/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/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:41:49,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:41:49,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:41:49,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 11:41:49,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:41:49,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:41:49,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:41:49,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:41:49,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:41:49,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:41:49,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:41:49,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:41:49,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:41:49,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:41:49,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:41:49,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:41:49,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 11:41:49,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:41:49,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:41:49,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:41:49,411 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 11:41:49,441 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:41:49,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:41:49,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:41:49,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:41:49,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:41:49,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:41:49,443 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:41:49,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:41:49,444 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:41:49,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:41:49,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:41:49,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:41:49,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:41:49,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:41:49,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:41:49,445 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:41:49,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:41:49,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:41:49,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:41:49,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:41:49,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:41:49,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:41:49,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:41:49,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:41:49,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:41:49,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:41:49,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:41:49,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:41:49,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:41:49,448 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:41:49,448 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:41:49,448 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:41:49,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:41:49,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:41:49,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:41:49,732 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:41:49,733 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:41:49,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2022-09-16 11:41:49,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6574b541/13819ef08add45988ddfdaf29245505f/FLAG23e7e59b0 [2022-09-16 11:41:50,342 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:41:50,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2022-09-16 11:41:50,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6574b541/13819ef08add45988ddfdaf29245505f/FLAG23e7e59b0 [2022-09-16 11:41:50,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6574b541/13819ef08add45988ddfdaf29245505f [2022-09-16 11:41:50,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:41:50,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:41:50,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:41:50,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:41:50,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:41:50,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:41:50" (1/1) ... [2022-09-16 11:41:50,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6e4fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:50, skipping insertion in model container [2022-09-16 11:41:50,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:41:50" (1/1) ... [2022-09-16 11:41:50,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:41:50,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:41:50,983 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/28-race_reach_45-escape_racing.i[30176,30189] [2022-09-16 11:41:51,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:41:51,014 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:41:51,047 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/28-race_reach_45-escape_racing.i[30176,30189] [2022-09-16 11:41:51,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:41:51,086 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:41:51,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51 WrapperNode [2022-09-16 11:41:51,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:41:51,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:41:51,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:41:51,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:41:51,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,139 INFO L138 Inliner]: procedures = 170, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-09-16 11:41:51,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:41:51,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:41:51,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:41:51,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:41:51,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:41:51,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:41:51,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:41:51,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:41:51,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (1/1) ... [2022-09-16 11:41:51,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:41:51,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:41:51,217 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 11:41:51,242 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 11:41:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 11:41:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:41:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 11:41:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:41:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:41:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-16 11:41:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-16 11:41:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:41:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:41:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:41:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:41:51,270 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 11:41:51,414 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:41:51,415 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:41:51,664 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:41:51,671 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:41:51,671 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-09-16 11:41:51,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:41:51 BoogieIcfgContainer [2022-09-16 11:41:51,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:41:51,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:41:51,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:41:51,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:41:51,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:41:50" (1/3) ... [2022-09-16 11:41:51,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0b8bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:41:51, skipping insertion in model container [2022-09-16 11:41:51,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:41:51" (2/3) ... [2022-09-16 11:41:51,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0b8bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:41:51, skipping insertion in model container [2022-09-16 11:41:51,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:41:51" (3/3) ... [2022-09-16 11:41:51,685 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2022-09-16 11:41:51,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:41:51,703 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 11:41:51,703 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:41:51,757 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-16 11:41:51,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 115 transitions, 238 flow [2022-09-16 11:41:51,875 INFO L130 PetriNetUnfolder]: 9/114 cut-off events. [2022-09-16 11:41:51,876 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-09-16 11:41:51,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 9/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 187 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 64. Up to 3 conditions per place. [2022-09-16 11:41:51,881 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 115 transitions, 238 flow [2022-09-16 11:41:51,887 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 104 transitions, 211 flow [2022-09-16 11:41:51,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:41:51,914 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;@233a57ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:41:51,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-09-16 11:41:51,941 INFO L130 PetriNetUnfolder]: 2/72 cut-off events. [2022-09-16 11:41:51,942 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:41:51,942 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:51,943 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 11:41:51,943 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 11:41:51,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:51,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1330696475, now seen corresponding path program 1 times [2022-09-16 11:41:51,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:51,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801126349] [2022-09-16 11:41:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:51,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:52,410 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 11:41:52,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:52,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801126349] [2022-09-16 11:41:52,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801126349] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:52,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:52,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-09-16 11:41:52,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794238576] [2022-09-16 11:41:52,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:52,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 11:41:52,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:52,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 11:41:52,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 11:41:52,464 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 115 [2022-09-16 11:41:52,472 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 104 transitions, 211 flow. Second operand has 11 states, 11 states have (on average 59.09090909090909) internal successors, (650), 11 states have internal predecessors, (650), 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 11:41:52,472 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:52,473 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 115 [2022-09-16 11:41:52,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:52,850 INFO L130 PetriNetUnfolder]: 22/191 cut-off events. [2022-09-16 11:41:52,851 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:41:52,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 191 events. 22/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 651 event pairs, 2 based on Foata normal form. 54/235 useless extension candidates. Maximal degree in co-relation 208. Up to 25 conditions per place. [2022-09-16 11:41:52,853 INFO L137 encePairwiseOnDemand]: 93/115 looper letters, 44 selfloop transitions, 11 changer transitions 9/106 dead transitions. [2022-09-16 11:41:52,854 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 106 transitions, 327 flow [2022-09-16 11:41:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-09-16 11:41:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-09-16 11:41:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 760 transitions. [2022-09-16 11:41:52,881 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.5507246376811594 [2022-09-16 11:41:52,882 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 760 transitions. [2022-09-16 11:41:52,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 760 transitions. [2022-09-16 11:41:52,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:52,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 760 transitions. [2022-09-16 11:41:52,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 63.333333333333336) internal successors, (760), 12 states have internal predecessors, (760), 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 11:41:52,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 115.0) internal successors, (1495), 13 states have internal predecessors, (1495), 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 11:41:52,907 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 115.0) internal successors, (1495), 13 states have internal predecessors, (1495), 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 11:41:52,909 INFO L175 Difference]: Start difference. First operand has 99 places, 104 transitions, 211 flow. Second operand 12 states and 760 transitions. [2022-09-16 11:41:52,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 106 transitions, 327 flow [2022-09-16 11:41:52,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 106 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:41:52,921 INFO L231 Difference]: Finished difference. Result has 106 places, 83 transitions, 190 flow [2022-09-16 11:41:52,923 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=190, PETRI_PLACES=106, PETRI_TRANSITIONS=83} [2022-09-16 11:41:52,929 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, 7 predicate places. [2022-09-16 11:41:52,929 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 83 transitions, 190 flow [2022-09-16 11:41:52,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 59.09090909090909) internal successors, (650), 11 states have internal predecessors, (650), 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 11:41:52,931 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:52,931 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] [2022-09-16 11:41:52,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:41:52,933 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 11:41:52,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:52,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1753306893, now seen corresponding path program 1 times [2022-09-16 11:41:52,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:52,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117681888] [2022-09-16 11:41:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:52,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:53,064 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 11:41:53,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:53,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117681888] [2022-09-16 11:41:53,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117681888] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:53,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:53,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 11:41:53,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446821479] [2022-09-16 11:41:53,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:53,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 11:41:53,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:53,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 11:41:53,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-09-16 11:41:53,068 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 115 [2022-09-16 11:41:53,069 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 83 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 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 11:41:53,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:53,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 115 [2022-09-16 11:41:53,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:53,155 INFO L130 PetriNetUnfolder]: 24/150 cut-off events. [2022-09-16 11:41:53,155 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-09-16 11:41:53,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 150 events. 24/150 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 503 event pairs, 6 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 191. Up to 38 conditions per place. [2022-09-16 11:41:53,157 INFO L137 encePairwiseOnDemand]: 109/115 looper letters, 38 selfloop transitions, 5 changer transitions 1/92 dead transitions. [2022-09-16 11:41:53,157 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 92 transitions, 296 flow [2022-09-16 11:41:53,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 11:41:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-09-16 11:41:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 493 transitions. [2022-09-16 11:41:53,159 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6124223602484472 [2022-09-16 11:41:53,159 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 493 transitions. [2022-09-16 11:41:53,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 493 transitions. [2022-09-16 11:41:53,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:53,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 493 transitions. [2022-09-16 11:41:53,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 70.42857142857143) internal successors, (493), 7 states have internal predecessors, (493), 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 11:41:53,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 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 11:41:53,163 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 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 11:41:53,163 INFO L175 Difference]: Start difference. First operand has 106 places, 83 transitions, 190 flow. Second operand 7 states and 493 transitions. [2022-09-16 11:41:53,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 92 transitions, 296 flow [2022-09-16 11:41:53,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 92 transitions, 274 flow, removed 0 selfloop flow, removed 11 redundant places. [2022-09-16 11:41:53,167 INFO L231 Difference]: Finished difference. Result has 91 places, 81 transitions, 174 flow [2022-09-16 11:41:53,167 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=174, PETRI_PLACES=91, PETRI_TRANSITIONS=81} [2022-09-16 11:41:53,168 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, -8 predicate places. [2022-09-16 11:41:53,168 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 81 transitions, 174 flow [2022-09-16 11:41:53,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.0) internal successors, (414), 6 states have internal predecessors, (414), 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 11:41:53,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:41:53,168 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] [2022-09-16 11:41:53,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:41:53,169 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 11:41:53,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:41:53,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1482060842, now seen corresponding path program 1 times [2022-09-16 11:41:53,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:41:53,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232983532] [2022-09-16 11:41:53,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:41:53,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:41:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:41:53,330 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 11:41:53,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:41:53,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232983532] [2022-09-16 11:41:53,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232983532] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:41:53,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:41:53,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 11:41:53,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406098382] [2022-09-16 11:41:53,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:41:53,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-09-16 11:41:53,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:41:53,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-09-16 11:41:53,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-09-16 11:41:53,334 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 115 [2022-09-16 11:41:53,335 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 81 transitions, 174 flow. Second operand has 14 states, 14 states have (on average 52.0) internal successors, (728), 14 states have internal predecessors, (728), 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 11:41:53,335 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:41:53,335 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 115 [2022-09-16 11:41:53,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:41:53,716 INFO L130 PetriNetUnfolder]: 24/157 cut-off events. [2022-09-16 11:41:53,716 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-09-16 11:41:53,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 157 events. 24/157 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 535 event pairs, 2 based on Foata normal form. 3/156 useless extension candidates. Maximal degree in co-relation 194. Up to 25 conditions per place. [2022-09-16 11:41:53,717 INFO L137 encePairwiseOnDemand]: 101/115 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2022-09-16 11:41:53,717 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 98 transitions, 330 flow [2022-09-16 11:41:53,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 11:41:53,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-09-16 11:41:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 797 transitions. [2022-09-16 11:41:53,721 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.46202898550724636 [2022-09-16 11:41:53,721 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 797 transitions. [2022-09-16 11:41:53,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 797 transitions. [2022-09-16 11:41:53,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:41:53,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 797 transitions. [2022-09-16 11:41:53,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.13333333333333) internal successors, (797), 15 states have internal predecessors, (797), 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 11:41:53,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 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 11:41:53,728 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 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 11:41:53,728 INFO L175 Difference]: Start difference. First operand has 91 places, 81 transitions, 174 flow. Second operand 15 states and 797 transitions. [2022-09-16 11:41:53,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 98 transitions, 330 flow [2022-09-16 11:41:53,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 98 transitions, 321 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-09-16 11:41:53,730 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2022-09-16 11:41:53,731 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2022-09-16 11:41:53,731 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, -1 predicate places. [2022-09-16 11:41:53,732 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2022-09-16 11:41:53,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 52.0) internal successors, (728), 14 states have internal predecessors, (728), 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 11:41:53,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2022-09-16 11:41:53,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2022-09-16 11:41:53,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2022-09-16 11:41:53,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2022-09-16 11:41:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining) [2022-09-16 11:41:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2022-09-16 11:41:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2022-09-16 11:41:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2022-09-16 11:41:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2022-09-16 11:41:53,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:41:53,737 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-09-16 11:41:53,742 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:41:53,742 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:41:53,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:41:53 BasicIcfg [2022-09-16 11:41:53,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:41:53,748 INFO L158 Benchmark]: Toolchain (without parser) took 3097.44ms. Allocated memory was 182.5MB in the beginning and 231.7MB in the end (delta: 49.3MB). Free memory was 158.0MB in the beginning and 134.3MB in the end (delta: 23.6MB). Peak memory consumption was 73.2MB. Max. memory is 8.0GB. [2022-09-16 11:41:53,748 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:41:53,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.62ms. Allocated memory was 182.5MB in the beginning and 231.7MB in the end (delta: 49.3MB). Free memory was 157.7MB in the beginning and 194.5MB in the end (delta: -36.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-09-16 11:41:53,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.20ms. Allocated memory is still 231.7MB. Free memory was 194.0MB in the beginning and 192.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:41:53,749 INFO L158 Benchmark]: Boogie Preprocessor took 33.08ms. Allocated memory is still 231.7MB. Free memory was 192.4MB in the beginning and 190.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 11:41:53,750 INFO L158 Benchmark]: RCFGBuilder took 498.91ms. Allocated memory is still 231.7MB. Free memory was 190.8MB in the beginning and 176.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-09-16 11:41:53,750 INFO L158 Benchmark]: TraceAbstraction took 2071.69ms. Allocated memory is still 231.7MB. Free memory was 175.6MB in the beginning and 134.3MB in the end (delta: 41.3MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. [2022-09-16 11:41:53,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 434.62ms. Allocated memory was 182.5MB in the beginning and 231.7MB in the end (delta: 49.3MB). Free memory was 157.7MB in the beginning and 194.5MB in the end (delta: -36.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.20ms. Allocated memory is still 231.7MB. Free memory was 194.0MB in the beginning and 192.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.08ms. Allocated memory is still 231.7MB. Free memory was 192.4MB in the beginning and 190.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 498.91ms. Allocated memory is still 231.7MB. Free memory was 190.8MB in the beginning and 176.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2071.69ms. Allocated memory is still 231.7MB. Free memory was 175.6MB in the beginning and 134.3MB in the end (delta: 41.3MB). Peak memory consumption was 42.4MB. 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: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 144 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 493 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 409 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 516 IncrementalHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 84 mSDtfsCounter, 516 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=211occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 11:41:53,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...