./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ddaccc1a0ddb0072edffeef8ad9576acf619c322d8f731037fda7dc2530a10f9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 08:58:34,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 08:58:34,739 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 08:58:34,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 08:58:34,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 08:58:34,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 08:58:34,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 08:58:34,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 08:58:34,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 08:58:34,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 08:58:34,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 08:58:34,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 08:58:34,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 08:58:34,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 08:58:34,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 08:58:34,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 08:58:34,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 08:58:34,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 08:58:34,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 08:58:34,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 08:58:34,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 08:58:34,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 08:58:34,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 08:58:34,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 08:58:34,774 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 08:58:34,775 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 08:58:34,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 08:58:34,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 08:58:34,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 08:58:34,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 08:58:34,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 08:58:34,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 08:58:34,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:58:34,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 08:58:34,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 08:58:34,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 08:58:34,776 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 08:58:34,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 08:58:34,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 08:58:34,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 08:58:34,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 08:58:34,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 08:58:34,778 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddaccc1a0ddb0072edffeef8ad9576acf619c322d8f731037fda7dc2530a10f9 [2024-11-20 08:58:34,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 08:58:34,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 08:58:34,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 08:58:34,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 08:58:34,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 08:58:34,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i [2024-11-20 08:58:36,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 08:58:36,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 08:58:36,339 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i [2024-11-20 08:58:36,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ab0023e5/c1add2cb1c144bd5a5be6206c5c0800a/FLAG2fa67dfb3 [2024-11-20 08:58:36,736 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ab0023e5/c1add2cb1c144bd5a5be6206c5c0800a [2024-11-20 08:58:36,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 08:58:36,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 08:58:36,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 08:58:36,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 08:58:36,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 08:58:36,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:58:36" (1/1) ... [2024-11-20 08:58:36,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdbbe46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:36, skipping insertion in model container [2024-11-20 08:58:36,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:58:36" (1/1) ... [2024-11-20 08:58:36,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 08:58:36,894 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i[916,929] [2024-11-20 08:58:36,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:58:36,951 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 08:58:36,961 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i[916,929] [2024-11-20 08:58:37,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:58:37,020 INFO L204 MainTranslator]: Completed translation [2024-11-20 08:58:37,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37 WrapperNode [2024-11-20 08:58:37,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 08:58:37,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 08:58:37,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 08:58:37,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 08:58:37,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,073 INFO L138 Inliner]: procedures = 30, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 571 [2024-11-20 08:58:37,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 08:58:37,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 08:58:37,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 08:58:37,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 08:58:37,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,091 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,098 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-20 08:58:37,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 08:58:37,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 08:58:37,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 08:58:37,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 08:58:37,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (1/1) ... [2024-11-20 08:58:37,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:58:37,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 08:58:37,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 08:58:37,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 08:58:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 08:58:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-20 08:58:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-20 08:58:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-20 08:58:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 08:58:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-20 08:58:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 08:58:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 08:58:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 08:58:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 08:58:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 08:58:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 08:58:37,395 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 08:58:37,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 08:58:37,938 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-20 08:58:37,938 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 08:58:37,951 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 08:58:37,951 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 08:58:37,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:58:37 BoogieIcfgContainer [2024-11-20 08:58:37,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 08:58:37,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 08:58:37,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 08:58:37,956 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 08:58:37,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:58:36" (1/3) ... [2024-11-20 08:58:37,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b94148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:58:37, skipping insertion in model container [2024-11-20 08:58:37,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:58:37" (2/3) ... [2024-11-20 08:58:37,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b94148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:58:37, skipping insertion in model container [2024-11-20 08:58:37,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:58:37" (3/3) ... [2024-11-20 08:58:37,959 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-56.i [2024-11-20 08:58:37,971 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 08:58:37,971 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 08:58:38,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 08:58:38,025 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@10230f40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 08:58:38,025 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 08:58:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 105 states have internal predecessors, (149), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:58:38,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 08:58:38,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:38,043 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:38,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:38,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash 607828223, now seen corresponding path program 1 times [2024-11-20 08:58:38,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:38,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899376293] [2024-11-20 08:58:38,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:38,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:38,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:38,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899376293] [2024-11-20 08:58:38,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899376293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:38,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:38,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 08:58:38,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127360476] [2024-11-20 08:58:38,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:38,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 08:58:38,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:38,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 08:58:38,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:58:38,484 INFO L87 Difference]: Start difference. First operand has 126 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 105 states have internal predecessors, (149), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:58:38,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:38,518 INFO L93 Difference]: Finished difference Result 245 states and 387 transitions. [2024-11-20 08:58:38,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 08:58:38,520 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2024-11-20 08:58:38,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:38,526 INFO L225 Difference]: With dead ends: 245 [2024-11-20 08:58:38,526 INFO L226 Difference]: Without dead ends: 122 [2024-11-20 08:58:38,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:58:38,532 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:38,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:58:38,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-20 08:58:38,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-20 08:58:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.4059405940594059) internal successors, (142), 101 states have internal predecessors, (142), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:58:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 180 transitions. [2024-11-20 08:58:38,588 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 180 transitions. Word has length 151 [2024-11-20 08:58:38,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:38,589 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 180 transitions. [2024-11-20 08:58:38,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:58:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 180 transitions. [2024-11-20 08:58:38,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 08:58:38,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:38,592 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:38,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 08:58:38,593 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:38,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:38,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1661937133, now seen corresponding path program 1 times [2024-11-20 08:58:38,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:38,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665512348] [2024-11-20 08:58:38,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:38,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:38,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:38,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665512348] [2024-11-20 08:58:38,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665512348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:38,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:38,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:58:38,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136097309] [2024-11-20 08:58:38,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:38,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:58:38,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:38,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:58:38,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:58:38,936 INFO L87 Difference]: Start difference. First operand 122 states and 180 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:58:38,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:38,975 INFO L93 Difference]: Finished difference Result 243 states and 360 transitions. [2024-11-20 08:58:38,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:58:38,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2024-11-20 08:58:38,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:38,978 INFO L225 Difference]: With dead ends: 243 [2024-11-20 08:58:38,978 INFO L226 Difference]: Without dead ends: 124 [2024-11-20 08:58:38,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:58:38,979 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:38,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:58:38,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-20 08:58:38,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-20 08:58:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 103 states have internal predecessors, (144), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:58:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 182 transitions. [2024-11-20 08:58:38,994 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 182 transitions. Word has length 151 [2024-11-20 08:58:38,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:38,997 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 182 transitions. [2024-11-20 08:58:38,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:58:38,997 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2024-11-20 08:58:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 08:58:39,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:39,001 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:39,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 08:58:39,001 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:39,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:39,002 INFO L85 PathProgramCache]: Analyzing trace with hash 982664879, now seen corresponding path program 1 times [2024-11-20 08:58:39,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:39,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990872295] [2024-11-20 08:58:39,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:39,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:39,160 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:39,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:39,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990872295] [2024-11-20 08:58:39,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990872295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:39,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:39,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 08:58:39,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891506957] [2024-11-20 08:58:39,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:39,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 08:58:39,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:39,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 08:58:39,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:58:39,164 INFO L87 Difference]: Start difference. First operand 124 states and 182 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:39,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:39,189 INFO L93 Difference]: Finished difference Result 246 states and 363 transitions. [2024-11-20 08:58:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 08:58:39,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-20 08:58:39,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:39,191 INFO L225 Difference]: With dead ends: 246 [2024-11-20 08:58:39,191 INFO L226 Difference]: Without dead ends: 125 [2024-11-20 08:58:39,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:58:39,193 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:39,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 352 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:58:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-20 08:58:39,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-20 08:58:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 104 states have internal predecessors, (145), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:58:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 183 transitions. [2024-11-20 08:58:39,200 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 183 transitions. Word has length 151 [2024-11-20 08:58:39,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:39,200 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 183 transitions. [2024-11-20 08:58:39,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2024-11-20 08:58:39,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 08:58:39,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:39,202 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:39,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 08:58:39,203 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:39,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:39,203 INFO L85 PathProgramCache]: Analyzing trace with hash 165016429, now seen corresponding path program 1 times [2024-11-20 08:58:39,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:39,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213902596] [2024-11-20 08:58:39,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:39,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:40,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:40,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213902596] [2024-11-20 08:58:40,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213902596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:40,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:40,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 08:58:40,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886526591] [2024-11-20 08:58:40,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:40,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 08:58:40,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:40,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 08:58:40,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-20 08:58:40,588 INFO L87 Difference]: Start difference. First operand 125 states and 183 transitions. Second operand has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:41,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:41,972 INFO L93 Difference]: Finished difference Result 679 states and 1008 transitions. [2024-11-20 08:58:41,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 08:58:41,973 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-11-20 08:58:41,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:41,978 INFO L225 Difference]: With dead ends: 679 [2024-11-20 08:58:41,979 INFO L226 Difference]: Without dead ends: 557 [2024-11-20 08:58:41,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=645, Unknown=0, NotChecked=0, Total=812 [2024-11-20 08:58:41,981 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 992 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:41,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [992 Valid, 1016 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 08:58:41,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-11-20 08:58:42,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 295. [2024-11-20 08:58:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 254 states have (on average 1.4409448818897639) internal successors, (366), 254 states have internal predecessors, (366), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:42,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 442 transitions. [2024-11-20 08:58:42,021 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 442 transitions. Word has length 151 [2024-11-20 08:58:42,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:42,023 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 442 transitions. [2024-11-20 08:58:42,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 442 transitions. [2024-11-20 08:58:42,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:58:42,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:42,026 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:42,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 08:58:42,026 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:42,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:42,027 INFO L85 PathProgramCache]: Analyzing trace with hash -6012814, now seen corresponding path program 1 times [2024-11-20 08:58:42,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:42,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266836300] [2024-11-20 08:58:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:42,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:42,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:42,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266836300] [2024-11-20 08:58:42,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266836300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:42,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:42,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 08:58:42,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012613484] [2024-11-20 08:58:42,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:42,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 08:58:42,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:42,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 08:58:42,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:58:42,140 INFO L87 Difference]: Start difference. First operand 295 states and 442 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:42,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:42,202 INFO L93 Difference]: Finished difference Result 586 states and 879 transitions. [2024-11-20 08:58:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 08:58:42,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-20 08:58:42,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:42,205 INFO L225 Difference]: With dead ends: 586 [2024-11-20 08:58:42,206 INFO L226 Difference]: Without dead ends: 294 [2024-11-20 08:58:42,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:58:42,207 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:42,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:58:42,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-20 08:58:42,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-11-20 08:58:42,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 253 states have (on average 1.4308300395256917) internal successors, (362), 253 states have internal predecessors, (362), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 438 transitions. [2024-11-20 08:58:42,227 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 438 transitions. Word has length 152 [2024-11-20 08:58:42,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:42,227 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 438 transitions. [2024-11-20 08:58:42,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 438 transitions. [2024-11-20 08:58:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:58:42,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:42,230 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:42,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 08:58:42,230 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:42,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:42,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1365661008, now seen corresponding path program 1 times [2024-11-20 08:58:42,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:42,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372217150] [2024-11-20 08:58:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:42,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,335 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:42,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:42,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372217150] [2024-11-20 08:58:42,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372217150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:42,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:42,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 08:58:42,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363440027] [2024-11-20 08:58:42,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:42,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 08:58:42,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:42,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 08:58:42,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:58:42,337 INFO L87 Difference]: Start difference. First operand 294 states and 438 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:42,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:42,400 INFO L93 Difference]: Finished difference Result 589 states and 881 transitions. [2024-11-20 08:58:42,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 08:58:42,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-20 08:58:42,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:42,403 INFO L225 Difference]: With dead ends: 589 [2024-11-20 08:58:42,403 INFO L226 Difference]: Without dead ends: 298 [2024-11-20 08:58:42,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:58:42,404 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:42,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:58:42,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-20 08:58:42,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-11-20 08:58:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 257 states have (on average 1.424124513618677) internal successors, (366), 257 states have internal predecessors, (366), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 442 transitions. [2024-11-20 08:58:42,415 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 442 transitions. Word has length 152 [2024-11-20 08:58:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:42,415 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 442 transitions. [2024-11-20 08:58:42,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 442 transitions. [2024-11-20 08:58:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 08:58:42,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:42,417 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:42,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 08:58:42,417 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:42,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:42,418 INFO L85 PathProgramCache]: Analyzing trace with hash -28424802, now seen corresponding path program 1 times [2024-11-20 08:58:42,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:42,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207227287] [2024-11-20 08:58:42,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:42,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:42,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:42,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207227287] [2024-11-20 08:58:42,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207227287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:42,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:42,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 08:58:42,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377529940] [2024-11-20 08:58:42,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:42,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 08:58:42,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:42,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 08:58:42,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:58:42,521 INFO L87 Difference]: Start difference. First operand 298 states and 442 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:42,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:42,591 INFO L93 Difference]: Finished difference Result 593 states and 881 transitions. [2024-11-20 08:58:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 08:58:42,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2024-11-20 08:58:42,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:42,593 INFO L225 Difference]: With dead ends: 593 [2024-11-20 08:58:42,593 INFO L226 Difference]: Without dead ends: 298 [2024-11-20 08:58:42,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:58:42,594 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:42,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 345 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 08:58:42,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-20 08:58:42,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2024-11-20 08:58:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 257 states have (on average 1.416342412451362) internal successors, (364), 257 states have internal predecessors, (364), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:42,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 440 transitions. [2024-11-20 08:58:42,609 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 440 transitions. Word has length 152 [2024-11-20 08:58:42,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:42,609 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 440 transitions. [2024-11-20 08:58:42,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:42,609 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 440 transitions. [2024-11-20 08:58:42,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:58:42,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:42,610 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:42,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 08:58:42,611 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:42,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:42,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1035364039, now seen corresponding path program 1 times [2024-11-20 08:58:42,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:42,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128154576] [2024-11-20 08:58:42,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:42,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:42,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:42,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128154576] [2024-11-20 08:58:42,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128154576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:42,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:42,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:58:42,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133087325] [2024-11-20 08:58:42,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:42,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:58:42,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:42,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:58:42,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:58:42,897 INFO L87 Difference]: Start difference. First operand 298 states and 440 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:43,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:43,257 INFO L93 Difference]: Finished difference Result 709 states and 1054 transitions. [2024-11-20 08:58:43,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:58:43,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-20 08:58:43,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:43,260 INFO L225 Difference]: With dead ends: 709 [2024-11-20 08:58:43,260 INFO L226 Difference]: Without dead ends: 414 [2024-11-20 08:58:43,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:58:43,262 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 76 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:43,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 635 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 08:58:43,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-20 08:58:43,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 332. [2024-11-20 08:58:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 291 states have (on average 1.436426116838488) internal successors, (418), 291 states have internal predecessors, (418), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:43,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 494 transitions. [2024-11-20 08:58:43,273 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 494 transitions. Word has length 153 [2024-11-20 08:58:43,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:43,273 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 494 transitions. [2024-11-20 08:58:43,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 494 transitions. [2024-11-20 08:58:43,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:58:43,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:43,275 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:43,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 08:58:43,275 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:43,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:43,275 INFO L85 PathProgramCache]: Analyzing trace with hash -618514157, now seen corresponding path program 1 times [2024-11-20 08:58:43,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:43,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116435834] [2024-11-20 08:58:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:45,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:46,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:46,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116435834] [2024-11-20 08:58:46,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116435834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:46,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:46,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 08:58:46,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068447863] [2024-11-20 08:58:46,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:46,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 08:58:46,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:46,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 08:58:46,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-20 08:58:46,006 INFO L87 Difference]: Start difference. First operand 332 states and 494 transitions. Second operand has 16 states, 12 states have (on average 5.083333333333333) internal successors, (61), 16 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-20 08:58:48,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:48,295 INFO L93 Difference]: Finished difference Result 902 states and 1335 transitions. [2024-11-20 08:58:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 08:58:48,295 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 5.083333333333333) internal successors, (61), 16 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) Word has length 153 [2024-11-20 08:58:48,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:48,299 INFO L225 Difference]: With dead ends: 902 [2024-11-20 08:58:48,299 INFO L226 Difference]: Without dead ends: 573 [2024-11-20 08:58:48,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=854, Unknown=0, NotChecked=0, Total=1056 [2024-11-20 08:58:48,301 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 1300 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 1930 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 2073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:48,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 1168 Invalid, 2073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1930 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-20 08:58:48,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-20 08:58:48,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 356. [2024-11-20 08:58:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 315 states have (on average 1.4476190476190476) internal successors, (456), 315 states have internal predecessors, (456), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:48,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 532 transitions. [2024-11-20 08:58:48,316 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 532 transitions. Word has length 153 [2024-11-20 08:58:48,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:48,318 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 532 transitions. [2024-11-20 08:58:48,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 5.083333333333333) internal successors, (61), 16 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-20 08:58:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 532 transitions. [2024-11-20 08:58:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:58:48,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:48,319 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:48,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 08:58:48,319 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:48,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:48,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1205320171, now seen corresponding path program 1 times [2024-11-20 08:58:48,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:48,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739681251] [2024-11-20 08:58:48,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:48,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:49,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:49,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739681251] [2024-11-20 08:58:49,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739681251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:49,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:49,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 08:58:49,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965175047] [2024-11-20 08:58:49,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:49,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 08:58:49,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:49,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 08:58:49,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:58:49,986 INFO L87 Difference]: Start difference. First operand 356 states and 532 transitions. Second operand has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:58:50,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:50,991 INFO L93 Difference]: Finished difference Result 859 states and 1289 transitions. [2024-11-20 08:58:50,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 08:58:50,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 153 [2024-11-20 08:58:50,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:50,993 INFO L225 Difference]: With dead ends: 859 [2024-11-20 08:58:50,994 INFO L226 Difference]: Without dead ends: 506 [2024-11-20 08:58:50,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 08:58:50,995 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 75 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:50,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1317 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 08:58:50,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-20 08:58:51,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 425. [2024-11-20 08:58:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 384 states have (on average 1.4765625) internal successors, (567), 384 states have internal predecessors, (567), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 643 transitions. [2024-11-20 08:58:51,009 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 643 transitions. Word has length 153 [2024-11-20 08:58:51,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:51,009 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 643 transitions. [2024-11-20 08:58:51,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:58:51,010 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 643 transitions. [2024-11-20 08:58:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:58:51,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:51,012 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:51,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 08:58:51,012 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:51,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:51,013 INFO L85 PathProgramCache]: Analyzing trace with hash 121992353, now seen corresponding path program 1 times [2024-11-20 08:58:51,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:51,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016889149] [2024-11-20 08:58:51,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:51,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:51,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:51,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016889149] [2024-11-20 08:58:51,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016889149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:51,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:51,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:58:51,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455102344] [2024-11-20 08:58:51,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:51,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:58:51,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:51,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:58:51,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:58:51,215 INFO L87 Difference]: Start difference. First operand 425 states and 643 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:51,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:51,494 INFO L93 Difference]: Finished difference Result 902 states and 1363 transitions. [2024-11-20 08:58:51,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:58:51,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-20 08:58:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:51,497 INFO L225 Difference]: With dead ends: 902 [2024-11-20 08:58:51,498 INFO L226 Difference]: Without dead ends: 480 [2024-11-20 08:58:51,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:58:51,499 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 73 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:51,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 436 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 08:58:51,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-20 08:58:51,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 411. [2024-11-20 08:58:51,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 370 states have (on average 1.454054054054054) internal successors, (538), 370 states have internal predecessors, (538), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:51,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 614 transitions. [2024-11-20 08:58:51,511 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 614 transitions. Word has length 153 [2024-11-20 08:58:51,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:51,511 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 614 transitions. [2024-11-20 08:58:51,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 614 transitions. [2024-11-20 08:58:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:58:51,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:51,513 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:51,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 08:58:51,514 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:51,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:51,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1868831367, now seen corresponding path program 1 times [2024-11-20 08:58:51,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:51,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635113466] [2024-11-20 08:58:51,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:51,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:53,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:53,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635113466] [2024-11-20 08:58:53,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635113466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:53,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:53,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 08:58:53,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800196032] [2024-11-20 08:58:53,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:53,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 08:58:53,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:53,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 08:58:53,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-20 08:58:53,487 INFO L87 Difference]: Start difference. First operand 411 states and 614 transitions. Second operand has 13 states, 9 states have (on average 6.777777777777778) internal successors, (61), 13 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-20 08:58:54,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:54,895 INFO L93 Difference]: Finished difference Result 1008 states and 1505 transitions. [2024-11-20 08:58:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 08:58:54,895 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 6.777777777777778) internal successors, (61), 13 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) Word has length 153 [2024-11-20 08:58:54,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:54,898 INFO L225 Difference]: With dead ends: 1008 [2024-11-20 08:58:54,898 INFO L226 Difference]: Without dead ends: 600 [2024-11-20 08:58:54,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-20 08:58:54,899 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 215 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 1008 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:54,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 1136 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1008 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 08:58:54,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-20 08:58:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 453. [2024-11-20 08:58:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 412 states have (on average 1.4611650485436893) internal successors, (602), 412 states have internal predecessors, (602), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 678 transitions. [2024-11-20 08:58:54,915 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 678 transitions. Word has length 153 [2024-11-20 08:58:54,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:54,915 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 678 transitions. [2024-11-20 08:58:54,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 6.777777777777778) internal successors, (61), 13 states have internal predecessors, (61), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-20 08:58:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 678 transitions. [2024-11-20 08:58:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:58:54,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:54,916 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:54,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 08:58:54,916 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:54,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:54,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1562524430, now seen corresponding path program 1 times [2024-11-20 08:58:54,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:54,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084237780] [2024-11-20 08:58:54,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:54,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:55,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:55,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084237780] [2024-11-20 08:58:55,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084237780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:55,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:55,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:58:55,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289757203] [2024-11-20 08:58:55,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:55,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:58:55,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:55,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:58:55,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:58:55,073 INFO L87 Difference]: Start difference. First operand 453 states and 678 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:55,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:55,096 INFO L93 Difference]: Finished difference Result 909 states and 1361 transitions. [2024-11-20 08:58:55,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:58:55,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-20 08:58:55,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:55,099 INFO L225 Difference]: With dead ends: 909 [2024-11-20 08:58:55,099 INFO L226 Difference]: Without dead ends: 459 [2024-11-20 08:58:55,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:58:55,100 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:55,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 691 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:58:55,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-20 08:58:55,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2024-11-20 08:58:55,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 418 states have (on average 1.4545454545454546) internal successors, (608), 418 states have internal predecessors, (608), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 08:58:55,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 684 transitions. [2024-11-20 08:58:55,113 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 684 transitions. Word has length 153 [2024-11-20 08:58:55,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:55,113 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 684 transitions. [2024-11-20 08:58:55,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:58:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 684 transitions. [2024-11-20 08:58:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:58:55,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:55,115 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:55,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 08:58:55,115 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:55,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash 588967689, now seen corresponding path program 1 times [2024-11-20 08:58:55,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:55,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705645168] [2024-11-20 08:58:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:55,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:56,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:56,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705645168] [2024-11-20 08:58:56,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705645168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:56,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:56,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 08:58:56,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086729788] [2024-11-20 08:58:56,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:56,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 08:58:56,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:56,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 08:58:56,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-20 08:58:56,373 INFO L87 Difference]: Start difference. First operand 459 states and 684 transitions. Second operand has 13 states, 11 states have (on average 5.545454545454546) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:58:57,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:57,653 INFO L93 Difference]: Finished difference Result 1168 states and 1717 transitions. [2024-11-20 08:58:57,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 08:58:57,654 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.545454545454546) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 153 [2024-11-20 08:58:57,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:57,657 INFO L225 Difference]: With dead ends: 1168 [2024-11-20 08:58:57,657 INFO L226 Difference]: Without dead ends: 712 [2024-11-20 08:58:57,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-20 08:58:57,659 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 811 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:57,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 1098 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1452 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 08:58:57,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-20 08:58:57,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 527. [2024-11-20 08:58:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 481 states have (on average 1.4386694386694387) internal successors, (692), 482 states have internal predecessors, (692), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 08:58:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 776 transitions. [2024-11-20 08:58:57,674 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 776 transitions. Word has length 153 [2024-11-20 08:58:57,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:57,675 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 776 transitions. [2024-11-20 08:58:57,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.545454545454546) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:58:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 776 transitions. [2024-11-20 08:58:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:58:57,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:57,676 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:57,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 08:58:57,677 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:57,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:57,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2002844873, now seen corresponding path program 1 times [2024-11-20 08:58:57,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:57,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094119613] [2024-11-20 08:58:57,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:57,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:58:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:58:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:58:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:58:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:58:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:58:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:58:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:58:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:58:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:58:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:58:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:58:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:58:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:58:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:58:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:58:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:58:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:58:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:58:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:58:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:58:58,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:58:58,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094119613] [2024-11-20 08:58:58,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094119613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:58:58,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:58:58,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 08:58:58,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97290364] [2024-11-20 08:58:58,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:58:58,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 08:58:58,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:58:58,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 08:58:58,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:58:58,929 INFO L87 Difference]: Start difference. First operand 527 states and 776 transitions. Second operand has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:58:59,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:58:59,746 INFO L93 Difference]: Finished difference Result 808 states and 1187 transitions. [2024-11-20 08:58:59,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 08:58:59,747 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 153 [2024-11-20 08:58:59,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:58:59,750 INFO L225 Difference]: With dead ends: 808 [2024-11-20 08:58:59,751 INFO L226 Difference]: Without dead ends: 619 [2024-11-20 08:58:59,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 08:58:59,752 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 69 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 08:58:59,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 1059 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 08:58:59,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-20 08:58:59,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 528. [2024-11-20 08:58:59,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 482 states have (on average 1.437759336099585) internal successors, (693), 483 states have internal predecessors, (693), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 08:58:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 777 transitions. [2024-11-20 08:58:59,772 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 777 transitions. Word has length 153 [2024-11-20 08:58:59,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:58:59,772 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 777 transitions. [2024-11-20 08:58:59,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 8.714285714285714) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:58:59,773 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 777 transitions. [2024-11-20 08:58:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:58:59,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:58:59,774 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:58:59,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 08:58:59,775 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:58:59,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:58:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1714793261, now seen corresponding path program 1 times [2024-11-20 08:58:59,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:58:59,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640060144] [2024-11-20 08:58:59,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:58:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:58:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:01,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:01,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640060144] [2024-11-20 08:59:01,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640060144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:01,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:01,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 08:59:01,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745411891] [2024-11-20 08:59:01,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:01,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 08:59:01,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:01,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 08:59:01,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-20 08:59:01,199 INFO L87 Difference]: Start difference. First operand 528 states and 777 transitions. Second operand has 13 states, 11 states have (on average 5.545454545454546) internal successors, (61), 13 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:59:02,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:02,281 INFO L93 Difference]: Finished difference Result 1194 states and 1749 transitions. [2024-11-20 08:59:02,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 08:59:02,282 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.545454545454546) internal successors, (61), 13 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 153 [2024-11-20 08:59:02,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:02,284 INFO L225 Difference]: With dead ends: 1194 [2024-11-20 08:59:02,284 INFO L226 Difference]: Without dead ends: 669 [2024-11-20 08:59:02,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-20 08:59:02,288 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 1551 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:02,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 623 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 08:59:02,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-20 08:59:02,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 528. [2024-11-20 08:59:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 482 states have (on average 1.4356846473029046) internal successors, (692), 483 states have internal predecessors, (692), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 08:59:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 776 transitions. [2024-11-20 08:59:02,302 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 776 transitions. Word has length 153 [2024-11-20 08:59:02,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:02,302 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 776 transitions. [2024-11-20 08:59:02,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.545454545454546) internal successors, (61), 13 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:59:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 776 transitions. [2024-11-20 08:59:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:59:02,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:02,303 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:02,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 08:59:02,303 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:02,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:02,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1652753647, now seen corresponding path program 1 times [2024-11-20 08:59:02,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:02,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219563769] [2024-11-20 08:59:02,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:02,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:03,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:03,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219563769] [2024-11-20 08:59:03,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219563769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:03,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:03,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 08:59:03,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347705846] [2024-11-20 08:59:03,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:03,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 08:59:03,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:03,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 08:59:03,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-20 08:59:03,646 INFO L87 Difference]: Start difference. First operand 528 states and 776 transitions. Second operand has 11 states, 8 states have (on average 7.625) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:59:04,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:04,695 INFO L93 Difference]: Finished difference Result 1249 states and 1833 transitions. [2024-11-20 08:59:04,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 08:59:04,696 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 7.625) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 153 [2024-11-20 08:59:04,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:04,698 INFO L225 Difference]: With dead ends: 1249 [2024-11-20 08:59:04,699 INFO L226 Difference]: Without dead ends: 724 [2024-11-20 08:59:04,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-20 08:59:04,700 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 130 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:04,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1301 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 08:59:04,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-11-20 08:59:04,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 528. [2024-11-20 08:59:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 482 states have (on average 1.4356846473029046) internal successors, (692), 483 states have internal predecessors, (692), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 08:59:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 776 transitions. [2024-11-20 08:59:04,718 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 776 transitions. Word has length 153 [2024-11-20 08:59:04,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:04,719 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 776 transitions. [2024-11-20 08:59:04,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 7.625) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:59:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 776 transitions. [2024-11-20 08:59:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:59:04,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:04,720 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:04,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 08:59:04,720 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:04,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:04,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1359358277, now seen corresponding path program 1 times [2024-11-20 08:59:04,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:04,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683538291] [2024-11-20 08:59:04,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:04,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:05,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:05,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683538291] [2024-11-20 08:59:05,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683538291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:05,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:05,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 08:59:05,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627212683] [2024-11-20 08:59:05,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:05,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 08:59:05,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:05,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 08:59:05,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-20 08:59:05,808 INFO L87 Difference]: Start difference. First operand 528 states and 776 transitions. Second operand has 12 states, 10 states have (on average 6.1) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:07,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:07,038 INFO L93 Difference]: Finished difference Result 1281 states and 1863 transitions. [2024-11-20 08:59:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 08:59:07,038 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 153 [2024-11-20 08:59:07,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:07,041 INFO L225 Difference]: With dead ends: 1281 [2024-11-20 08:59:07,041 INFO L226 Difference]: Without dead ends: 756 [2024-11-20 08:59:07,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2024-11-20 08:59:07,042 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 727 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 1039 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:07,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 1039 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 08:59:07,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-20 08:59:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 525. [2024-11-20 08:59:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 479 states have (on average 1.4342379958246347) internal successors, (687), 480 states have internal predecessors, (687), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 08:59:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 771 transitions. [2024-11-20 08:59:07,057 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 771 transitions. Word has length 153 [2024-11-20 08:59:07,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:07,057 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 771 transitions. [2024-11-20 08:59:07,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.1) internal successors, (61), 12 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 771 transitions. [2024-11-20 08:59:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:59:07,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:07,059 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:07,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 08:59:07,059 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:07,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:07,059 INFO L85 PathProgramCache]: Analyzing trace with hash 79494599, now seen corresponding path program 1 times [2024-11-20 08:59:07,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:07,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113692148] [2024-11-20 08:59:07,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:07,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:07,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:07,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113692148] [2024-11-20 08:59:07,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113692148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:07,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:07,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:59:07,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887941843] [2024-11-20 08:59:07,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:07,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:59:07,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:07,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:59:07,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:59:07,299 INFO L87 Difference]: Start difference. First operand 525 states and 771 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:59:07,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:07,618 INFO L93 Difference]: Finished difference Result 1202 states and 1749 transitions. [2024-11-20 08:59:07,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:59:07,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-11-20 08:59:07,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:07,622 INFO L225 Difference]: With dead ends: 1202 [2024-11-20 08:59:07,622 INFO L226 Difference]: Without dead ends: 680 [2024-11-20 08:59:07,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:59:07,623 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 62 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:07,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 585 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 08:59:07,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2024-11-20 08:59:07,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 580. [2024-11-20 08:59:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 529 states have (on average 1.4234404536862004) internal successors, (753), 531 states have internal predecessors, (753), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 08:59:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 845 transitions. [2024-11-20 08:59:07,648 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 845 transitions. Word has length 153 [2024-11-20 08:59:07,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:07,649 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 845 transitions. [2024-11-20 08:59:07,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:59:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 845 transitions. [2024-11-20 08:59:07,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-20 08:59:07,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:07,650 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:07,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 08:59:07,651 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:07,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:07,651 INFO L85 PathProgramCache]: Analyzing trace with hash -507311415, now seen corresponding path program 1 times [2024-11-20 08:59:07,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:07,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606704099] [2024-11-20 08:59:07,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:07,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:08,728 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:08,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:08,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606704099] [2024-11-20 08:59:08,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606704099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:08,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:08,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 08:59:08,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052153303] [2024-11-20 08:59:08,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:08,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 08:59:08,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:08,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 08:59:08,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-20 08:59:08,730 INFO L87 Difference]: Start difference. First operand 580 states and 845 transitions. Second operand has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:09,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:09,464 INFO L93 Difference]: Finished difference Result 1285 states and 1869 transitions. [2024-11-20 08:59:09,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 08:59:09,465 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 153 [2024-11-20 08:59:09,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:09,467 INFO L225 Difference]: With dead ends: 1285 [2024-11-20 08:59:09,467 INFO L226 Difference]: Without dead ends: 708 [2024-11-20 08:59:09,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 08:59:09,468 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 68 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:09,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 1101 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 08:59:09,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-11-20 08:59:09,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 600. [2024-11-20 08:59:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 549 states have (on average 1.424408014571949) internal successors, (782), 551 states have internal predecessors, (782), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 08:59:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 874 transitions. [2024-11-20 08:59:09,485 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 874 transitions. Word has length 153 [2024-11-20 08:59:09,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:09,485 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 874 transitions. [2024-11-20 08:59:09,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:09,485 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 874 transitions. [2024-11-20 08:59:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-20 08:59:09,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:09,486 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:09,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 08:59:09,486 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:09,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:09,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1669219568, now seen corresponding path program 1 times [2024-11-20 08:59:09,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:09,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206709311] [2024-11-20 08:59:09,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:09,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:09,568 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:09,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:09,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206709311] [2024-11-20 08:59:09,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206709311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:09,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:09,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 08:59:09,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852049492] [2024-11-20 08:59:09,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:09,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 08:59:09,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:09,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 08:59:09,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:59:09,571 INFO L87 Difference]: Start difference. First operand 600 states and 874 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:59:09,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:09,631 INFO L93 Difference]: Finished difference Result 1194 states and 1739 transitions. [2024-11-20 08:59:09,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 08:59:09,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 154 [2024-11-20 08:59:09,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:09,634 INFO L225 Difference]: With dead ends: 1194 [2024-11-20 08:59:09,634 INFO L226 Difference]: Without dead ends: 597 [2024-11-20 08:59:09,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:59:09,635 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:09,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:59:09,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-20 08:59:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2024-11-20 08:59:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 546 states have (on average 1.4175824175824177) internal successors, (774), 548 states have internal predecessors, (774), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 08:59:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 866 transitions. [2024-11-20 08:59:09,649 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 866 transitions. Word has length 154 [2024-11-20 08:59:09,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:09,650 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 866 transitions. [2024-11-20 08:59:09,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:59:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 866 transitions. [2024-11-20 08:59:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:09,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:09,651 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:09,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 08:59:09,651 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:09,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:09,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1902565229, now seen corresponding path program 1 times [2024-11-20 08:59:09,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:09,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492671392] [2024-11-20 08:59:09,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:09,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:10,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:10,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492671392] [2024-11-20 08:59:10,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492671392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:10,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:10,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 08:59:10,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100841061] [2024-11-20 08:59:10,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:10,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 08:59:10,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:10,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 08:59:10,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-20 08:59:10,760 INFO L87 Difference]: Start difference. First operand 597 states and 866 transitions. Second operand has 15 states, 14 states have (on average 4.5) internal successors, (63), 15 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:59:11,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:11,751 INFO L93 Difference]: Finished difference Result 1325 states and 1920 transitions. [2024-11-20 08:59:11,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 08:59:11,751 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.5) internal successors, (63), 15 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2024-11-20 08:59:11,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:11,754 INFO L225 Difference]: With dead ends: 1325 [2024-11-20 08:59:11,754 INFO L226 Difference]: Without dead ends: 731 [2024-11-20 08:59:11,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-11-20 08:59:11,755 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 74 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 1195 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:11,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1684 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1195 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 08:59:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-20 08:59:11,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 651. [2024-11-20 08:59:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 600 states have (on average 1.4233333333333333) internal successors, (854), 602 states have internal predecessors, (854), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 08:59:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 946 transitions. [2024-11-20 08:59:11,770 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 946 transitions. Word has length 155 [2024-11-20 08:59:11,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:11,771 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 946 transitions. [2024-11-20 08:59:11,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.5) internal successors, (63), 15 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:59:11,771 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 946 transitions. [2024-11-20 08:59:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:11,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:11,772 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:11,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-20 08:59:11,772 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:11,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash -2134236629, now seen corresponding path program 1 times [2024-11-20 08:59:11,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:11,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690526524] [2024-11-20 08:59:11,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:11,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:12,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:12,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690526524] [2024-11-20 08:59:12,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690526524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:12,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:12,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:59:12,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645209508] [2024-11-20 08:59:12,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:12,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:59:12,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:12,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:59:12,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:59:12,494 INFO L87 Difference]: Start difference. First operand 651 states and 946 transitions. Second operand has 7 states, 5 states have (on average 12.6) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:13,067 INFO L93 Difference]: Finished difference Result 1449 states and 2100 transitions. [2024-11-20 08:59:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 08:59:13,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.6) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-20 08:59:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:13,070 INFO L225 Difference]: With dead ends: 1449 [2024-11-20 08:59:13,070 INFO L226 Difference]: Without dead ends: 801 [2024-11-20 08:59:13,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 08:59:13,075 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 78 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:13,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 757 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 08:59:13,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2024-11-20 08:59:13,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 797. [2024-11-20 08:59:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 732 states have (on average 1.4125683060109289) internal successors, (1034), 736 states have internal predecessors, (1034), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 54 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 08:59:13,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1150 transitions. [2024-11-20 08:59:13,098 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1150 transitions. Word has length 155 [2024-11-20 08:59:13,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:13,098 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1150 transitions. [2024-11-20 08:59:13,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.6) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1150 transitions. [2024-11-20 08:59:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:13,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:13,100 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:13,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-20 08:59:13,100 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:13,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:13,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1381284817, now seen corresponding path program 1 times [2024-11-20 08:59:13,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:13,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982011095] [2024-11-20 08:59:13,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:13,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:13,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:13,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982011095] [2024-11-20 08:59:13,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982011095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:13,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:13,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 08:59:13,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63148578] [2024-11-20 08:59:13,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:13,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 08:59:13,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:13,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 08:59:13,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:59:13,827 INFO L87 Difference]: Start difference. First operand 797 states and 1150 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:59:14,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:14,127 INFO L93 Difference]: Finished difference Result 1771 states and 2554 transitions. [2024-11-20 08:59:14,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 08:59:14,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2024-11-20 08:59:14,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:14,131 INFO L225 Difference]: With dead ends: 1771 [2024-11-20 08:59:14,131 INFO L226 Difference]: Without dead ends: 977 [2024-11-20 08:59:14,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:59:14,132 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 65 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:14,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 679 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 08:59:14,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-11-20 08:59:14,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 839. [2024-11-20 08:59:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 774 states have (on average 1.4134366925064599) internal successors, (1094), 778 states have internal predecessors, (1094), 58 states have call successors, (58), 6 states have call predecessors, (58), 6 states have return successors, (58), 54 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 08:59:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1210 transitions. [2024-11-20 08:59:14,153 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1210 transitions. Word has length 155 [2024-11-20 08:59:14,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:14,153 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 1210 transitions. [2024-11-20 08:59:14,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:59:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1210 transitions. [2024-11-20 08:59:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:14,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:14,154 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:14,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 08:59:14,155 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:14,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:14,155 INFO L85 PathProgramCache]: Analyzing trace with hash -469174033, now seen corresponding path program 1 times [2024-11-20 08:59:14,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:14,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739855003] [2024-11-20 08:59:14,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:14,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:14,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:14,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739855003] [2024-11-20 08:59:14,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739855003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:14,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:14,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 08:59:14,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792208285] [2024-11-20 08:59:14,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:14,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 08:59:14,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:14,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 08:59:14,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-20 08:59:14,945 INFO L87 Difference]: Start difference. First operand 839 states and 1210 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:15,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:15,810 INFO L93 Difference]: Finished difference Result 1878 states and 2698 transitions. [2024-11-20 08:59:15,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 08:59:15,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-20 08:59:15,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:15,815 INFO L225 Difference]: With dead ends: 1878 [2024-11-20 08:59:15,815 INFO L226 Difference]: Without dead ends: 1042 [2024-11-20 08:59:15,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-20 08:59:15,817 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 168 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:15,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 973 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 08:59:15,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-11-20 08:59:15,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 850. [2024-11-20 08:59:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 780 states have (on average 1.4076923076923078) internal successors, (1098), 785 states have internal predecessors, (1098), 62 states have call successors, (62), 7 states have call predecessors, (62), 7 states have return successors, (62), 57 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 08:59:15,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1222 transitions. [2024-11-20 08:59:15,850 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1222 transitions. Word has length 155 [2024-11-20 08:59:15,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:15,851 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1222 transitions. [2024-11-20 08:59:15,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:15,851 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1222 transitions. [2024-11-20 08:59:15,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:15,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:15,856 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:15,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-20 08:59:15,856 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:15,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:15,857 INFO L85 PathProgramCache]: Analyzing trace with hash -211008595, now seen corresponding path program 1 times [2024-11-20 08:59:15,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:15,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231165135] [2024-11-20 08:59:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:15,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:17,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:17,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231165135] [2024-11-20 08:59:17,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231165135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:17,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:17,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 08:59:17,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053615314] [2024-11-20 08:59:17,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:17,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 08:59:17,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:17,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 08:59:17,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2024-11-20 08:59:17,318 INFO L87 Difference]: Start difference. First operand 850 states and 1222 transitions. Second operand has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:19,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:19,037 INFO L93 Difference]: Finished difference Result 1814 states and 2604 transitions. [2024-11-20 08:59:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 08:59:19,037 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-20 08:59:19,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:19,041 INFO L225 Difference]: With dead ends: 1814 [2024-11-20 08:59:19,041 INFO L226 Difference]: Without dead ends: 980 [2024-11-20 08:59:19,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2024-11-20 08:59:19,043 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 171 mSDsluCounter, 1968 mSDsCounter, 0 mSdLazyCounter, 1658 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 2171 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:19,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 2171 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1658 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 08:59:19,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-20 08:59:19,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 872. [2024-11-20 08:59:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 802 states have (on average 1.4077306733167083) internal successors, (1129), 807 states have internal predecessors, (1129), 62 states have call successors, (62), 7 states have call predecessors, (62), 7 states have return successors, (62), 57 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 08:59:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1253 transitions. [2024-11-20 08:59:19,081 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1253 transitions. Word has length 155 [2024-11-20 08:59:19,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:19,081 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1253 transitions. [2024-11-20 08:59:19,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:19,082 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1253 transitions. [2024-11-20 08:59:19,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:19,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:19,083 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:19,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-20 08:59:19,084 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:19,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:19,084 INFO L85 PathProgramCache]: Analyzing trace with hash -76995089, now seen corresponding path program 1 times [2024-11-20 08:59:19,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:19,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524707882] [2024-11-20 08:59:19,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:19,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:20,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:20,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524707882] [2024-11-20 08:59:20,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524707882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:20,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:20,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 08:59:20,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994672430] [2024-11-20 08:59:20,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:20,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 08:59:20,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:20,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 08:59:20,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-20 08:59:20,143 INFO L87 Difference]: Start difference. First operand 872 states and 1253 transitions. Second operand has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:59:20,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:20,981 INFO L93 Difference]: Finished difference Result 1345 states and 1929 transitions. [2024-11-20 08:59:20,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 08:59:20,986 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2024-11-20 08:59:20,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:20,990 INFO L225 Difference]: With dead ends: 1345 [2024-11-20 08:59:20,990 INFO L226 Difference]: Without dead ends: 947 [2024-11-20 08:59:20,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-20 08:59:20,991 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 64 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:20,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 1693 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 08:59:20,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-11-20 08:59:21,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 854. [2024-11-20 08:59:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 784 states have (on average 1.405612244897959) internal successors, (1102), 789 states have internal predecessors, (1102), 62 states have call successors, (62), 7 states have call predecessors, (62), 7 states have return successors, (62), 57 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 08:59:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1226 transitions. [2024-11-20 08:59:21,024 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1226 transitions. Word has length 155 [2024-11-20 08:59:21,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:21,024 INFO L471 AbstractCegarLoop]: Abstraction has 854 states and 1226 transitions. [2024-11-20 08:59:21,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.846153846153846) internal successors, (63), 14 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:59:21,025 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1226 transitions. [2024-11-20 08:59:21,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:21,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:21,026 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:21,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-20 08:59:21,027 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:21,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:21,027 INFO L85 PathProgramCache]: Analyzing trace with hash 516361835, now seen corresponding path program 1 times [2024-11-20 08:59:21,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:21,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003280432] [2024-11-20 08:59:21,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:21,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:21,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:21,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003280432] [2024-11-20 08:59:21,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003280432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:21,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:21,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 08:59:21,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524623220] [2024-11-20 08:59:21,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:21,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 08:59:21,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:21,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 08:59:21,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:59:21,803 INFO L87 Difference]: Start difference. First operand 854 states and 1226 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:59:22,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:22,230 INFO L93 Difference]: Finished difference Result 1756 states and 2522 transitions. [2024-11-20 08:59:22,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 08:59:22,230 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2024-11-20 08:59:22,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:22,233 INFO L225 Difference]: With dead ends: 1756 [2024-11-20 08:59:22,234 INFO L226 Difference]: Without dead ends: 918 [2024-11-20 08:59:22,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:59:22,235 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 63 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:22,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 712 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 08:59:22,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2024-11-20 08:59:22,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 854. [2024-11-20 08:59:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 854 states, 784 states have (on average 1.4005102040816326) internal successors, (1098), 789 states have internal predecessors, (1098), 62 states have call successors, (62), 7 states have call predecessors, (62), 7 states have return successors, (62), 57 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 08:59:22,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1222 transitions. [2024-11-20 08:59:22,258 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1222 transitions. Word has length 155 [2024-11-20 08:59:22,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:22,259 INFO L471 AbstractCegarLoop]: Abstraction has 854 states and 1222 transitions. [2024-11-20 08:59:22,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:59:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1222 transitions. [2024-11-20 08:59:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:22,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:22,260 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:22,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-20 08:59:22,260 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:22,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:22,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1527479085, now seen corresponding path program 1 times [2024-11-20 08:59:22,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:22,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699542863] [2024-11-20 08:59:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:22,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:23,385 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:23,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:23,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699542863] [2024-11-20 08:59:23,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699542863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:23,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:23,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 08:59:23,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891164639] [2024-11-20 08:59:23,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:23,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 08:59:23,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:23,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 08:59:23,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-20 08:59:23,386 INFO L87 Difference]: Start difference. First operand 854 states and 1222 transitions. Second operand has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:24,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:24,592 INFO L93 Difference]: Finished difference Result 1854 states and 2645 transitions. [2024-11-20 08:59:24,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 08:59:24,592 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-20 08:59:24,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:24,595 INFO L225 Difference]: With dead ends: 1854 [2024-11-20 08:59:24,595 INFO L226 Difference]: Without dead ends: 1016 [2024-11-20 08:59:24,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=479, Unknown=0, NotChecked=0, Total=552 [2024-11-20 08:59:24,597 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 187 mSDsluCounter, 1818 mSDsCounter, 0 mSdLazyCounter, 1617 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:24,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 2047 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1617 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 08:59:24,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2024-11-20 08:59:24,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 954. [2024-11-20 08:59:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 879 states have (on average 1.398179749715586) internal successors, (1229), 885 states have internal predecessors, (1229), 66 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 60 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 08:59:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1361 transitions. [2024-11-20 08:59:24,627 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1361 transitions. Word has length 155 [2024-11-20 08:59:24,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:24,627 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1361 transitions. [2024-11-20 08:59:24,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:24,627 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1361 transitions. [2024-11-20 08:59:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:24,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:24,629 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:24,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-20 08:59:24,629 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:24,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:24,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1661492591, now seen corresponding path program 1 times [2024-11-20 08:59:24,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:24,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409309529] [2024-11-20 08:59:24,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:24,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:25,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:25,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409309529] [2024-11-20 08:59:25,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409309529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:25,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:25,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 08:59:25,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929142129] [2024-11-20 08:59:25,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:25,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 08:59:25,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:25,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 08:59:25,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-20 08:59:25,619 INFO L87 Difference]: Start difference. First operand 954 states and 1361 transitions. Second operand has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 15 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:26,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:26,638 INFO L93 Difference]: Finished difference Result 1419 states and 2020 transitions. [2024-11-20 08:59:26,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 08:59:26,639 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 15 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-20 08:59:26,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:26,642 INFO L225 Difference]: With dead ends: 1419 [2024-11-20 08:59:26,642 INFO L226 Difference]: Without dead ends: 971 [2024-11-20 08:59:26,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-20 08:59:26,643 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 77 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 1443 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:26,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 2016 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1443 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 08:59:26,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-11-20 08:59:26,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 931. [2024-11-20 08:59:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 856 states have (on average 1.397196261682243) internal successors, (1196), 862 states have internal predecessors, (1196), 66 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 60 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 08:59:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1328 transitions. [2024-11-20 08:59:26,669 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1328 transitions. Word has length 155 [2024-11-20 08:59:26,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:26,669 INFO L471 AbstractCegarLoop]: Abstraction has 931 states and 1328 transitions. [2024-11-20 08:59:26,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 15 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1328 transitions. [2024-11-20 08:59:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:26,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:26,671 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:26,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-20 08:59:26,671 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:26,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:26,671 INFO L85 PathProgramCache]: Analyzing trace with hash -586094739, now seen corresponding path program 1 times [2024-11-20 08:59:26,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:26,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614433732] [2024-11-20 08:59:26,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:26,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:28,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:28,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614433732] [2024-11-20 08:59:28,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614433732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:28,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:28,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-20 08:59:28,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968294238] [2024-11-20 08:59:28,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:28,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 08:59:28,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:28,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 08:59:28,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2024-11-20 08:59:28,040 INFO L87 Difference]: Start difference. First operand 931 states and 1328 transitions. Second operand has 18 states, 15 states have (on average 4.2) internal successors, (63), 18 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:59:29,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:29,897 INFO L93 Difference]: Finished difference Result 2015 states and 2865 transitions. [2024-11-20 08:59:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 08:59:29,898 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 4.2) internal successors, (63), 18 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 155 [2024-11-20 08:59:29,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:29,901 INFO L225 Difference]: With dead ends: 2015 [2024-11-20 08:59:29,901 INFO L226 Difference]: Without dead ends: 1087 [2024-11-20 08:59:29,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2024-11-20 08:59:29,903 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 189 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 2338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:29,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 2583 Invalid, 2338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 08:59:29,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-11-20 08:59:29,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 948. [2024-11-20 08:59:29,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 873 states have (on average 1.3986254295532645) internal successors, (1221), 879 states have internal predecessors, (1221), 66 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 60 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 08:59:29,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1353 transitions. [2024-11-20 08:59:29,933 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1353 transitions. Word has length 155 [2024-11-20 08:59:29,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:29,933 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1353 transitions. [2024-11-20 08:59:29,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 4.2) internal successors, (63), 18 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:59:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1353 transitions. [2024-11-20 08:59:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:29,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:29,935 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:29,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-20 08:59:29,935 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:29,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:29,935 INFO L85 PathProgramCache]: Analyzing trace with hash -452081233, now seen corresponding path program 1 times [2024-11-20 08:59:29,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:29,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865124861] [2024-11-20 08:59:29,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:59:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:59:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:59:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:59:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:59:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:59:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:59:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:59:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:59:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:59:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:59:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:59:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:59:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:59:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:59:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:59:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:59:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:59:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:59:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:59:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:59:30,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:59:30,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865124861] [2024-11-20 08:59:30,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865124861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:59:30,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:59:30,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 08:59:30,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020882698] [2024-11-20 08:59:30,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:59:30,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 08:59:30,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:59:30,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 08:59:30,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-20 08:59:30,938 INFO L87 Difference]: Start difference. First operand 948 states and 1353 transitions. Second operand has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 15 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:31,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:59:31,937 INFO L93 Difference]: Finished difference Result 1487 states and 2114 transitions. [2024-11-20 08:59:31,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 08:59:31,937 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 15 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-20 08:59:31,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:59:31,941 INFO L225 Difference]: With dead ends: 1487 [2024-11-20 08:59:31,941 INFO L226 Difference]: Without dead ends: 1042 [2024-11-20 08:59:31,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-20 08:59:31,943 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 77 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 08:59:31,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1890 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 08:59:31,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-11-20 08:59:31,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 925. [2024-11-20 08:59:31,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 850 states have (on average 1.3976470588235295) internal successors, (1188), 856 states have internal predecessors, (1188), 66 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 60 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 08:59:31,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1320 transitions. [2024-11-20 08:59:31,976 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1320 transitions. Word has length 155 [2024-11-20 08:59:31,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:59:31,977 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1320 transitions. [2024-11-20 08:59:31,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 4.846153846153846) internal successors, (63), 15 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 08:59:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1320 transitions. [2024-11-20 08:59:31,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 08:59:31,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:59:31,978 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:59:31,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-20 08:59:31,979 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:59:31,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:59:31,979 INFO L85 PathProgramCache]: Analyzing trace with hash 515215021, now seen corresponding path program 1 times [2024-11-20 08:59:31,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:59:31,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120948854] [2024-11-20 08:59:31,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:59:31,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:59:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat