./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-4.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 1f54301a2d25df90ec2ca6a008bffd2d7169340bdd3fa7247718e0e85378bc7e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:54:45,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:54:45,975 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:54:45,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:54:45,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:54:46,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:54:46,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:54:46,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:54:46,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:54:46,015 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:54:46,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:54:46,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:54:46,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:54:46,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:54:46,018 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:54:46,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:54:46,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:54:46,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:54:46,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:54:46,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:54:46,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:54:46,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:54:46,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:54:46,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:54:46,022 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:54:46,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:54:46,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:54:46,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:54:46,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:54:46,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:54:46,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:54:46,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:54:46,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:54:46,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:54:46,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:54:46,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:54:46,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:54:46,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:54:46,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:54:46,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:54:46,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:54:46,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:54:46,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f54301a2d25df90ec2ca6a008bffd2d7169340bdd3fa7247718e0e85378bc7e [2024-10-24 06:54:46,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:54:46,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:54:46,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:54:46,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:54:46,355 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:54:46,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-4.i [2024-10-24 06:54:47,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:54:48,072 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:54:48,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-4.i [2024-10-24 06:54:48,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9655bb3/176af82e4d064faea9dcac5dbe0f9c6b/FLAG39e62e0cb [2024-10-24 06:54:48,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9655bb3/176af82e4d064faea9dcac5dbe0f9c6b [2024-10-24 06:54:48,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:54:48,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:54:48,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:54:48,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:54:48,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:54:48,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184537d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48, skipping insertion in model container [2024-10-24 06:54:48,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:54:48,345 WARN L248 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_fillercode_fillercodestructure_filler-pe-ci_file-4.i[918,931] [2024-10-24 06:54:48,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:54:48,448 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:54:48,458 WARN L248 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_fillercode_fillercodestructure_filler-pe-ci_file-4.i[918,931] [2024-10-24 06:54:48,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:54:48,525 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:54:48,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48 WrapperNode [2024-10-24 06:54:48,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:54:48,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:54:48,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:54:48,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:54:48,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,603 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 228 [2024-10-24 06:54:48,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:54:48,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:54:48,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:54:48,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:54:48,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,625 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,646 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 06:54:48,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,668 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:54:48,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:54:48,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:54:48,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:54:48,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (1/1) ... [2024-10-24 06:54:48,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:54:48,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:54:48,737 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) [2024-10-24 06:54:48,744 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 [2024-10-24 06:54:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:54:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:54:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:54:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:54:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:54:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:54:48,863 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:54:48,865 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:54:49,485 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 06:54:49,485 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:54:49,536 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:54:49,538 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:54:49,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:54:49 BoogieIcfgContainer [2024-10-24 06:54:49,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:54:49,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:54:49,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:54:49,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:54:49,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:54:48" (1/3) ... [2024-10-24 06:54:49,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb01759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:54:49, skipping insertion in model container [2024-10-24 06:54:49,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:54:48" (2/3) ... [2024-10-24 06:54:49,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb01759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:54:49, skipping insertion in model container [2024-10-24 06:54:49,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:54:49" (3/3) ... [2024-10-24 06:54:49,548 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-4.i [2024-10-24 06:54:49,567 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:54:49,567 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:54:49,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:54:49,636 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;@1ad423eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:54:49,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:54:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 57 states have (on average 1.5263157894736843) internal successors, (87), 58 states have internal predecessors, (87), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-24 06:54:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-24 06:54:49,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:54:49,659 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:54:49,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:54:49,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:54:49,665 INFO L85 PathProgramCache]: Analyzing trace with hash -38274590, now seen corresponding path program 1 times [2024-10-24 06:54:49,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:54:49,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570851304] [2024-10-24 06:54:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:54:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:54:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:54:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:54:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:54:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:54:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:54:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:54:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:54:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:54:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:54:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:54:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:54:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:54:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:54:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:54:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:54:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:54:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:54:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:54:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:54:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:54:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:54:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:54:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:54:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:54:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:54:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:54:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:54:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:54:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:54:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:54:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:54:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:54:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:54:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 06:54:50,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:54:50,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570851304] [2024-10-24 06:54:50,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570851304] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:54:50,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:54:50,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 06:54:50,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543638755] [2024-10-24 06:54:50,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:54:50,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 06:54:50,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:54:50,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 06:54:50,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:54:50,352 INFO L87 Difference]: Start difference. First operand has 93 states, 57 states have (on average 1.5263157894736843) internal successors, (87), 58 states have internal predecessors, (87), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-24 06:54:50,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:54:50,402 INFO L93 Difference]: Finished difference Result 183 states and 337 transitions. [2024-10-24 06:54:50,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 06:54:50,407 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 204 [2024-10-24 06:54:50,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:54:50,420 INFO L225 Difference]: With dead ends: 183 [2024-10-24 06:54:50,421 INFO L226 Difference]: Without dead ends: 91 [2024-10-24 06:54:50,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:54:50,435 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:54:50,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:54:50,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-10-24 06:54:50,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-10-24 06:54:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 56 states have internal predecessors, (81), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-24 06:54:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 147 transitions. [2024-10-24 06:54:50,497 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 147 transitions. Word has length 204 [2024-10-24 06:54:50,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:54:50,498 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 147 transitions. [2024-10-24 06:54:50,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-24 06:54:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2024-10-24 06:54:50,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-24 06:54:50,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:54:50,522 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:54:50,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:54:50,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:54:50,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:54:50,524 INFO L85 PathProgramCache]: Analyzing trace with hash 326984240, now seen corresponding path program 1 times [2024-10-24 06:54:50,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:54:50,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41796489] [2024-10-24 06:54:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:54:50,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:54:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:54:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:54:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:54:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:54:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:54:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:54:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:54:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:54:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:54:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:54:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:54:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:54:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:54:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:54:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:54:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:54:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:54:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:54:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:54:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:54:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:54:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:54:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:54:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:54:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:54:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:54:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:50,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:54:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:54:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:54:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:54:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:54:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:54:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:54:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 06:54:51,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:54:51,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41796489] [2024-10-24 06:54:51,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41796489] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:54:51,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:54:51,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:54:51,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554765872] [2024-10-24 06:54:51,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:54:51,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:54:51,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:54:51,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:54:51,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:54:51,069 INFO L87 Difference]: Start difference. First operand 91 states and 147 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:54:51,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:54:51,184 INFO L93 Difference]: Finished difference Result 271 states and 439 transitions. [2024-10-24 06:54:51,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:54:51,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2024-10-24 06:54:51,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:54:51,192 INFO L225 Difference]: With dead ends: 271 [2024-10-24 06:54:51,193 INFO L226 Difference]: Without dead ends: 181 [2024-10-24 06:54:51,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:54:51,197 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 76 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:54:51,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 281 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:54:51,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-24 06:54:51,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 178. [2024-10-24 06:54:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 109 states have (on average 1.4403669724770642) internal successors, (157), 109 states have internal predecessors, (157), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-24 06:54:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 289 transitions. [2024-10-24 06:54:51,282 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 289 transitions. Word has length 205 [2024-10-24 06:54:51,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:54:51,285 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 289 transitions. [2024-10-24 06:54:51,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:54:51,285 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 289 transitions. [2024-10-24 06:54:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 06:54:51,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:54:51,292 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:54:51,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 06:54:51,293 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:54:51,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:54:51,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1840691402, now seen corresponding path program 1 times [2024-10-24 06:54:51,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:54:51,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28805417] [2024-10-24 06:54:51,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:54:51,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:54:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:54:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:54:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:54:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:54:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:54:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:54:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:54:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:54:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:54:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:54:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:54:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:54:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:54:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:54:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:54:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:54:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:54:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:54:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:54:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:54:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:54:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:54:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:54:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:54:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:54:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:54:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:54:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:54:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:54:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:54:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:54:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:54:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:54:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:51,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 