiptonReduction]: Checked pairs total: 1317948 [2023-08-27 03:39:58,434 INFO L136 LiptonReduction]: Total number of compositions: 366 [2023-08-27 03:39:58,435 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:39:58,435 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:39:58,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:39:58,676 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:39:58,677 INFO L124 PetriNetUnfolderBase]: 0/610 cut-off events. [2023-08-27 03:39:58,677 INFO L125 PetriNetUnfolderBase]: For 113477/113477 co-relation queries the response was YES. [2023-08-27 03:39:58,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:39:58,677 INFO L208 CegarLoopForPetriNet]: trace histogram [87, 87, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:39:58,677 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:39:58,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:39:58,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1579886214, now seen corresponding path program 1 times [2023-08-27 03:39:58,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:39:58,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661136805] [2023-08-27 03:39:58,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:39:58,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:39:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:58,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:39:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:39:58,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:39:58,969 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:39:58,969 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:39:58,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-08-27 03:39:58,969 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:39:58,969 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:39:58,969 WARN L233 ceAbstractionStarter]: 87 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:39:58,969 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 88 thread instances. [2023-08-27 03:39:59,090 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:39:59,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 905 places, 729 transitions, 9554 flow [2023-08-27 03:40:00,151 INFO L124 PetriNetUnfolderBase]: 89/1783 cut-off events. [2023-08-27 03:40:00,151 INFO L125 PetriNetUnfolderBase]: For 117392/117392 co-relation queries the response was YES. [2023-08-27 03:40:00,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5964 conditions, 1783 events. 89/1783 cut-off events. For 117392/117392 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3086 event pairs, 0 based on Foata normal form. 0/1517 useless extension candidates. Maximal degree in co-relation 5843. Up to 178 conditions per place. [2023-08-27 03:40:00,228 INFO L82 GeneralOperation]: Start removeDead. Operand has 905 places, 729 transitions, 9554 flow [2023-08-27 03:40:00,231 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 900 places, 723 transitions, 9542 flow [2023-08-27 03:40:00,231 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:40:00,232 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 900 places, 723 transitions, 9542 flow [2023-08-27 03:40:00,232 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 900 places, 723 transitions, 9542 flow [2023-08-27 03:40:00,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 900 places, 723 transitions, 9542 flow [2023-08-27 03:40:00,865 INFO L124 PetriNetUnfolderBase]: 0/1249 cut-off events. [2023-08-27 03:40:00,865 INFO L125 PetriNetUnfolderBase]: For 117392/117392 co-relation queries the response was YES. [2023-08-27 03:40:00,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5430 conditions, 1249 events. 0/1249 cut-off events. For 117392/117392 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1254 event pairs, 0 based on Foata normal form. 0/1161 useless extension candidates. Maximal degree in co-relation 0. Up to 89 conditions per place. [2023-08-27 03:40:01,070 INFO L119 LiptonReduction]: Number of co-enabled transitions 437360 [2023-08-27 03:40:11,358 INFO L134 LiptonReduction]: Checked pairs total: 1356058 [2023-08-27 03:40:11,358 INFO L136 LiptonReduction]: Total number of compositions: 370 [2023-08-27 03:40:11,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:40:11,359 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:40:11,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:40:11,599 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:40:11,600 INFO L124 PetriNetUnfolderBase]: 0/616 cut-off events. [2023-08-27 03:40:11,600 INFO L125 PetriNetUnfolderBase]: For 117392/117392 co-relation queries the response was YES. [2023-08-27 03:40:11,600 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:40:11,600 INFO L208 CegarLoopForPetriNet]: trace histogram [88, 88, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:40:11,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:40:11,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:40:11,600 INFO L85 PathProgramCache]: Analyzing trace with hash -55205717, now seen corresponding path program 1 times [2023-08-27 03:40:11,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:40:11,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201075708] [2023-08-27 03:40:11,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:40:11,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:40:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:40:11,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:40:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:40:11,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:40:11,892 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:40:11,892 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:40:11,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-08-27 03:40:11,892 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:40:11,892 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:40:11,893 WARN L233 ceAbstractionStarter]: 88 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:40:11,893 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 89 thread instances. [2023-08-27 03:40:12,012 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:40:12,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 915 places, 737 transitions, 9751 flow [2023-08-27 03:40:13,003 INFO L124 PetriNetUnfolderBase]: 90/1803 cut-off events. [2023-08-27 03:40:13,003 INFO L125 PetriNetUnfolderBase]: For 121396/121396 co-relation queries the response was YES. [2023-08-27 03:40:13,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6076 conditions, 1803 events. 90/1803 cut-off events. For 121396/121396 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3119 event pairs, 0 based on Foata normal form. 0/1534 useless extension candidates. Maximal degree in co-relation 5954. Up to 180 conditions per place. [2023-08-27 03:40:13,094 INFO L82 GeneralOperation]: Start removeDead. Operand has 915 places, 737 transitions, 9751 flow [2023-08-27 03:40:13,098 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 910 places, 731 transitions, 9739 flow [2023-08-27 03:40:13,098 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:40:13,098 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 910 places, 731 transitions, 9739 flow [2023-08-27 03:40:13,098 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 910 places, 731 transitions, 9739 flow [2023-08-27 03:40:13,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 910 places, 731 transitions, 9739 flow [2023-08-27 03:40:13,727 INFO L124 PetriNetUnfolderBase]: 0/1263 cut-off events. [2023-08-27 03:40:13,727 INFO L125 PetriNetUnfolderBase]: For 121396/121396 co-relation queries the response was YES. [2023-08-27 03:40:13,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5536 conditions, 1263 events. 0/1263 cut-off events. For 121396/121396 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1270 event pairs, 0 based on Foata normal form. 0/1174 useless extension candidates. Maximal degree in co-relation 0. Up to 90 conditions per place. [2023-08-27 03:40:13,937 INFO L119 LiptonReduction]: Number of co-enabled transitions 447314 [2023-08-27 03:40:24,319 INFO L134 LiptonReduction]: Checked pairs total: 1369148 [2023-08-27 03:40:24,319 INFO L136 LiptonReduction]: Total number of compositions: 374 [2023-08-27 03:40:24,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:40:24,320 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:40:24,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:40:24,571 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:40:24,571 INFO L124 PetriNetUnfolderBase]: 0/623 cut-off events. [2023-08-27 03:40:24,571 INFO L125 PetriNetUnfolderBase]: For 121396/121396 co-relation queries the response was YES. [2023-08-27 03:40:24,572 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:40:24,572 INFO L208 CegarLoopForPetriNet]: trace histogram [89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:40:24,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:40:24,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:40:24,572 INFO L85 PathProgramCache]: Analyzing trace with hash -2037589389, now seen corresponding path program 1 times [2023-08-27 03:40:24,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:40:24,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110923518] [2023-08-27 03:40:24,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:40:24,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:40:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:40:24,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:40:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:40:24,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:40:24,898 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:40:24,898 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:40:24,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-08-27 03:40:24,898 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:40:24,898 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:40:24,898 WARN L233 ceAbstractionStarter]: 89 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:40:24,898 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 90 thread instances. [2023-08-27 03:40:25,019 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:40:25,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 925 places, 745 transitions, 9950 flow [2023-08-27 03:40:25,999 INFO L124 PetriNetUnfolderBase]: 91/1823 cut-off events. [2023-08-27 03:40:25,999 INFO L125 PetriNetUnfolderBase]: For 125490/125490 co-relation queries the response was YES. [2023-08-27 03:40:26,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6189 conditions, 1823 events. 91/1823 cut-off events. For 125490/125490 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3158 event pairs, 0 based on Foata normal form. 0/1551 useless extension candidates. Maximal degree in co-relation 6066. Up to 182 conditions per place. [2023-08-27 03:40:26,104 INFO L82 GeneralOperation]: Start removeDead. Operand has 925 places, 745 transitions, 9950 flow [2023-08-27 03:40:26,108 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 920 places, 739 transitions, 9938 flow [2023-08-27 03:40:26,108 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:40:26,108 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 920 places, 739 transitions, 9938 flow [2023-08-27 03:40:26,108 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 920 places, 739 transitions, 9938 flow [2023-08-27 03:40:26,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 920 places, 739 transitions, 9938 flow [2023-08-27 03:40:26,763 INFO L124 PetriNetUnfolderBase]: 0/1277 cut-off events. [2023-08-27 03:40:26,763 INFO L125 PetriNetUnfolderBase]: For 125490/125490 co-relation queries the response was YES. [2023-08-27 03:40:26,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5643 conditions, 1277 events. 0/1277 cut-off events. For 125490/125490 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1285 event pairs, 0 based on Foata normal form. 0/1187 useless extension candidates. Maximal degree in co-relation 0. Up to 91 conditions per place. [2023-08-27 03:40:26,981 INFO L119 LiptonReduction]: Number of co-enabled transitions 457380 [2023-08-27 03:40:37,504 INFO L134 LiptonReduction]: Checked pairs total: 1405600 [2023-08-27 03:40:37,504 INFO L136 LiptonReduction]: Total number of compositions: 378 [2023-08-27 03:40:37,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:40:37,506 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:40:37,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:40:37,761 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:40:37,761 INFO L124 PetriNetUnfolderBase]: 0/631 cut-off events. [2023-08-27 03:40:37,761 INFO L125 PetriNetUnfolderBase]: For 125490/125490 co-relation queries the response was YES. [2023-08-27 03:40:37,761 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:40:37,761 INFO L208 CegarLoopForPetriNet]: trace histogram [90, 90, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:40:37,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:40:37,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:40:37,762 INFO L85 PathProgramCache]: Analyzing trace with hash -10295424, now seen corresponding path program 1 times [2023-08-27 03:40:37,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:40:37,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484249001] [2023-08-27 03:40:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:40:37,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:40:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:40:37,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:40:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:40:38,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:40:38,061 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:40:38,061 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:40:38,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-08-27 03:40:38,061 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:40:38,062 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:40:38,062 WARN L233 ceAbstractionStarter]: 90 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:40:38,062 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 91 thread instances. [2023-08-27 03:40:38,188 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:40:38,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 935 places, 753 transitions, 10151 flow [2023-08-27 03:40:39,161 INFO L124 PetriNetUnfolderBase]: 92/1843 cut-off events. [2023-08-27 03:40:39,161 INFO L125 PetriNetUnfolderBase]: For 129675/129675 co-relation queries the response was YES. [2023-08-27 03:40:39,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6303 conditions, 1843 events. 92/1843 cut-off events. For 129675/129675 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3200 event pairs, 0 based on Foata normal form. 0/1568 useless extension candidates. Maximal degree in co-relation 6179. Up to 184 conditions per place. [2023-08-27 03:40:39,282 INFO L82 GeneralOperation]: Start removeDead. Operand has 935 places, 753 transitions, 10151 flow [2023-08-27 03:40:39,286 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 930 places, 747 transitions, 10139 flow [2023-08-27 03:40:39,286 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:40:39,286 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 930 places, 747 transitions, 10139 flow [2023-08-27 03:40:39,287 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 930 places, 747 transitions, 10139 flow [2023-08-27 03:40:39,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 930 places, 747 transitions, 10139 flow [2023-08-27 03:40:39,958 INFO L124 PetriNetUnfolderBase]: 0/1291 cut-off events. [2023-08-27 03:40:39,958 INFO L125 PetriNetUnfolderBase]: For 129675/129675 co-relation queries the response was YES. [2023-08-27 03:40:39,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5751 conditions, 1291 events. 0/1291 cut-off events. For 129675/129675 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1306 event pairs, 0 based on Foata normal form. 0/1200 useless extension candidates. Maximal degree in co-relation 0. Up to 92 conditions per place. [2023-08-27 03:40:40,182 INFO L119 LiptonReduction]: Number of co-enabled transitions 467558 [2023-08-27 03:40:50,805 INFO L134 LiptonReduction]: Checked pairs total: 1425686 [2023-08-27 03:40:50,805 INFO L136 LiptonReduction]: Total number of compositions: 382 [2023-08-27 03:40:50,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:40:50,806 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:40:50,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:40:51,072 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:40:51,072 INFO L124 PetriNetUnfolderBase]: 0/638 cut-off events. [2023-08-27 03:40:51,072 INFO L125 PetriNetUnfolderBase]: For 129675/129675 co-relation queries the response was YES. [2023-08-27 03:40:51,073 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:40:51,073 INFO L208 CegarLoopForPetriNet]: trace histogram [91, 91, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:40:51,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:40:51,073 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:40:51,073 INFO L85 PathProgramCache]: Analyzing trace with hash 561275293, now seen corresponding path program 1 times [2023-08-27 03:40:51,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:40:51,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911613639] [2023-08-27 03:40:51,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:40:51,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:40:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:40:51,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:40:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:40:51,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:40:51,495 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:40:51,495 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:40:51,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-08-27 03:40:51,496 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:40:51,496 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:40:51,496 WARN L233 ceAbstractionStarter]: 91 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:40:51,496 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 92 thread instances. [2023-08-27 03:40:51,623 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:40:51,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 945 places, 761 transitions, 10354 flow [2023-08-27 03:40:52,567 INFO L124 PetriNetUnfolderBase]: 93/1863 cut-off events. [2023-08-27 03:40:52,567 INFO L125 PetriNetUnfolderBase]: For 133952/133952 co-relation queries the response was YES. [2023-08-27 03:40:52,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6418 conditions, 1863 events. 93/1863 cut-off events. For 133952/133952 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3218 event pairs, 0 based on Foata normal form. 0/1585 useless extension candidates. Maximal degree in co-relation 6293. Up to 186 conditions per place. [2023-08-27 03:40:52,698 INFO L82 GeneralOperation]: Start removeDead. Operand has 945 places, 761 transitions, 10354 flow [2023-08-27 03:40:52,703 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 940 places, 755 transitions, 10342 flow [2023-08-27 03:40:52,703 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:40:52,703 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 940 places, 755 transitions, 10342 flow [2023-08-27 03:40:52,703 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 940 places, 755 transitions, 10342 flow [2023-08-27 03:40:52,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 940 places, 755 transitions, 10342 flow [2023-08-27 03:40:53,605 INFO L124 PetriNetUnfolderBase]: 0/1305 cut-off events. [2023-08-27 03:40:53,606 INFO L125 PetriNetUnfolderBase]: For 133952/133952 co-relation queries the response was YES. [2023-08-27 03:40:53,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5860 conditions, 1305 events. 0/1305 cut-off events. For 133952/133952 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1313 event pairs, 0 based on Foata normal form. 0/1213 useless extension candidates. Maximal degree in co-relation 0. Up to 93 conditions per place. [2023-08-27 03:40:53,808 INFO L119 LiptonReduction]: Number of co-enabled transitions 477848 [2023-08-27 03:41:04,451 INFO L134 LiptonReduction]: Checked pairs total: 1473669 [2023-08-27 03:41:04,451 INFO L136 LiptonReduction]: Total number of compositions: 386 [2023-08-27 03:41:04,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:41:04,452 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:41:04,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:41:04,719 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:41:04,719 INFO L124 PetriNetUnfolderBase]: 0/644 cut-off events. [2023-08-27 03:41:04,719 INFO L125 PetriNetUnfolderBase]: For 133952/133952 co-relation queries the response was YES. [2023-08-27 03:41:04,719 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:41:04,719 INFO L208 CegarLoopForPetriNet]: trace histogram [92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:41:04,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:41:04,720 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:41:04,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1850820821, now seen corresponding path program 1 times [2023-08-27 03:41:04,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:41:04,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394626568] [2023-08-27 03:41:04,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:41:04,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:41:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:41:04,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:41:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:41:05,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:41:05,112 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:41:05,112 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:41:05,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-08-27 03:41:05,112 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:41:05,112 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:41:05,112 WARN L233 ceAbstractionStarter]: 92 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:41:05,112 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 93 thread instances. [2023-08-27 03:41:05,241 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:41:05,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 955 places, 769 transitions, 10559 flow [2023-08-27 03:41:06,205 INFO L124 PetriNetUnfolderBase]: 94/1883 cut-off events. [2023-08-27 03:41:06,205 INFO L125 PetriNetUnfolderBase]: For 138322/138322 co-relation queries the response was YES. [2023-08-27 03:41:06,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6534 conditions, 1883 events. 94/1883 cut-off events. For 138322/138322 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3218 event pairs, 0 based on Foata normal form. 0/1602 useless extension candidates. Maximal degree in co-relation 6408. Up to 188 conditions per place. [2023-08-27 03:41:06,342 INFO L82 GeneralOperation]: Start removeDead. Operand has 955 places, 769 transitions, 10559 flow [2023-08-27 03:41:06,347 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 950 places, 763 transitions, 10547 flow [2023-08-27 03:41:06,347 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:41:06,347 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 950 places, 763 transitions, 10547 flow [2023-08-27 03:41:06,347 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 950 places, 763 transitions, 10547 flow [2023-08-27 03:41:06,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 950 places, 763 transitions, 10547 flow [2023-08-27 03:41:07,217 INFO L124 PetriNetUnfolderBase]: 0/1319 cut-off events. [2023-08-27 03:41:07,217 INFO L125 PetriNetUnfolderBase]: For 138322/138322 co-relation queries the response was YES. [2023-08-27 03:41:07,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5970 conditions, 1319 events. 0/1319 cut-off events. For 138322/138322 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1405 event pairs, 0 based on Foata normal form. 0/1226 useless extension candidates. Maximal degree in co-relation 0. Up to 94 conditions per place. [2023-08-27 03:41:07,426 INFO L119 LiptonReduction]: Number of co-enabled transitions 488250 [2023-08-27 03:41:18,207 INFO L134 LiptonReduction]: Checked pairs total: 1604980 [2023-08-27 03:41:18,207 INFO L136 LiptonReduction]: Total number of compositions: 390 [2023-08-27 03:41:18,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:41:18,208 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:41:18,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:41:18,481 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:41:18,481 INFO L124 PetriNetUnfolderBase]: 0/651 cut-off events. [2023-08-27 03:41:18,481 INFO L125 PetriNetUnfolderBase]: For 138322/138322 co-relation queries the response was YES. [2023-08-27 03:41:18,481 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:41:18,481 INFO L208 CegarLoopForPetriNet]: trace histogram [93, 93, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:41:18,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:41:18,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:41:18,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1548707478, now seen corresponding path program 1 times [2023-08-27 03:41:18,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:41:18,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769219337] [2023-08-27 03:41:18,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:41:18,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:41:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:41:18,624 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:41:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:41:18,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:41:18,811 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:41:18,812 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:41:18,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-08-27 03:41:18,812 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:41:18,812 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:41:18,812 WARN L233 ceAbstractionStarter]: 93 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:41:18,812 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 94 thread instances. [2023-08-27 03:41:18,938 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:41:18,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 965 places, 777 transitions, 10766 flow [2023-08-27 03:41:20,061 INFO L124 PetriNetUnfolderBase]: 95/1903 cut-off events. [2023-08-27 03:41:20,062 INFO L125 PetriNetUnfolderBase]: For 142786/142786 co-relation queries the response was YES. [2023-08-27 03:41:20,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6651 conditions, 1903 events. 95/1903 cut-off events. For 142786/142786 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3258 event pairs, 0 based on Foata normal form. 0/1619 useless extension candidates. Maximal degree in co-relation 6524. Up to 190 conditions per place. [2023-08-27 03:41:20,165 INFO L82 GeneralOperation]: Start removeDead. Operand has 965 places, 777 transitions, 10766 flow [2023-08-27 03:41:20,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 960 places, 771 transitions, 10754 flow [2023-08-27 03:41:20,169 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:41:20,169 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 960 places, 771 transitions, 10754 flow [2023-08-27 03:41:20,169 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 960 places, 771 transitions, 10754 flow [2023-08-27 03:41:20,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 960 places, 771 transitions, 10754 flow [2023-08-27 03:41:21,031 INFO L124 PetriNetUnfolderBase]: 0/1333 cut-off events. [2023-08-27 03:41:21,032 INFO L125 PetriNetUnfolderBase]: For 142786/142786 co-relation queries the response was YES. [2023-08-27 03:41:21,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6081 conditions, 1333 events. 0/1333 cut-off events. For 142786/142786 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1427 event pairs, 0 based on Foata normal form. 0/1239 useless extension candidates. Maximal degree in co-relation 0. Up to 95 conditions per place. [2023-08-27 03:41:21,245 INFO L119 LiptonReduction]: Number of co-enabled transitions 498764 [2023-08-27 03:41:32,241 INFO L134 LiptonReduction]: Checked pairs total: 1636447 [2023-08-27 03:41:32,241 INFO L136 LiptonReduction]: Total number of compositions: 394 [2023-08-27 03:41:32,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:41:32,243 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:41:32,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:41:32,521 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:41:32,521 INFO L124 PetriNetUnfolderBase]: 0/658 cut-off events. [2023-08-27 03:41:32,521 INFO L125 PetriNetUnfolderBase]: For 142786/142786 co-relation queries the response was YES. [2023-08-27 03:41:32,521 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:41:32,521 INFO L208 CegarLoopForPetriNet]: trace histogram [94, 94, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:41:32,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:41:32,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:41:32,522 INFO L85 PathProgramCache]: Analyzing trace with hash 642530090, now seen corresponding path program 1 times [2023-08-27 03:41:32,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:41:32,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87315122] [2023-08-27 03:41:32,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:41:32,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:41:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:41:32,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:41:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:41:32,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:41:32,842 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:41:32,842 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:41:32,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-08-27 03:41:32,842 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:41:32,843 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:41:32,843 WARN L233 ceAbstractionStarter]: 94 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:41:32,843 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 95 thread instances. [2023-08-27 03:41:33,035 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:41:33,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 975 places, 785 transitions, 10975 flow [2023-08-27 03:41:34,362 INFO L124 PetriNetUnfolderBase]: 96/1923 cut-off events. [2023-08-27 03:41:34,362 INFO L125 PetriNetUnfolderBase]: For 147345/147345 co-relation queries the response was YES. [2023-08-27 03:41:34,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6769 conditions, 1923 events. 96/1923 cut-off events. For 147345/147345 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3269 event pairs, 0 based on Foata normal form. 0/1636 useless extension candidates. Maximal degree in co-relation 6641. Up to 192 conditions per place. [2023-08-27 03:41:34,456 INFO L82 GeneralOperation]: Start removeDead. Operand has 975 places, 785 transitions, 10975 flow [2023-08-27 03:41:34,459 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 970 places, 779 transitions, 10963 flow [2023-08-27 03:41:34,460 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:41:34,460 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 970 places, 779 transitions, 10963 flow [2023-08-27 03:41:34,460 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 970 places, 779 transitions, 10963 flow [2023-08-27 03:41:34,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 970 places, 779 transitions, 10963 flow [2023-08-27 03:41:35,366 INFO L124 PetriNetUnfolderBase]: 0/1347 cut-off events. [2023-08-27 03:41:35,366 INFO L125 PetriNetUnfolderBase]: For 147345/147345 co-relation queries the response was YES. [2023-08-27 03:41:35,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6193 conditions, 1347 events. 0/1347 cut-off events. For 147345/147345 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1432 event pairs, 0 based on Foata normal form. 0/1252 useless extension candidates. Maximal degree in co-relation 0. Up to 96 conditions per place. [2023-08-27 03:41:35,580 INFO L119 LiptonReduction]: Number of co-enabled transitions 509390 [2023-08-27 03:41:46,669 INFO L134 LiptonReduction]: Checked pairs total: 1685313 [2023-08-27 03:41:46,670 INFO L136 LiptonReduction]: Total number of compositions: 398 [2023-08-27 03:41:46,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:41:46,671 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:41:46,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:41:47,047 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:41:47,048 INFO L124 PetriNetUnfolderBase]: 0/665 cut-off events. [2023-08-27 03:41:47,048 INFO L125 PetriNetUnfolderBase]: For 147345/147345 co-relation queries the response was YES. [2023-08-27 03:41:47,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:41:47,048 INFO L208 CegarLoopForPetriNet]: trace histogram [95, 95, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:41:47,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:41:47,048 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:41:47,048 INFO L85 PathProgramCache]: Analyzing trace with hash -100128642, now seen corresponding path program 1 times [2023-08-27 03:41:47,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:41:47,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835136528] [2023-08-27 03:41:47,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:41:47,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:41:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:41:47,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:41:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:41:47,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:41:47,601 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:41:47,601 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:41:47,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-08-27 03:41:47,601 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:41:47,602 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:41:47,602 WARN L233 ceAbstractionStarter]: 95 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:41:47,602 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 96 thread instances. [2023-08-27 03:41:47,859 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:41:47,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 985 places, 793 transitions, 11186 flow [2023-08-27 03:41:49,852 INFO L124 PetriNetUnfolderBase]: 97/1943 cut-off events. [2023-08-27 03:41:49,853 INFO L125 PetriNetUnfolderBase]: For 152000/152000 co-relation queries the response was YES. [2023-08-27 03:41:49,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6888 conditions, 1943 events. 97/1943 cut-off events. For 152000/152000 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3339 event pairs, 0 based on Foata normal form. 0/1653 useless extension candidates. Maximal degree in co-relation 6759. Up to 194 conditions per place. [2023-08-27 03:41:49,955 INFO L82 GeneralOperation]: Start removeDead. Operand has 985 places, 793 transitions, 11186 flow [2023-08-27 03:41:49,959 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 980 places, 787 transitions, 11174 flow [2023-08-27 03:41:49,959 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:41:49,959 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 980 places, 787 transitions, 11174 flow [2023-08-27 03:41:49,959 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 980 places, 787 transitions, 11174 flow [2023-08-27 03:41:49,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 980 places, 787 transitions, 11174 flow [2023-08-27 03:41:51,036 INFO L124 PetriNetUnfolderBase]: 0/1361 cut-off events. [2023-08-27 03:41:51,037 INFO L125 PetriNetUnfolderBase]: For 152000/152000 co-relation queries the response was YES. [2023-08-27 03:41:51,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6306 conditions, 1361 events. 0/1361 cut-off events. For 152000/152000 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1465 event pairs, 0 based on Foata normal form. 0/1265 useless extension candidates. Maximal degree in co-relation 0. Up to 97 conditions per place. [2023-08-27 03:41:51,253 INFO L119 LiptonReduction]: Number of co-enabled transitions 520128 [2023-08-27 03:42:02,546 INFO L134 LiptonReduction]: Checked pairs total: 1693342 [2023-08-27 03:42:02,547 INFO L136 LiptonReduction]: Total number of compositions: 402 [2023-08-27 03:42:02,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:42:02,548 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:42:02,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-08-27 03:42:02,909 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 03:42:02,910 INFO L124 PetriNetUnfolderBase]: 0/672 cut-off events. [2023-08-27 03:42:02,910 INFO L125 PetriNetUnfolderBase]: For 152000/152000 co-relation queries the response was YES. [2023-08-27 03:42:02,910 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 03:42:02,910 INFO L208 CegarLoopForPetriNet]: trace histogram [96, 96, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 03:42:02,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 03:42:02,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 03:42:02,910 INFO L85 PathProgramCache]: Analyzing trace with hash 165893247, now seen corresponding path program 1 times [2023-08-27 03:42:02,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 03:42:02,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33900326] [2023-08-27 03:42:02,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 03:42:02,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 03:42:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:42:03,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 03:42:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 03:42:03,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 03:42:03,226 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 03:42:03,226 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:42:03,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-08-27 03:42:03,226 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-27 03:42:03,226 INFO L307 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (1/2) [2023-08-27 03:42:03,227 WARN L233 ceAbstractionStarter]: 96 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-27 03:42:03,227 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 97 thread instances. [2023-08-27 03:42:03,359 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 03:42:03,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 995 places, 801 transitions, 11399 flow [2023-08-27 03:42:04,810 INFO L124 PetriNetUnfolderBase]: 98/1963 cut-off events. [2023-08-27 03:42:04,810 INFO L125 PetriNetUnfolderBase]: For 156752/156752 co-relation queries the response was YES. [2023-08-27 03:42:04,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7008 conditions, 1963 events. 98/1963 cut-off events. For 156752/156752 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3342 event pairs, 0 based on Foata normal form. 0/1670 useless extension candidates. Maximal degree in co-relation 6878. Up to 196 conditions per place. [2023-08-27 03:42:04,909 INFO L82 GeneralOperation]: Start removeDead. Operand has 995 places, 801 transitions, 11399 flow [2023-08-27 03:42:04,913 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 990 places, 795 transitions, 11387 flow [2023-08-27 03:42:04,913 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 03:42:04,913 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 990 places, 795 transitions, 11387 flow [2023-08-27 03:42:04,913 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 990 places, 795 transitions, 11387 flow [2023-08-27 03:42:04,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 990 places, 795 transitions, 11387 flow [2023-08-27 03:42:05,918 INFO L124 PetriNetUnfolderBase]: 0/1375 cut-off events. [2023-08-27 03:42:05,918 INFO L125 PetriNetUnfolderBase]: For 156752/156752 co-relation queries the response was YES. [2023-08-27 03:42:05,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6420 conditions, 1375 events. 0/1375 cut-off events. For 156752/156752 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 1461 event pairs, 0 based on Foata normal form. 0/1278 useless extension candidates. Maximal degree in co-relation 0. Up to 98 conditions per place. [2023-08-27 03:42:06,146 INFO L119 LiptonReduction]: Number of co-enabled transitions 530978 [2023-08-27 03:42:17,676 INFO L134 LiptonReduction]: Checked pairs total: 1745321 [2023-08-27 03:42:17,676 INFO L136 LiptonReduction]: Total number of compositions: 406 [2023-08-27 03:42:17,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2023-08-27 03:42:17,677 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;@245acad6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 03:42:17,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Received shutdown request... [2023-08-27 03:42:18,064 WARN L619 AbstractCegarLoop]: Verification canceled: while PetriNetUnfolder was constructing finite prefix that currently has 5413 conditions, 661 events (0/660 cut-off events. For 142880/142880 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1086 event pairs, 0 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 0. Up to 95 conditions per place.). [2023-08-27 03:42:18,065 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2023-08-27 03:42:18,065 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-08-27 03:42:18,065 INFO L307 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (1/2) [2023-08-27 03:42:18,067 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 97 thread instances [2023-08-27 03:42:18,067 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 03:42:18,082 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-27 03:42:18,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 03:42:18 BasicIcfg [2023-08-27 03:42:18,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 03:42:18,103 INFO L158 Benchmark]: Toolchain (without parser) took 682304.75ms. Allocated memory was 341.8MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 317.0MB in the beginning and 5.1GB in the end (delta: -4.7GB). Peak memory consumption was 2.1GB. Max. memory is 16.0GB. [2023-08-27 03:42:18,103 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 341.8MB. Free memory is still 318.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 03:42:18,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.74ms. Allocated memory is still 341.8MB. Free memory was 317.0MB in the beginning and 297.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-27 03:42:18,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.51ms. Allocated memory is still 341.8MB. Free memory was 297.5MB in the beginning and 295.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 03:42:18,103 INFO L158 Benchmark]: Boogie Preprocessor took 38.52ms. Allocated memory is still 341.8MB. Free memory was 295.5MB in the beginning and 294.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 03:42:18,104 INFO L158 Benchmark]: RCFGBuilder took 354.09ms. Allocated memory is still 341.8MB. Free memory was 294.4MB in the beginning and 282.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-27 03:42:18,104 INFO L158 Benchmark]: TraceAbstraction took 681400.74ms. Allocated memory was 341.8MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 281.3MB in the beginning and 5.1GB in the end (delta: -4.8GB). Peak memory consumption was 2.0GB. Max. memory is 16.0GB. [2023-08-27 03:42:18,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 341.8MB. Free memory is still 318.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 450.74ms. Allocated memory is still 341.8MB. Free memory was 317.0MB in the beginning and 297.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 54.51ms. Allocated memory is still 341.8MB. Free memory was 297.5MB in the beginning and 295.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 38.52ms. Allocated memory is still 341.8MB. Free memory was 295.5MB in the beginning and 294.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 354.09ms. Allocated memory is still 341.8MB. Free memory was 294.4MB in the beginning and 282.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 681400.74ms. Allocated memory was 341.8MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 281.3MB in the beginning and 5.1GB in the end (delta: -4.8GB). Peak memory consumption was 2.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 265]: Unsoundness Warning unspecified type, defaulting to int C: short [265] - GenericResultAtLocation [Line: 265]: Unsoundness Warning unspecified type, defaulting to int C: short [265] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 30 PlacesBefore, 9 PlacesAfterwards, 27 TransitionsBefore, 6 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 25 TotalNumberOfCompositions, 83 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 83, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 52, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 83, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 52, unknown conditional: 0, unknown unconditional: 52] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.0s, 40 PlacesBefore, 19 PlacesAfterwards, 35 TransitionsBefore, 14 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 26 TotalNumberOfCompositions, 675 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 421, independent: 375, independent conditional: 0, independent unconditional: 375, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 160, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 421, independent: 230, independent conditional: 0, independent unconditional: 230, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 160, unknown conditional: 0, unknown unconditional: 160] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.1s, 50 PlacesBefore, 26 PlacesAfterwards, 43 TransitionsBefore, 19 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 30 TotalNumberOfCompositions, 1540 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 734, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 293, independent: 272, independent conditional: 0, independent unconditional: 272, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 734, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 293, unknown conditional: 0, unknown unconditional: 293] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.2s, 60 PlacesBefore, 33 PlacesAfterwards, 51 TransitionsBefore, 24 TransitionsAfterwards, 1064 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 34 TotalNumberOfCompositions, 2941 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1332, independent: 1227, independent conditional: 0, independent unconditional: 1227, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 489, independent: 466, independent conditional: 0, independent unconditional: 466, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1332, independent: 761, independent conditional: 0, independent unconditional: 761, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 489, unknown conditional: 0, unknown unconditional: 489] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 70 PlacesBefore, 40 PlacesAfterwards, 59 TransitionsBefore, 29 TransitionsAfterwards, 1610 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 38 TotalNumberOfCompositions, 4266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1830, independent: 1714, independent conditional: 0, independent unconditional: 1714, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 722, independent: 693, independent conditional: 0, independent unconditional: 693, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1830, independent: 1021, independent conditional: 0, independent unconditional: 1021, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 722, unknown conditional: 0, unknown unconditional: 722] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.5s, 80 PlacesBefore, 47 PlacesAfterwards, 67 TransitionsBefore, 34 TransitionsAfterwards, 2268 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 42 TotalNumberOfCompositions, 6754 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2689, independent: 2528, independent conditional: 0, independent unconditional: 2528, dependent: 161, dependent conditional: 0, dependent unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 981, independent: 947, independent conditional: 0, independent unconditional: 947, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2689, independent: 1581, independent conditional: 0, independent unconditional: 1581, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 981, unknown conditional: 0, unknown unconditional: 981] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.6s, 90 PlacesBefore, 54 PlacesAfterwards, 75 TransitionsBefore, 39 TransitionsAfterwards, 3038 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 46 TotalNumberOfCompositions, 8361 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3355, independent: 3192, independent conditional: 0, independent unconditional: 3192, dependent: 163, dependent conditional: 0, dependent unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1286, independent: 1245, independent conditional: 0, independent unconditional: 1245, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3355, independent: 1947, independent conditional: 0, independent unconditional: 1947, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 1286, unknown conditional: 0, unknown unconditional: 1286] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.6s, 100 PlacesBefore, 61 PlacesAfterwards, 83 TransitionsBefore, 44 TransitionsAfterwards, 3920 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 50 TotalNumberOfCompositions, 12336 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4827, independent: 4607, independent conditional: 0, independent unconditional: 4607, dependent: 220, dependent conditional: 0, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1672, independent: 1617, independent conditional: 0, independent unconditional: 1617, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4827, independent: 2990, independent conditional: 0, independent unconditional: 2990, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 1672, unknown conditional: 0, unknown unconditional: 1672] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 213, Positive conditional cache size: 0, Positive unconditional cache size: 213, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.7s, 110 PlacesBefore, 68 PlacesAfterwards, 91 TransitionsBefore, 49 TransitionsAfterwards, 4914 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, 14080 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5442, independent: 5229, independent conditional: 0, independent unconditional: 5229, dependent: 213, dependent conditional: 0, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2056, independent: 1989, independent conditional: 0, independent unconditional: 1989, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5442, independent: 3240, independent conditional: 0, independent unconditional: 3240, dependent: 146, dependent conditional: 0, dependent unconditional: 146, unknown: 2056, unknown conditional: 0, unknown unconditional: 2056] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 285, Positive conditional cache size: 0, Positive unconditional cache size: 285, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.7s, 120 PlacesBefore, 75 PlacesAfterwards, 99 TransitionsBefore, 54 TransitionsAfterwards, 6020 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 58 TotalNumberOfCompositions, 17442 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6471, independent: 6233, independent conditional: 0, independent unconditional: 6233, dependent: 238, dependent conditional: 0, dependent unconditional: 238, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2433, independent: 2373, independent conditional: 0, independent unconditional: 2373, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6471, independent: 3860, independent conditional: 0, independent unconditional: 3860, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 2433, unknown conditional: 0, unknown unconditional: 2433] , Statistics on independence cache: Total cache size (in pairs): 334, Positive cache size: 305, Positive conditional cache size: 0, Positive unconditional cache size: 305, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 130 PlacesBefore, 82 PlacesAfterwards, 107 TransitionsBefore, 59 TransitionsAfterwards, 7238 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 20955 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7096, independent: 6836, independent conditional: 0, independent unconditional: 6836, dependent: 260, dependent conditional: 0, dependent unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2807, independent: 2737, independent conditional: 0, independent unconditional: 2737, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7096, independent: 4099, independent conditional: 0, independent unconditional: 4099, dependent: 190, dependent conditional: 0, dependent unconditional: 190, unknown: 2807, unknown conditional: 0, unknown unconditional: 2807] , Statistics on independence cache: Total cache size (in pairs): 305, Positive cache size: 274, Positive conditional cache size: 0, Positive unconditional cache size: 274, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 140 PlacesBefore, 89 PlacesAfterwards, 115 TransitionsBefore, 64 TransitionsAfterwards, 8568 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 66 TotalNumberOfCompositions, 24325 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8899, independent: 8623, independent conditional: 0, independent unconditional: 8623, dependent: 276, dependent conditional: 0, dependent unconditional: 276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3344, independent: 3272, independent conditional: 0, independent unconditional: 3272, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8899, independent: 5351, independent conditional: 0, independent unconditional: 5351, dependent: 204, dependent conditional: 0, dependent unconditional: 204, unknown: 3344, unknown conditional: 0, unknown unconditional: 3344] , Statistics on independence cache: Total cache size (in pairs): 397, Positive cache size: 361, Positive conditional cache size: 0, Positive unconditional cache size: 361, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 150 PlacesBefore, 96 PlacesAfterwards, 123 TransitionsBefore, 69 TransitionsAfterwards, 10010 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 70 TotalNumberOfCompositions, 32485 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10917, independent: 10561, independent conditional: 0, independent unconditional: 10561, dependent: 356, dependent conditional: 0, dependent unconditional: 356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3998, independent: 3904, independent conditional: 0, independent unconditional: 3904, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10917, independent: 6657, independent conditional: 0, independent unconditional: 6657, dependent: 262, dependent conditional: 0, dependent unconditional: 262, unknown: 3998, unknown conditional: 0, unknown unconditional: 3998] , Statistics on independence cache: Total cache size (in pairs): 523, Positive cache size: 471, Positive conditional cache size: 0, Positive unconditional cache size: 471, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 160 PlacesBefore, 103 PlacesAfterwards, 131 TransitionsBefore, 74 TransitionsAfterwards, 11564 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 74 TotalNumberOfCompositions, 34446 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12606, independent: 12270, independent conditional: 0, independent unconditional: 12270, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4586, independent: 4499, independent conditional: 0, independent unconditional: 4499, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12606, independent: 7771, independent conditional: 0, independent unconditional: 7771, dependent: 249, dependent conditional: 0, dependent unconditional: 249, unknown: 4586, unknown conditional: 0, unknown unconditional: 4586] , Statistics on independence cache: Total cache size (in pairs): 611, Positive cache size: 570, Positive conditional cache size: 0, Positive unconditional cache size: 570, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 170 PlacesBefore, 110 PlacesAfterwards, 139 TransitionsBefore, 79 TransitionsAfterwards, 13230 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 78 TotalNumberOfCompositions, 38235 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14390, independent: 14044, independent conditional: 0, independent unconditional: 14044, dependent: 346, dependent conditional: 0, dependent unconditional: 346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5248, independent: 5158, independent conditional: 0, independent unconditional: 5158, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14390, independent: 8886, independent conditional: 0, independent unconditional: 8886, dependent: 256, dependent conditional: 0, dependent unconditional: 256, unknown: 5248, unknown conditional: 0, unknown unconditional: 5248] , Statistics on independence cache: Total cache size (in pairs): 698, Positive cache size: 654, Positive conditional cache size: 0, Positive unconditional cache size: 654, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 180 PlacesBefore, 117 PlacesAfterwards, 147 TransitionsBefore, 84 TransitionsAfterwards, 15008 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 65 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 82 TotalNumberOfCompositions, 44244 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16590, independent: 16213, independent conditional: 0, independent unconditional: 16213, dependent: 377, dependent conditional: 0, dependent unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5972, independent: 5872, independent conditional: 0, independent unconditional: 5872, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16590, independent: 10341, independent conditional: 0, independent unconditional: 10341, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 5972, unknown conditional: 0, unknown unconditional: 5972] , Statistics on independence cache: Total cache size (in pairs): 881, Positive cache size: 834, Positive conditional cache size: 0, Positive unconditional cache size: 834, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 190 PlacesBefore, 124 PlacesAfterwards, 155 TransitionsBefore, 89 TransitionsAfterwards, 16898 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 86 TotalNumberOfCompositions, 49325 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18059, independent: 17665, independent conditional: 0, independent unconditional: 17665, dependent: 394, dependent conditional: 0, dependent unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6720, independent: 6615, independent conditional: 0, independent unconditional: 6615, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18059, independent: 11050, independent conditional: 0, independent unconditional: 11050, dependent: 289, dependent conditional: 0, dependent unconditional: 289, unknown: 6720, unknown conditional: 0, unknown unconditional: 6720] , Statistics on independence cache: Total cache size (in pairs): 935, Positive cache size: 885, Positive conditional cache size: 0, Positive unconditional cache size: 885, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 200 PlacesBefore, 131 PlacesAfterwards, 163 TransitionsBefore, 94 TransitionsAfterwards, 18900 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 90 TotalNumberOfCompositions, 55210 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20331, independent: 19913, independent conditional: 0, independent unconditional: 19913, dependent: 418, dependent conditional: 0, dependent unconditional: 418, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7450, independent: 7345, independent conditional: 0, independent unconditional: 7345, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20331, independent: 12568, independent conditional: 0, independent unconditional: 12568, dependent: 313, dependent conditional: 0, dependent unconditional: 313, unknown: 7450, unknown conditional: 0, unknown unconditional: 7450] , Statistics on independence cache: Total cache size (in pairs): 1059, Positive cache size: 1006, Positive conditional cache size: 0, Positive unconditional cache size: 1006, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 210 PlacesBefore, 138 PlacesAfterwards, 171 TransitionsBefore, 99 TransitionsAfterwards, 21014 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 94 TotalNumberOfCompositions, 68805 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23877, independent: 23360, independent conditional: 0, independent unconditional: 23360, dependent: 517, dependent conditional: 0, dependent unconditional: 517, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8160, independent: 8046, independent conditional: 0, independent unconditional: 8046, dependent: 114, dependent conditional: 0, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 23877, independent: 15314, independent conditional: 0, independent unconditional: 15314, dependent: 403, dependent conditional: 0, dependent unconditional: 403, unknown: 8160, unknown conditional: 0, unknown unconditional: 8160] , Statistics on independence cache: Total cache size (in pairs): 1181, Positive cache size: 1125, Positive conditional cache size: 0, Positive unconditional cache size: 1125, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 220 PlacesBefore, 145 PlacesAfterwards, 179 TransitionsBefore, 104 TransitionsAfterwards, 23240 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 98 TotalNumberOfCompositions, 77200 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27836, independent: 27285, independent conditional: 0, independent unconditional: 27285, dependent: 551, dependent conditional: 0, dependent unconditional: 551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9227, independent: 9084, independent conditional: 0, independent unconditional: 9084, dependent: 143, dependent conditional: 0, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27836, independent: 18201, independent conditional: 0, independent unconditional: 18201, dependent: 408, dependent conditional: 0, dependent unconditional: 408, unknown: 9227, unknown conditional: 0, unknown unconditional: 9227] , Statistics on independence cache: Total cache size (in pairs): 1323, Positive cache size: 1245, Positive conditional cache size: 0, Positive unconditional cache size: 1245, Negative cache size: 78, Negative conditional cache size: 0, Negative unconditional cache size: 78, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 230 PlacesBefore, 152 PlacesAfterwards, 187 TransitionsBefore, 109 TransitionsAfterwards, 25578 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 85 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 102 TotalNumberOfCompositions, 77620 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25713, independent: 25210, independent conditional: 0, independent unconditional: 25210, dependent: 503, dependent conditional: 0, dependent unconditional: 503, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9890, independent: 9755, independent conditional: 0, independent unconditional: 9755, dependent: 135, dependent conditional: 0, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25713, independent: 15455, independent conditional: 0, independent unconditional: 15455, dependent: 368, dependent conditional: 0, dependent unconditional: 368, unknown: 9890, unknown conditional: 0, unknown unconditional: 9890] , Statistics on independence cache: Total cache size (in pairs): 1070, Positive cache size: 1008, Positive conditional cache size: 0, Positive unconditional cache size: 1008, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 240 PlacesBefore, 159 PlacesAfterwards, 195 TransitionsBefore, 114 TransitionsAfterwards, 28028 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 89 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 106 TotalNumberOfCompositions, 84111 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29094, independent: 28573, independent conditional: 0, independent unconditional: 28573, dependent: 521, dependent conditional: 0, dependent unconditional: 521, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10897, independent: 10759, independent conditional: 0, independent unconditional: 10759, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29094, independent: 17814, independent conditional: 0, independent unconditional: 17814, dependent: 383, dependent conditional: 0, dependent unconditional: 383, unknown: 10897, unknown conditional: 0, unknown unconditional: 10897] , Statistics on independence cache: Total cache size (in pairs): 1167, Positive cache size: 1101, Positive conditional cache size: 0, Positive unconditional cache size: 1101, Negative cache size: 66, Negative conditional cache size: 0, Negative unconditional cache size: 66, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.1s, 250 PlacesBefore, 166 PlacesAfterwards, 203 TransitionsBefore, 119 TransitionsAfterwards, 30590 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 93 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 110 TotalNumberOfCompositions, 91432 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32210, independent: 31669, independent conditional: 0, independent unconditional: 31669, dependent: 541, dependent conditional: 0, dependent unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12089, independent: 11948, independent conditional: 0, independent unconditional: 11948, dependent: 141, dependent conditional: 0, dependent unconditional: 141, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 32210, independent: 19721, independent conditional: 0, independent unconditional: 19721, dependent: 400, dependent conditional: 0, dependent unconditional: 400, unknown: 12089, unknown conditional: 0, unknown unconditional: 12089] , Statistics on independence cache: Total cache size (in pairs): 1502, Positive cache size: 1434, Positive conditional cache size: 0, Positive unconditional cache size: 1434, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 260 PlacesBefore, 173 PlacesAfterwards, 211 TransitionsBefore, 124 TransitionsAfterwards, 33264 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 97 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 114 TotalNumberOfCompositions, 111260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33784, independent: 33124, independent conditional: 0, independent unconditional: 33124, dependent: 660, dependent conditional: 0, dependent unconditional: 660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12732, independent: 12583, independent conditional: 0, independent unconditional: 12583, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33784, independent: 20541, independent conditional: 0, independent unconditional: 20541, dependent: 511, dependent conditional: 0, dependent unconditional: 511, unknown: 12732, unknown conditional: 0, unknown unconditional: 12732] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1246, Positive conditional cache size: 0, Positive unconditional cache size: 1246, Negative cache size: 70, Negative conditional cache size: 0, Negative unconditional cache size: 70, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 270 PlacesBefore, 180 PlacesAfterwards, 219 TransitionsBefore, 129 TransitionsAfterwards, 36050 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 101 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 118 TotalNumberOfCompositions, 119535 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47976, independent: 47294, independent conditional: 0, independent unconditional: 47294, dependent: 682, dependent conditional: 0, dependent unconditional: 682, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 14897, independent: 14714, independent conditional: 0, independent unconditional: 14714, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 47976, independent: 32580, independent conditional: 0, independent unconditional: 32580, dependent: 499, dependent conditional: 0, dependent unconditional: 499, unknown: 14897, unknown conditional: 0, unknown unconditional: 14897] , Statistics on independence cache: Total cache size (in pairs): 2322, Positive cache size: 2247, Positive conditional cache size: 0, Positive unconditional cache size: 2247, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 280 PlacesBefore, 187 PlacesAfterwards, 227 TransitionsBefore, 134 TransitionsAfterwards, 38948 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 105 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 122 TotalNumberOfCompositions, 115012 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41225, independent: 40626, independent conditional: 0, independent unconditional: 40626, dependent: 599, dependent conditional: 0, dependent unconditional: 599, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15435, independent: 15270, independent conditional: 0, independent unconditional: 15270, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 41225, independent: 25356, independent conditional: 0, independent unconditional: 25356, dependent: 434, dependent conditional: 0, dependent unconditional: 434, unknown: 15435, unknown conditional: 0, unknown unconditional: 15435] , Statistics on independence cache: Total cache size (in pairs): 1911, Positive cache size: 1834, Positive conditional cache size: 0, Positive unconditional cache size: 1834, Negative cache size: 77, Negative conditional cache size: 0, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 290 PlacesBefore, 194 PlacesAfterwards, 235 TransitionsBefore, 139 TransitionsAfterwards, 41958 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 109 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 126 TotalNumberOfCompositions, 141703 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43204, independent: 42458, independent conditional: 0, independent unconditional: 42458, dependent: 746, dependent conditional: 0, dependent unconditional: 746, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 16210, independent: 16032, independent conditional: 0, independent unconditional: 16032, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 43204, independent: 26426, independent conditional: 0, independent unconditional: 26426, dependent: 568, dependent conditional: 0, dependent unconditional: 568, unknown: 16210, unknown conditional: 0, unknown unconditional: 16210] , Statistics on independence cache: Total cache size (in pairs): 1721, Positive cache size: 1641, Positive conditional cache size: 0, Positive unconditional cache size: 1641, Negative cache size: 80, Negative conditional cache size: 0, Negative unconditional cache size: 80, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 300 PlacesBefore, 201 PlacesAfterwards, 243 TransitionsBefore, 144 TransitionsAfterwards, 45080 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 113 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 130 TotalNumberOfCompositions, 135467 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 46316, independent: 45657, independent conditional: 0, independent unconditional: 45657, dependent: 659, dependent conditional: 0, dependent unconditional: 659, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 17450, independent: 17273, independent conditional: 0, independent unconditional: 17273, dependent: 177, dependent conditional: 0, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46316, independent: 28384, independent conditional: 0, independent unconditional: 28384, dependent: 482, dependent conditional: 0, dependent unconditional: 482, unknown: 17450, unknown conditional: 0, unknown unconditional: 17450] , Statistics on independence cache: Total cache size (in pairs): 2005, Positive cache size: 1922, Positive conditional cache size: 0, Positive unconditional cache size: 1922, Negative cache size: 83, Negative conditional cache size: 0, Negative unconditional cache size: 83, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8s, 310 PlacesBefore, 208 PlacesAfterwards, 251 TransitionsBefore, 149 TransitionsAfterwards, 48314 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 117 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 134 TotalNumberOfCompositions, 161551 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 56457, independent: 55664, independent conditional: 0, independent unconditional: 55664, dependent: 793, dependent conditional: 0, dependent unconditional: 793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 19668, independent: 19453, independent conditional: 0, independent unconditional: 19453, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 56457, independent: 36211, independent conditional: 0, independent unconditional: 36211, dependent: 578, dependent conditional: 0, dependent unconditional: 578, unknown: 19668, unknown conditional: 0, unknown unconditional: 19668] , Statistics on independence cache: Total cache size (in pairs): 3016, Positive cache size: 2929, Positive conditional cache size: 0, Positive unconditional cache size: 2929, Negative cache size: 87, Negative conditional cache size: 0, Negative unconditional cache size: 87, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8s, 320 PlacesBefore, 215 PlacesAfterwards, 259 TransitionsBefore, 154 TransitionsAfterwards, 51660 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 121 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 138 TotalNumberOfCompositions, 169816 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 55725, independent: 54917, independent conditional: 0, independent unconditional: 54917, dependent: 808, dependent conditional: 0, dependent unconditional: 808, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 20192, independent: 19985, independent conditional: 0, independent unconditional: 19985, dependent: 207, dependent conditional: 0, dependent unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55725, independent: 34932, independent conditional: 0, independent unconditional: 34932, dependent: 601, dependent conditional: 0, dependent unconditional: 601, unknown: 20192, unknown conditional: 0, unknown unconditional: 20192] , Statistics on independence cache: Total cache size (in pairs): 2368, Positive cache size: 2250, Positive conditional cache size: 0, Positive unconditional cache size: 2250, Negative cache size: 118, Negative conditional cache size: 0, Negative unconditional cache size: 118, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.0s, 330 PlacesBefore, 222 PlacesAfterwards, 267 TransitionsBefore, 159 TransitionsAfterwards, 55118 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 142 TotalNumberOfCompositions, 169117 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 59669, independent: 58926, independent conditional: 0, independent unconditional: 58926, dependent: 743, dependent conditional: 0, dependent unconditional: 743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 21823, independent: 21623, independent conditional: 0, independent unconditional: 21623, dependent: 200, dependent conditional: 0, dependent unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 59669, independent: 37303, independent conditional: 0, independent unconditional: 37303, dependent: 543, dependent conditional: 0, dependent unconditional: 543, unknown: 21823, unknown conditional: 0, unknown unconditional: 21823] , Statistics on independence cache: Total cache size (in pairs): 2925, Positive cache size: 2833, Positive conditional cache size: 0, Positive unconditional cache size: 2833, Negative cache size: 92, Negative conditional cache size: 0, Negative unconditional cache size: 92, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 340 PlacesBefore, 229 PlacesAfterwards, 275 TransitionsBefore, 164 TransitionsAfterwards, 58688 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 129 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 146 TotalNumberOfCompositions, 198018 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 65746, independent: 64865, independent conditional: 0, independent unconditional: 64865, dependent: 881, dependent conditional: 0, dependent unconditional: 881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 23164, independent: 22960, independent conditional: 0, independent unconditional: 22960, dependent: 204, dependent conditional: 0, dependent unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 65746, independent: 41905, independent conditional: 0, independent unconditional: 41905, dependent: 677, dependent conditional: 0, dependent unconditional: 677, unknown: 23164, unknown conditional: 0, unknown unconditional: 23164] , Statistics on independence cache: Total cache size (in pairs): 3025, Positive cache size: 2930, Positive conditional cache size: 0, Positive unconditional cache size: 2930, Negative cache size: 95, Negative conditional cache size: 0, Negative unconditional cache size: 95, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 350 PlacesBefore, 236 PlacesAfterwards, 283 TransitionsBefore, 169 TransitionsAfterwards, 62370 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 133 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 150 TotalNumberOfCompositions, 189634 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 64715, independent: 63936, independent conditional: 0, independent unconditional: 63936, dependent: 779, dependent conditional: 0, dependent unconditional: 779, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24245, independent: 24030, independent conditional: 0, independent unconditional: 24030, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64715, independent: 39906, independent conditional: 0, independent unconditional: 39906, dependent: 564, dependent conditional: 0, dependent unconditional: 564, unknown: 24245, unknown conditional: 0, unknown unconditional: 24245] , Statistics on independence cache: Total cache size (in pairs): 2887, Positive cache size: 2789, Positive conditional cache size: 0, Positive unconditional cache size: 2789, Negative cache size: 98, Negative conditional cache size: 0, Negative unconditional cache size: 98, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 360 PlacesBefore, 243 PlacesAfterwards, 291 TransitionsBefore, 174 TransitionsAfterwards, 66164 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 137 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 154 TotalNumberOfCompositions, 199410 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 67410, independent: 66613, independent conditional: 0, independent unconditional: 66613, dependent: 797, dependent conditional: 0, dependent unconditional: 797, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 25316, independent: 25150, independent conditional: 0, independent unconditional: 25150, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 67410, independent: 41463, independent conditional: 0, independent unconditional: 41463, dependent: 631, dependent conditional: 0, dependent unconditional: 631, unknown: 25316, unknown conditional: 0, unknown unconditional: 25316] , Statistics on independence cache: Total cache size (in pairs): 2779, Positive cache size: 2678, Positive conditional cache size: 0, Positive unconditional cache size: 2678, Negative cache size: 101, Negative conditional cache size: 0, Negative unconditional cache size: 101, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4s, 370 PlacesBefore, 250 PlacesAfterwards, 299 TransitionsBefore, 179 TransitionsAfterwards, 70070 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 141 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 158 TotalNumberOfCompositions, 212851 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72174, independent: 71347, independent conditional: 0, independent unconditional: 71347, dependent: 827, dependent conditional: 0, dependent unconditional: 827, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 26513, independent: 26290, independent conditional: 0, independent unconditional: 26290, dependent: 223, dependent conditional: 0, dependent unconditional: 223, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 72174, independent: 45057, independent conditional: 0, independent unconditional: 45057, dependent: 604, dependent conditional: 0, dependent unconditional: 604, unknown: 26513, unknown conditional: 0, unknown unconditional: 26513] , Statistics on independence cache: Total cache size (in pairs): 2765, Positive cache size: 2660, Positive conditional cache size: 0, Positive unconditional cache size: 2660, Negative cache size: 105, Negative conditional cache size: 0, Negative unconditional cache size: 105, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 380 PlacesBefore, 257 PlacesAfterwards, 307 TransitionsBefore, 184 TransitionsAfterwards, 74088 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 145 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 162 TotalNumberOfCompositions, 230175 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 86146, independent: 85275, independent conditional: 0, independent unconditional: 85275, dependent: 871, dependent conditional: 0, dependent unconditional: 871, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 29877, independent: 29611, independent conditional: 0, independent unconditional: 29611, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86146, independent: 55664, independent conditional: 0, independent unconditional: 55664, dependent: 605, dependent conditional: 0, dependent unconditional: 605, unknown: 29877, unknown conditional: 0, unknown unconditional: 29877] , Statistics on independence cache: Total cache size (in pairs): 4475, Positive cache size: 4367, Positive conditional cache size: 0, Positive unconditional cache size: 4367, Negative cache size: 108, Negative conditional cache size: 0, Negative unconditional cache size: 108, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 390 PlacesBefore, 264 PlacesAfterwards, 315 TransitionsBefore, 189 TransitionsAfterwards, 78218 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 149 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 166 TotalNumberOfCompositions, 235367 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 86659, independent: 85796, independent conditional: 0, independent unconditional: 85796, dependent: 863, dependent conditional: 0, dependent unconditional: 863, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 31857, independent: 31587, independent conditional: 0, independent unconditional: 31587, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 86659, independent: 54209, independent conditional: 0, independent unconditional: 54209, dependent: 593, dependent conditional: 0, dependent unconditional: 593, unknown: 31857, unknown conditional: 0, unknown unconditional: 31857] , Statistics on independence cache: Total cache size (in pairs): 4942, Positive cache size: 4831, Positive conditional cache size: 0, Positive unconditional cache size: 4831, Negative cache size: 111, Negative conditional cache size: 0, Negative unconditional cache size: 111, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 400 PlacesBefore, 271 PlacesAfterwards, 323 TransitionsBefore, 194 TransitionsAfterwards, 82460 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 153 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 170 TotalNumberOfCompositions, 251352 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 82822, independent: 81922, independent conditional: 0, independent unconditional: 81922, dependent: 900, dependent conditional: 0, dependent unconditional: 900, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 31645, independent: 31398, independent conditional: 0, independent unconditional: 31398, dependent: 247, dependent conditional: 0, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 82822, independent: 50524, independent conditional: 0, independent unconditional: 50524, dependent: 653, dependent conditional: 0, dependent unconditional: 653, unknown: 31645, unknown conditional: 0, unknown unconditional: 31645] , Statistics on independence cache: Total cache size (in pairs): 3619, Positive cache size: 3506, Positive conditional cache size: 0, Positive unconditional cache size: 3506, Negative cache size: 113, Negative conditional cache size: 0, Negative unconditional cache size: 113, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.7s, 410 PlacesBefore, 278 PlacesAfterwards, 331 TransitionsBefore, 199 TransitionsAfterwards, 86814 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 157 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 174 TotalNumberOfCompositions, 260552 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 95873, independent: 94965, independent conditional: 0, independent unconditional: 94965, dependent: 908, dependent conditional: 0, dependent unconditional: 908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 35164, independent: 34880, independent conditional: 0, independent unconditional: 34880, dependent: 284, dependent conditional: 0, dependent unconditional: 284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 95873, independent: 60085, independent conditional: 0, independent unconditional: 60085, dependent: 624, dependent conditional: 0, dependent unconditional: 624, unknown: 35164, unknown conditional: 0, unknown unconditional: 35164] , Statistics on independence cache: Total cache size (in pairs): 5369, Positive cache size: 5252, Positive conditional cache size: 0, Positive unconditional cache size: 5252, Negative cache size: 117, Negative conditional cache size: 0, Negative unconditional cache size: 117, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.9s, 420 PlacesBefore, 285 PlacesAfterwards, 339 TransitionsBefore, 204 TransitionsAfterwards, 91280 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 161 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 178 TotalNumberOfCompositions, 278803 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90085, independent: 89137, independent conditional: 0, independent unconditional: 89137, dependent: 948, dependent conditional: 0, dependent unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 35021, independent: 34764, independent conditional: 0, independent unconditional: 34764, dependent: 257, dependent conditional: 0, dependent unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 90085, independent: 54373, independent conditional: 0, independent unconditional: 54373, dependent: 691, dependent conditional: 0, dependent unconditional: 691, unknown: 35021, unknown conditional: 0, unknown unconditional: 35021] , Statistics on independence cache: Total cache size (in pairs): 3623, Positive cache size: 3504, Positive conditional cache size: 0, Positive unconditional cache size: 3504, Negative cache size: 119, Negative conditional cache size: 0, Negative unconditional cache size: 119, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 430 PlacesBefore, 292 PlacesAfterwards, 347 TransitionsBefore, 209 TransitionsAfterwards, 95858 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 165 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 182 TotalNumberOfCompositions, 284008 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 122602, independent: 121662, independent conditional: 0, independent unconditional: 121662, dependent: 940, dependent conditional: 0, dependent unconditional: 940, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 39057, independent: 38765, independent conditional: 0, independent unconditional: 38765, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 122602, independent: 82897, independent conditional: 0, independent unconditional: 82897, dependent: 648, dependent conditional: 0, dependent unconditional: 648, unknown: 39057, unknown conditional: 0, unknown unconditional: 39057] , Statistics on independence cache: Total cache size (in pairs): 6082, Positive cache size: 5959, Positive conditional cache size: 0, Positive unconditional cache size: 5959, Negative cache size: 123, Negative conditional cache size: 0, Negative unconditional cache size: 123, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.1s, 440 PlacesBefore, 299 PlacesAfterwards, 355 TransitionsBefore, 214 TransitionsAfterwards, 100548 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 169 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 186 TotalNumberOfCompositions, 306453 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 102579, independent: 101588, independent conditional: 0, independent unconditional: 101588, dependent: 991, dependent conditional: 0, dependent unconditional: 991, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 38428, independent: 38158, independent conditional: 0, independent unconditional: 38158, dependent: 270, dependent conditional: 0, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 102579, independent: 63430, independent conditional: 0, independent unconditional: 63430, dependent: 721, dependent conditional: 0, dependent unconditional: 721, unknown: 38428, unknown conditional: 0, unknown unconditional: 38428] , Statistics on independence cache: Total cache size (in pairs): 4130, Positive cache size: 4005, Positive conditional cache size: 0, Positive unconditional cache size: 4005, Negative cache size: 125, Negative conditional cache size: 0, Negative unconditional cache size: 125, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2s, 450 PlacesBefore, 306 PlacesAfterwards, 363 TransitionsBefore, 219 TransitionsAfterwards, 105350 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 173 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 190 TotalNumberOfCompositions, 318173 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 107493, independent: 106488, independent conditional: 0, independent unconditional: 106488, dependent: 1005, dependent conditional: 0, dependent unconditional: 1005, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 40356, independent: 40082, independent conditional: 0, independent unconditional: 40082, dependent: 274, dependent conditional: 0, dependent unconditional: 274, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 107493, independent: 66406, independent conditional: 0, independent unconditional: 66406, dependent: 731, dependent conditional: 0, dependent unconditional: 731, unknown: 40356, unknown conditional: 0, unknown unconditional: 40356] , Statistics on independence cache: Total cache size (in pairs): 4379, Positive cache size: 4251, Positive conditional cache size: 0, Positive unconditional cache size: 4251, Negative cache size: 128, Negative conditional cache size: 0, Negative unconditional cache size: 128, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.5s, 460 PlacesBefore, 313 PlacesAfterwards, 371 TransitionsBefore, 224 TransitionsAfterwards, 110264 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 177 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 194 TotalNumberOfCompositions, 332166 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 114984, independent: 113956, independent conditional: 0, independent unconditional: 113956, dependent: 1028, dependent conditional: 0, dependent unconditional: 1028, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42944, independent: 42667, independent conditional: 0, independent unconditional: 42667, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 114984, independent: 71289, independent conditional: 0, independent unconditional: 71289, dependent: 751, dependent conditional: 0, dependent unconditional: 751, unknown: 42944, unknown conditional: 0, unknown unconditional: 42944] , Statistics on independence cache: Total cache size (in pairs): 5192, Positive cache size: 5061, Positive conditional cache size: 0, Positive unconditional cache size: 5061, Negative cache size: 131, Negative conditional cache size: 0, Negative unconditional cache size: 131, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 470 PlacesBefore, 320 PlacesAfterwards, 379 TransitionsBefore, 229 TransitionsAfterwards, 115290 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 181 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 198 TotalNumberOfCompositions, 353661 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 121026, independent: 119958, independent conditional: 0, independent unconditional: 119958, dependent: 1068, dependent conditional: 0, dependent unconditional: 1068, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 43693, independent: 43465, independent conditional: 0, independent unconditional: 43465, dependent: 228, dependent conditional: 0, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 121026, independent: 76493, independent conditional: 0, independent unconditional: 76493, dependent: 840, dependent conditional: 0, dependent unconditional: 840, unknown: 43693, unknown conditional: 0, unknown unconditional: 43693] , Statistics on independence cache: Total cache size (in pairs): 5639, Positive cache size: 5505, Positive conditional cache size: 0, Positive unconditional cache size: 5505, Negative cache size: 134, Negative conditional cache size: 0, Negative unconditional cache size: 134, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.6s, 480 PlacesBefore, 327 PlacesAfterwards, 387 TransitionsBefore, 234 TransitionsAfterwards, 120428 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 185 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 202 TotalNumberOfCompositions, 362829 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 125866, independent: 124792, independent conditional: 0, independent unconditional: 124792, dependent: 1074, dependent conditional: 0, dependent unconditional: 1074, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 45741, independent: 45412, independent conditional: 0, independent unconditional: 45412, dependent: 329, dependent conditional: 0, dependent unconditional: 329, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 125866, independent: 79380, independent conditional: 0, independent unconditional: 79380, dependent: 745, dependent conditional: 0, dependent unconditional: 745, unknown: 45741, unknown conditional: 0, unknown unconditional: 45741] , Statistics on independence cache: Total cache size (in pairs): 5682, Positive cache size: 5500, Positive conditional cache size: 0, Positive unconditional cache size: 5500, Negative cache size: 182, Negative conditional cache size: 0, Negative unconditional cache size: 182, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.7s, 490 PlacesBefore, 334 PlacesAfterwards, 395 TransitionsBefore, 239 TransitionsAfterwards, 125678 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 189 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 206 TotalNumberOfCompositions, 379101 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 123659, independent: 122569, independent conditional: 0, independent unconditional: 122569, dependent: 1090, dependent conditional: 0, dependent unconditional: 1090, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 46842, independent: 46542, independent conditional: 0, independent unconditional: 46542, dependent: 300, dependent conditional: 0, dependent unconditional: 300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 123659, independent: 76027, independent conditional: 0, independent unconditional: 76027, dependent: 790, dependent conditional: 0, dependent unconditional: 790, unknown: 46842, unknown conditional: 0, unknown unconditional: 46842] , Statistics on independence cache: Total cache size (in pairs): 4836, Positive cache size: 4696, Positive conditional cache size: 0, Positive unconditional cache size: 4696, Negative cache size: 140, Negative conditional cache size: 0, Negative unconditional cache size: 140, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8s, 500 PlacesBefore, 341 PlacesAfterwards, 403 TransitionsBefore, 244 TransitionsAfterwards, 131040 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 193 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 210 TotalNumberOfCompositions, 399922 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 172359, independent: 171229, independent conditional: 0, independent unconditional: 171229, dependent: 1130, dependent conditional: 0, dependent unconditional: 1130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 52988, independent: 52636, independent conditional: 0, independent unconditional: 52636, dependent: 352, dependent conditional: 0, dependent unconditional: 352, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 172359, independent: 118593, independent conditional: 0, independent unconditional: 118593, dependent: 778, dependent conditional: 0, dependent unconditional: 778, unknown: 52988, unknown conditional: 0, unknown unconditional: 52988] , Statistics on independence cache: Total cache size (in pairs): 8483, Positive cache size: 8339, Positive conditional cache size: 0, Positive unconditional cache size: 8339, Negative cache size: 144, Negative conditional cache size: 0, Negative unconditional cache size: 144, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.0s, 510 PlacesBefore, 348 PlacesAfterwards, 411 TransitionsBefore, 249 TransitionsAfterwards, 136514 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 197 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 214 TotalNumberOfCompositions, 417391 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 141933, independent: 140778, independent conditional: 0, independent unconditional: 140778, dependent: 1155, dependent conditional: 0, dependent unconditional: 1155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 51955, independent: 51640, independent conditional: 0, independent unconditional: 51640, dependent: 315, dependent conditional: 0, dependent unconditional: 315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 141933, independent: 89138, independent conditional: 0, independent unconditional: 89138, dependent: 840, dependent conditional: 0, dependent unconditional: 840, unknown: 51955, unknown conditional: 0, unknown unconditional: 51955] , Statistics on independence cache: Total cache size (in pairs): 6159, Positive cache size: 6013, Positive conditional cache size: 0, Positive unconditional cache size: 6013, Negative cache size: 146, Negative conditional cache size: 0, Negative unconditional cache size: 146, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.2s, 520 PlacesBefore, 355 PlacesAfterwards, 419 TransitionsBefore, 254 TransitionsAfterwards, 142100 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 201 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 218 TotalNumberOfCompositions, 430006 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 149702, independent: 148533, independent conditional: 0, independent unconditional: 148533, dependent: 1169, dependent conditional: 0, dependent unconditional: 1169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 54326, independent: 54018, independent conditional: 0, independent unconditional: 54018, dependent: 308, dependent conditional: 0, dependent unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 149702, independent: 94515, independent conditional: 0, independent unconditional: 94515, dependent: 861, dependent conditional: 0, dependent unconditional: 861, unknown: 54326, unknown conditional: 0, unknown unconditional: 54326] , Statistics on independence cache: Total cache size (in pairs): 7014, Positive cache size: 6865, Positive conditional cache size: 0, Positive unconditional cache size: 6865, Negative cache size: 149, Negative conditional cache size: 0, Negative unconditional cache size: 149, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.2s, 530 PlacesBefore, 362 PlacesAfterwards, 427 TransitionsBefore, 259 TransitionsAfterwards, 147798 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 205 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 222 TotalNumberOfCompositions, 450788 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 157404, independent: 156203, independent conditional: 0, independent unconditional: 156203, dependent: 1201, dependent conditional: 0, dependent unconditional: 1201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 57781, independent: 57409, independent conditional: 0, independent unconditional: 57409, dependent: 372, dependent conditional: 0, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 157404, independent: 98794, independent conditional: 0, independent unconditional: 98794, dependent: 829, dependent conditional: 0, dependent unconditional: 829, unknown: 57781, unknown conditional: 0, unknown unconditional: 57781] , Statistics on independence cache: Total cache size (in pairs): 8440, Positive cache size: 8287, Positive conditional cache size: 0, Positive unconditional cache size: 8287, Negative cache size: 153, Negative conditional cache size: 0, Negative unconditional cache size: 153, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.3s, 540 PlacesBefore, 369 PlacesAfterwards, 435 TransitionsBefore, 264 TransitionsAfterwards, 153608 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 209 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 226 TotalNumberOfCompositions, 459623 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 157025, independent: 155823, independent conditional: 0, independent unconditional: 155823, dependent: 1202, dependent conditional: 0, dependent unconditional: 1202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 57688, independent: 57372, independent conditional: 0, independent unconditional: 57372, dependent: 316, dependent conditional: 0, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 157025, independent: 98451, independent conditional: 0, independent unconditional: 98451, dependent: 886, dependent conditional: 0, dependent unconditional: 886, unknown: 57688, unknown conditional: 0, unknown unconditional: 57688] , Statistics on independence cache: Total cache size (in pairs): 6221, Positive cache size: 6066, Positive conditional cache size: 0, Positive unconditional cache size: 6066, Negative cache size: 155, Negative conditional cache size: 0, Negative unconditional cache size: 155, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.4s, 550 PlacesBefore, 376 PlacesAfterwards, 443 TransitionsBefore, 269 TransitionsAfterwards, 159530 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 213 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 230 TotalNumberOfCompositions, 483291 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 166461, independent: 165222, independent conditional: 0, independent unconditional: 165222, dependent: 1239, dependent conditional: 0, dependent unconditional: 1239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 60759, independent: 60473, independent conditional: 0, independent unconditional: 60473, dependent: 286, dependent conditional: 0, dependent unconditional: 286, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 166461, independent: 104749, independent conditional: 0, independent unconditional: 104749, dependent: 953, dependent conditional: 0, dependent unconditional: 953, unknown: 60759, unknown conditional: 0, unknown unconditional: 60759] , Statistics on independence cache: Total cache size (in pairs): 7497, Positive cache size: 7339, Positive conditional cache size: 0, Positive unconditional cache size: 7339, Negative cache size: 158, Negative conditional cache size: 0, Negative unconditional cache size: 158, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.6s, 560 PlacesBefore, 383 PlacesAfterwards, 451 TransitionsBefore, 274 TransitionsAfterwards, 165564 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 217 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 234 TotalNumberOfCompositions, 502503 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 177016, independent: 175751, independent conditional: 0, independent unconditional: 175751, dependent: 1265, dependent conditional: 0, dependent unconditional: 1265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 64588, independent: 64195, independent conditional: 0, independent unconditional: 64195, dependent: 393, dependent conditional: 0, dependent unconditional: 393, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 177016, independent: 111556, independent conditional: 0, independent unconditional: 111556, dependent: 872, dependent conditional: 0, dependent unconditional: 872, unknown: 64588, unknown conditional: 0, unknown unconditional: 64588] , Statistics on independence cache: Total cache size (in pairs): 9550, Positive cache size: 9388, Positive conditional cache size: 0, Positive unconditional cache size: 9388, Negative cache size: 162, Negative conditional cache size: 0, Negative unconditional cache size: 162, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8s, 570 PlacesBefore, 390 PlacesAfterwards, 459 TransitionsBefore, 279 TransitionsAfterwards, 171710 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 221 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 238 TotalNumberOfCompositions, 522602 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 176815, independent: 175528, independent conditional: 0, independent unconditional: 175528, dependent: 1287, dependent conditional: 0, dependent unconditional: 1287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 64430, independent: 64083, independent conditional: 0, independent unconditional: 64083, dependent: 347, dependent conditional: 0, dependent unconditional: 347, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 176815, independent: 111445, independent conditional: 0, independent unconditional: 111445, dependent: 940, dependent conditional: 0, dependent unconditional: 940, unknown: 64430, unknown conditional: 0, unknown unconditional: 64430] , Statistics on independence cache: Total cache size (in pairs): 7143, Positive cache size: 6979, Positive conditional cache size: 0, Positive unconditional cache size: 6979, Negative cache size: 164, Negative conditional cache size: 0, Negative unconditional cache size: 164, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8s, 580 PlacesBefore, 397 PlacesAfterwards, 467 TransitionsBefore, 284 TransitionsAfterwards, 177968 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 225 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 242 TotalNumberOfCompositions, 541817 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 174661, independent: 173347, independent conditional: 0, independent unconditional: 173347, dependent: 1314, dependent conditional: 0, dependent unconditional: 1314, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 65822, independent: 65551, independent conditional: 0, independent unconditional: 65551, dependent: 271, dependent conditional: 0, dependent unconditional: 271, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 174661, independent: 107796, independent conditional: 0, independent unconditional: 107796, dependent: 1043, dependent conditional: 0, dependent unconditional: 1043, unknown: 65822, unknown conditional: 0, unknown unconditional: 65822] , Statistics on independence cache: Total cache size (in pairs): 6878, Positive cache size: 6712, Positive conditional cache size: 0, Positive unconditional cache size: 6712, Negative cache size: 166, Negative conditional cache size: 0, Negative unconditional cache size: 166, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.0s, 590 PlacesBefore, 404 PlacesAfterwards, 475 TransitionsBefore, 289 TransitionsAfterwards, 184338 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 229 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 246 TotalNumberOfCompositions, 558991 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 240153, independent: 238823, independent conditional: 0, independent unconditional: 238823, dependent: 1330, dependent conditional: 0, dependent unconditional: 1330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 73822, independent: 73405, independent conditional: 0, independent unconditional: 73405, dependent: 417, dependent conditional: 0, dependent unconditional: 417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 240153, independent: 165418, independent conditional: 0, independent unconditional: 165418, dependent: 913, dependent conditional: 0, dependent unconditional: 913, unknown: 73822, unknown conditional: 0, unknown unconditional: 73822] , Statistics on independence cache: Total cache size (in pairs): 11681, Positive cache size: 11510, Positive conditional cache size: 0, Positive unconditional cache size: 11510, Negative cache size: 171, Negative conditional cache size: 0, Negative unconditional cache size: 171, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.0s, 600 PlacesBefore, 411 PlacesAfterwards, 483 TransitionsBefore, 294 TransitionsAfterwards, 190820 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 233 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 250 TotalNumberOfCompositions, 582182 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 188737, independent: 187372, independent conditional: 0, independent unconditional: 187372, dependent: 1365, dependent conditional: 0, dependent unconditional: 1365, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 71199, independent: 70778, independent conditional: 0, independent unconditional: 70778, dependent: 421, dependent conditional: 0, dependent unconditional: 421, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 188737, independent: 116594, independent conditional: 0, independent unconditional: 116594, dependent: 944, dependent conditional: 0, dependent unconditional: 944, unknown: 71199, unknown conditional: 0, unknown unconditional: 71199] , Statistics on independence cache: Total cache size (in pairs): 7532, Positive cache size: 7302, Positive conditional cache size: 0, Positive unconditional cache size: 7302, Negative cache size: 230, Negative conditional cache size: 0, Negative unconditional cache size: 230, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.2s, 610 PlacesBefore, 418 PlacesAfterwards, 491 TransitionsBefore, 299 TransitionsAfterwards, 197414 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 237 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 254 TotalNumberOfCompositions, 610113 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 205909, independent: 204503, independent conditional: 0, independent unconditional: 204503, dependent: 1406, dependent conditional: 0, dependent unconditional: 1406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 74243, independent: 73869, independent conditional: 0, independent unconditional: 73869, dependent: 374, dependent conditional: 0, dependent unconditional: 374, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 205909, independent: 130634, independent conditional: 0, independent unconditional: 130634, dependent: 1032, dependent conditional: 0, dependent unconditional: 1032, unknown: 74243, unknown conditional: 0, unknown unconditional: 74243] , Statistics on independence cache: Total cache size (in pairs): 9160, Positive cache size: 8984, Positive conditional cache size: 0, Positive unconditional cache size: 8984, Negative cache size: 176, Negative conditional cache size: 0, Negative unconditional cache size: 176, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.3s, 620 PlacesBefore, 425 PlacesAfterwards, 499 TransitionsBefore, 304 TransitionsAfterwards, 204120 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 241 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 258 TotalNumberOfCompositions, 626112 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 211929, independent: 210512, independent conditional: 0, independent unconditional: 210512, dependent: 1417, dependent conditional: 0, dependent unconditional: 1417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 77412, independent: 77028, independent conditional: 0, independent unconditional: 77028, dependent: 384, dependent conditional: 0, dependent unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 211929, independent: 133484, independent conditional: 0, independent unconditional: 133484, dependent: 1033, dependent conditional: 0, dependent unconditional: 1033, unknown: 77412, unknown conditional: 0, unknown unconditional: 77412] , Statistics on independence cache: Total cache size (in pairs): 9239, Positive cache size: 9060, Positive conditional cache size: 0, Positive unconditional cache size: 9060, Negative cache size: 179, Negative conditional cache size: 0, Negative unconditional cache size: 179, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.5s, 630 PlacesBefore, 432 PlacesAfterwards, 507 TransitionsBefore, 309 TransitionsAfterwards, 210938 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 245 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 262 TotalNumberOfCompositions, 637809 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 250705, independent: 249283, independent conditional: 0, independent unconditional: 249283, dependent: 1422, dependent conditional: 0, dependent unconditional: 1422, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 83934, independent: 83491, independent conditional: 0, independent unconditional: 83491, dependent: 443, dependent conditional: 0, dependent unconditional: 443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 250705, independent: 165792, independent conditional: 0, independent unconditional: 165792, dependent: 979, dependent conditional: 0, dependent unconditional: 979, unknown: 83934, unknown conditional: 0, unknown unconditional: 83934] , Statistics on independence cache: Total cache size (in pairs): 13350, Positive cache size: 13167, Positive conditional cache size: 0, Positive unconditional cache size: 13167, Negative cache size: 183, Negative conditional cache size: 0, Negative unconditional cache size: 183, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.6s, 640 PlacesBefore, 439 PlacesAfterwards, 515 TransitionsBefore, 314 TransitionsAfterwards, 217868 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 249 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 266 TotalNumberOfCompositions, 664372 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 231579, independent: 230125, independent conditional: 0, independent unconditional: 230125, dependent: 1454, dependent conditional: 0, dependent unconditional: 1454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 83025, independent: 82574, independent conditional: 0, independent unconditional: 82574, dependent: 451, dependent conditional: 0, dependent unconditional: 451, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 231579, independent: 147551, independent conditional: 0, independent unconditional: 147551, dependent: 1003, dependent conditional: 0, dependent unconditional: 1003, unknown: 83025, unknown conditional: 0, unknown unconditional: 83025] , Statistics on independence cache: Total cache size (in pairs): 10514, Positive cache size: 10268, Positive conditional cache size: 0, Positive unconditional cache size: 10268, Negative cache size: 246, Negative conditional cache size: 0, Negative unconditional cache size: 246, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7s, 650 PlacesBefore, 446 PlacesAfterwards, 523 TransitionsBefore, 319 TransitionsAfterwards, 224910 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 253 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 270 TotalNumberOfCompositions, 681701 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 242616, independent: 241147, independent conditional: 0, independent unconditional: 241147, dependent: 1469, dependent conditional: 0, dependent unconditional: 1469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 87306, independent: 86916, independent conditional: 0, independent unconditional: 86916, dependent: 390, dependent conditional: 0, dependent unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 242616, independent: 154231, independent conditional: 0, independent unconditional: 154231, dependent: 1079, dependent conditional: 0, dependent unconditional: 1079, unknown: 87306, unknown conditional: 0, unknown unconditional: 87306] , Statistics on independence cache: Total cache size (in pairs): 12009, Positive cache size: 11821, Positive conditional cache size: 0, Positive unconditional cache size: 11821, Negative cache size: 188, Negative conditional cache size: 0, Negative unconditional cache size: 188, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.9s, 660 PlacesBefore, 453 PlacesAfterwards, 531 TransitionsBefore, 324 TransitionsAfterwards, 232064 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 257 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 274 TotalNumberOfCompositions, 716902 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 245433, independent: 243910, independent conditional: 0, independent unconditional: 243910, dependent: 1523, dependent conditional: 0, dependent unconditional: 1523, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 87850, independent: 87439, independent conditional: 0, independent unconditional: 87439, dependent: 411, dependent conditional: 0, dependent unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 245433, independent: 156471, independent conditional: 0, independent unconditional: 156471, dependent: 1112, dependent conditional: 0, dependent unconditional: 1112, unknown: 87850, unknown conditional: 0, unknown unconditional: 87850] , Statistics on independence cache: Total cache size (in pairs): 11324, Positive cache size: 11133, Positive conditional cache size: 0, Positive unconditional cache size: 11133, Negative cache size: 191, Negative conditional cache size: 0, Negative unconditional cache size: 191, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.1s, 670 PlacesBefore, 460 PlacesAfterwards, 539 TransitionsBefore, 329 TransitionsAfterwards, 239330 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 261 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 278 TotalNumberOfCompositions, 733724 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 244291, independent: 242756, independent conditional: 0, independent unconditional: 242756, dependent: 1535, dependent conditional: 0, dependent unconditional: 1535, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 89719, independent: 89312, independent conditional: 0, independent unconditional: 89312, dependent: 407, dependent conditional: 0, dependent unconditional: 407, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 244291, independent: 153444, independent conditional: 0, independent unconditional: 153444, dependent: 1128, dependent conditional: 0, dependent unconditional: 1128, unknown: 89719, unknown conditional: 0, unknown unconditional: 89719] , Statistics on independence cache: Total cache size (in pairs): 9863, Positive cache size: 9669, Positive conditional cache size: 0, Positive unconditional cache size: 9669, Negative cache size: 194, Negative conditional cache size: 0, Negative unconditional cache size: 194, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.1s, 680 PlacesBefore, 467 PlacesAfterwards, 547 TransitionsBefore, 334 TransitionsAfterwards, 246708 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 265 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 282 TotalNumberOfCompositions, 754801 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 272655, independent: 271101, independent conditional: 0, independent unconditional: 271101, dependent: 1554, dependent conditional: 0, dependent unconditional: 1554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 97401, independent: 96920, independent conditional: 0, independent unconditional: 96920, dependent: 481, dependent conditional: 0, dependent unconditional: 481, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 272655, independent: 174181, independent conditional: 0, independent unconditional: 174181, dependent: 1073, dependent conditional: 0, dependent unconditional: 1073, unknown: 97401, unknown conditional: 0, unknown unconditional: 97401] , Statistics on independence cache: Total cache size (in pairs): 15408, Positive cache size: 15211, Positive conditional cache size: 0, Positive unconditional cache size: 15211, Negative cache size: 197, Negative conditional cache size: 0, Negative unconditional cache size: 197, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.2s, 690 PlacesBefore, 474 PlacesAfterwards, 555 TransitionsBefore, 339 TransitionsAfterwards, 254198 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 269 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 286 TotalNumberOfCompositions, 781640 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 253595, independent: 252010, independent conditional: 0, independent unconditional: 252010, dependent: 1585, dependent conditional: 0, dependent unconditional: 1585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 95885, independent: 95390, independent conditional: 0, independent unconditional: 95390, dependent: 495, dependent conditional: 0, dependent unconditional: 495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 253595, independent: 156620, independent conditional: 0, independent unconditional: 156620, dependent: 1090, dependent conditional: 0, dependent unconditional: 1090, unknown: 95885, unknown conditional: 0, unknown unconditional: 95885] , Statistics on independence cache: Total cache size (in pairs): 10965, Positive cache size: 10764, Positive conditional cache size: 0, Positive unconditional cache size: 10764, Negative cache size: 201, Negative conditional cache size: 0, Negative unconditional cache size: 201, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.4s, 700 PlacesBefore, 481 PlacesAfterwards, 563 TransitionsBefore, 344 TransitionsAfterwards, 261800 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 273 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 290 TotalNumberOfCompositions, 794840 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 284645, independent: 283059, independent conditional: 0, independent unconditional: 283059, dependent: 1586, dependent conditional: 0, dependent unconditional: 1586, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 102132, independent: 101706, independent conditional: 0, independent unconditional: 101706, dependent: 426, dependent conditional: 0, dependent unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 284645, independent: 181353, independent conditional: 0, independent unconditional: 181353, dependent: 1160, dependent conditional: 0, dependent unconditional: 1160, unknown: 102132, unknown conditional: 0, unknown unconditional: 102132] , Statistics on independence cache: Total cache size (in pairs): 14410, Positive cache size: 14207, Positive conditional cache size: 0, Positive unconditional cache size: 14207, Negative cache size: 203, Negative conditional cache size: 0, Negative unconditional cache size: 203, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.4s, 710 PlacesBefore, 488 PlacesAfterwards, 571 TransitionsBefore, 349 TransitionsAfterwards, 269514 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 277 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 294 TotalNumberOfCompositions, 815129 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 288416, independent: 286813, independent conditional: 0, independent unconditional: 286813, dependent: 1603, dependent conditional: 0, dependent unconditional: 1603, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 104060, independent: 103630, independent conditional: 0, independent unconditional: 103630, dependent: 430, dependent conditional: 0, dependent unconditional: 430, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 288416, independent: 183183, independent conditional: 0, independent unconditional: 183183, dependent: 1173, dependent conditional: 0, dependent unconditional: 1173, unknown: 104060, unknown conditional: 0, unknown unconditional: 104060] , Statistics on independence cache: Total cache size (in pairs): 14457, Positive cache size: 14251, Positive conditional cache size: 0, Positive unconditional cache size: 14251, Negative cache size: 206, Negative conditional cache size: 0, Negative unconditional cache size: 206, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.6s, 720 PlacesBefore, 495 PlacesAfterwards, 579 TransitionsBefore, 354 TransitionsAfterwards, 277340 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 281 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 298 TotalNumberOfCompositions, 830075 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 291595, independent: 289987, independent conditional: 0, independent unconditional: 289987, dependent: 1608, dependent conditional: 0, dependent unconditional: 1608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 106032, independent: 105600, independent conditional: 0, independent unconditional: 105600, dependent: 432, dependent conditional: 0, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 291595, independent: 184387, independent conditional: 0, independent unconditional: 184387, dependent: 1176, dependent conditional: 0, dependent unconditional: 1176, unknown: 106032, unknown conditional: 0, unknown unconditional: 106032] , Statistics on independence cache: Total cache size (in pairs): 13412, Positive cache size: 13203, Positive conditional cache size: 0, Positive unconditional cache size: 13203, Negative cache size: 209, Negative conditional cache size: 0, Negative unconditional cache size: 209, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.8s, 730 PlacesBefore, 502 PlacesAfterwards, 587 TransitionsBefore, 359 TransitionsAfterwards, 285278 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 285 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 302 TotalNumberOfCompositions, 865056 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 294521, independent: 292864, independent conditional: 0, independent unconditional: 292864, dependent: 1657, dependent conditional: 0, dependent unconditional: 1657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 107588, independent: 107147, independent conditional: 0, independent unconditional: 107147, dependent: 441, dependent conditional: 0, dependent unconditional: 441, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 294521, independent: 185717, independent conditional: 0, independent unconditional: 185717, dependent: 1216, dependent conditional: 0, dependent unconditional: 1216, unknown: 107588, unknown conditional: 0, unknown unconditional: 107588] , Statistics on independence cache: Total cache size (in pairs): 12595, Positive cache size: 12383, Positive conditional cache size: 0, Positive unconditional cache size: 12383, Negative cache size: 212, Negative conditional cache size: 0, Negative unconditional cache size: 212, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.9s, 740 PlacesBefore, 509 PlacesAfterwards, 595 TransitionsBefore, 364 TransitionsAfterwards, 293328 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 289 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 306 TotalNumberOfCompositions, 898965 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 297879, independent: 296180, independent conditional: 0, independent unconditional: 296180, dependent: 1699, dependent conditional: 0, dependent unconditional: 1699, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 108328, independent: 107878, independent conditional: 0, independent unconditional: 107878, dependent: 450, dependent conditional: 0, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 297879, independent: 188302, independent conditional: 0, independent unconditional: 188302, dependent: 1249, dependent conditional: 0, dependent unconditional: 1249, unknown: 108328, unknown conditional: 0, unknown unconditional: 108328] , Statistics on independence cache: Total cache size (in pairs): 11701, Positive cache size: 11486, Positive conditional cache size: 0, Positive unconditional cache size: 11486, Negative cache size: 215, Negative conditional cache size: 0, Negative unconditional cache size: 215, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.2s, 750 PlacesBefore, 516 PlacesAfterwards, 603 TransitionsBefore, 369 TransitionsAfterwards, 301490 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 293 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 310 TotalNumberOfCompositions, 918934 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 346918, independent: 345209, independent conditional: 0, independent unconditional: 345209, dependent: 1709, dependent conditional: 0, dependent unconditional: 1709, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 117329, independent: 116833, independent conditional: 0, independent unconditional: 116833, dependent: 496, dependent conditional: 0, dependent unconditional: 496, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 346918, independent: 228376, independent conditional: 0, independent unconditional: 228376, dependent: 1213, dependent conditional: 0, dependent unconditional: 1213, unknown: 117329, unknown conditional: 0, unknown unconditional: 117329] , Statistics on independence cache: Total cache size (in pairs): 16198, Positive cache size: 15979, Positive conditional cache size: 0, Positive unconditional cache size: 15979, Negative cache size: 219, Negative conditional cache size: 0, Negative unconditional cache size: 219, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.1s, 760 PlacesBefore, 523 PlacesAfterwards, 611 TransitionsBefore, 374 TransitionsAfterwards, 309764 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 297 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 314 TotalNumberOfCompositions, 949853 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 338013, independent: 336267, independent conditional: 0, independent unconditional: 336267, dependent: 1746, dependent conditional: 0, dependent unconditional: 1746, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 121603, independent: 121062, independent conditional: 0, independent unconditional: 121062, dependent: 541, dependent conditional: 0, dependent unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 338013, independent: 215205, independent conditional: 0, independent unconditional: 215205, dependent: 1205, dependent conditional: 0, dependent unconditional: 1205, unknown: 121603, unknown conditional: 0, unknown unconditional: 121603] , Statistics on independence cache: Total cache size (in pairs): 18792, Positive cache size: 18570, Positive conditional cache size: 0, Positive unconditional cache size: 18570, Negative cache size: 222, Negative conditional cache size: 0, Negative unconditional cache size: 222, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.2s, 770 PlacesBefore, 530 PlacesAfterwards, 619 TransitionsBefore, 379 TransitionsAfterwards, 318150 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 301 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 318 TotalNumberOfCompositions, 966883 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 317584, independent: 315833, independent conditional: 0, independent unconditional: 315833, dependent: 1751, dependent conditional: 0, dependent unconditional: 1751, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 119287, independent: 118795, independent conditional: 0, independent unconditional: 118795, dependent: 492, dependent conditional: 0, dependent unconditional: 492, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 317584, independent: 197038, independent conditional: 0, independent unconditional: 197038, dependent: 1259, dependent conditional: 0, dependent unconditional: 1259, unknown: 119287, unknown conditional: 0, unknown unconditional: 119287] , Statistics on independence cache: Total cache size (in pairs): 13675, Positive cache size: 13451, Positive conditional cache size: 0, Positive unconditional cache size: 13451, Negative cache size: 224, Negative conditional cache size: 0, Negative unconditional cache size: 224, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.4s, 780 PlacesBefore, 537 PlacesAfterwards, 627 TransitionsBefore, 384 TransitionsAfterwards, 326648 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 305 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 322 TotalNumberOfCompositions, 987092 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 332721, independent: 330956, independent conditional: 0, independent unconditional: 330956, dependent: 1765, dependent conditional: 0, dependent unconditional: 1765, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 124613, independent: 124065, independent conditional: 0, independent unconditional: 124065, dependent: 548, dependent conditional: 0, dependent unconditional: 548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 332721, independent: 206891, independent conditional: 0, independent unconditional: 206891, dependent: 1217, dependent conditional: 0, dependent unconditional: 1217, unknown: 124613, unknown conditional: 0, unknown unconditional: 124613] , Statistics on independence cache: Total cache size (in pairs): 15816, Positive cache size: 15588, Positive conditional cache size: 0, Positive unconditional cache size: 15588, Negative cache size: 228, Negative conditional cache size: 0, Negative unconditional cache size: 228, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7s, 790 PlacesBefore, 544 PlacesAfterwards, 635 TransitionsBefore, 389 TransitionsAfterwards, 335258 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 309 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 326 TotalNumberOfCompositions, 1024953 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 327043, independent: 325232, independent conditional: 0, independent unconditional: 325232, dependent: 1811, dependent conditional: 0, dependent unconditional: 1811, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 124143, independent: 123658, independent conditional: 0, independent unconditional: 123658, dependent: 485, dependent conditional: 0, dependent unconditional: 485, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 327043, independent: 201574, independent conditional: 0, independent unconditional: 201574, dependent: 1326, dependent conditional: 0, dependent unconditional: 1326, unknown: 124143, unknown conditional: 0, unknown unconditional: 124143] , Statistics on independence cache: Total cache size (in pairs): 12557, Positive cache size: 12327, Positive conditional cache size: 0, Positive unconditional cache size: 12327, Negative cache size: 230, Negative conditional cache size: 0, Negative unconditional cache size: 230, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7s, 800 PlacesBefore, 551 PlacesAfterwards, 643 TransitionsBefore, 394 TransitionsAfterwards, 343980 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 313 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 330 TotalNumberOfCompositions, 1052137 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 367807, independent: 365975, independent conditional: 0, independent unconditional: 365975, dependent: 1832, dependent conditional: 0, dependent unconditional: 1832, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 131451, independent: 130880, independent conditional: 0, independent unconditional: 130880, dependent: 571, dependent conditional: 0, dependent unconditional: 571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 367807, independent: 235095, independent conditional: 0, independent unconditional: 235095, dependent: 1261, dependent conditional: 0, dependent unconditional: 1261, unknown: 131451, unknown conditional: 0, unknown unconditional: 131451] , Statistics on independence cache: Total cache size (in pairs): 16900, Positive cache size: 16590, Positive conditional cache size: 0, Positive unconditional cache size: 16590, Negative cache size: 310, Negative conditional cache size: 0, Negative unconditional cache size: 310, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.9s, 810 PlacesBefore, 558 PlacesAfterwards, 651 TransitionsBefore, 399 TransitionsAfterwards, 352814 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 317 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 334 TotalNumberOfCompositions, 1082742 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 345888, independent: 344027, independent conditional: 0, independent unconditional: 344027, dependent: 1861, dependent conditional: 0, dependent unconditional: 1861, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 130023, independent: 129523, independent conditional: 0, independent unconditional: 129523, dependent: 500, dependent conditional: 0, dependent unconditional: 500, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 345888, independent: 214504, independent conditional: 0, independent unconditional: 214504, dependent: 1361, dependent conditional: 0, dependent unconditional: 1361, unknown: 130023, unknown conditional: 0, unknown unconditional: 130023] , Statistics on independence cache: Total cache size (in pairs): 13513, Positive cache size: 13278, Positive conditional cache size: 0, Positive unconditional cache size: 13278, Negative cache size: 235, Negative conditional cache size: 0, Negative unconditional cache size: 235, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1s, 820 PlacesBefore, 565 PlacesAfterwards, 659 TransitionsBefore, 404 TransitionsAfterwards, 361760 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 321 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 338 TotalNumberOfCompositions, 1112445 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 364880, independent: 362988, independent conditional: 0, independent unconditional: 362988, dependent: 1892, dependent conditional: 0, dependent unconditional: 1892, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 134913, independent: 134327, independent conditional: 0, independent unconditional: 134327, dependent: 586, dependent conditional: 0, dependent unconditional: 586, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 364880, independent: 228661, independent conditional: 0, independent unconditional: 228661, dependent: 1306, dependent conditional: 0, dependent unconditional: 1306, unknown: 134913, unknown conditional: 0, unknown unconditional: 134913] , Statistics on independence cache: Total cache size (in pairs): 15137, Positive cache size: 14819, Positive conditional cache size: 0, Positive unconditional cache size: 14819, Negative cache size: 318, Negative conditional cache size: 0, Negative unconditional cache size: 318, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3s, 830 PlacesBefore, 572 PlacesAfterwards, 667 TransitionsBefore, 409 TransitionsAfterwards, 370818 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 325 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 342 TotalNumberOfCompositions, 1134854 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 361864, independent: 359959, independent conditional: 0, independent unconditional: 359959, dependent: 1905, dependent conditional: 0, dependent unconditional: 1905, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 137165, independent: 136657, independent conditional: 0, independent unconditional: 136657, dependent: 508, dependent conditional: 0, dependent unconditional: 508, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 361864, independent: 223302, independent conditional: 0, independent unconditional: 223302, dependent: 1397, dependent conditional: 0, dependent unconditional: 1397, unknown: 137165, unknown conditional: 0, unknown unconditional: 137165] , Statistics on independence cache: Total cache size (in pairs): 13855, Positive cache size: 13614, Positive conditional cache size: 0, Positive unconditional cache size: 13614, Negative cache size: 241, Negative conditional cache size: 0, Negative unconditional cache size: 241, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.4s, 840 PlacesBefore, 579 PlacesAfterwards, 675 TransitionsBefore, 414 TransitionsAfterwards, 379988 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 329 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 346 TotalNumberOfCompositions, 1175855 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 388633, independent: 386681, independent conditional: 0, independent unconditional: 386681, dependent: 1952, dependent conditional: 0, dependent unconditional: 1952, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 142349, independent: 141746, independent conditional: 0, independent unconditional: 141746, dependent: 603, dependent conditional: 0, dependent unconditional: 603, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 388633, independent: 244935, independent conditional: 0, independent unconditional: 244935, dependent: 1349, dependent conditional: 0, dependent unconditional: 1349, unknown: 142349, unknown conditional: 0, unknown unconditional: 142349] , Statistics on independence cache: Total cache size (in pairs): 16430, Positive cache size: 16104, Positive conditional cache size: 0, Positive unconditional cache size: 16104, Negative cache size: 326, Negative conditional cache size: 0, Negative unconditional cache size: 326, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.4s, 850 PlacesBefore, 586 PlacesAfterwards, 683 TransitionsBefore, 419 TransitionsAfterwards, 389270 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 333 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 350 TotalNumberOfCompositions, 1185377 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 379659, independent: 377718, independent conditional: 0, independent unconditional: 377718, dependent: 1941, dependent conditional: 0, dependent unconditional: 1941, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 143402, independent: 142880, independent conditional: 0, independent unconditional: 142880, dependent: 522, dependent conditional: 0, dependent unconditional: 522, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 379659, independent: 234838, independent conditional: 0, independent unconditional: 234838, dependent: 1419, dependent conditional: 0, dependent unconditional: 1419, unknown: 143402, unknown conditional: 0, unknown unconditional: 143402] , Statistics on independence cache: Total cache size (in pairs): 14587, Positive cache size: 14340, Positive conditional cache size: 0, Positive unconditional cache size: 14340, Negative cache size: 247, Negative conditional cache size: 0, Negative unconditional cache size: 247, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.6s, 860 PlacesBefore, 593 PlacesAfterwards, 691 TransitionsBefore, 424 TransitionsAfterwards, 398664 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 337 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 354 TotalNumberOfCompositions, 1230444 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 444033, independent: 442044, independent conditional: 0, independent unconditional: 442044, dependent: 1989, dependent conditional: 0, dependent unconditional: 1989, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 153288, independent: 152667, independent conditional: 0, independent unconditional: 152667, dependent: 621, dependent conditional: 0, dependent unconditional: 621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 444033, independent: 289377, independent conditional: 0, independent unconditional: 289377, dependent: 1368, dependent conditional: 0, dependent unconditional: 1368, unknown: 153288, unknown conditional: 0, unknown unconditional: 153288] , Statistics on independence cache: Total cache size (in pairs): 21703, Positive cache size: 21369, Positive conditional cache size: 0, Positive unconditional cache size: 21369, Negative cache size: 334, Negative conditional cache size: 0, Negative unconditional cache size: 334, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.7s, 870 PlacesBefore, 600 PlacesAfterwards, 699 TransitionsBefore, 429 TransitionsAfterwards, 408170 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 341 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 358 TotalNumberOfCompositions, 1241109 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 397981, independent: 395996, independent conditional: 0, independent unconditional: 395996, dependent: 1985, dependent conditional: 0, dependent unconditional: 1985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 150498, independent: 149960, independent conditional: 0, independent unconditional: 149960, dependent: 538, dependent conditional: 0, dependent unconditional: 538, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 397981, independent: 246036, independent conditional: 0, independent unconditional: 246036, dependent: 1447, dependent conditional: 0, dependent unconditional: 1447, unknown: 150498, unknown conditional: 0, unknown unconditional: 150498] , Statistics on independence cache: Total cache size (in pairs): 15274, Positive cache size: 15020, Positive conditional cache size: 0, Positive unconditional cache size: 15020, Negative cache size: 254, Negative conditional cache size: 0, Negative unconditional cache size: 254, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.6s, 880 PlacesBefore, 607 PlacesAfterwards, 707 TransitionsBefore, 434 TransitionsAfterwards, 417788 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 345 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 362 TotalNumberOfCompositions, 1281779 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 430227, independent: 428202, independent conditional: 0, independent unconditional: 428202, dependent: 2025, dependent conditional: 0, dependent unconditional: 2025, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 160110, independent: 159476, independent conditional: 0, independent unconditional: 159476, dependent: 634, dependent conditional: 0, dependent unconditional: 634, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 430227, independent: 268726, independent conditional: 0, independent unconditional: 268726, dependent: 1391, dependent conditional: 0, dependent unconditional: 1391, unknown: 160110, unknown conditional: 0, unknown unconditional: 160110] , Statistics on independence cache: Total cache size (in pairs): 21092, Positive cache size: 20834, Positive conditional cache size: 0, Positive unconditional cache size: 20834, Negative cache size: 258, Negative conditional cache size: 0, Negative unconditional cache size: 258, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.9s, 890 PlacesBefore, 614 PlacesAfterwards, 715 TransitionsBefore, 439 TransitionsAfterwards, 427518 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 349 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 366 TotalNumberOfCompositions, 1317948 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 418549, independent: 416491, independent conditional: 0, independent unconditional: 416491, dependent: 2058, dependent conditional: 0, dependent unconditional: 2058, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 158614, independent: 158062, independent conditional: 0, independent unconditional: 158062, dependent: 552, dependent conditional: 0, dependent unconditional: 552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 418549, independent: 258429, independent conditional: 0, independent unconditional: 258429, dependent: 1506, dependent conditional: 0, dependent unconditional: 1506, unknown: 158614, unknown conditional: 0, unknown unconditional: 158614] , Statistics on independence cache: Total cache size (in pairs): 16337, Positive cache size: 16077, Positive conditional cache size: 0, Positive unconditional cache size: 16077, Negative cache size: 260, Negative conditional cache size: 0, Negative unconditional cache size: 260, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.1s, 900 PlacesBefore, 621 PlacesAfterwards, 723 TransitionsBefore, 444 TransitionsAfterwards, 437360 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 353 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 370 TotalNumberOfCompositions, 1356058 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 482759, independent: 480666, independent conditional: 0, independent unconditional: 480666, dependent: 2093, dependent conditional: 0, dependent unconditional: 2093, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 171385, independent: 170721, independent conditional: 0, independent unconditional: 170721, dependent: 664, dependent conditional: 0, dependent unconditional: 664, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 482759, independent: 309945, independent conditional: 0, independent unconditional: 309945, dependent: 1429, dependent conditional: 0, dependent unconditional: 1429, unknown: 171385, unknown conditional: 0, unknown unconditional: 171385] , Statistics on independence cache: Total cache size (in pairs): 27154, Positive cache size: 26890, Positive conditional cache size: 0, Positive unconditional cache size: 26890, Negative cache size: 264, Negative conditional cache size: 0, Negative unconditional cache size: 264, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.2s, 910 PlacesBefore, 628 PlacesAfterwards, 731 TransitionsBefore, 449 TransitionsAfterwards, 447314 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 357 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 374 TotalNumberOfCompositions, 1369148 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 462290, independent: 460203, independent conditional: 0, independent unconditional: 460203, dependent: 2087, dependent conditional: 0, dependent unconditional: 2087, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 166929, independent: 166365, independent conditional: 0, independent unconditional: 166365, dependent: 564, dependent conditional: 0, dependent unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 462290, independent: 293838, independent conditional: 0, independent unconditional: 293838, dependent: 1523, dependent conditional: 0, dependent unconditional: 1523, unknown: 166929, unknown conditional: 0, unknown unconditional: 166929] , Statistics on independence cache: Total cache size (in pairs): 16660, Positive cache size: 16394, Positive conditional cache size: 0, Positive unconditional cache size: 16394, Negative cache size: 266, Negative conditional cache size: 0, Negative unconditional cache size: 266, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.4s, 920 PlacesBefore, 635 PlacesAfterwards, 739 TransitionsBefore, 454 TransitionsAfterwards, 457380 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 361 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 378 TotalNumberOfCompositions, 1405600 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 462995, independent: 460871, independent conditional: 0, independent unconditional: 460871, dependent: 2124, dependent conditional: 0, dependent unconditional: 2124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 169014, independent: 168446, independent conditional: 0, independent unconditional: 168446, dependent: 568, dependent conditional: 0, dependent unconditional: 568, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 462995, independent: 292425, independent conditional: 0, independent unconditional: 292425, dependent: 1556, dependent conditional: 0, dependent unconditional: 1556, unknown: 169014, unknown conditional: 0, unknown unconditional: 169014] , Statistics on independence cache: Total cache size (in pairs): 17813, Positive cache size: 17544, Positive conditional cache size: 0, Positive unconditional cache size: 17544, Negative cache size: 269, Negative conditional cache size: 0, Negative unconditional cache size: 269, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.5s, 930 PlacesBefore, 642 PlacesAfterwards, 747 TransitionsBefore, 459 TransitionsAfterwards, 467558 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 365 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 0 ChoiceCompositions, 382 TotalNumberOfCompositions, 1425686 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 480634, independent: 478506, independent conditional: 0, independent unconditional: 478506, dependent: 2128, dependent conditional: 0, dependent unconditional: 2128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 174256, independent: 173690, independent conditional: 0, independent unconditional: 173690, dependent: 566, dependent conditional: 0, dependent unconditional: 566, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 480634, independent: 304816, independent conditional: 0, independent unconditional: 304816, dependent: 1562, dependent conditional: 0, dependent unconditional: 1562, unknown: 174256, unknown conditional: 0, unknown unconditional: 174256] , Statistics on independence cache: Total cache size (in pairs): 20011, Positive cache size: 19739, Positive conditional cache size: 0, Positive unconditional cache size: 19739, Negative cache size: 272, Negative conditional cache size: 0, Negative unconditional cache size: 272, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.7s, 940 PlacesBefore, 649 PlacesAfterwards, 755 TransitionsBefore, 464 TransitionsAfterwards, 477848 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 369 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 386 TotalNumberOfCompositions, 1473669 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 496267, independent: 494090, independent conditional: 0, independent unconditional: 494090, dependent: 2177, dependent conditional: 0, dependent unconditional: 2177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 180587, independent: 179999, independent conditional: 0, independent unconditional: 179999, dependent: 588, dependent conditional: 0, dependent unconditional: 588, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 496267, independent: 314091, independent conditional: 0, independent unconditional: 314091, dependent: 1589, dependent conditional: 0, dependent unconditional: 1589, unknown: 180587, unknown conditional: 0, unknown unconditional: 180587] , Statistics on independence cache: Total cache size (in pairs): 21692, Positive cache size: 21417, Positive conditional cache size: 0, Positive unconditional cache size: 21417, Negative cache size: 275, Negative conditional cache size: 0, Negative unconditional cache size: 275, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.9s, 950 PlacesBefore, 656 PlacesAfterwards, 763 TransitionsBefore, 469 TransitionsAfterwards, 488250 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 373 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 390 TotalNumberOfCompositions, 1604980 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 484159, independent: 481609, independent conditional: 0, independent unconditional: 481609, dependent: 2550, dependent conditional: 0, dependent unconditional: 2550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 189832, independent: 189240, independent conditional: 0, independent unconditional: 189240, dependent: 592, dependent conditional: 0, dependent unconditional: 592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 484159, independent: 292369, independent conditional: 0, independent unconditional: 292369, dependent: 1958, dependent conditional: 0, dependent unconditional: 1958, unknown: 189832, unknown conditional: 0, unknown unconditional: 189832] , Statistics on independence cache: Total cache size (in pairs): 24463, Positive cache size: 24185, Positive conditional cache size: 0, Positive unconditional cache size: 24185, Negative cache size: 278, Negative conditional cache size: 0, Negative unconditional cache size: 278, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.1s, 960 PlacesBefore, 663 PlacesAfterwards, 771 TransitionsBefore, 474 TransitionsAfterwards, 498764 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 377 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 394 TotalNumberOfCompositions, 1636447 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 439005, independent: 436427, independent conditional: 0, independent unconditional: 436427, dependent: 2578, dependent conditional: 0, dependent unconditional: 2578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 188062, independent: 187555, independent conditional: 0, independent unconditional: 187555, dependent: 507, dependent conditional: 0, dependent unconditional: 507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 439005, independent: 248872, independent conditional: 0, independent unconditional: 248872, dependent: 2071, dependent conditional: 0, dependent unconditional: 2071, unknown: 188062, unknown conditional: 0, unknown unconditional: 188062] , Statistics on independence cache: Total cache size (in pairs): 18560, Positive cache size: 18280, Positive conditional cache size: 0, Positive unconditional cache size: 18280, Negative cache size: 280, Negative conditional cache size: 0, Negative unconditional cache size: 280, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.2s, 970 PlacesBefore, 670 PlacesAfterwards, 779 TransitionsBefore, 479 TransitionsAfterwards, 509390 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 381 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 398 TotalNumberOfCompositions, 1685313 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 497841, independent: 495220, independent conditional: 0, independent unconditional: 495220, dependent: 2621, dependent conditional: 0, dependent unconditional: 2621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 200273, independent: 199572, independent conditional: 0, independent unconditional: 199572, dependent: 701, dependent conditional: 0, dependent unconditional: 701, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497841, independent: 295648, independent conditional: 0, independent unconditional: 295648, dependent: 1920, dependent conditional: 0, dependent unconditional: 1920, unknown: 200273, unknown conditional: 0, unknown unconditional: 200273] , Statistics on independence cache: Total cache size (in pairs): 27242, Positive cache size: 26958, Positive conditional cache size: 0, Positive unconditional cache size: 26958, Negative cache size: 284, Negative conditional cache size: 0, Negative unconditional cache size: 284, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.6s, 980 PlacesBefore, 677 PlacesAfterwards, 787 TransitionsBefore, 484 TransitionsAfterwards, 520128 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 385 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 402 TotalNumberOfCompositions, 1693342 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 474343, independent: 471734, independent conditional: 0, independent unconditional: 471734, dependent: 2609, dependent conditional: 0, dependent unconditional: 2609, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 197134, independent: 196540, independent conditional: 0, independent unconditional: 196540, dependent: 594, dependent conditional: 0, dependent unconditional: 594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 474343, independent: 275194, independent conditional: 0, independent unconditional: 275194, dependent: 2015, dependent conditional: 0, dependent unconditional: 2015, unknown: 197134, unknown conditional: 0, unknown unconditional: 197134] , Statistics on independence cache: Total cache size (in pairs): 19291, Positive cache size: 19004, Positive conditional cache size: 0, Positive unconditional cache size: 19004, Negative cache size: 287, Negative conditional cache size: 0, Negative unconditional cache size: 287, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.8s, 990 PlacesBefore, 684 PlacesAfterwards, 795 TransitionsBefore, 489 TransitionsAfterwards, 530978 CoEnabledTransitionPairs, 6 FixpointIterations, 12 TrivialSequentialCompositions, 389 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 0 ChoiceCompositions, 406 TotalNumberOfCompositions, 1745321 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 497131, independent: 494469, independent conditional: 0, independent unconditional: 494469, dependent: 2662, dependent conditional: 0, dependent unconditional: 2662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 199570, independent: 198964, independent conditional: 0, independent unconditional: 198964, dependent: 606, dependent conditional: 0, dependent unconditional: 606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497131, independent: 295505, independent conditional: 0, independent unconditional: 295505, dependent: 2056, dependent conditional: 0, dependent unconditional: 2056, unknown: 199570, unknown conditional: 0, unknown unconditional: 199570] , Statistics on independence cache: Total cache size (in pairs): 20935, Positive cache size: 20645, Positive conditional cache size: 0, Positive unconditional cache size: 20645, Negative cache size: 290, Negative conditional cache size: 0, Negative unconditional cache size: 290, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 718]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PetriNetUnfolder was constructing finite prefix that currently has 5413 conditions, 661 events (0/660 cut-off events. For 142880/142880 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1086 event pairs, 0 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 0. Up to 95 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 41 locations, 3 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: 1.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 2 thread instances CFG has 4 procedures, 49 locations, 4 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: 1.1s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 3 thread instances CFG has 5 procedures, 57 locations, 5 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: 1.1s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 4 thread instances CFG has 6 procedures, 65 locations, 6 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: 1.2s, OverallIterations: 1, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 5 thread instances CFG has 7 procedures, 73 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 6 thread instances CFG has 8 procedures, 81 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 7 thread instances CFG has 9 procedures, 89 locations, 9 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: 1.7s, OverallIterations: 1, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 8 thread instances CFG has 10 procedures, 97 locations, 10 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: 1.7s, OverallIterations: 1, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 9 thread instances CFG has 11 procedures, 105 locations, 11 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: 1.8s, OverallIterations: 1, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 10 thread instances CFG has 12 procedures, 113 locations, 12 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: 1.8s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 11 thread instances CFG has 13 procedures, 121 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: 2.0s, OverallIterations: 1, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 12 thread instances CFG has 14 procedures, 129 locations, 14 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: 2.0s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=320occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 13 thread instances CFG has 15 procedures, 137 locations, 15 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: 2.2s, OverallIterations: 1, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=359occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 14 thread instances CFG has 16 procedures, 145 locations, 16 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: 2.3s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=400occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 15 thread instances CFG has 17 procedures, 153 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=443occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 16 thread instances CFG has 18 procedures, 161 locations, 18 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: 2.7s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=488occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 17 thread instances CFG has 19 procedures, 169 locations, 19 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: 2.5s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=535occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 18 thread instances CFG has 20 procedures, 177 locations, 20 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: 2.7s, OverallIterations: 1, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=584occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 19 thread instances CFG has 21 procedures, 185 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=635occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 20 thread instances CFG has 22 procedures, 193 locations, 22 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: 2.9s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 21 thread instances CFG has 23 procedures, 201 locations, 23 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=743occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 22 thread instances CFG has 24 procedures, 209 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=800occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 23 thread instances CFG has 25 procedures, 217 locations, 25 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.3s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=859occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 24 thread instances CFG has 26 procedures, 225 locations, 26 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 1, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=920occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 25 thread instances CFG has 27 procedures, 233 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=983occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 26 thread instances CFG has 28 procedures, 241 locations, 28 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1048occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 27 thread instances CFG has 29 procedures, 249 locations, 29 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.7s, OverallIterations: 1, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1115occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 28 thread instances CFG has 30 procedures, 257 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.9s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1184occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 29 thread instances CFG has 31 procedures, 265 locations, 31 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 30 thread instances CFG has 32 procedures, 273 locations, 32 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.1s, OverallIterations: 1, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1328occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 31 thread instances CFG has 33 procedures, 281 locations, 33 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 1, TraceHistogramMax: 31, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1403occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 32 thread instances CFG has 34 procedures, 289 locations, 34 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.5s, OverallIterations: 1, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1480occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 33 thread instances CFG has 35 procedures, 297 locations, 35 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 1, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1559occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 34 thread instances CFG has 36 procedures, 305 locations, 36 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.5s, OverallIterations: 1, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1640occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 35 thread instances CFG has 37 procedures, 313 locations, 37 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 1, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1723occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 36 thread instances CFG has 38 procedures, 321 locations, 38 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.8s, OverallIterations: 1, TraceHistogramMax: 36, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1808occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 37 thread instances CFG has 39 procedures, 329 locations, 39 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: 5.1s, OverallIterations: 1, TraceHistogramMax: 37, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1895occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 38 thread instances CFG has 40 procedures, 337 locations, 40 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.1s, OverallIterations: 1, TraceHistogramMax: 38, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1984occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 39 thread instances CFG has 41 procedures, 345 locations, 41 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: 5.1s, OverallIterations: 1, TraceHistogramMax: 39, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2075occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 40 thread instances CFG has 42 procedures, 353 locations, 42 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 1, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2168occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 41 thread instances CFG has 43 procedures, 361 locations, 43 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.5s, OverallIterations: 1, TraceHistogramMax: 41, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2263occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 42 thread instances CFG has 44 procedures, 369 locations, 44 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.6s, OverallIterations: 1, TraceHistogramMax: 42, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2360occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 43 thread instances CFG has 45 procedures, 377 locations, 45 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: 5.7s, OverallIterations: 1, TraceHistogramMax: 43, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2459occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 44 thread instances CFG has 46 procedures, 385 locations, 46 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.8s, OverallIterations: 1, TraceHistogramMax: 44, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2560occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 45 thread instances CFG has 47 procedures, 393 locations, 47 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.0s, OverallIterations: 1, TraceHistogramMax: 45, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2663occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 46 thread instances CFG has 48 procedures, 401 locations, 48 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.0s, OverallIterations: 1, TraceHistogramMax: 46, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2768occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 47 thread instances CFG has 49 procedures, 409 locations, 49 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.2s, OverallIterations: 1, TraceHistogramMax: 47, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2875occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 48 thread instances CFG has 50 procedures, 417 locations, 50 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.5s, OverallIterations: 1, TraceHistogramMax: 48, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2984occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 49 thread instances CFG has 51 procedures, 425 locations, 51 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.4s, OverallIterations: 1, TraceHistogramMax: 49, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3095occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 50 thread instances CFG has 52 procedures, 433 locations, 52 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.7s, OverallIterations: 1, TraceHistogramMax: 50, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3208occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 51 thread instances CFG has 53 procedures, 441 locations, 53 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.7s, OverallIterations: 1, TraceHistogramMax: 51, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3323occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 52 thread instances CFG has 54 procedures, 449 locations, 54 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.9s, OverallIterations: 1, TraceHistogramMax: 52, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3440occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 53 thread instances CFG has 55 procedures, 457 locations, 55 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.9s, OverallIterations: 1, TraceHistogramMax: 53, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3559occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 54 thread instances CFG has 56 procedures, 465 locations, 56 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.3s, OverallIterations: 1, TraceHistogramMax: 54, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3680occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 55 thread instances CFG has 57 procedures, 473 locations, 57 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.4s, OverallIterations: 1, TraceHistogramMax: 55, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3803occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 56 thread instances CFG has 58 procedures, 481 locations, 58 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.4s, OverallIterations: 1, TraceHistogramMax: 56, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3928occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 57 thread instances CFG has 59 procedures, 489 locations, 59 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.6s, OverallIterations: 1, TraceHistogramMax: 57, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4055occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 58 thread instances CFG has 60 procedures, 497 locations, 60 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.6s, OverallIterations: 1, TraceHistogramMax: 58, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4184occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 59 thread instances CFG has 61 procedures, 505 locations, 61 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.0s, OverallIterations: 1, TraceHistogramMax: 59, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4315occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 60 thread instances CFG has 62 procedures, 513 locations, 62 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.0s, OverallIterations: 1, TraceHistogramMax: 60, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4448occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 61 thread instances CFG has 63 procedures, 521 locations, 63 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.3s, OverallIterations: 1, TraceHistogramMax: 61, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4583occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 62 thread instances CFG has 64 procedures, 529 locations, 64 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.4s, OverallIterations: 1, TraceHistogramMax: 62, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4720occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 63 thread instances CFG has 65 procedures, 537 locations, 65 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.6s, OverallIterations: 1, TraceHistogramMax: 63, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4859occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 64 thread instances CFG has 66 procedures, 545 locations, 66 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.7s, OverallIterations: 1, TraceHistogramMax: 64, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5000occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 65 thread instances CFG has 67 procedures, 553 locations, 67 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.2s, OverallIterations: 1, TraceHistogramMax: 65, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5143occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 66 thread instances CFG has 68 procedures, 561 locations, 68 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.9s, OverallIterations: 1, TraceHistogramMax: 66, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5288occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 67 thread instances CFG has 69 procedures, 569 locations, 69 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.4s, OverallIterations: 1, TraceHistogramMax: 67, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5435occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 68 thread instances CFG has 70 procedures, 577 locations, 70 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.3s, OverallIterations: 1, TraceHistogramMax: 68, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5584occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 69 thread instances CFG has 71 procedures, 585 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.4s, OverallIterations: 1, TraceHistogramMax: 69, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5735occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 70 thread instances CFG has 72 procedures, 593 locations, 72 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.5s, OverallIterations: 1, TraceHistogramMax: 70, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5888occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 71 thread instances CFG has 73 procedures, 601 locations, 73 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.8s, OverallIterations: 1, TraceHistogramMax: 71, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6043occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 72 thread instances CFG has 74 procedures, 609 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.9s, OverallIterations: 1, TraceHistogramMax: 72, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6200occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 73 thread instances CFG has 75 procedures, 617 locations, 75 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.4s, OverallIterations: 1, TraceHistogramMax: 73, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6359occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 74 thread instances CFG has 76 procedures, 625 locations, 76 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.2s, OverallIterations: 1, TraceHistogramMax: 74, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6520occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 75 thread instances CFG has 77 procedures, 633 locations, 77 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.3s, OverallIterations: 1, TraceHistogramMax: 75, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6683occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 76 thread instances CFG has 78 procedures, 641 locations, 78 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.6s, OverallIterations: 1, TraceHistogramMax: 76, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6848occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 77 thread instances CFG has 79 procedures, 649 locations, 79 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.9s, OverallIterations: 1, TraceHistogramMax: 77, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7015occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 78 thread instances CFG has 80 procedures, 657 locations, 80 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.9s, OverallIterations: 1, TraceHistogramMax: 78, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7184occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 79 thread instances CFG has 81 procedures, 665 locations, 81 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.2s, OverallIterations: 1, TraceHistogramMax: 79, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7355occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 80 thread instances CFG has 82 procedures, 673 locations, 82 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.4s, OverallIterations: 1, TraceHistogramMax: 80, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7528occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 81 thread instances CFG has 83 procedures, 681 locations, 83 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.6s, OverallIterations: 1, TraceHistogramMax: 81, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7703occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 82 thread instances CFG has 84 procedures, 689 locations, 84 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.7s, OverallIterations: 1, TraceHistogramMax: 82, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7880occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 83 thread instances CFG has 85 procedures, 697 locations, 85 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.8s, OverallIterations: 1, TraceHistogramMax: 83, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8059occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 84 thread instances CFG has 86 procedures, 705 locations, 86 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.1s, OverallIterations: 1, TraceHistogramMax: 84, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8240occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 85 thread instances CFG has 87 procedures, 713 locations, 87 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.1s, OverallIterations: 1, TraceHistogramMax: 85, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8423occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 86 thread instances CFG has 88 procedures, 721 locations, 88 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.1s, OverallIterations: 1, TraceHistogramMax: 86, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8608occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 87 thread instances CFG has 89 procedures, 729 locations, 89 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.5s, OverallIterations: 1, TraceHistogramMax: 87, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8795occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 88 thread instances CFG has 90 procedures, 737 locations, 90 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.8s, OverallIterations: 1, TraceHistogramMax: 88, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8984occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 89 thread instances CFG has 91 procedures, 745 locations, 91 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.9s, OverallIterations: 1, TraceHistogramMax: 89, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9175occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 90 thread instances CFG has 92 procedures, 753 locations, 92 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.0s, OverallIterations: 1, TraceHistogramMax: 90, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9368occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 91 thread instances CFG has 93 procedures, 761 locations, 93 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.3s, OverallIterations: 1, TraceHistogramMax: 91, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9563occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 92 thread instances CFG has 94 procedures, 769 locations, 94 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.5s, OverallIterations: 1, TraceHistogramMax: 92, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9760occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 278 NumberOfCodeBlocks, 278 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 93 thread instances CFG has 95 procedures, 777 locations, 95 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.6s, OverallIterations: 1, TraceHistogramMax: 93, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9959occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 94 thread instances CFG has 96 procedures, 785 locations, 96 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.9s, OverallIterations: 1, TraceHistogramMax: 94, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10160occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 95 thread instances CFG has 97 procedures, 793 locations, 97 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.4s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.6s, OverallIterations: 1, TraceHistogramMax: 95, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10363occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 96 thread instances CFG has 98 procedures, 801 locations, 98 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.4s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.4s, OverallIterations: 1, TraceHistogramMax: 96, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10568occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 290 NumberOfCodeBlocks, 290 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 97 thread instances CFG has 99 procedures, 809 locations, 99 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.4s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.7s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10775occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown