/usr/bin/java -Xmx8000000000 -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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:41:08,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:41:08,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:41:08,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 11:41:08,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:41:08,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:41:08,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:41:08,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:41:08,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:41:08,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:41:08,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:41:08,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:41:08,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:41:08,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:41:08,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:41:08,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:41:08,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 11:41:08,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:41:08,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:41:08,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:41:08,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-09-16 11:41:08,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:41:08,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:41:08,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:41:08,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:41:08,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:41:08,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:41:08,564 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:41:08,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:41:08,564 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:41:08,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:41:08,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:41:08,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:41:08,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:41:08,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:41:08,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:41:08,565 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:41:08,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:41:08,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:41:08,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:41:08,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:41:08,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:41:08,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:41:08,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:41:08,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:41:08,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:41:08,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:41:08,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:41:08,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:41:08,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:41:08,567 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:41:08,567 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:41:08,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:41:08,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:41:08,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:41:08,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:41:08,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:41:08,770 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:41:08,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i [2022-09-16 11:41:08,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876a419f0/d8d0b69c808f4632be1cf7ed5c7b5b9d/FLAGbd4db7a05 [2022-09-16 11:41:09,184 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:41:09,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i [2022-09-16 11:41:09,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876a419f0/d8d0b69c808f4632be1cf7ed5c7b5b9d/FLAGbd4db7a05 [2022-09-16 11:41:09,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/876a419f0/d8d0b69c808f4632be1cf7ed5c7b5b9d [2022-09-16 11:41:09,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:41:09,564 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:41:09,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:41:09,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:41:09,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:41:09,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28380961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09, skipping insertion in model container [2022-09-16 11:41:09,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:41:09,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:41:09,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i[1086,1099] [2022-09-16 11:41:09,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:41:09,842 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:41:09,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i[1086,1099] [2022-09-16 11:41:09,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:41:09,896 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:41:09,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09 WrapperNode [2022-09-16 11:41:09,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:41:09,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:41:09,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:41:09,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:41:09,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,938 INFO L138 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 80 [2022-09-16 11:41:09,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:41:09,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:41:09,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:41:09,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:41:09,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:41:09,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:41:09,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:41:09,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:41:09,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (1/1) ... [2022-09-16 11:41:09,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:41:09,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:41:09,998 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) [2022-09-16 11:41:10,011 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 [2022-09-16 11:41:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 11:41:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:41:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 11:41:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:41:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:41:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-16 11:41:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-16 11:41:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:41:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:41:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:41:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:41:10,040 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 11:41:10,175 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:41:10,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:41:10,312 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:41:10,317 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:41:10,317 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 11:41:10,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:41:10 BoogieIcfgContainer [2022-09-16 11:41:10,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:41:10,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:41:10,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:41:10,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:41:10,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:41:09" (1/3) ... [2022-09-16 11:41:10,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d504e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:41:10, skipping insertion in model container [2022-09-16 11:41:10,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:09" (2/3) ... [2022-09-16 11:41:10,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d504e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:41:10, skipping insertion in model container [2022-09-16 11:41:10,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:41:10" (3/3) ... [2022-09-16 11:41:10,329 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_25-struct_nr_true.i [2022-09-16 11:41:10,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:41:10,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 11:41:10,343 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:41:10,388 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-16 11:41:10,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 100 places, 100 transitions, 208 flow [2022-09-16 11:41:10,444 INFO L130 PetriNetUnfolder]: 4/99 cut-off events. [2022-09-16 11:41:10,445 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-09-16 11:41:10,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 99 events. 4/99 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2022-09-16 11:41:10,448 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 100 transitions, 208 flow [2022-09-16 11:41:10,453 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 91 transitions, 185 flow [2022-09-16 11:41:10,459 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:41:10,465 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;@2fd717c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:41:10,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-09-16 11:41:10,478 INFO L130 PetriNetUnfolder]: 1/45 cut-off events. [2022-09-16 11:41:10,479 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:41:10,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:10,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:10,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 11:41:10,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:10,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1539213655, now seen corresponding path program 1 times [2022-09-16 11:41:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:10,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007104145] [2022-09-16 11:41:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:10,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:41:10,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:10,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007104145] [2022-09-16 11:41:10,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007104145] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:10,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:10,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:41:10,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437065222] [2022-09-16 11:41:10,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:10,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:41:10,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:10,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:41:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:41:10,672 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 100 [2022-09-16 11:41:10,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 91 transitions, 185 flow. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 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) [2022-09-16 11:41:10,675 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:10,675 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 100 [2022-09-16 11:41:10,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:10,768 INFO L130 PetriNetUnfolder]: 45/281 cut-off events. [2022-09-16 11:41:10,769 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-09-16 11:41:10,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 281 events. 45/281 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1297 event pairs, 6 based on Foata normal form. 30/275 useless extension candidates. Maximal degree in co-relation 358. Up to 46 conditions per place. [2022-09-16 11:41:10,771 INFO L137 encePairwiseOnDemand]: 87/100 looper letters, 32 selfloop transitions, 10 changer transitions 6/109 dead transitions. [2022-09-16 11:41:10,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 109 transitions, 309 flow [2022-09-16 11:41:10,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:41:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:41:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 422 transitions. [2022-09-16 11:41:10,783 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.844 [2022-09-16 11:41:10,783 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 422 transitions. [2022-09-16 11:41:10,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 422 transitions. [2022-09-16 11:41:10,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:10,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 422 transitions. [2022-09-16 11:41:10,789 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) [2022-09-16 11:41:10,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 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) [2022-09-16 11:41:10,793 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 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) [2022-09-16 11:41:10,794 INFO L175 Difference]: Start difference. First operand has 91 places, 91 transitions, 185 flow. Second operand 5 states and 422 transitions. [2022-09-16 11:41:10,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 109 transitions, 309 flow [2022-09-16 11:41:10,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 109 transitions, 308 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:41:10,799 INFO L231 Difference]: Finished difference. Result has 94 places, 87 transitions, 236 flow [2022-09-16 11:41:10,800 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=236, PETRI_PLACES=94, PETRI_TRANSITIONS=87} [2022-09-16 11:41:10,802 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 3 predicate places. [2022-09-16 11:41:10,802 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 87 transitions, 236 flow [2022-09-16 11:41:10,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 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) [2022-09-16 11:41:10,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:10,803 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:10,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:41:10,803 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 11:41:10,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:10,804 INFO L85 PathProgramCache]: Analyzing trace with hash -470982817, now seen corresponding path program 1 times [2022-09-16 11:41:10,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:10,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929189870] [2022-09-16 11:41:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:10,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:41:10,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:10,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929189870] [2022-09-16 11:41:10,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929189870] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:10,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:10,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:41:10,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626165392] [2022-09-16 11:41:10,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:10,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:41:10,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:10,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:41:10,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:41:10,876 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 100 [2022-09-16 11:41:10,876 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 87 transitions, 236 flow. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 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) [2022-09-16 11:41:10,876 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:10,876 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 100 [2022-09-16 11:41:10,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:10,965 INFO L130 PetriNetUnfolder]: 48/316 cut-off events. [2022-09-16 11:41:10,965 INFO L131 PetriNetUnfolder]: For 112/120 co-relation queries the response was YES. [2022-09-16 11:41:10,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 316 events. 48/316 cut-off events. For 112/120 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1641 event pairs, 14 based on Foata normal form. 8/292 useless extension candidates. Maximal degree in co-relation 520. Up to 68 conditions per place. [2022-09-16 11:41:10,972 INFO L137 encePairwiseOnDemand]: 92/100 looper letters, 32 selfloop transitions, 14 changer transitions 0/107 dead transitions. [2022-09-16 11:41:10,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 107 transitions, 406 flow [2022-09-16 11:41:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:41:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:41:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 403 transitions. [2022-09-16 11:41:10,985 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.806 [2022-09-16 11:41:10,985 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 403 transitions. [2022-09-16 11:41:10,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 403 transitions. [2022-09-16 11:41:10,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:10,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 403 transitions. [2022-09-16 11:41:10,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 80.6) internal successors, (403), 5 states have internal predecessors, (403), 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) [2022-09-16 11:41:10,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 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) [2022-09-16 11:41:10,988 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 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) [2022-09-16 11:41:10,988 INFO L175 Difference]: Start difference. First operand has 94 places, 87 transitions, 236 flow. Second operand 5 states and 403 transitions. [2022-09-16 11:41:10,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 107 transitions, 406 flow [2022-09-16 11:41:10,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 107 transitions, 406 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-09-16 11:41:10,992 INFO L231 Difference]: Finished difference. Result has 96 places, 95 transitions, 345 flow [2022-09-16 11:41:10,992 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=345, PETRI_PLACES=96, PETRI_TRANSITIONS=95} [2022-09-16 11:41:10,993 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 5 predicate places. [2022-09-16 11:41:10,993 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 95 transitions, 345 flow [2022-09-16 11:41:10,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 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) [2022-09-16 11:41:10,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:10,993 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:10,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:41:10,994 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 11:41:10,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:10,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1634394879, now seen corresponding path program 1 times [2022-09-16 11:41:10,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:10,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549247589] [2022-09-16 11:41:10,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:10,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:41:11,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:11,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549247589] [2022-09-16 11:41:11,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549247589] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:11,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:11,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 11:41:11,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168029435] [2022-09-16 11:41:11,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:11,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 11:41:11,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:11,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 11:41:11,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-16 11:41:11,068 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 100 [2022-09-16 11:41:11,069 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 95 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 70.0) internal successors, (420), 6 states have internal predecessors, (420), 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) [2022-09-16 11:41:11,070 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:11,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 100 [2022-09-16 11:41:11,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:11,277 INFO L130 PetriNetUnfolder]: 71/358 cut-off events. [2022-09-16 11:41:11,277 INFO L131 PetriNetUnfolder]: For 321/339 co-relation queries the response was YES. [2022-09-16 11:41:11,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 358 events. 71/358 cut-off events. For 321/339 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1947 event pairs, 4 based on Foata normal form. 8/335 useless extension candidates. Maximal degree in co-relation 740. Up to 44 conditions per place. [2022-09-16 11:41:11,281 INFO L137 encePairwiseOnDemand]: 90/100 looper letters, 40 selfloop transitions, 28 changer transitions 4/129 dead transitions. [2022-09-16 11:41:11,282 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 129 transitions, 603 flow [2022-09-16 11:41:11,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-16 11:41:11,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-09-16 11:41:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 747 transitions. [2022-09-16 11:41:11,284 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.747 [2022-09-16 11:41:11,284 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 747 transitions. [2022-09-16 11:41:11,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 747 transitions. [2022-09-16 11:41:11,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:11,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 747 transitions. [2022-09-16 11:41:11,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 74.7) internal successors, (747), 10 states have internal predecessors, (747), 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) [2022-09-16 11:41:11,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 100.0) internal successors, (1100), 11 states have internal predecessors, (1100), 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) [2022-09-16 11:41:11,289 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 100.0) internal successors, (1100), 11 states have internal predecessors, (1100), 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) [2022-09-16 11:41:11,289 INFO L175 Difference]: Start difference. First operand has 96 places, 95 transitions, 345 flow. Second operand 10 states and 747 transitions. [2022-09-16 11:41:11,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 129 transitions, 603 flow [2022-09-16 11:41:11,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 129 transitions, 593 flow, removed 5 selfloop flow, removed 0 redundant places. [2022-09-16 11:41:11,296 INFO L231 Difference]: Finished difference. Result has 110 places, 104 transitions, 488 flow [2022-09-16 11:41:11,297 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=488, PETRI_PLACES=110, PETRI_TRANSITIONS=104} [2022-09-16 11:41:11,298 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 19 predicate places. [2022-09-16 11:41:11,298 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 104 transitions, 488 flow [2022-09-16 11:41:11,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.0) internal successors, (420), 6 states have internal predecessors, (420), 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) [2022-09-16 11:41:11,299 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:11,299 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:11,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:41:11,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 11:41:11,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:11,300 INFO L85 PathProgramCache]: Analyzing trace with hash 873366480, now seen corresponding path program 1 times [2022-09-16 11:41:11,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:11,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544444038] [2022-09-16 11:41:11,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:11,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:41:11,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:11,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544444038] [2022-09-16 11:41:11,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544444038] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:11,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:11,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 11:41:11,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364716684] [2022-09-16 11:41:11,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:11,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 11:41:11,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:11,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 11:41:11,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-09-16 11:41:11,380 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 100 [2022-09-16 11:41:11,381 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 104 transitions, 488 flow. Second operand has 6 states, 6 states have (on average 70.16666666666667) internal successors, (421), 6 states have internal predecessors, (421), 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) [2022-09-16 11:41:11,381 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:11,381 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 100 [2022-09-16 11:41:11,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:11,481 INFO L130 PetriNetUnfolder]: 60/356 cut-off events. [2022-09-16 11:41:11,481 INFO L131 PetriNetUnfolder]: For 547/562 co-relation queries the response was YES. [2022-09-16 11:41:11,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 356 events. 60/356 cut-off events. For 547/562 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1947 event pairs, 17 based on Foata normal form. 16/349 useless extension candidates. Maximal degree in co-relation 787. Up to 91 conditions per place. [2022-09-16 11:41:11,483 INFO L137 encePairwiseOnDemand]: 90/100 looper letters, 42 selfloop transitions, 15 changer transitions 11/124 dead transitions. [2022-09-16 11:41:11,483 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 124 transitions, 688 flow [2022-09-16 11:41:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-16 11:41:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-09-16 11:41:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 665 transitions. [2022-09-16 11:41:11,485 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7388888888888889 [2022-09-16 11:41:11,485 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 665 transitions. [2022-09-16 11:41:11,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 665 transitions. [2022-09-16 11:41:11,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:11,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 665 transitions. [2022-09-16 11:41:11,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 73.88888888888889) internal successors, (665), 9 states have internal predecessors, (665), 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) [2022-09-16 11:41:11,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 100.0) internal successors, (1000), 10 states have internal predecessors, (1000), 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) [2022-09-16 11:41:11,489 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 100.0) internal successors, (1000), 10 states have internal predecessors, (1000), 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) [2022-09-16 11:41:11,489 INFO L175 Difference]: Start difference. First operand has 110 places, 104 transitions, 488 flow. Second operand 9 states and 665 transitions. [2022-09-16 11:41:11,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 124 transitions, 688 flow [2022-09-16 11:41:11,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 124 transitions, 637 flow, removed 11 selfloop flow, removed 3 redundant places. [2022-09-16 11:41:11,495 INFO L231 Difference]: Finished difference. Result has 118 places, 101 transitions, 463 flow [2022-09-16 11:41:11,495 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=463, PETRI_PLACES=118, PETRI_TRANSITIONS=101} [2022-09-16 11:41:11,496 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 27 predicate places. [2022-09-16 11:41:11,496 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 101 transitions, 463 flow [2022-09-16 11:41:11,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.16666666666667) internal successors, (421), 6 states have internal predecessors, (421), 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) [2022-09-16 11:41:11,497 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:11,497 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:11,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:41:11,501 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 11:41:11,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:11,503 INFO L85 PathProgramCache]: Analyzing trace with hash -345653545, now seen corresponding path program 1 times [2022-09-16 11:41:11,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:11,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010860929] [2022-09-16 11:41:11,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:11,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:41:11,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:11,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010860929] [2022-09-16 11:41:11,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010860929] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:11,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:11,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:41:11,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8328088] [2022-09-16 11:41:11,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:11,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 11:41:11,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:11,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 11:41:11,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 11:41:11,553 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 100 [2022-09-16 11:41:11,554 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 101 transitions, 463 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2022-09-16 11:41:11,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:11,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 100 [2022-09-16 11:41:11,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:11,569 INFO L130 PetriNetUnfolder]: 0/90 cut-off events. [2022-09-16 11:41:11,569 INFO L131 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2022-09-16 11:41:11,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 90 events. 0/90 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 2/89 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2022-09-16 11:41:11,569 INFO L137 encePairwiseOnDemand]: 97/100 looper letters, 7 selfloop transitions, 3 changer transitions 5/79 dead transitions. [2022-09-16 11:41:11,570 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 79 transitions, 277 flow [2022-09-16 11:41:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 11:41:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-16 11:41:11,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2022-09-16 11:41:11,572 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.84 [2022-09-16 11:41:11,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 252 transitions. [2022-09-16 11:41:11,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 252 transitions. [2022-09-16 11:41:11,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:11,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 252 transitions. [2022-09-16 11:41:11,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 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) [2022-09-16 11:41:11,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 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) [2022-09-16 11:41:11,573 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 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) [2022-09-16 11:41:11,573 INFO L175 Difference]: Start difference. First operand has 118 places, 101 transitions, 463 flow. Second operand 3 states and 252 transitions. [2022-09-16 11:41:11,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 79 transitions, 277 flow [2022-09-16 11:41:11,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 79 transitions, 221 flow, removed 8 selfloop flow, removed 19 redundant places. [2022-09-16 11:41:11,575 INFO L231 Difference]: Finished difference. Result has 97 places, 74 transitions, 186 flow [2022-09-16 11:41:11,575 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=97, PETRI_TRANSITIONS=74} [2022-09-16 11:41:11,576 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, 6 predicate places. [2022-09-16 11:41:11,576 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 74 transitions, 186 flow [2022-09-16 11:41:11,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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) [2022-09-16 11:41:11,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:11,576 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:11,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 11:41:11,577 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 11:41:11,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:11,577 INFO L85 PathProgramCache]: Analyzing trace with hash 13756918, now seen corresponding path program 1 times [2022-09-16 11:41:11,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:11,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010965579] [2022-09-16 11:41:11,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:11,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:41:11,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:11,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010965579] [2022-09-16 11:41:11,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010965579] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:11,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:11,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:41:11,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189232442] [2022-09-16 11:41:11,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:11,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:41:11,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:11,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:41:11,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:41:11,652 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 100 [2022-09-16 11:41:11,652 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 74 transitions, 186 flow. Second operand has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 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) [2022-09-16 11:41:11,652 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:11,652 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 100 [2022-09-16 11:41:11,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:11,688 INFO L130 PetriNetUnfolder]: 0/75 cut-off events. [2022-09-16 11:41:11,688 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-09-16 11:41:11,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 75 events. 0/75 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 13 event pairs, 0 based on Foata normal form. 1/76 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2022-09-16 11:41:11,689 INFO L137 encePairwiseOnDemand]: 94/100 looper letters, 13 selfloop transitions, 5 changer transitions 0/73 dead transitions. [2022-09-16 11:41:11,689 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 73 transitions, 215 flow [2022-09-16 11:41:11,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 11:41:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-09-16 11:41:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 516 transitions. [2022-09-16 11:41:11,690 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7371428571428571 [2022-09-16 11:41:11,690 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 516 transitions. [2022-09-16 11:41:11,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 516 transitions. [2022-09-16 11:41:11,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:11,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 516 transitions. [2022-09-16 11:41:11,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 73.71428571428571) internal successors, (516), 7 states have internal predecessors, (516), 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) [2022-09-16 11:41:11,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 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) [2022-09-16 11:41:11,693 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 states have internal predecessors, (800), 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) [2022-09-16 11:41:11,693 INFO L175 Difference]: Start difference. First operand has 97 places, 74 transitions, 186 flow. Second operand 7 states and 516 transitions. [2022-09-16 11:41:11,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 73 transitions, 215 flow [2022-09-16 11:41:11,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 73 transitions, 194 flow, removed 3 selfloop flow, removed 6 redundant places. [2022-09-16 11:41:11,694 INFO L231 Difference]: Finished difference. Result has 88 places, 73 transitions, 168 flow [2022-09-16 11:41:11,695 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=168, PETRI_PLACES=88, PETRI_TRANSITIONS=73} [2022-09-16 11:41:11,696 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, -3 predicate places. [2022-09-16 11:41:11,697 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 73 transitions, 168 flow [2022-09-16 11:41:11,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 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) [2022-09-16 11:41:11,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:11,697 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:11,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 11:41:11,697 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 11:41:11,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:11,698 INFO L85 PathProgramCache]: Analyzing trace with hash 2059271282, now seen corresponding path program 1 times [2022-09-16 11:41:11,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:11,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979908679] [2022-09-16 11:41:11,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:11,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:11,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:41:11,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:11,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979908679] [2022-09-16 11:41:11,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979908679] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:11,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:11,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:41:11,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740283592] [2022-09-16 11:41:11,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:11,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:41:11,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:11,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:41:11,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:41:11,764 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 100 [2022-09-16 11:41:11,764 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 73 transitions, 168 flow. Second operand has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 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) [2022-09-16 11:41:11,764 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:11,764 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 100 [2022-09-16 11:41:11,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:11,797 INFO L130 PetriNetUnfolder]: 0/74 cut-off events. [2022-09-16 11:41:11,798 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-09-16 11:41:11,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 74 events. 0/74 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 11 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2022-09-16 11:41:11,798 INFO L137 encePairwiseOnDemand]: 93/100 looper letters, 11 selfloop transitions, 6 changer transitions 0/72 dead transitions. [2022-09-16 11:41:11,799 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 72 transitions, 199 flow [2022-09-16 11:41:11,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 11:41:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-09-16 11:41:11,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 444 transitions. [2022-09-16 11:41:11,800 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.74 [2022-09-16 11:41:11,800 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 444 transitions. [2022-09-16 11:41:11,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 444 transitions. [2022-09-16 11:41:11,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:11,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 444 transitions. [2022-09-16 11:41:11,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 74.0) internal successors, (444), 6 states have internal predecessors, (444), 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) [2022-09-16 11:41:11,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 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) [2022-09-16 11:41:11,802 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 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) [2022-09-16 11:41:11,802 INFO L175 Difference]: Start difference. First operand has 88 places, 73 transitions, 168 flow. Second operand 6 states and 444 transitions. [2022-09-16 11:41:11,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 72 transitions, 199 flow [2022-09-16 11:41:11,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 72 transitions, 192 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:41:11,804 INFO L231 Difference]: Finished difference. Result has 87 places, 72 transitions, 170 flow [2022-09-16 11:41:11,804 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=170, PETRI_PLACES=87, PETRI_TRANSITIONS=72} [2022-09-16 11:41:11,805 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, -4 predicate places. [2022-09-16 11:41:11,805 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 72 transitions, 170 flow [2022-09-16 11:41:11,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 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) [2022-09-16 11:41:11,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:11,806 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:11,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 11:41:11,806 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 11:41:11,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:11,806 INFO L85 PathProgramCache]: Analyzing trace with hash -440563820, now seen corresponding path program 1 times [2022-09-16 11:41:11,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:11,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364456490] [2022-09-16 11:41:11,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:11,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:41:11,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:11,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364456490] [2022-09-16 11:41:11,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364456490] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:11,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:11,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-16 11:41:11,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712542485] [2022-09-16 11:41:11,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:11,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 11:41:11,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:11,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 11:41:11,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-09-16 11:41:11,902 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 100 [2022-09-16 11:41:11,902 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 72 transitions, 170 flow. Second operand has 7 states, 7 states have (on average 68.57142857142857) internal successors, (480), 7 states have internal predecessors, (480), 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) [2022-09-16 11:41:11,902 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:11,902 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 100 [2022-09-16 11:41:11,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:11,967 INFO L130 PetriNetUnfolder]: 0/73 cut-off events. [2022-09-16 11:41:11,967 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-09-16 11:41:11,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 73 events. 0/73 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2022-09-16 11:41:11,968 INFO L137 encePairwiseOnDemand]: 93/100 looper letters, 13 selfloop transitions, 6 changer transitions 0/71 dead transitions. [2022-09-16 11:41:11,968 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 71 transitions, 205 flow [2022-09-16 11:41:11,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 11:41:11,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-09-16 11:41:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 548 transitions. [2022-09-16 11:41:11,970 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.685 [2022-09-16 11:41:11,970 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 548 transitions. [2022-09-16 11:41:11,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 548 transitions. [2022-09-16 11:41:11,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:11,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 548 transitions. [2022-09-16 11:41:11,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 68.5) internal successors, (548), 8 states have internal predecessors, (548), 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) [2022-09-16 11:41:11,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 100.0) internal successors, (900), 9 states have internal predecessors, (900), 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) [2022-09-16 11:41:11,975 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 100.0) internal successors, (900), 9 states have internal predecessors, (900), 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) [2022-09-16 11:41:11,975 INFO L175 Difference]: Start difference. First operand has 87 places, 72 transitions, 170 flow. Second operand 8 states and 548 transitions. [2022-09-16 11:41:11,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 71 transitions, 205 flow [2022-09-16 11:41:11,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 71 transitions, 198 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:41:11,976 INFO L231 Difference]: Finished difference. Result has 88 places, 71 transitions, 172 flow [2022-09-16 11:41:11,977 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=172, PETRI_PLACES=88, PETRI_TRANSITIONS=71} [2022-09-16 11:41:11,979 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, -3 predicate places. [2022-09-16 11:41:11,979 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 71 transitions, 172 flow [2022-09-16 11:41:11,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 68.57142857142857) internal successors, (480), 7 states have internal predecessors, (480), 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) [2022-09-16 11:41:11,979 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:11,979 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:11,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 11:41:11,979 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-09-16 11:41:11,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:11,980 INFO L85 PathProgramCache]: Analyzing trace with hash -772576355, now seen corresponding path program 1 times [2022-09-16 11:41:11,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:11,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471287831] [2022-09-16 11:41:11,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:11,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:41:12,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:12,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471287831] [2022-09-16 11:41:12,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471287831] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:12,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:12,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-16 11:41:12,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165527125] [2022-09-16 11:41:12,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:12,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 11:41:12,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:12,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 11:41:12,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-09-16 11:41:12,045 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 100 [2022-09-16 11:41:12,046 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 71 transitions, 172 flow. Second operand has 7 states, 7 states have (on average 68.71428571428571) internal successors, (481), 7 states have internal predecessors, (481), 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) [2022-09-16 11:41:12,046 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:12,046 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 100 [2022-09-16 11:41:12,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:12,097 INFO L130 PetriNetUnfolder]: 0/72 cut-off events. [2022-09-16 11:41:12,097 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-09-16 11:41:12,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 72 events. 0/72 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2022-09-16 11:41:12,098 INFO L137 encePairwiseOnDemand]: 91/100 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2022-09-16 11:41:12,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 70 transitions, 205 flow [2022-09-16 11:41:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-16 11:41:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-09-16 11:41:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 613 transitions. [2022-09-16 11:41:12,099 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6811111111111111 [2022-09-16 11:41:12,100 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 613 transitions. [2022-09-16 11:41:12,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 613 transitions. [2022-09-16 11:41:12,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:12,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 613 transitions. [2022-09-16 11:41:12,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 68.11111111111111) internal successors, (613), 9 states have internal predecessors, (613), 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) [2022-09-16 11:41:12,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 100.0) internal successors, (1000), 10 states have internal predecessors, (1000), 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) [2022-09-16 11:41:12,103 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 100.0) internal successors, (1000), 10 states have internal predecessors, (1000), 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) [2022-09-16 11:41:12,103 INFO L175 Difference]: Start difference. First operand has 88 places, 71 transitions, 172 flow. Second operand 9 states and 613 transitions. [2022-09-16 11:41:12,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 70 transitions, 205 flow [2022-09-16 11:41:12,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 70 transitions, 194 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-09-16 11:41:12,104 INFO L231 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2022-09-16 11:41:12,104 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2022-09-16 11:41:12,105 INFO L287 CegarLoopForPetriNet]: 91 programPoint places, -3 predicate places. [2022-09-16 11:41:12,107 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 0 transitions, 0 flow [2022-09-16 11:41:12,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 68.71428571428571) internal successors, (481), 7 states have internal predecessors, (481), 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) [2022-09-16 11:41:12,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-09-16 11:41:12,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-09-16 11:41:12,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-09-16 11:41:12,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-09-16 11:41:12,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-09-16 11:41:12,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 11:41:12,110 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:41:12,114 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:41:12,114 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:41:12,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:41:12 BasicIcfg [2022-09-16 11:41:12,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:41:12,121 INFO L158 Benchmark]: Toolchain (without parser) took 2557.59ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 120.4MB in the beginning and 153.3MB in the end (delta: -32.9MB). Peak memory consumption was 3.3MB. Max. memory is 8.0GB. [2022-09-16 11:41:12,121 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:41:12,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.72ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 120.1MB in the beginning and 179.4MB in the end (delta: -59.3MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. [2022-09-16 11:41:12,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.46ms. Allocated memory is still 212.9MB. Free memory was 179.4MB in the beginning and 177.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:41:12,124 INFO L158 Benchmark]: Boogie Preprocessor took 26.03ms. Allocated memory is still 212.9MB. Free memory was 177.3MB in the beginning and 176.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 11:41:12,124 INFO L158 Benchmark]: RCFGBuilder took 353.16ms. Allocated memory is still 212.9MB. Free memory was 176.3MB in the beginning and 162.7MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-09-16 11:41:12,125 INFO L158 Benchmark]: TraceAbstraction took 1801.16ms. Allocated memory is still 212.9MB. Free memory was 162.1MB in the beginning and 153.3MB in the end (delta: 8.8MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. [2022-09-16 11:41:12,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 332.72ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 120.1MB in the beginning and 179.4MB in the end (delta: -59.3MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.46ms. Allocated memory is still 212.9MB. Free memory was 179.4MB in the beginning and 177.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.03ms. Allocated memory is still 212.9MB. Free memory was 177.3MB in the beginning and 176.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 353.16ms. Allocated memory is still 212.9MB. Free memory was 176.3MB in the beginning and 162.7MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1801.16ms. Allocated memory is still 212.9MB. Free memory was 162.1MB in the beginning and 153.3MB in the end (delta: 8.8MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 702]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 704]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 704]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 125 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 190 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 396 IncrementalHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 88 mSDtfsCounter, 396 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=488occurred in iteration=3, InterpolantAutomatonStates: 62, 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, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 1193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 11:41:12,153 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...