06:54:51,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:54:51,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28805417] [2024-10-24 06:54:51,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28805417] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:54:51,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:54:51,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:54:51,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070709573] [2024-10-24 06:54:51,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:54:51,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:54:51,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:54:51,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:54:51,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:54:51,587 INFO L87 Difference]: Start difference. First operand 178 states and 289 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:54:51,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:54:51,660 INFO L93 Difference]: Finished difference Result 431 states and 695 transitions. [2024-10-24 06:54:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:54:51,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2024-10-24 06:54:51,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:54:51,669 INFO L225 Difference]: With dead ends: 431 [2024-10-24 06:54:51,669 INFO L226 Difference]: Without dead ends: 254 [2024-10-24 06:54:51,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:54:51,672 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 51 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:54:51,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 276 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:54:51,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-10-24 06:54:51,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2024-10-24 06:54:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 175 states have (on average 1.4857142857142858) internal successors, (260), 177 states have internal predecessors, (260), 70 states have call successors, (70), 4 states have call predecessors, (70), 4 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-24 06:54:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 400 transitions. [2024-10-24 06:54:51,719 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 400 transitions. Word has length 206 [2024-10-24 06:54:51,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:54:51,720 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 400 transitions. [2024-10-24 06:54:51,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:54:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 400 transitions. [2024-10-24 06:54:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 06:54:51,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:54:51,726 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:54:51,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 06:54:51,726 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:54:51,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:54:51,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1571333334, now seen corresponding path program 1 times [2024-10-24 06:54:51,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:54:51,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371015337] [2024-10-24 06:54:51,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:54:51,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:54:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:54:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:54:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:54:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:54:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:54:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:54:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:54:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:54:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:54:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:54:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:54:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:54:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:54:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:54:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:54:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:54:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:54:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:54:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:54:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:54:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:54:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:54:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:54:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:54:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:54:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:54:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:54:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:54:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:54:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:54:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:54:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:54:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:54:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 06:54:52,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:54:52,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371015337] [2024-10-24 06:54:52,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371015337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:54:52,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:54:52,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 06:54:52,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572641244] [2024-10-24 06:54:52,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:54:52,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 06:54:52,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:54:52,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 06:54:52,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:54:52,753 INFO L87 Difference]: Start difference. First operand 250 states and 400 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:54:53,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:54:53,128 INFO L93 Difference]: Finished difference Result 915 states and 1463 transitions. [2024-10-24 06:54:53,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 06:54:53,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2024-10-24 06:54:53,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:54:53,140 INFO L225 Difference]: With dead ends: 915 [2024-10-24 06:54:53,140 INFO L226 Difference]: Without dead ends: 666 [2024-10-24 06:54:53,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 06:54:53,146 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 303 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 06:54:53,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 588 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 06:54:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-10-24 06:54:53,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 517. [2024-10-24 06:54:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 368 states have (on average 1.4673913043478262) internal successors, (540), 372 states have internal predecessors, (540), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 136 states have call predecessors, (140), 140 states have call successors, (140) [2024-10-24 06:54:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 820 transitions. [2024-10-24 06:54:53,223 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 820 transitions. Word has length 206 [2024-10-24 06:54:53,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:54:53,224 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 820 transitions. [2024-10-24 06:54:53,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:54:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 820 transitions. [2024-10-24 06:54:53,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 06:54:53,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:54:53,227 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:54:53,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 06:54:53,227 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:54:53,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:54:53,228 INFO L85 PathProgramCache]: Analyzing trace with hash 984527320, now seen corresponding path program 1 times [2024-10-24 06:54:53,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:54:53,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213444527] [2024-10-24 06:54:53,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:54:53,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:54:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:54:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:54:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:54:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:54:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:54:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:54:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:54:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:54:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:54:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:54:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:54:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:54:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:54:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:54:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:54:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:54:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:54:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:54:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:54:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:54:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:54:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:54:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:54:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:54:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:54:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:54:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:54:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:54:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:54:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:54:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:54:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:54:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:54:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:54:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 06:54:59,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:54:59,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213444527] [2024-10-24 06:54:59,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213444527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:54:59,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:54:59,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 06:54:59,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809236459] [2024-10-24 06:54:59,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:54:59,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 06:54:59,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:54:59,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 06:54:59,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-24 06:54:59,964 INFO L87 Difference]: Start difference. First operand 517 states and 820 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:02,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:55:02,065 INFO L93 Difference]: Finished difference Result 1805 states and 2856 transitions. [2024-10-24 06:55:02,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 06:55:02,066 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2024-10-24 06:55:02,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:55:02,076 INFO L225 Difference]: With dead ends: 1805 [2024-10-24 06:55:02,076 INFO L226 Difference]: Without dead ends: 1289 [2024-10-24 06:55:02,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-10-24 06:55:02,080 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 497 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 06:55:02,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 536 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 06:55:02,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2024-10-24 06:55:02,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1151. [2024-10-24 06:55:02,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 854 states have (on average 1.4882903981264637) internal successors, (1271), 862 states have internal predecessors, (1271), 280 states have call successors, (280), 16 states have call predecessors, (280), 16 states have return successors, (280), 272 states have call predecessors, (280), 280 states have call successors, (280) [2024-10-24 06:55:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1831 transitions. [2024-10-24 06:55:02,205 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1831 transitions. Word has length 206 [2024-10-24 06:55:02,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:55:02,206 INFO L471 AbstractCegarLoop]: Abstraction has 1151 states and 1831 transitions. [2024-10-24 06:55:02,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1831 transitions. [2024-10-24 06:55:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-24 06:55:02,209 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:55:02,210 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:55:02,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 06:55:02,210 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:55:02,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:55:02,211 INFO L85 PathProgramCache]: Analyzing trace with hash 166878870, now seen corresponding path program 1 times [2024-10-24 06:55:02,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:55:02,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286604128] [2024-10-24 06:55:02,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:55:02,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:55:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:55:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:55:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:55:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:55:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:55:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:55:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:55:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:55:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:55:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:55:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:55:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:55:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:55:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:55:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:55:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:55:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:55:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:55:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:55:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:55:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:55:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:55:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:55:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:55:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:55:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:55:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:55:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:55:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:55:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:55:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:55:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:55:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:55:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 06:55:02,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:55:02,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286604128] [2024-10-24 06:55:02,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286604128] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:55:02,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:55:02,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:55:02,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289352793] [2024-10-24 06:55:02,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:55:02,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:55:02,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:55:02,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:55:02,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:55:02,759 INFO L87 Difference]: Start difference. First operand 1151 states and 1831 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:02,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:55:02,931 INFO L93 Difference]: Finished difference Result 2793 states and 4442 transitions. [2024-10-24 06:55:02,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:55:02,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 206 [2024-10-24 06:55:02,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:55:02,948 INFO L225 Difference]: With dead ends: 2793 [2024-10-24 06:55:02,948 INFO L226 Difference]: Without dead ends: 1643 [2024-10-24 06:55:02,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:55:02,955 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 87 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:55:02,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 303 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:55:02,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2024-10-24 06:55:03,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1641. [2024-10-24 06:55:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1196 states have (on average 1.4607023411371238) internal successors, (1747), 1208 states have internal predecessors, (1747), 420 states have call successors, (420), 24 states have call predecessors, (420), 24 states have return successors, (420), 408 states have call predecessors, (420), 420 states have call successors, (420) [2024-10-24 06:55:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2587 transitions. [2024-10-24 06:55:03,149 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2587 transitions. Word has length 206 [2024-10-24 06:55:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:55:03,150 INFO L471 AbstractCegarLoop]: Abstraction has 1641 states and 2587 transitions. [2024-10-24 06:55:03,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2587 transitions. [2024-10-24 06:55:03,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-10-24 06:55:03,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:55:03,155 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:55:03,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 06:55:03,156 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:55:03,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:55:03,156 INFO L85 PathProgramCache]: Analyzing trace with hash -138263592, now seen corresponding path program 1 times [2024-10-24 06:55:03,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:55:03,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760508028] [2024-10-24 06:55:03,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:55:03,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:55:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:55:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:55:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:55:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:55:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:55:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:55:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:55:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:55:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:55:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:55:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:55:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:55:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:55:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:55:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:55:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:55:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:55:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:55:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:55:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:55:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:55:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:55:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:55:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:55:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:55:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:55:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:55:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:55:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:55:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:55:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:55:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:55:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:55:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 06:55:03,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:55:03,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760508028] [2024-10-24 06:55:03,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760508028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:55:03,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:55:03,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:55:03,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973690419] [2024-10-24 06:55:03,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:55:03,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:55:03,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:55:03,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:55:03,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:55:03,349 INFO L87 Difference]: Start difference. First operand 1641 states and 2587 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:03,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:55:03,478 INFO L93 Difference]: Finished difference Result 3343 states and 5222 transitions. [2024-10-24 06:55:03,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:55:03,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2024-10-24 06:55:03,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:55:03,494 INFO L225 Difference]: With dead ends: 3343 [2024-10-24 06:55:03,494 INFO L226 Difference]: Without dead ends: 1703 [2024-10-24 06:55:03,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:55:03,504 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 51 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:55:03,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 323 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:55:03,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2024-10-24 06:55:03,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1413. [2024-10-24 06:55:03,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 992 states have (on average 1.404233870967742) internal successors, (1393), 992 states have internal predecessors, (1393), 396 states have call successors, (396), 24 states have call predecessors, (396), 24 states have return successors, (396), 396 states have call predecessors, (396), 396 states have call successors, (396) [2024-10-24 06:55:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 2185 transitions. [2024-10-24 06:55:03,649 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 2185 transitions. Word has length 207 [2024-10-24 06:55:03,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:55:03,649 INFO L471 AbstractCegarLoop]: Abstraction has 1413 states and 2185 transitions. [2024-10-24 06:55:03,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2185 transitions. [2024-10-24 06:55:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-10-24 06:55:03,654 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:55:03,654 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:55:03,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 06:55:03,654 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:55:03,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:55:03,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1381374114, now seen corresponding path program 1 times [2024-10-24 06:55:03,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:55:03,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254268468] [2024-10-24 06:55:03,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:55:03,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:55:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:55:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:55:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:55:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:55:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:55:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:55:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:55:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:55:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:55:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:55:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:55:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:55:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:55:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:55:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:55:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:55:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:55:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:55:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:55:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:55:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:55:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:55:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:55:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:55:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:55:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:55:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:55:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:55:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:55:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:55:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:55:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:55:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:55:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 06:55:03,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:55:03,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254268468] [2024-10-24 06:55:03,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254268468] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:55:03,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:55:03,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:55:03,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971525215] [2024-10-24 06:55:03,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:55:03,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:55:03,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:55:03,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:55:03,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:55:03,994 INFO L87 Difference]: Start difference. First operand 1413 states and 2185 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:04,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:55:04,492 INFO L93 Difference]: Finished difference Result 3245 states and 5046 transitions. [2024-10-24 06:55:04,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 06:55:04,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2024-10-24 06:55:04,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:55:04,509 INFO L225 Difference]: With dead ends: 3245 [2024-10-24 06:55:04,510 INFO L226 Difference]: Without dead ends: 2251 [2024-10-24 06:55:04,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:55:04,518 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 215 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 06:55:04,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 499 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 06:55:04,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2024-10-24 06:55:04,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 2155. [2024-10-24 06:55:04,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1454 states have (on average 1.374828060522696) internal successors, (1999), 1454 states have internal predecessors, (1999), 660 states have call successors, (660), 40 states have call predecessors, (660), 40 states have return successors, (660), 660 states have call predecessors, (660), 660 states have call successors, (660) [2024-10-24 06:55:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3319 transitions. [2024-10-24 06:55:04,734 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3319 transitions. Word has length 207 [2024-10-24 06:55:04,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:55:04,735 INFO L471 AbstractCegarLoop]: Abstraction has 2155 states and 3319 transitions. [2024-10-24 06:55:04,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:04,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3319 transitions. [2024-10-24 06:55:04,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-10-24 06:55:04,738 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:55:04,738 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:55:04,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 06:55:04,738 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:55:04,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:55:04,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1325245280, now seen corresponding path program 1 times [2024-10-24 06:55:04,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:55:04,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806268449] [2024-10-24 06:55:04,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:55:04,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:55:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:55:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:55:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:55:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:55:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:55:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:55:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:55:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:55:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:55:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:55:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:55:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:55:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:55:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:55:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:55:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:55:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:55:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:55:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:55:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:55:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:55:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:55:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:55:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:55:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:55:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:55:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:55:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:55:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:55:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:55:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:55:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:55:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:55:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 24 proven. 72 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-10-24 06:55:05,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:55:05,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806268449] [2024-10-24 06:55:05,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806268449] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 06:55:05,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155683557] [2024-10-24 06:55:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:55:05,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 06:55:05,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:55:05,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 06:55:05,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 06:55:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:06,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-24 06:55:06,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 06:55:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1320 proven. 153 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2024-10-24 06:55:08,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 06:55:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 48 proven. 141 refuted. 0 times theorem prover too weak. 1923 trivial. 0 not checked. [2024-10-24 06:55:10,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155683557] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 06:55:10,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 06:55:10,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 14] total 32 [2024-10-24 06:55:10,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570525103] [2024-10-24 06:55:10,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 06:55:10,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-10-24 06:55:10,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:55:10,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-10-24 06:55:10,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=779, Unknown=0, NotChecked=0, Total=992 [2024-10-24 06:55:10,250 INFO L87 Difference]: Start difference. First operand 2155 states and 3319 transitions. Second operand has 32 states, 31 states have (on average 4.193548387096774) internal successors, (130), 30 states have internal predecessors, (130), 10 states have call successors, (99), 5 states have call predecessors, (99), 10 states have return successors, (99), 10 states have call predecessors, (99), 10 states have call successors, (99) [2024-10-24 06:55:25,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:55:25,647 INFO L93 Difference]: Finished difference Result 12162 states and 18258 transitions. [2024-10-24 06:55:25,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2024-10-24 06:55:25,648 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.193548387096774) internal successors, (130), 30 states have internal predecessors, (130), 10 states have call successors, (99), 5 states have call predecessors, (99), 10 states have return successors, (99), 10 states have call predecessors, (99), 10 states have call successors, (99) Word has length 207 [2024-10-24 06:55:25,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:55:25,709 INFO L225 Difference]: With dead ends: 12162 [2024-10-24 06:55:25,710 INFO L226 Difference]: Without dead ends: 9885 [2024-10-24 06:55:25,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18217 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=6834, Invalid=36638, Unknown=0, NotChecked=0, Total=43472 [2024-10-24 06:55:25,734 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 4786 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 4337 mSolverCounterSat, 2501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4806 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 6838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2501 IncrementalHoareTripleChecker+Valid, 4337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-10-24 06:55:25,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4806 Valid, 2681 Invalid, 6838 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2501 Valid, 4337 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2024-10-24 06:55:25,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9885 states. [2024-10-24 06:55:26,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9885 to 6383. [2024-10-24 06:55:26,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6383 states, 4275 states have (on average 1.3415204678362573) internal successors, (5735), 4304 states have internal predecessors, (5735), 1888 states have call successors, (1888), 219 states have call predecessors, (1888), 219 states have return successors, (1888), 1859 states have call predecessors, (1888), 1888 states have call successors, (1888) [2024-10-24 06:55:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6383 states to 6383 states and 9511 transitions. [2024-10-24 06:55:26,834 INFO L78 Accepts]: Start accepts. Automaton has 6383 states and 9511 transitions. Word has length 207 [2024-10-24 06:55:26,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:55:26,836 INFO L471 AbstractCegarLoop]: Abstraction has 6383 states and 9511 transitions. [2024-10-24 06:55:26,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.193548387096774) internal successors, (130), 30 states have internal predecessors, (130), 10 states have call successors, (99), 5 states have call predecessors, (99), 10 states have return successors, (99), 10 states have call predecessors, (99), 10 states have call successors, (99) [2024-10-24 06:55:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6383 states and 9511 transitions. [2024-10-24 06:55:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-10-24 06:55:26,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:55:26,842 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:55:26,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 06:55:27,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 06:55:27,047 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:55:27,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:55:27,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1724368767, now seen corresponding path program 1 times [2024-10-24 06:55:27,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:55:27,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116836090] [2024-10-24 06:55:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:55:27,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:55:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:55:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:55:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:55:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:55:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:55:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:55:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:55:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:55:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:55:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:55:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:55:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:55:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:55:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:55:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:55:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:55:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:55:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:55:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:55:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:55:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:55:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:55:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:55:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:55:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:55:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:55:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:55:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:55:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:55:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:55:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:55:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:55:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:55:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 3 proven. 93 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-10-24 06:55:27,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:55:27,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116836090] [2024-10-24 06:55:27,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116836090] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 06:55:27,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411998281] [2024-10-24 06:55:27,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:55:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 06:55:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:55:27,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 06:55:27,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 06:55:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:27,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 06:55:27,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 06:55:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 158 proven. 93 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2024-10-24 06:55:28,212 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 06:55:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 3 proven. 93 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-10-24 06:55:28,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411998281] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 06:55:28,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 06:55:28,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2024-10-24 06:55:28,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530599099] [2024-10-24 06:55:28,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 06:55:28,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 06:55:28,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:55:28,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 06:55:28,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-24 06:55:28,527 INFO L87 Difference]: Start difference. First operand 6383 states and 9511 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2024-10-24 06:55:30,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:55:30,395 INFO L93 Difference]: Finished difference Result 14450 states and 21345 transitions. [2024-10-24 06:55:30,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 06:55:30,396 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 207 [2024-10-24 06:55:30,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:55:30,480 INFO L225 Difference]: With dead ends: 14450 [2024-10-24 06:55:30,484 INFO L226 Difference]: Without dead ends: 8068 [2024-10-24 06:55:30,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 474 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-10-24 06:55:30,510 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 363 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 06:55:30,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 732 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 06:55:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8068 states. [2024-10-24 06:55:31,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8068 to 6561. [2024-10-24 06:55:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6561 states, 4390 states have (on average 1.342141230068337) internal successors, (5892), 4421 states have internal predecessors, (5892), 1945 states have call successors, (1945), 225 states have call predecessors, (1945), 225 states have return successors, (1945), 1914 states have call predecessors, (1945), 1945 states have call successors, (1945) [2024-10-24 06:55:31,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6561 states to 6561 states and 9782 transitions. [2024-10-24 06:55:31,727 INFO L78 Accepts]: Start accepts. Automaton has 6561 states and 9782 transitions. Word has length 207 [2024-10-24 06:55:31,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:55:31,728 INFO L471 AbstractCegarLoop]: Abstraction has 6561 states and 9782 transitions. [2024-10-24 06:55:31,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2024-10-24 06:55:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 6561 states and 9782 transitions. [2024-10-24 06:55:31,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-10-24 06:55:31,739 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:55:31,739 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:55:31,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 06:55:31,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 06:55:31,941 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:55:31,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:55:31,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1137562753, now seen corresponding path program 1 times [2024-10-24 06:55:31,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:55:31,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428585172] [2024-10-24 06:55:31,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:55:31,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:55:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:55:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:55:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:55:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:55:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:55:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:55:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:55:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:55:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:55:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 06:55:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 06:55:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 06:55:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 06:55:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 06:55:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 06:55:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 06:55:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 06:55:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 06:55:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 06:55:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 06:55:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 06:55:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:55:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 06:55:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:55:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-24 06:55:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-24 06:55:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-24 06:55:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-24 06:55:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 06:55:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 06:55:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-24 06:55:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-24 06:55:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:55:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:55:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-24 06:55:32,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:55:32,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428585172] [2024-10-24 06:55:32,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428585172] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:55:32,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:55:32,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:55:32,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863060042] [2024-10-24 06:55:32,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:55:32,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:55:32,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:55:32,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:55:32,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:55:32,234 INFO L87 Difference]: Start difference. First operand 6561 states and 9782 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:33,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:55:33,219 INFO L93 Difference]: Finished difference Result 13194 states and 19707 transitions. [2024-10-24 06:55:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:55:33,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 207 [2024-10-24 06:55:33,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:55:33,266 INFO L225 Difference]: With dead ends: 13194 [2024-10-24 06:55:33,266 INFO L226 Difference]: Without dead ends: 6534 [2024-10-24 06:55:33,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:55:33,293 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 138 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:55:33,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 321 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:55:33,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6534 states. [2024-10-24 06:55:34,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6534 to 6288. [2024-10-24 06:55:34,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6288 states, 4271 states have (on average 1.3448841020838211) internal successors, (5744), 4296 states have internal predecessors, (5744), 1816 states have call successors, (1816), 200 states have call predecessors, (1816), 200 states have return successors, (1816), 1791 states have call predecessors, (1816), 1816 states have call successors, (1816) [2024-10-24 06:55:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6288 states to 6288 states and 9376 transitions. [2024-10-24 06:55:34,223 INFO L78 Accepts]: Start accepts. Automaton has 6288 states and 9376 transitions. Word has length 207 [2024-10-24 06:55:34,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:55:34,224 INFO L471 AbstractCegarLoop]: Abstraction has 6288 states and 9376 transitions. [2024-10-24 06:55:34,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-24 06:55:34,225 INFO L276 IsEmpty]: Start isEmpty. Operand 6288 states and 9376 transitions. [2024-10-24 06:55:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-24 06:55:34,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:55:34,228 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:55:34,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 06:55:34,228 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:55:34,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:55:34,229 INFO L85 PathProgramCache]: Analyzing trace with hash -805889961, now seen corresponding path program 1 times [2024-10-24 06:55:34,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:55:34,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079134258] [2024-10-24 06:55:34,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:55:34,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:55:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat