/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 PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 05:53:00,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 05:53:00,182 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 [2023-08-26 05:53:00,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 05:53:00,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 05:53:00,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 05:53:00,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 05:53:00,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 05:53:00,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 05:53:00,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 05:53:00,214 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 05:53:00,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 05:53:00,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 05:53:00,216 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 05:53:00,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 05:53:00,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 05:53:00,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 05:53:00,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 05:53:00,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 05:53:00,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 05:53:00,217 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 05:53:00,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 05:53:00,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 05:53:00,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 05:53:00,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 05:53:00,218 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 05:53:00,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 05:53:00,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 05:53:00,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 05:53:00,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 05:53:00,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 05:53:00,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 05:53:00,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 05:53:00,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 05:53:00,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 05:53:00,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 05:53:00,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 05:53:00,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 05:53:00,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 05:53:00,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 05:53:00,502 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 05:53:00,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.i [2023-08-26 05:53:01,586 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 05:53:01,894 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 05:53:01,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.i [2023-08-26 05:53:01,909 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2448c15fe/75575cbcebad460f8f142c154f0657d8/FLAG64c4a3ffd [2023-08-26 05:53:01,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2448c15fe/75575cbcebad460f8f142c154f0657d8 [2023-08-26 05:53:01,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 05:53:01,925 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 05:53:01,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 05:53:01,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 05:53:01,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 05:53:01,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 05:53:01" (1/1) ... [2023-08-26 05:53:01,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e36a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:01, skipping insertion in model container [2023-08-26 05:53:01,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 05:53:01" (1/1) ... [2023-08-26 05:53:01,971 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 05:53:02,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 05:53:02,224 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 05:53:02,239 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 05:53:02,240 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-26 05:53:02,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 05:53:02,289 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 05:53:02,289 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 05:53:02,294 INFO L206 MainTranslator]: Completed translation [2023-08-26 05:53:02,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02 WrapperNode [2023-08-26 05:53:02,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 05:53:02,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 05:53:02,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 05:53:02,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 05:53:02,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,323 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2023-08-26 05:53:02,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 05:53:02,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 05:53:02,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 05:53:02,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 05:53:02,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 05:53:02,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 05:53:02,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 05:53:02,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 05:53:02,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (1/1) ... [2023-08-26 05:53:02,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 05:53:02,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 05:53:02,398 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) [2023-08-26 05:53:02,414 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 [2023-08-26 05:53:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 05:53:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 05:53:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 05:53:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 05:53:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 05:53:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-26 05:53:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-26 05:53:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-26 05:53:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-26 05:53:02,444 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-26 05:53:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-26 05:53:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 05:53:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 05:53:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 05:53:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 05:53:02,446 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 05:53:02,553 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 05:53:02,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 05:53:02,709 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 05:53:02,778 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 05:53:02,778 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 05:53:02,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:53:02 BoogieIcfgContainer [2023-08-26 05:53:02,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 05:53:02,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 05:53:02,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 05:53:02,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 05:53:02,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 05:53:01" (1/3) ... [2023-08-26 05:53:02,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c8be6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:53:02, skipping insertion in model container [2023-08-26 05:53:02,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:53:02" (2/3) ... [2023-08-26 05:53:02,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c8be6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:53:02, skipping insertion in model container [2023-08-26 05:53:02,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:53:02" (3/3) ... [2023-08-26 05:53:02,785 INFO L112 eAbstractionObserver]: Analyzing ICFG safe034_tso.i [2023-08-26 05:53:02,796 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 05:53:02,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2023-08-26 05:53:02,797 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 05:53:02,857 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 05:53:02,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 115 transitions, 245 flow [2023-08-26 05:53:02,909 INFO L124 PetriNetUnfolderBase]: 3/112 cut-off events. [2023-08-26 05:53:02,910 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:53:02,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 3/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 128 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-08-26 05:53:02,914 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 115 transitions, 245 flow [2023-08-26 05:53:02,917 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 112 transitions, 233 flow [2023-08-26 05:53:02,919 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 05:53:02,924 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 112 transitions, 233 flow [2023-08-26 05:53:02,926 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 112 transitions, 233 flow [2023-08-26 05:53:02,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 112 transitions, 233 flow [2023-08-26 05:53:02,967 INFO L124 PetriNetUnfolderBase]: 3/112 cut-off events. [2023-08-26 05:53:02,967 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:53:02,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 3/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 128 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-08-26 05:53:02,970 INFO L119 LiptonReduction]: Number of co-enabled transitions 3960 [2023-08-26 05:53:06,125 INFO L134 LiptonReduction]: Checked pairs total: 14592 [2023-08-26 05:53:06,126 INFO L136 LiptonReduction]: Total number of compositions: 109 [2023-08-26 05:53:06,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-26 05:53:06,139 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;@251da8ac, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-26 05:53:06,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2023-08-26 05:53:06,141 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-26 05:53:06,141 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-08-26 05:53:06,141 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:53:06,141 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:53:06,142 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-26 05:53:06,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-26 05:53:06,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:53:06,145 INFO L85 PathProgramCache]: Analyzing trace with hash 580653, now seen corresponding path program 1 times [2023-08-26 05:53:06,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:53:06,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401679014] [2023-08-26 05:53:06,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:53:06,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:53:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:53:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:53:06,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:53:06,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401679014] [2023-08-26 05:53:06,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401679014] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:53:06,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:53:06,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 05:53:06,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77312304] [2023-08-26 05:53:06,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:53:06,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-26 05:53:06,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:53:06,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-26 05:53:06,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-26 05:53:06,276 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 224 [2023-08-26 05:53:06,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 91 flow. Second operand has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:53:06,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 224 [2023-08-26 05:53:06,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:53:06,404 INFO L124 PetriNetUnfolderBase]: 567/864 cut-off events. [2023-08-26 05:53:06,404 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-08-26 05:53:06,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 864 events. 567/864 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3172 event pairs, 567 based on Foata normal form. 0/800 useless extension candidates. Maximal degree in co-relation 1764. Up to 865 conditions per place. [2023-08-26 05:53:06,412 INFO L140 encePairwiseOnDemand]: 201/224 looper letters, 17 selfloop transitions, 0 changer transitions 1/18 dead transitions. [2023-08-26 05:53:06,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 18 transitions, 81 flow [2023-08-26 05:53:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-26 05:53:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-26 05:53:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 195 transitions. [2023-08-26 05:53:06,421 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43526785714285715 [2023-08-26 05:53:06,421 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 195 transitions. [2023-08-26 05:53:06,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 195 transitions. [2023-08-26 05:53:06,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:53:06,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 195 transitions. [2023-08-26 05:53:06,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,433 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,434 INFO L175 Difference]: Start difference. First operand has 50 places, 41 transitions, 91 flow. Second operand 2 states and 195 transitions. [2023-08-26 05:53:06,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 18 transitions, 81 flow [2023-08-26 05:53:06,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 18 transitions, 78 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-26 05:53:06,437 INFO L231 Difference]: Finished difference. Result has 26 places, 17 transitions, 40 flow [2023-08-26 05:53:06,438 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=40, PETRI_PLACES=26, PETRI_TRANSITIONS=17} [2023-08-26 05:53:06,440 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -24 predicate places. [2023-08-26 05:53:06,440 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 17 transitions, 40 flow [2023-08-26 05:53:06,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:53:06,440 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:53:06,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-26 05:53:06,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-26 05:53:06,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:53:06,441 INFO L85 PathProgramCache]: Analyzing trace with hash -287817006, now seen corresponding path program 1 times [2023-08-26 05:53:06,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:53:06,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248919735] [2023-08-26 05:53:06,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:53:06,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:53:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:53:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:53:06,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:53:06,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248919735] [2023-08-26 05:53:06,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248919735] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:53:06,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:53:06,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-26 05:53:06,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424637922] [2023-08-26 05:53:06,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:53:06,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 05:53:06,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:53:06,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 05:53:06,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 05:53:06,526 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 224 [2023-08-26 05:53:06,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 17 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:53:06,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 224 [2023-08-26 05:53:06,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:53:06,572 INFO L124 PetriNetUnfolderBase]: 401/626 cut-off events. [2023-08-26 05:53:06,572 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:53:06,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1297 conditions, 626 events. 401/626 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2328 event pairs, 111 based on Foata normal form. 8/634 useless extension candidates. Maximal degree in co-relation 1294. Up to 581 conditions per place. [2023-08-26 05:53:06,574 INFO L140 encePairwiseOnDemand]: 220/224 looper letters, 25 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2023-08-26 05:53:06,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 28 transitions, 122 flow [2023-08-26 05:53:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 05:53:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 05:53:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2023-08-26 05:53:06,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38244047619047616 [2023-08-26 05:53:06,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 257 transitions. [2023-08-26 05:53:06,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 257 transitions. [2023-08-26 05:53:06,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:53:06,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 257 transitions. [2023-08-26 05:53:06,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,579 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,579 INFO L175 Difference]: Start difference. First operand has 26 places, 17 transitions, 40 flow. Second operand 3 states and 257 transitions. [2023-08-26 05:53:06,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 28 transitions, 122 flow [2023-08-26 05:53:06,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 28 transitions, 122 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-26 05:53:06,580 INFO L231 Difference]: Finished difference. Result has 28 places, 19 transitions, 59 flow [2023-08-26 05:53:06,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=59, PETRI_PLACES=28, PETRI_TRANSITIONS=19} [2023-08-26 05:53:06,580 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -22 predicate places. [2023-08-26 05:53:06,580 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 59 flow [2023-08-26 05:53:06,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,581 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:53:06,581 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:53:06,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-26 05:53:06,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-26 05:53:06,581 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:53:06,581 INFO L85 PathProgramCache]: Analyzing trace with hash -332393588, now seen corresponding path program 1 times [2023-08-26 05:53:06,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:53:06,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111741732] [2023-08-26 05:53:06,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:53:06,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:53:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:53:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:53:06,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:53:06,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111741732] [2023-08-26 05:53:06,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111741732] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:53:06,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:53:06,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 05:53:06,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916568328] [2023-08-26 05:53:06,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:53:06,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 05:53:06,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:53:06,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 05:53:06,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 05:53:06,771 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 224 [2023-08-26 05:53:06,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:53:06,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 224 [2023-08-26 05:53:06,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:53:06,844 INFO L124 PetriNetUnfolderBase]: 257/434 cut-off events. [2023-08-26 05:53:06,845 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2023-08-26 05:53:06,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1043 conditions, 434 events. 257/434 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1528 event pairs, 76 based on Foata normal form. 27/461 useless extension candidates. Maximal degree in co-relation 1038. Up to 327 conditions per place. [2023-08-26 05:53:06,846 INFO L140 encePairwiseOnDemand]: 219/224 looper letters, 30 selfloop transitions, 4 changer transitions 0/34 dead transitions. [2023-08-26 05:53:06,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 34 transitions, 171 flow [2023-08-26 05:53:06,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 05:53:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 05:53:06,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2023-08-26 05:53:06,848 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3854166666666667 [2023-08-26 05:53:06,848 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 259 transitions. [2023-08-26 05:53:06,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 259 transitions. [2023-08-26 05:53:06,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:53:06,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 259 transitions. [2023-08-26 05:53:06,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,852 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,852 INFO L175 Difference]: Start difference. First operand has 28 places, 19 transitions, 59 flow. Second operand 3 states and 259 transitions. [2023-08-26 05:53:06,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 34 transitions, 171 flow [2023-08-26 05:53:06,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 34 transitions, 166 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 05:53:06,853 INFO L231 Difference]: Finished difference. Result has 30 places, 22 transitions, 82 flow [2023-08-26 05:53:06,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=30, PETRI_TRANSITIONS=22} [2023-08-26 05:53:06,854 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -20 predicate places. [2023-08-26 05:53:06,854 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 22 transitions, 82 flow [2023-08-26 05:53:06,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,855 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:53:06,855 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:53:06,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-26 05:53:06,858 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-26 05:53:06,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:53:06,858 INFO L85 PathProgramCache]: Analyzing trace with hash 375176258, now seen corresponding path program 1 times [2023-08-26 05:53:06,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:53:06,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633380714] [2023-08-26 05:53:06,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:53:06,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:53:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:53:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:53:06,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:53:06,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633380714] [2023-08-26 05:53:06,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633380714] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:53:06,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:53:06,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 05:53:06,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017064562] [2023-08-26 05:53:06,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:53:06,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 05:53:06,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:53:06,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 05:53:06,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-26 05:53:06,965 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 224 [2023-08-26 05:53:06,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 22 transitions, 82 flow. Second operand has 4 states, 4 states have (on average 78.75) internal successors, (315), 4 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:06,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:53:06,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 224 [2023-08-26 05:53:06,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:53:07,013 INFO L124 PetriNetUnfolderBase]: 153/278 cut-off events. [2023-08-26 05:53:07,013 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2023-08-26 05:53:07,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 278 events. 153/278 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 902 event pairs, 55 based on Foata normal form. 27/305 useless extension candidates. Maximal degree in co-relation 779. Up to 108 conditions per place. [2023-08-26 05:53:07,014 INFO L140 encePairwiseOnDemand]: 219/224 looper letters, 38 selfloop transitions, 7 changer transitions 0/45 dead transitions. [2023-08-26 05:53:07,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 45 transitions, 242 flow [2023-08-26 05:53:07,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 05:53:07,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 05:53:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 346 transitions. [2023-08-26 05:53:07,016 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3861607142857143 [2023-08-26 05:53:07,016 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 346 transitions. [2023-08-26 05:53:07,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 346 transitions. [2023-08-26 05:53:07,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:53:07,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 346 transitions. [2023-08-26 05:53:07,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,018 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,018 INFO L175 Difference]: Start difference. First operand has 30 places, 22 transitions, 82 flow. Second operand 4 states and 346 transitions. [2023-08-26 05:53:07,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 45 transitions, 242 flow [2023-08-26 05:53:07,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 45 transitions, 238 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 05:53:07,020 INFO L231 Difference]: Finished difference. Result has 33 places, 25 transitions, 118 flow [2023-08-26 05:53:07,020 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=118, PETRI_PLACES=33, PETRI_TRANSITIONS=25} [2023-08-26 05:53:07,020 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -17 predicate places. [2023-08-26 05:53:07,021 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 25 transitions, 118 flow [2023-08-26 05:53:07,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.75) internal successors, (315), 4 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,021 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:53:07,021 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:53:07,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-26 05:53:07,021 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-26 05:53:07,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:53:07,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1977766449, now seen corresponding path program 1 times [2023-08-26 05:53:07,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:53:07,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66089142] [2023-08-26 05:53:07,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:53:07,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:53:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:53:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:53:07,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:53:07,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66089142] [2023-08-26 05:53:07,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66089142] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:53:07,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:53:07,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-26 05:53:07,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782448914] [2023-08-26 05:53:07,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:53:07,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-26 05:53:07,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:53:07,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-26 05:53:07,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-26 05:53:07,103 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 224 [2023-08-26 05:53:07,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 25 transitions, 118 flow. Second operand has 5 states, 5 states have (on average 78.8) internal successors, (394), 5 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:53:07,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 224 [2023-08-26 05:53:07,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:53:07,159 INFO L124 PetriNetUnfolderBase]: 135/242 cut-off events. [2023-08-26 05:53:07,159 INFO L125 PetriNetUnfolderBase]: For 224/224 co-relation queries the response was YES. [2023-08-26 05:53:07,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 242 events. 135/242 cut-off events. For 224/224 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 777 event pairs, 53 based on Foata normal form. 9/251 useless extension candidates. Maximal degree in co-relation 728. Up to 108 conditions per place. [2023-08-26 05:53:07,160 INFO L140 encePairwiseOnDemand]: 219/224 looper letters, 35 selfloop transitions, 10 changer transitions 0/45 dead transitions. [2023-08-26 05:53:07,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 45 transitions, 266 flow [2023-08-26 05:53:07,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-26 05:53:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-26 05:53:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 422 transitions. [2023-08-26 05:53:07,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3767857142857143 [2023-08-26 05:53:07,162 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 422 transitions. [2023-08-26 05:53:07,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 422 transitions. [2023-08-26 05:53:07,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:53:07,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 422 transitions. [2023-08-26 05:53:07,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 224.0) internal successors, (1344), 6 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,165 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 224.0) internal successors, (1344), 6 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,165 INFO L175 Difference]: Start difference. First operand has 33 places, 25 transitions, 118 flow. Second operand 5 states and 422 transitions. [2023-08-26 05:53:07,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 45 transitions, 266 flow [2023-08-26 05:53:07,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 45 transitions, 250 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-26 05:53:07,168 INFO L231 Difference]: Finished difference. Result has 36 places, 25 transitions, 130 flow [2023-08-26 05:53:07,168 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=130, PETRI_PLACES=36, PETRI_TRANSITIONS=25} [2023-08-26 05:53:07,169 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -14 predicate places. [2023-08-26 05:53:07,169 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 25 transitions, 130 flow [2023-08-26 05:53:07,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.8) internal successors, (394), 5 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,170 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:53:07,170 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:53:07,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-26 05:53:07,171 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-26 05:53:07,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:53:07,172 INFO L85 PathProgramCache]: Analyzing trace with hash 211822970, now seen corresponding path program 1 times [2023-08-26 05:53:07,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:53:07,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458193240] [2023-08-26 05:53:07,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:53:07,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:53:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:53:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:53:07,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:53:07,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458193240] [2023-08-26 05:53:07,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458193240] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:53:07,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:53:07,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-26 05:53:07,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180287081] [2023-08-26 05:53:07,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:53:07,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-26 05:53:07,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:53:07,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-26 05:53:07,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-26 05:53:07,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 224 [2023-08-26 05:53:07,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 25 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:53:07,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 224 [2023-08-26 05:53:07,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:53:07,256 INFO L124 PetriNetUnfolderBase]: 157/289 cut-off events. [2023-08-26 05:53:07,256 INFO L125 PetriNetUnfolderBase]: For 387/387 co-relation queries the response was YES. [2023-08-26 05:53:07,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 289 events. 157/289 cut-off events. For 387/387 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 979 event pairs, 97 based on Foata normal form. 1/290 useless extension candidates. Maximal degree in co-relation 919. Up to 217 conditions per place. [2023-08-26 05:53:07,257 INFO L140 encePairwiseOnDemand]: 221/224 looper letters, 27 selfloop transitions, 2 changer transitions 9/38 dead transitions. [2023-08-26 05:53:07,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 292 flow [2023-08-26 05:53:07,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-26 05:53:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-26 05:53:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2023-08-26 05:53:07,258 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37797619047619047 [2023-08-26 05:53:07,258 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 254 transitions. [2023-08-26 05:53:07,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 254 transitions. [2023-08-26 05:53:07,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:53:07,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 254 transitions. [2023-08-26 05:53:07,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,262 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,262 INFO L175 Difference]: Start difference. First operand has 36 places, 25 transitions, 130 flow. Second operand 3 states and 254 transitions. [2023-08-26 05:53:07,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 292 flow [2023-08-26 05:53:07,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 38 transitions, 242 flow, removed 12 selfloop flow, removed 3 redundant places. [2023-08-26 05:53:07,265 INFO L231 Difference]: Finished difference. Result has 36 places, 23 transitions, 104 flow [2023-08-26 05:53:07,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=36, PETRI_TRANSITIONS=23} [2023-08-26 05:53:07,267 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -14 predicate places. [2023-08-26 05:53:07,267 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 23 transitions, 104 flow [2023-08-26 05:53:07,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:53:07,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:53:07,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-26 05:53:07,269 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-26 05:53:07,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:53:07,269 INFO L85 PathProgramCache]: Analyzing trace with hash -2010212322, now seen corresponding path program 2 times [2023-08-26 05:53:07,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:53:07,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886088024] [2023-08-26 05:53:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:53:07,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:53:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:53:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:53:07,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:53:07,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886088024] [2023-08-26 05:53:07,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886088024] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:53:07,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:53:07,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 05:53:07,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221235940] [2023-08-26 05:53:07,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:53:07,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 05:53:07,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:53:07,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 05:53:07,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 05:53:07,327 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 224 [2023-08-26 05:53:07,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 23 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:53:07,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 224 [2023-08-26 05:53:07,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:53:07,371 INFO L124 PetriNetUnfolderBase]: 53/119 cut-off events. [2023-08-26 05:53:07,371 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2023-08-26 05:53:07,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 119 events. 53/119 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 361 event pairs, 2 based on Foata normal form. 1/120 useless extension candidates. Maximal degree in co-relation 389. Up to 74 conditions per place. [2023-08-26 05:53:07,371 INFO L140 encePairwiseOnDemand]: 221/224 looper letters, 26 selfloop transitions, 1 changer transitions 17/44 dead transitions. [2023-08-26 05:53:07,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 298 flow [2023-08-26 05:53:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 05:53:07,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 05:53:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 331 transitions. [2023-08-26 05:53:07,373 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36941964285714285 [2023-08-26 05:53:07,373 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 331 transitions. [2023-08-26 05:53:07,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 331 transitions. [2023-08-26 05:53:07,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:53:07,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 331 transitions. [2023-08-26 05:53:07,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,375 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,375 INFO L175 Difference]: Start difference. First operand has 36 places, 23 transitions, 104 flow. Second operand 4 states and 331 transitions. [2023-08-26 05:53:07,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 298 flow [2023-08-26 05:53:07,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 44 transitions, 275 flow, removed 3 selfloop flow, removed 5 redundant places. [2023-08-26 05:53:07,377 INFO L231 Difference]: Finished difference. Result has 36 places, 23 transitions, 97 flow [2023-08-26 05:53:07,377 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=97, PETRI_PLACES=36, PETRI_TRANSITIONS=23} [2023-08-26 05:53:07,378 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -14 predicate places. [2023-08-26 05:53:07,378 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 23 transitions, 97 flow [2023-08-26 05:53:07,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-26 05:53:07,381 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-26 05:53:07,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-26 05:53:07,382 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONASSERT === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2023-08-26 05:53:07,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-26 05:53:07,382 INFO L85 PathProgramCache]: Analyzing trace with hash -819561540, now seen corresponding path program 3 times [2023-08-26 05:53:07,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-26 05:53:07,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919345807] [2023-08-26 05:53:07,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-26 05:53:07,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-26 05:53:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-26 05:53:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-26 05:53:07,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-26 05:53:07,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919345807] [2023-08-26 05:53:07,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919345807] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-26 05:53:07,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-26 05:53:07,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-26 05:53:07,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490261228] [2023-08-26 05:53:07,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-26 05:53:07,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-26 05:53:07,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-26 05:53:07,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-26 05:53:07,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-26 05:53:07,429 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 224 [2023-08-26 05:53:07,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 23 transitions, 97 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-26 05:53:07,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 224 [2023-08-26 05:53:07,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-26 05:53:07,463 INFO L124 PetriNetUnfolderBase]: 44/106 cut-off events. [2023-08-26 05:53:07,463 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2023-08-26 05:53:07,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 106 events. 44/106 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 301 event pairs, 14 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 334. Up to 48 conditions per place. [2023-08-26 05:53:07,463 INFO L140 encePairwiseOnDemand]: 221/224 looper letters, 0 selfloop transitions, 0 changer transitions 33/33 dead transitions. [2023-08-26 05:53:07,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 33 transitions, 213 flow [2023-08-26 05:53:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-26 05:53:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-26 05:53:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 325 transitions. [2023-08-26 05:53:07,465 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3627232142857143 [2023-08-26 05:53:07,465 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 325 transitions. [2023-08-26 05:53:07,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 325 transitions. [2023-08-26 05:53:07,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-26 05:53:07,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 325 transitions. [2023-08-26 05:53:07,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,467 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 224.0) internal successors, (1120), 5 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,467 INFO L175 Difference]: Start difference. First operand has 36 places, 23 transitions, 97 flow. Second operand 4 states and 325 transitions. [2023-08-26 05:53:07,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 33 transitions, 213 flow [2023-08-26 05:53:07,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 33 transitions, 211 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-26 05:53:07,468 INFO L231 Difference]: Finished difference. Result has 36 places, 0 transitions, 0 flow [2023-08-26 05:53:07,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=36, PETRI_TRANSITIONS=0} [2023-08-26 05:53:07,469 INFO L281 CegarLoopForPetriNet]: 50 programPoint places, -14 predicate places. [2023-08-26 05:53:07,469 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 0 transitions, 0 flow [2023-08-26 05:53:07,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-26 05:53:07,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2023-08-26 05:53:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2023-08-26 05:53:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2023-08-26 05:53:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2023-08-26 05:53:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2023-08-26 05:53:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2023-08-26 05:53:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2023-08-26 05:53:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2023-08-26 05:53:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2023-08-26 05:53:07,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2023-08-26 05:53:07,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2023-08-26 05:53:07,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2023-08-26 05:53:07,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONASSERT (17 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2023-08-26 05:53:07,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 40 remaining) [2023-08-26 05:53:07,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 40 remaining) [2023-08-26 05:53:07,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2023-08-26 05:53:07,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2023-08-26 05:53:07,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2023-08-26 05:53:07,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2023-08-26 05:53:07,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2023-08-26 05:53:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2023-08-26 05:53:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2023-08-26 05:53:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2023-08-26 05:53:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2023-08-26 05:53:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2023-08-26 05:53:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2023-08-26 05:53:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2023-08-26 05:53:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2023-08-26 05:53:07,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2023-08-26 05:53:07,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-26 05:53:07,478 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2023-08-26 05:53:07,486 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-26 05:53:07,486 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-26 05:53:07,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 05:53:07 BasicIcfg [2023-08-26 05:53:07,488 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-26 05:53:07,489 INFO L158 Benchmark]: Toolchain (without parser) took 5563.86ms. Allocated memory was 371.2MB in the beginning and 499.1MB in the end (delta: 127.9MB). Free memory was 345.1MB in the beginning and 287.7MB in the end (delta: 57.4MB). Peak memory consumption was 186.5MB. Max. memory is 16.0GB. [2023-08-26 05:53:07,489 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 371.2MB. Free memory is still 346.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 05:53:07,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.70ms. Allocated memory is still 371.2MB. Free memory was 345.1MB in the beginning and 324.3MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-08-26 05:53:07,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.69ms. Allocated memory is still 371.2MB. Free memory was 324.3MB in the beginning and 322.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 05:53:07,490 INFO L158 Benchmark]: Boogie Preprocessor took 20.73ms. Allocated memory is still 371.2MB. Free memory was 322.3MB in the beginning and 320.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-26 05:53:07,491 INFO L158 Benchmark]: RCFGBuilder took 434.70ms. Allocated memory is still 371.2MB. Free memory was 320.6MB in the beginning and 290.3MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-26 05:53:07,491 INFO L158 Benchmark]: TraceAbstraction took 4707.18ms. Allocated memory was 371.2MB in the beginning and 499.1MB in the end (delta: 127.9MB). Free memory was 289.8MB in the beginning and 287.7MB in the end (delta: 2.2MB). Peak memory consumption was 132.0MB. Max. memory is 16.0GB. [2023-08-26 05:53:07,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 371.2MB. Free memory is still 346.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 367.70ms. Allocated memory is still 371.2MB. Free memory was 345.1MB in the beginning and 324.3MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 28.69ms. Allocated memory is still 371.2MB. Free memory was 324.3MB in the beginning and 322.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 20.73ms. Allocated memory is still 371.2MB. Free memory was 322.3MB in the beginning and 320.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 434.70ms. Allocated memory is still 371.2MB. Free memory was 320.6MB in the beginning and 290.3MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * TraceAbstraction took 4707.18ms. Allocated memory was 371.2MB in the beginning and 499.1MB in the end (delta: 127.9MB). Free memory was 289.8MB in the beginning and 287.7MB in the end (delta: 2.2MB). Peak memory consumption was 132.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 119 PlacesBefore, 50 PlacesAfterwards, 112 TransitionsBefore, 41 TransitionsAfterwards, 3960 CoEnabledTransitionPairs, 7 FixpointIterations, 20 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 109 TotalNumberOfCompositions, 14592 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5713, independent: 5431, independent conditional: 0, independent unconditional: 5431, dependent: 282, dependent conditional: 0, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2371, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5713, independent: 3133, independent conditional: 0, independent unconditional: 3133, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 2371, unknown conditional: 0, unknown unconditional: 2371] , Statistics on independence cache: Total cache size (in pairs): 242, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 17]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 151 locations, 40 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 333 IncrementalHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=5, InterpolantAutomatonStates: 28, 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, 0.5s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-26 05:53:07,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...