./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-44.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-44.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 f5e750e5fa316e30fef8e3158d304f9d418ce308f7b74e89da459ba726747abe --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 08:57:07,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 08:57:07,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 08:57:07,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 08:57:07,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 08:57:07,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 08:57:07,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 08:57:07,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 08:57:07,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 08:57:07,964 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 08:57:07,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 08:57:07,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 08:57:07,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 08:57:07,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 08:57:07,967 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 08:57:07,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 08:57:07,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 08:57:07,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 08:57:07,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 08:57:07,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 08:57:07,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 08:57:07,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 08:57:07,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 08:57:07,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 08:57:07,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 08:57:07,971 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 08:57:07,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 08:57:07,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 08:57:07,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 08:57:07,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 08:57:07,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 08:57:07,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 08:57:07,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:57:07,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 08:57:07,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 08:57:07,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 08:57:07,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 08:57:07,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 08:57:07,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 08:57:07,979 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 08:57:07,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 08:57:07,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 08:57:07,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5e750e5fa316e30fef8e3158d304f9d418ce308f7b74e89da459ba726747abe [2024-11-20 08:57:08,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 08:57:08,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 08:57:08,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 08:57:08,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 08:57:08,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 08:57:08,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i [2024-11-20 08:57:09,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 08:57:10,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 08:57:10,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-44.i [2024-11-20 08:57:10,084 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0916d16bc/6b393bd0089d471bb535c43ed99c83aa/FLAG2c9636eac [2024-11-20 08:57:10,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0916d16bc/6b393bd0089d471bb535c43ed99c83aa [2024-11-20 08:57:10,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 08:57:10,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 08:57:10,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 08:57:10,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 08:57:10,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 08:57:10,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ac7243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10, skipping insertion in model container [2024-11-20 08:57:10,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 08:57:10,356 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-44.i[916,929] [2024-11-20 08:57:10,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:57:10,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 08:57:10,443 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-44.i[916,929] [2024-11-20 08:57:10,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:57:10,511 INFO L204 MainTranslator]: Completed translation [2024-11-20 08:57:10,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10 WrapperNode [2024-11-20 08:57:10,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 08:57:10,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 08:57:10,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 08:57:10,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 08:57:10,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,592 INFO L138 Inliner]: procedures = 30, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 485 [2024-11-20 08:57:10,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 08:57:10,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 08:57:10,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 08:57:10,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 08:57:10,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,626 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-20 08:57:10,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 08:57:10,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 08:57:10,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 08:57:10,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 08:57:10,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (1/1) ... [2024-11-20 08:57:10,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:57:10,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 08:57:10,719 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 08:57:10,725 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 08:57:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 08:57:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-20 08:57:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-20 08:57:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-20 08:57:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 08:57:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-20 08:57:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 08:57:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 08:57:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 08:57:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 08:57:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 08:57:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 08:57:10,955 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 08:57:10,956 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 08:57:11,681 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-20 08:57:11,681 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 08:57:11,707 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 08:57:11,709 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 08:57:11,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:57:11 BoogieIcfgContainer [2024-11-20 08:57:11,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 08:57:11,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 08:57:11,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 08:57:11,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 08:57:11,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:57:10" (1/3) ... [2024-11-20 08:57:11,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1aecea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:57:11, skipping insertion in model container [2024-11-20 08:57:11,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:57:10" (2/3) ... [2024-11-20 08:57:11,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1aecea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:57:11, skipping insertion in model container [2024-11-20 08:57:11,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:57:11" (3/3) ... [2024-11-20 08:57:11,721 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-44.i [2024-11-20 08:57:11,738 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 08:57:11,738 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 08:57:11,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 08:57:11,804 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;@1b43e452, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 08:57:11,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 08:57:11,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 95 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 08:57:11,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-20 08:57:11,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:11,824 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:11,824 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:11,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:11,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1924656963, now seen corresponding path program 1 times [2024-11-20 08:57:11,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:11,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377775182] [2024-11-20 08:57:11,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:11,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:12,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:12,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377775182] [2024-11-20 08:57:12,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377775182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:12,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:12,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 08:57:12,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165838655] [2024-11-20 08:57:12,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:12,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 08:57:12,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:12,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 08:57:12,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:57:12,445 INFO L87 Difference]: Start difference. First operand has 118 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 95 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 08:57:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:12,493 INFO L93 Difference]: Finished difference Result 229 states and 359 transitions. [2024-11-20 08:57:12,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 08:57:12,496 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2024-11-20 08:57:12,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:12,529 INFO L225 Difference]: With dead ends: 229 [2024-11-20 08:57:12,530 INFO L226 Difference]: Without dead ends: 114 [2024-11-20 08:57:12,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 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 08:57:12,537 INFO L432 NwaCegarLoop]: 165 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, 165 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 08:57:12,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:57:12,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-20 08:57:12,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-20 08:57:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 91 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 08:57:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 165 transitions. [2024-11-20 08:57:12,599 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 165 transitions. Word has length 159 [2024-11-20 08:57:12,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:12,600 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 165 transitions. [2024-11-20 08:57:12,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 08:57:12,601 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 165 transitions. [2024-11-20 08:57:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-20 08:57:12,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:12,605 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:12,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 08:57:12,605 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:12,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:12,606 INFO L85 PathProgramCache]: Analyzing trace with hash -781629009, now seen corresponding path program 1 times [2024-11-20 08:57:12,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:12,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303716271] [2024-11-20 08:57:12,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:12,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:13,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:13,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303716271] [2024-11-20 08:57:13,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303716271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:13,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:13,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:57:13,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275739178] [2024-11-20 08:57:13,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:13,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:57:13,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:13,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:57:13,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:57:13,103 INFO L87 Difference]: Start difference. First operand 114 states and 165 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 08:57:13,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:13,154 INFO L93 Difference]: Finished difference Result 227 states and 330 transitions. [2024-11-20 08:57:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:57:13,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 159 [2024-11-20 08:57:13,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:13,159 INFO L225 Difference]: With dead ends: 227 [2024-11-20 08:57:13,159 INFO L226 Difference]: Without dead ends: 116 [2024-11-20 08:57:13,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 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 08:57:13,164 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 478 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 08:57:13,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 478 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:57:13,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-20 08:57:13,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-20 08:57:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 93 states have (on average 1.3440860215053763) internal successors, (125), 93 states have internal predecessors, (125), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 08:57:13,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2024-11-20 08:57:13,186 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 159 [2024-11-20 08:57:13,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:13,190 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2024-11-20 08:57:13,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 08:57:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2024-11-20 08:57:13,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-20 08:57:13,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:13,195 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:13,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 08:57:13,195 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:13,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:13,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1483228883, now seen corresponding path program 1 times [2024-11-20 08:57:13,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:13,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943700713] [2024-11-20 08:57:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:13,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:13,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:13,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943700713] [2024-11-20 08:57:13,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943700713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:13,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:13,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:57:13,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746600472] [2024-11-20 08:57:13,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:13,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:57:13,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:13,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:57:13,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:57:13,547 INFO L87 Difference]: Start difference. First operand 116 states and 167 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:13,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:13,596 INFO L93 Difference]: Finished difference Result 232 states and 335 transitions. [2024-11-20 08:57:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:57:13,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-20 08:57:13,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:13,599 INFO L225 Difference]: With dead ends: 232 [2024-11-20 08:57:13,599 INFO L226 Difference]: Without dead ends: 119 [2024-11-20 08:57:13,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 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 08:57:13,601 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:13,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 477 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:57:13,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-20 08:57:13,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-11-20 08:57:13,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 95 states have internal predecessors, (127), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 08:57:13,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2024-11-20 08:57:13,618 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 159 [2024-11-20 08:57:13,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:13,618 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2024-11-20 08:57:13,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2024-11-20 08:57:13,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-20 08:57:13,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:13,624 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:13,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 08:57:13,628 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:13,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:13,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1481381841, now seen corresponding path program 1 times [2024-11-20 08:57:13,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:13,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927968657] [2024-11-20 08:57:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:13,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:14,322 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:14,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:14,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927968657] [2024-11-20 08:57:14,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927968657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:14,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:14,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:57:14,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110404174] [2024-11-20 08:57:14,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:14,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:57:14,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:14,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:57:14,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:57:14,326 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:14,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:14,684 INFO L93 Difference]: Finished difference Result 287 states and 412 transitions. [2024-11-20 08:57:14,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:57:14,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2024-11-20 08:57:14,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:14,687 INFO L225 Difference]: With dead ends: 287 [2024-11-20 08:57:14,687 INFO L226 Difference]: Without dead ends: 172 [2024-11-20 08:57:14,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:57:14,689 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 63 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:14,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 555 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 08:57:14,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-20 08:57:14,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 136. [2024-11-20 08:57:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 08:57:14,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2024-11-20 08:57:14,700 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 159 [2024-11-20 08:57:14,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:14,701 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2024-11-20 08:57:14,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:14,701 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2024-11-20 08:57:14,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 08:57:14,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:14,703 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:14,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 08:57:14,703 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:14,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:14,704 INFO L85 PathProgramCache]: Analyzing trace with hash -390938977, now seen corresponding path program 1 times [2024-11-20 08:57:14,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:14,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580642040] [2024-11-20 08:57:14,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:14,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:17,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:17,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580642040] [2024-11-20 08:57:17,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580642040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:17,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:17,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 08:57:17,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586376914] [2024-11-20 08:57:17,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:17,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 08:57:17,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:17,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 08:57:17,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:57:17,116 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:17,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:17,977 INFO L93 Difference]: Finished difference Result 313 states and 447 transitions. [2024-11-20 08:57:17,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 08:57:17,978 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 160 [2024-11-20 08:57:17,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:17,980 INFO L225 Difference]: With dead ends: 313 [2024-11-20 08:57:17,980 INFO L226 Difference]: Without dead ends: 180 [2024-11-20 08:57:17,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-20 08:57:17,981 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 70 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:17,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 890 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 08:57:17,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-20 08:57:18,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 177. [2024-11-20 08:57:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 151 states have (on average 1.3576158940397351) internal successors, (205), 152 states have internal predecessors, (205), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 08:57:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 251 transitions. [2024-11-20 08:57:18,011 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 251 transitions. Word has length 160 [2024-11-20 08:57:18,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:18,013 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 251 transitions. [2024-11-20 08:57:18,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:18,013 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 251 transitions. [2024-11-20 08:57:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-20 08:57:18,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:18,017 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:18,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 08:57:18,018 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:18,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:18,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1793675834, now seen corresponding path program 1 times [2024-11-20 08:57:18,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:18,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809751594] [2024-11-20 08:57:18,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:18,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:18,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:18,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809751594] [2024-11-20 08:57:18,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809751594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:18,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:18,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 08:57:18,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424354602] [2024-11-20 08:57:18,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:18,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 08:57:18,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:18,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 08:57:18,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:57:18,287 INFO L87 Difference]: Start difference. First operand 177 states and 251 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:18,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:18,324 INFO L93 Difference]: Finished difference Result 357 states and 507 transitions. [2024-11-20 08:57:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 08:57:18,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 161 [2024-11-20 08:57:18,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:18,330 INFO L225 Difference]: With dead ends: 357 [2024-11-20 08:57:18,330 INFO L226 Difference]: Without dead ends: 183 [2024-11-20 08:57:18,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 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 08:57:18,332 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 631 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 08:57:18,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 631 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:57:18,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-20 08:57:18,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-20 08:57:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 157 states have (on average 1.3439490445859872) internal successors, (211), 158 states have internal predecessors, (211), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-20 08:57:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 257 transitions. [2024-11-20 08:57:18,353 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 257 transitions. Word has length 161 [2024-11-20 08:57:18,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:18,354 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 257 transitions. [2024-11-20 08:57:18,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 257 transitions. [2024-11-20 08:57:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 08:57:18,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:18,358 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:18,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 08:57:18,358 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:18,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:18,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1401103225, now seen corresponding path program 1 times [2024-11-20 08:57:18,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:18,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148482732] [2024-11-20 08:57:18,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:18,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:20,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:20,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148482732] [2024-11-20 08:57:20,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148482732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:20,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:20,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 08:57:20,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918439329] [2024-11-20 08:57:20,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:20,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 08:57:20,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:20,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 08:57:20,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:57:20,283 INFO L87 Difference]: Start difference. First operand 183 states and 257 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:20,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:20,745 INFO L93 Difference]: Finished difference Result 364 states and 507 transitions. [2024-11-20 08:57:20,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 08:57:20,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2024-11-20 08:57:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:20,747 INFO L225 Difference]: With dead ends: 364 [2024-11-20 08:57:20,747 INFO L226 Difference]: Without dead ends: 184 [2024-11-20 08:57:20,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 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 08:57:20,749 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 64 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:20,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 528 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 08:57:20,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-20 08:57:20,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 143. [2024-11-20 08:57:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 119 states have (on average 1.3277310924369747) internal successors, (158), 119 states have internal predecessors, (158), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 08:57:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 200 transitions. [2024-11-20 08:57:20,765 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 200 transitions. Word has length 163 [2024-11-20 08:57:20,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:20,766 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 200 transitions. [2024-11-20 08:57:20,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 200 transitions. [2024-11-20 08:57:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 08:57:20,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:20,768 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:20,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 08:57:20,768 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:20,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:20,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2045035359, now seen corresponding path program 1 times [2024-11-20 08:57:20,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:20,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450706719] [2024-11-20 08:57:20,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:20,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:20,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:20,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450706719] [2024-11-20 08:57:20,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450706719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:20,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:20,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 08:57:20,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077961733] [2024-11-20 08:57:20,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:20,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 08:57:20,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:20,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 08:57:20,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:57:20,946 INFO L87 Difference]: Start difference. First operand 143 states and 200 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:20,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:20,960 INFO L93 Difference]: Finished difference Result 283 states and 397 transitions. [2024-11-20 08:57:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 08:57:20,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163 [2024-11-20 08:57:20,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:20,962 INFO L225 Difference]: With dead ends: 283 [2024-11-20 08:57:20,962 INFO L226 Difference]: Without dead ends: 143 [2024-11-20 08:57:20,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 08:57:20,963 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:20,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 322 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:57:20,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-20 08:57:20,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-20 08:57:20,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 119 states have (on average 1.319327731092437) internal successors, (157), 119 states have internal predecessors, (157), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-20 08:57:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 199 transitions. [2024-11-20 08:57:20,972 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 199 transitions. Word has length 163 [2024-11-20 08:57:20,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:20,973 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 199 transitions. [2024-11-20 08:57:20,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 199 transitions. [2024-11-20 08:57:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 08:57:20,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:20,975 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:20,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 08:57:20,975 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:20,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:20,976 INFO L85 PathProgramCache]: Analyzing trace with hash 206240503, now seen corresponding path program 1 times [2024-11-20 08:57:20,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:20,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711273496] [2024-11-20 08:57:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:20,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:22,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:22,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711273496] [2024-11-20 08:57:22,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711273496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:22,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:22,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:57:22,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923665238] [2024-11-20 08:57:22,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:22,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:57:22,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:22,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:57:22,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:57:22,448 INFO L87 Difference]: Start difference. First operand 143 states and 199 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:22,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:22,696 INFO L93 Difference]: Finished difference Result 423 states and 591 transitions. [2024-11-20 08:57:22,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:57:22,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 164 [2024-11-20 08:57:22,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:22,699 INFO L225 Difference]: With dead ends: 423 [2024-11-20 08:57:22,699 INFO L226 Difference]: Without dead ends: 283 [2024-11-20 08:57:22,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:57:22,703 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 97 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:22,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 284 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 08:57:22,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-20 08:57:22,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 269. [2024-11-20 08:57:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 222 states have (on average 1.3063063063063063) internal successors, (290), 222 states have internal predecessors, (290), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 08:57:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 374 transitions. [2024-11-20 08:57:22,732 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 374 transitions. Word has length 164 [2024-11-20 08:57:22,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:22,733 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 374 transitions. [2024-11-20 08:57:22,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 374 transitions. [2024-11-20 08:57:22,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-20 08:57:22,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:22,735 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:22,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 08:57:22,736 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:22,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:22,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1670063198, now seen corresponding path program 1 times [2024-11-20 08:57:22,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:22,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127935607] [2024-11-20 08:57:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:22,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:22,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:22,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127935607] [2024-11-20 08:57:22,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127935607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:22,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:22,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:57:22,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643134864] [2024-11-20 08:57:22,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:22,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:57:22,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:22,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:57:22,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:57:22,928 INFO L87 Difference]: Start difference. First operand 269 states and 374 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:23,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:23,128 INFO L93 Difference]: Finished difference Result 537 states and 747 transitions. [2024-11-20 08:57:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:57:23,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2024-11-20 08:57:23,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:23,132 INFO L225 Difference]: With dead ends: 537 [2024-11-20 08:57:23,133 INFO L226 Difference]: Without dead ends: 271 [2024-11-20 08:57:23,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 08:57:23,135 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 2 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:23,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 413 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 08:57:23,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-20 08:57:23,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 269. [2024-11-20 08:57:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 222 states have (on average 1.2882882882882882) internal successors, (286), 222 states have internal predecessors, (286), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 08:57:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 370 transitions. [2024-11-20 08:57:23,156 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 370 transitions. Word has length 165 [2024-11-20 08:57:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:23,157 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 370 transitions. [2024-11-20 08:57:23,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 370 transitions. [2024-11-20 08:57:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-20 08:57:23,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:23,161 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:23,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 08:57:23,161 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:23,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:23,162 INFO L85 PathProgramCache]: Analyzing trace with hash 694461997, now seen corresponding path program 1 times [2024-11-20 08:57:23,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:23,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515710] [2024-11-20 08:57:23,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:23,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:24,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:24,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515710] [2024-11-20 08:57:24,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:24,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:24,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 08:57:24,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309835830] [2024-11-20 08:57:24,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:24,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 08:57:24,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:24,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 08:57:24,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-20 08:57:24,759 INFO L87 Difference]: Start difference. First operand 269 states and 370 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 08:57:25,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:25,650 INFO L93 Difference]: Finished difference Result 692 states and 943 transitions. [2024-11-20 08:57:25,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 08:57:25,651 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 166 [2024-11-20 08:57:25,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:25,654 INFO L225 Difference]: With dead ends: 692 [2024-11-20 08:57:25,655 INFO L226 Difference]: Without dead ends: 426 [2024-11-20 08:57:25,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-20 08:57:25,656 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 78 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:25,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1086 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 08:57:25,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-20 08:57:25,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 417. [2024-11-20 08:57:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 350 states have (on average 1.28) internal successors, (448), 352 states have internal predecessors, (448), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 08:57:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 564 transitions. [2024-11-20 08:57:25,691 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 564 transitions. Word has length 166 [2024-11-20 08:57:25,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:25,692 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 564 transitions. [2024-11-20 08:57:25,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 08:57:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 564 transitions. [2024-11-20 08:57:25,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-20 08:57:25,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:25,695 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:25,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 08:57:25,695 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:25,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash 835010607, now seen corresponding path program 1 times [2024-11-20 08:57:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:25,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542424845] [2024-11-20 08:57:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:28,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:28,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542424845] [2024-11-20 08:57:28,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542424845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:28,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:28,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 08:57:28,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57290806] [2024-11-20 08:57:28,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:28,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 08:57:28,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:28,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 08:57:28,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 08:57:28,470 INFO L87 Difference]: Start difference. First operand 417 states and 564 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 08:57:30,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:30,440 INFO L93 Difference]: Finished difference Result 989 states and 1336 transitions. [2024-11-20 08:57:30,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 08:57:30,441 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 166 [2024-11-20 08:57:30,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:30,444 INFO L225 Difference]: With dead ends: 989 [2024-11-20 08:57:30,445 INFO L226 Difference]: Without dead ends: 575 [2024-11-20 08:57:30,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-20 08:57:30,447 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 87 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:30,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 1151 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 08:57:30,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-20 08:57:30,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 455. [2024-11-20 08:57:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 388 states have (on average 1.2938144329896908) internal successors, (502), 390 states have internal predecessors, (502), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 08:57:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 618 transitions. [2024-11-20 08:57:30,480 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 618 transitions. Word has length 166 [2024-11-20 08:57:30,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:30,480 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 618 transitions. [2024-11-20 08:57:30,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 08:57:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 618 transitions. [2024-11-20 08:57:30,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-20 08:57:30,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:30,484 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:30,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 08:57:30,484 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:30,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:30,485 INFO L85 PathProgramCache]: Analyzing trace with hash -176106643, now seen corresponding path program 1 times [2024-11-20 08:57:30,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:30,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521227979] [2024-11-20 08:57:30,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:30,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:31,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:31,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521227979] [2024-11-20 08:57:31,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521227979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:31,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:31,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 08:57:31,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582711584] [2024-11-20 08:57:31,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:31,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 08:57:31,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:31,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 08:57:31,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:57:31,969 INFO L87 Difference]: Start difference. First operand 455 states and 618 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:32,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:32,402 INFO L93 Difference]: Finished difference Result 1103 states and 1492 transitions. [2024-11-20 08:57:32,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 08:57:32,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2024-11-20 08:57:32,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:32,408 INFO L225 Difference]: With dead ends: 1103 [2024-11-20 08:57:32,408 INFO L226 Difference]: Without dead ends: 651 [2024-11-20 08:57:32,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:57:32,411 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 59 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:32,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 558 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 08:57:32,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-11-20 08:57:32,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 483. [2024-11-20 08:57:32,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 416 states have (on average 1.2932692307692308) internal successors, (538), 418 states have internal predecessors, (538), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 08:57:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 654 transitions. [2024-11-20 08:57:32,448 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 654 transitions. Word has length 166 [2024-11-20 08:57:32,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:32,449 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 654 transitions. [2024-11-20 08:57:32,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 654 transitions. [2024-11-20 08:57:32,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-20 08:57:32,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:32,452 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:32,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 08:57:32,452 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:32,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:32,452 INFO L85 PathProgramCache]: Analyzing trace with hash 325537517, now seen corresponding path program 1 times [2024-11-20 08:57:32,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:32,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301635062] [2024-11-20 08:57:32,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:32,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:57:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:57:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:57:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:57:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:57:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:57:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:57:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 08:57:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 08:57:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:57:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 08:57:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 08:57:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:57:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 08:57:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 08:57:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 08:57:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 08:57:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 08:57:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 08:57:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 08:57:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 08:57:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-20 08:57:33,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:57:33,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301635062] [2024-11-20 08:57:33,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301635062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:57:33,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:57:33,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 08:57:33,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875003616] [2024-11-20 08:57:33,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:57:33,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 08:57:33,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:57:33,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 08:57:33,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 08:57:33,730 INFO L87 Difference]: Start difference. First operand 483 states and 654 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:34,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:57:34,309 INFO L93 Difference]: Finished difference Result 1131 states and 1524 transitions. [2024-11-20 08:57:34,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 08:57:34,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 166 [2024-11-20 08:57:34,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:57:34,313 INFO L225 Difference]: With dead ends: 1131 [2024-11-20 08:57:34,313 INFO L226 Difference]: Without dead ends: 651 [2024-11-20 08:57:34,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 08:57:34,315 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 58 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 08:57:34,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 620 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 08:57:34,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2024-11-20 08:57:34,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 483. [2024-11-20 08:57:34,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 416 states have (on average 1.2836538461538463) internal successors, (534), 418 states have internal predecessors, (534), 58 states have call successors, (58), 8 states have call predecessors, (58), 8 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 08:57:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 650 transitions. [2024-11-20 08:57:34,342 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 650 transitions. Word has length 166 [2024-11-20 08:57:34,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:57:34,342 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 650 transitions. [2024-11-20 08:57:34,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-20 08:57:34,343 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 650 transitions. [2024-11-20 08:57:34,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-20 08:57:34,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:57:34,344 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:34,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 08:57:34,345 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:57:34,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:57:34,345 INFO L85 PathProgramCache]: Analyzing trace with hash -685579733, now seen corresponding path program 1 times [2024-11-20 08:57:34,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:57:34,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669746014] [2024-11-20 08:57:34,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:57:34,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:57:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:57:45,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete