./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.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 c6dac1e5238ed53a380160bb79ff5b6b2442b7be93876c5524c1d6a035c6da2a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 02:15:33,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:15:33,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 02:15:33,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:15:33,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:15:33,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:15:33,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:15:33,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:15:33,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:15:33,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:15:33,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:15:33,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:15:33,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:15:33,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:15:33,503 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:15:33,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:15:33,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:15:33,504 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 02:15:33,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:15:33,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 02:15:33,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:15:33,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:15:33,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:15:33,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:15:33,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:15:33,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 02:15:33,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:15:33,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:15:33,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:15:33,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:15:33,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:15:33,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:15:33,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:15:33,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:15:33,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:15:33,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:15:33,516 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:15:33,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:15:33,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:15:33,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:15:33,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:15:33,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:15:33,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6dac1e5238ed53a380160bb79ff5b6b2442b7be93876c5524c1d6a035c6da2a [2024-11-09 02:15:33,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:15:33,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:15:33,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:15:33,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:15:33,834 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:15:33,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i [2024-11-09 02:15:35,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:15:35,595 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:15:35,595 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i [2024-11-09 02:15:35,612 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74298fab/c9947f7397d04c83b8fbfb3f7191c44f/FLAGa225076ee [2024-11-09 02:15:35,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74298fab/c9947f7397d04c83b8fbfb3f7191c44f [2024-11-09 02:15:35,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:15:35,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:15:35,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:15:35,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:15:35,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:15:35,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:15:35" (1/1) ... [2024-11-09 02:15:35,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d176bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:35, skipping insertion in model container [2024-11-09 02:15:35,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:15:35" (1/1) ... [2024-11-09 02:15:35,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:15:35,863 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-sp_file-61.i[917,930] [2024-11-09 02:15:35,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:15:35,965 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:15:35,980 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-sp_file-61.i[917,930] [2024-11-09 02:15:36,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:15:36,052 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:15:36,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36 WrapperNode [2024-11-09 02:15:36,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:15:36,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:15:36,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:15:36,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:15:36,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,136 INFO L138 Inliner]: procedures = 30, calls = 184, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 524 [2024-11-09 02:15:36,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:15:36,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:15:36,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:15:36,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:15:36,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,164 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,175 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-09 02:15:36,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:15:36,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:15:36,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:15:36,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:15:36,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (1/1) ... [2024-11-09 02:15:36,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:15:36,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:15:36,270 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) [2024-11-09 02:15:36,273 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 [2024-11-09 02:15:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:15:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 02:15:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 02:15:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 02:15:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 02:15:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 02:15:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 02:15:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:15:36,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:15:36,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 02:15:36,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:15:36,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:15:36,470 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:15:36,472 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:15:37,300 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-09 02:15:37,301 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:15:37,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:15:37,322 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 02:15:37,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:15:37 BoogieIcfgContainer [2024-11-09 02:15:37,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:15:37,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:15:37,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:15:37,329 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:15:37,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:15:35" (1/3) ... [2024-11-09 02:15:37,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b83cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:15:37, skipping insertion in model container [2024-11-09 02:15:37,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:15:36" (2/3) ... [2024-11-09 02:15:37,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b83cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:15:37, skipping insertion in model container [2024-11-09 02:15:37,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:15:37" (3/3) ... [2024-11-09 02:15:37,337 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-61.i [2024-11-09 02:15:37,362 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:15:37,362 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:15:37,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:15:37,430 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;@7be508d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:15:37,431 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:15:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:15:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:15:37,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:15:37,461 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:15:37,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:15:37,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:15:37,468 INFO L85 PathProgramCache]: Analyzing trace with hash 686700268, now seen corresponding path program 1 times [2024-11-09 02:15:37,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:15:37,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433153790] [2024-11-09 02:15:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:15:37,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:15:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:37,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:15:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:15:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:15:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:15:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:15:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:15:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:15:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:15:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:15:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:15:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:15:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:15:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:15:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:15:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:15:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:15:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:15:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:15:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:15:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:15:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:15:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:15:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:15:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:15:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:15:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:15:38,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:15:38,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433153790] [2024-11-09 02:15:38,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433153790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:15:38,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:15:38,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 02:15:38,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341002326] [2024-11-09 02:15:38,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:15:38,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 02:15:38,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:15:38,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 02:15:38,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 02:15:38,205 INFO L87 Difference]: Start difference. First operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 02:15:38,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:15:38,235 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2024-11-09 02:15:38,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 02:15:38,239 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-11-09 02:15:38,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:15:38,247 INFO L225 Difference]: With dead ends: 233 [2024-11-09 02:15:38,247 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 02:15:38,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 02:15:38,255 INFO L432 NwaCegarLoop]: 168 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, 168 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 [2024-11-09 02:15:38,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:15:38,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 02:15:38,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-09 02:15:38,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:15:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-11-09 02:15:38,307 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 190 [2024-11-09 02:15:38,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:15:38,307 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-11-09 02:15:38,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-09 02:15:38,308 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-11-09 02:15:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:15:38,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:15:38,312 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:15:38,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:15:38,313 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:15:38,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:15:38,313 INFO L85 PathProgramCache]: Analyzing trace with hash 326820314, now seen corresponding path program 1 times [2024-11-09 02:15:38,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:15:38,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915977751] [2024-11-09 02:15:38,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:15:38,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:15:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:15:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:15:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:15:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:15:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:15:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:15:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:15:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:15:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:15:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:15:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:15:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:15:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:15:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:15:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:15:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:15:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:15:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:15:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:15:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:15:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:15:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:15:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:15:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:15:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:15:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:15:38,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:15:38,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915977751] [2024-11-09 02:15:38,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915977751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:15:38,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:15:38,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:15:38,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893183482] [2024-11-09 02:15:38,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:15:38,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:15:38,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:15:38,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:15:38,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:15:38,905 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:38,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:15:38,959 INFO L93 Difference]: Finished difference Result 232 states and 337 transitions. [2024-11-09 02:15:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:15:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-09 02:15:38,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:15:38,964 INFO L225 Difference]: With dead ends: 232 [2024-11-09 02:15:38,965 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 02:15:38,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:15:38,968 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:15:38,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 485 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:15:38,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 02:15:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-11-09 02:15:38,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:15:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 170 transitions. [2024-11-09 02:15:38,987 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 170 transitions. Word has length 190 [2024-11-09 02:15:38,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:15:38,989 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 170 transitions. [2024-11-09 02:15:38,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2024-11-09 02:15:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:15:38,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:15:38,993 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:15:38,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 02:15:38,993 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:15:38,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:15:38,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2101827676, now seen corresponding path program 1 times [2024-11-09 02:15:38,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:15:38,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238527995] [2024-11-09 02:15:38,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:15:38,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:15:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:15:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:15:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:15:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:15:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:15:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:15:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:15:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:15:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:15:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:15:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:15:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:15:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:15:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:15:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:15:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:15:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:15:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:15:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:15:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:15:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:15:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:15:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:15:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:15:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:15:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:15:39,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:15:39,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238527995] [2024-11-09 02:15:39,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238527995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:15:39,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:15:39,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:15:39,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406738889] [2024-11-09 02:15:39,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:15:39,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:15:39,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:15:39,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:15:39,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:15:39,365 INFO L87 Difference]: Start difference. First operand 118 states and 170 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:39,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:15:39,406 INFO L93 Difference]: Finished difference Result 236 states and 341 transitions. [2024-11-09 02:15:39,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:15:39,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-09 02:15:39,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:15:39,412 INFO L225 Difference]: With dead ends: 236 [2024-11-09 02:15:39,416 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 02:15:39,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:15:39,418 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:15:39,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 487 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:15:39,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 02:15:39,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-09 02:15:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:15:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-09 02:15:39,455 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 190 [2024-11-09 02:15:39,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:15:39,457 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-09 02:15:39,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-09 02:15:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:15:39,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:15:39,462 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:15:39,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 02:15:39,463 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:15:39,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:15:39,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2103674718, now seen corresponding path program 1 times [2024-11-09 02:15:39,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:15:39,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092985959] [2024-11-09 02:15:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:15:39,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:15:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:15:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:15:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:15:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:15:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:15:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:15:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:15:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:15:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:15:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:15:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:15:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:15:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:15:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:15:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:15:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:15:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:15:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:15:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:15:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:15:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:15:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:15:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:15:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:15:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:15:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:15:39,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:15:39,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092985959] [2024-11-09 02:15:39,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092985959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:15:39,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:15:39,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 02:15:39,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519342484] [2024-11-09 02:15:39,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:15:39,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 02:15:39,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:15:39,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 02:15:39,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:15:39,952 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:39,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:15:39,985 INFO L93 Difference]: Finished difference Result 239 states and 344 transitions. [2024-11-09 02:15:39,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 02:15:39,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-09 02:15:39,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:15:39,988 INFO L225 Difference]: With dead ends: 239 [2024-11-09 02:15:39,991 INFO L226 Difference]: Without dead ends: 122 [2024-11-09 02:15:39,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 02:15:39,994 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:15:39,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 02:15:39,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-09 02:15:40,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-09 02:15:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.305263157894737) internal successors, (124), 95 states have internal predecessors, (124), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 02:15:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-09 02:15:40,006 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 190 [2024-11-09 02:15:40,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:15:40,007 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-09 02:15:40,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-09 02:15:40,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:15:40,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:15:40,010 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:15:40,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 02:15:40,010 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:15:40,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:15:40,010 INFO L85 PathProgramCache]: Analyzing trace with hash 180446684, now seen corresponding path program 1 times [2024-11-09 02:15:40,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:15:40,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417982409] [2024-11-09 02:15:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:15:40,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:15:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:15:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:15:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:15:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:15:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:15:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:15:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:15:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:15:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:15:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:15:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:15:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:15:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:15:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:15:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:15:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:15:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:15:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:15:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:15:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:15:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:15:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:15:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:15:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:15:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:15:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:15:43,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:15:43,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417982409] [2024-11-09 02:15:43,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417982409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:15:43,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:15:43,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 02:15:43,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737766719] [2024-11-09 02:15:43,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:15:43,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 02:15:43,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:15:43,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 02:15:43,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-09 02:15:43,559 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 02:15:44,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:15:44,326 INFO L93 Difference]: Finished difference Result 260 states and 369 transitions. [2024-11-09 02:15:44,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 02:15:44,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 190 [2024-11-09 02:15:44,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:15:44,329 INFO L225 Difference]: With dead ends: 260 [2024-11-09 02:15:44,330 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 02:15:44,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-09 02:15:44,331 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 189 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 02:15:44,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 412 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 02:15:44,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 02:15:44,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 137. [2024-11-09 02:15:44,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 105 states have (on average 1.276190476190476) internal successors, (134), 106 states have internal predecessors, (134), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 02:15:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 192 transitions. [2024-11-09 02:15:44,359 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 192 transitions. Word has length 190 [2024-11-09 02:15:44,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:15:44,360 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 192 transitions. [2024-11-09 02:15:44,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 02:15:44,361 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2024-11-09 02:15:44,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:15:44,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:15:44,365 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:15:44,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 02:15:44,366 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:15:44,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:15:44,366 INFO L85 PathProgramCache]: Analyzing trace with hash -805089184, now seen corresponding path program 1 times [2024-11-09 02:15:44,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:15:44,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323683750] [2024-11-09 02:15:44,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:15:44,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:15:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:48,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:15:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:48,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:15:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:48,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:15:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:48,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:15:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:15:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:15:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:15:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:15:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:15:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:15:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:15:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:15:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:15:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:15:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:15:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:15:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:15:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:15:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:15:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:15:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:15:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:15:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:15:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:15:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:15:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:15:49,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:15:49,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323683750] [2024-11-09 02:15:49,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323683750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:15:49,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:15:49,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 02:15:49,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772301092] [2024-11-09 02:15:49,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:15:49,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 02:15:49,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:15:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 02:15:49,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-09 02:15:49,365 INFO L87 Difference]: Start difference. First operand 137 states and 192 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 02:15:50,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:15:50,797 INFO L93 Difference]: Finished difference Result 308 states and 436 transitions. [2024-11-09 02:15:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 02:15:50,798 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 190 [2024-11-09 02:15:50,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:15:50,802 INFO L225 Difference]: With dead ends: 308 [2024-11-09 02:15:50,802 INFO L226 Difference]: Without dead ends: 187 [2024-11-09 02:15:50,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2024-11-09 02:15:50,805 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 700 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 02:15:50,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 414 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 02:15:50,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-09 02:15:50,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 148. [2024-11-09 02:15:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 117 states have internal predecessors, (151), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 02:15:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 209 transitions. [2024-11-09 02:15:50,841 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 209 transitions. Word has length 190 [2024-11-09 02:15:50,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:15:50,842 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 209 transitions. [2024-11-09 02:15:50,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 02:15:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 209 transitions. [2024-11-09 02:15:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:15:50,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:15:50,845 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:15:50,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 02:15:50,846 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:15:50,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:15:50,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1495733406, now seen corresponding path program 1 times [2024-11-09 02:15:50,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:15:50,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11251503] [2024-11-09 02:15:50,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:15:50,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:15:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:15:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:15:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:15:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:15:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:15:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:15:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:15:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:15:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:15:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:15:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:15:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:15:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:15:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:15:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:15:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:15:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:15:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:15:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:15:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:15:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:15:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:15:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:15:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:15:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:15:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:15:52,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:15:52,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11251503] [2024-11-09 02:15:52,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11251503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:15:52,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:15:52,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 02:15:52,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891249572] [2024-11-09 02:15:52,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:15:52,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 02:15:52,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:15:52,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 02:15:52,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:15:52,758 INFO L87 Difference]: Start difference. First operand 148 states and 209 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:53,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:15:53,956 INFO L93 Difference]: Finished difference Result 366 states and 517 transitions. [2024-11-09 02:15:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 02:15:53,957 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-09 02:15:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:15:53,960 INFO L225 Difference]: With dead ends: 366 [2024-11-09 02:15:53,960 INFO L226 Difference]: Without dead ends: 234 [2024-11-09 02:15:53,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:15:53,961 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 471 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 02:15:53,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 717 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 02:15:53,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-09 02:15:53,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 157. [2024-11-09 02:15:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 125 states have (on average 1.304) internal successors, (163), 126 states have internal predecessors, (163), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 02:15:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 221 transitions. [2024-11-09 02:15:53,991 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 221 transitions. Word has length 190 [2024-11-09 02:15:53,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:15:53,991 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 221 transitions. [2024-11-09 02:15:53,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 221 transitions. [2024-11-09 02:15:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:15:53,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:15:53,994 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:15:53,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 02:15:53,994 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:15:53,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:15:53,995 INFO L85 PathProgramCache]: Analyzing trace with hash -904232631, now seen corresponding path program 1 times [2024-11-09 02:15:53,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:15:53,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320616928] [2024-11-09 02:15:53,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:15:53,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:15:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:15:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:15:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:15:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:15:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:15:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:15:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:15:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:15:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:15:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:15:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:15:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:15:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:15:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:15:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:15:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:15:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:15:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:15:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:15:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:15:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:15:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:15:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:15:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:15:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:15:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:54,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:15:54,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:15:54,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320616928] [2024-11-09 02:15:54,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320616928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:15:54,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:15:54,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 02:15:54,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733375866] [2024-11-09 02:15:54,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:15:54,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 02:15:54,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:15:54,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 02:15:54,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 02:15:54,806 INFO L87 Difference]: Start difference. First operand 157 states and 221 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:55,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:15:55,112 INFO L93 Difference]: Finished difference Result 346 states and 490 transitions. [2024-11-09 02:15:55,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 02:15:55,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-09 02:15:55,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:15:55,115 INFO L225 Difference]: With dead ends: 346 [2024-11-09 02:15:55,115 INFO L226 Difference]: Without dead ends: 205 [2024-11-09 02:15:55,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:15:55,116 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 214 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:15:55,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 626 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 02:15:55,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-09 02:15:55,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 164. [2024-11-09 02:15:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 132 states have (on average 1.3181818181818181) internal successors, (174), 133 states have internal predecessors, (174), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 02:15:55,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 232 transitions. [2024-11-09 02:15:55,147 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 232 transitions. Word has length 190 [2024-11-09 02:15:55,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:15:55,149 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 232 transitions. [2024-11-09 02:15:55,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:15:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 232 transitions. [2024-11-09 02:15:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:15:55,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:15:55,151 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:15:55,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 02:15:55,151 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:15:55,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:15:55,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1396589959, now seen corresponding path program 1 times [2024-11-09 02:15:55,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:15:55,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031356927] [2024-11-09 02:15:55,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:15:55,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:15:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:15:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:15:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:15:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:15:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:15:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:15:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:15:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:15:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:15:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:15:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:15:59,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:15:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:16:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:16:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:16:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:16:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:16:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:16:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:16:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:16:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:16:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:16:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:16:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:16:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:16:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:16:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:16:00,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:16:00,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031356927] [2024-11-09 02:16:00,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031356927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:16:00,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:16:00,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-09 02:16:00,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789100239] [2024-11-09 02:16:00,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:16:00,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 02:16:00,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:16:00,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 02:16:00,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:16:00,184 INFO L87 Difference]: Start difference. First operand 164 states and 232 transitions. Second operand has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 02:16:02,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:16:02,082 INFO L93 Difference]: Finished difference Result 404 states and 570 transitions. [2024-11-09 02:16:02,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 02:16:02,083 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 190 [2024-11-09 02:16:02,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:16:02,085 INFO L225 Difference]: With dead ends: 404 [2024-11-09 02:16:02,085 INFO L226 Difference]: Without dead ends: 256 [2024-11-09 02:16:02,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2024-11-09 02:16:02,088 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 317 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:16:02,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 879 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 02:16:02,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-09 02:16:02,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 170. [2024-11-09 02:16:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 138 states have (on average 1.3333333333333333) internal successors, (184), 139 states have internal predecessors, (184), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 02:16:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 242 transitions. [2024-11-09 02:16:02,122 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 242 transitions. Word has length 190 [2024-11-09 02:16:02,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:16:02,123 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 242 transitions. [2024-11-09 02:16:02,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 02:16:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 242 transitions. [2024-11-09 02:16:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:16:02,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:16:02,126 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:16:02,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 02:16:02,127 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:16:02,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:16:02,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1227791010, now seen corresponding path program 1 times [2024-11-09 02:16:02,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:16:02,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090280930] [2024-11-09 02:16:02,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:16:02,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:16:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:16:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:16:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:16:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:16:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:16:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:16:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:16:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:16:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:16:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:16:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:16:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:16:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:16:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:16:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:16:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:16:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:16:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:16:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:16:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:16:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:16:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:16:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:16:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:16:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:16:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:16:06,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:16:06,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090280930] [2024-11-09 02:16:06,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090280930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:16:06,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:16:06,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-09 02:16:06,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380738464] [2024-11-09 02:16:06,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:16:06,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 02:16:06,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:16:06,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 02:16:06,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-09 02:16:06,865 INFO L87 Difference]: Start difference. First operand 170 states and 242 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 02:16:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:16:07,818 INFO L93 Difference]: Finished difference Result 369 states and 526 transitions. [2024-11-09 02:16:07,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 02:16:07,821 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 190 [2024-11-09 02:16:07,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:16:07,824 INFO L225 Difference]: With dead ends: 369 [2024-11-09 02:16:07,824 INFO L226 Difference]: Without dead ends: 215 [2024-11-09 02:16:07,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-09 02:16:07,827 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 630 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 02:16:07,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 369 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 02:16:07,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-09 02:16:07,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 170. [2024-11-09 02:16:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 138 states have (on average 1.3333333333333333) internal successors, (184), 139 states have internal predecessors, (184), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 02:16:07,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 242 transitions. [2024-11-09 02:16:07,864 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 242 transitions. Word has length 190 [2024-11-09 02:16:07,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:16:07,865 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 242 transitions. [2024-11-09 02:16:07,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 02:16:07,865 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 242 transitions. [2024-11-09 02:16:07,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:16:07,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:16:07,869 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:16:07,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 02:16:07,869 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:16:07,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:16:07,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1073031580, now seen corresponding path program 1 times [2024-11-09 02:16:07,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:16:07,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953820173] [2024-11-09 02:16:07,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:16:07,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:16:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:16:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:16:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:16:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:16:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:16:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:16:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:16:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:16:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:16:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:16:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:16:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:16:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:16:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:16:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:16:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:16:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:16:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:16:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:16:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:16:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:16:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:16:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:16:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:16:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:16:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:16:12,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:16:12,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953820173] [2024-11-09 02:16:12,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953820173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:16:12,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:16:12,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-09 02:16:12,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626291323] [2024-11-09 02:16:12,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:16:12,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 02:16:12,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:16:12,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 02:16:12,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-09 02:16:12,366 INFO L87 Difference]: Start difference. First operand 170 states and 242 transitions. Second operand has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 02:16:14,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:16:14,004 INFO L93 Difference]: Finished difference Result 428 states and 600 transitions. [2024-11-09 02:16:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 02:16:14,007 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 190 [2024-11-09 02:16:14,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:16:14,009 INFO L225 Difference]: With dead ends: 428 [2024-11-09 02:16:14,011 INFO L226 Difference]: Without dead ends: 274 [2024-11-09 02:16:14,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-09 02:16:14,012 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 623 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 02:16:14,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 633 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 02:16:14,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-09 02:16:14,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 223. [2024-11-09 02:16:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 187 states have (on average 1.3315508021390374) internal successors, (249), 189 states have internal predecessors, (249), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 02:16:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 311 transitions. [2024-11-09 02:16:14,070 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 311 transitions. Word has length 190 [2024-11-09 02:16:14,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:16:14,070 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 311 transitions. [2024-11-09 02:16:14,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-09 02:16:14,071 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 311 transitions. [2024-11-09 02:16:14,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:16:14,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:16:14,072 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:16:14,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 02:16:14,073 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:16:14,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:16:14,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1326934457, now seen corresponding path program 1 times [2024-11-09 02:16:14,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:16:14,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725164008] [2024-11-09 02:16:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:16:14,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:16:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:16:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:16:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:16:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:16:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:16:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:16:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:16:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:16:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:16:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:16:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:16:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:16:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:16:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:16:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:16:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:16:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:16:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:14,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:16:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:15,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:16:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:15,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:16:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:15,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:16:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:15,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:16:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:15,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:16:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:15,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:16:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:15,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:16:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:16:15,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:16:15,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725164008] [2024-11-09 02:16:15,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725164008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:16:15,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:16:15,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 02:16:15,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12538998] [2024-11-09 02:16:15,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:16:15,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 02:16:15,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:16:15,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 02:16:15,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 02:16:15,037 INFO L87 Difference]: Start difference. First operand 223 states and 311 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:16:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:16:15,411 INFO L93 Difference]: Finished difference Result 517 states and 725 transitions. [2024-11-09 02:16:15,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 02:16:15,412 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-09 02:16:15,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:16:15,415 INFO L225 Difference]: With dead ends: 517 [2024-11-09 02:16:15,415 INFO L226 Difference]: Without dead ends: 314 [2024-11-09 02:16:15,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:16:15,416 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 215 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 02:16:15,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 680 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 02:16:15,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-09 02:16:15,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 224. [2024-11-09 02:16:15,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 188 states have (on average 1.3351063829787233) internal successors, (251), 190 states have internal predecessors, (251), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 02:16:15,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 313 transitions. [2024-11-09 02:16:15,455 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 313 transitions. Word has length 190 [2024-11-09 02:16:15,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:16:15,457 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 313 transitions. [2024-11-09 02:16:15,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-09 02:16:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 313 transitions. [2024-11-09 02:16:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:16:15,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:16:15,458 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:16:15,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 02:16:15,459 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:16:15,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:16:15,459 INFO L85 PathProgramCache]: Analyzing trace with hash 973888133, now seen corresponding path program 1 times [2024-11-09 02:16:15,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:16:15,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137994113] [2024-11-09 02:16:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:16:15,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:16:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:16:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:16:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:16:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:16:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:16:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:16:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:16:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:16:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:16:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:16:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:16:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:16:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:16:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:16:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:16:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:16:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:16:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:16:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:16:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:16:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:16:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:16:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:16:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:16:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:16:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:16:20,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:16:20,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137994113] [2024-11-09 02:16:20,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137994113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:16:20,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:16:20,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-09 02:16:20,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997478363] [2024-11-09 02:16:20,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:16:20,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 02:16:20,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:16:20,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 02:16:20,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-09 02:16:20,719 INFO L87 Difference]: Start difference. First operand 224 states and 313 transitions. Second operand has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 02:16:23,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:16:23,276 INFO L93 Difference]: Finished difference Result 613 states and 851 transitions. [2024-11-09 02:16:23,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 02:16:23,277 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) Word has length 190 [2024-11-09 02:16:23,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:16:23,279 INFO L225 Difference]: With dead ends: 613 [2024-11-09 02:16:23,280 INFO L226 Difference]: Without dead ends: 409 [2024-11-09 02:16:23,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=232, Invalid=698, Unknown=0, NotChecked=0, Total=930 [2024-11-09 02:16:23,281 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 947 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 02:16:23,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 707 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 02:16:23,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-09 02:16:23,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 291. [2024-11-09 02:16:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 255 states have (on average 1.3686274509803922) internal successors, (349), 257 states have internal predecessors, (349), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 02:16:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 411 transitions. [2024-11-09 02:16:23,320 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 411 transitions. Word has length 190 [2024-11-09 02:16:23,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:16:23,320 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 411 transitions. [2024-11-09 02:16:23,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-09 02:16:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 411 transitions. [2024-11-09 02:16:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:16:23,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:16:23,322 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:16:23,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 02:16:23,323 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:16:23,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:16:23,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1361719900, now seen corresponding path program 1 times [2024-11-09 02:16:23,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:16:23,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529707732] [2024-11-09 02:16:23,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:16:23,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:16:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:27,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:16:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:27,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:16:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:27,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:16:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:27,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:16:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:16:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:16:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:16:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:16:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:16:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:16:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:16:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:16:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:16:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:16:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:16:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:16:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:16:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:16:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:16:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:16:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:16:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:16:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:16:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:16:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:16:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:16:28,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:16:28,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529707732] [2024-11-09 02:16:28,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529707732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:16:28,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:16:28,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-09 02:16:28,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323715857] [2024-11-09 02:16:28,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:16:28,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 02:16:28,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:16:28,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 02:16:28,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-09 02:16:28,405 INFO L87 Difference]: Start difference. First operand 291 states and 411 transitions. Second operand has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-09 02:16:30,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:16:30,839 INFO L93 Difference]: Finished difference Result 643 states and 900 transitions. [2024-11-09 02:16:30,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 02:16:30,840 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) Word has length 190 [2024-11-09 02:16:30,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:16:30,842 INFO L225 Difference]: With dead ends: 643 [2024-11-09 02:16:30,842 INFO L226 Difference]: Without dead ends: 355 [2024-11-09 02:16:30,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2024-11-09 02:16:30,844 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 592 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 02:16:30,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 878 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 02:16:30,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-09 02:16:30,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 289. [2024-11-09 02:16:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 253 states have (on average 1.3675889328063242) internal successors, (346), 255 states have internal predecessors, (346), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 02:16:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 408 transitions. [2024-11-09 02:16:30,883 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 408 transitions. Word has length 190 [2024-11-09 02:16:30,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:16:30,883 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 408 transitions. [2024-11-09 02:16:30,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-09 02:16:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 408 transitions. [2024-11-09 02:16:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-09 02:16:30,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:16:30,885 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 02:16:30,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 02:16:30,885 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:16:30,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:16:30,886 INFO L85 PathProgramCache]: Analyzing trace with hash 939018074, now seen corresponding path program 1 times [2024-11-09 02:16:30,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:16:30,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818274850] [2024-11-09 02:16:30,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:16:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:16:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-09 02:16:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 02:16:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 02:16:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 02:16:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:16:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 02:16:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 02:16:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-09 02:16:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 02:16:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-09 02:16:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 02:16:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 02:16:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 02:16:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 02:16:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 02:16:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 02:16:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 02:16:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-09 02:16:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-09 02:16:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-09 02:16:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-09 02:16:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 02:16:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-09 02:16:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-09 02:16:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-09 02:16:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:16:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 02:16:36,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:16:36,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818274850] [2024-11-09 02:16:36,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818274850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:16:36,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:16:36,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-09 02:16:36,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216203639] [2024-11-09 02:16:36,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:16:36,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 02:16:36,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:16:36,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 02:16:36,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-09 02:16:36,455 INFO L87 Difference]: Start difference. First operand 289 states and 408 transitions. Second operand has 20 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 20 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25)