./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-pr-co_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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-pr-co_file-63.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 8d684ebe960d17f15dd8c83d8cf3e676853b2b7a1cdec8ea8ac85aafe28041c6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 10:01:26,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 10:01:26,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 10:01:26,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 10:01:26,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 10:01:26,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 10:01:26,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 10:01:26,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 10:01:26,405 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 10:01:26,405 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 10:01:26,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 10:01:26,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 10:01:26,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 10:01:26,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 10:01:26,408 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 10:01:26,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 10:01:26,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 10:01:26,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 10:01:26,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 10:01:26,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 10:01:26,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 10:01:26,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 10:01:26,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 10:01:26,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 10:01:26,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 10:01:26,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 10:01:26,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 10:01:26,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 10:01:26,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 10:01:26,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 10:01:26,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 10:01:26,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 10:01:26,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:01:26,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 10:01:26,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 10:01:26,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 10:01:26,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 10:01:26,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 10:01:26,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 10:01:26,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 10:01:26,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 10:01:26,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 10:01:26,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d684ebe960d17f15dd8c83d8cf3e676853b2b7a1cdec8ea8ac85aafe28041c6 [2024-10-14 10:01:26,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 10:01:26,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 10:01:26,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 10:01:26,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 10:01:26,737 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 10:01:26,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-63.i [2024-10-14 10:01:28,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 10:01:28,384 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 10:01:28,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-63.i [2024-10-14 10:01:28,397 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1133b3b06/74c9d7adabb9469980c0f6cb6b352685/FLAGf97b9ddb6 [2024-10-14 10:01:28,409 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1133b3b06/74c9d7adabb9469980c0f6cb6b352685 [2024-10-14 10:01:28,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 10:01:28,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 10:01:28,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 10:01:28,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 10:01:28,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 10:01:28,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:28,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1bc307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28, skipping insertion in model container [2024-10-14 10:01:28,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:28,453 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 10:01:28,623 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-pr-co_file-63.i[919,932] [2024-10-14 10:01:28,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:01:28,728 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 10:01:28,748 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-pr-co_file-63.i[919,932] [2024-10-14 10:01:28,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:01:28,840 INFO L204 MainTranslator]: Completed translation [2024-10-14 10:01:28,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28 WrapperNode [2024-10-14 10:01:28,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 10:01:28,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 10:01:28,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 10:01:28,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 10:01:28,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:28,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:28,924 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 285 [2024-10-14 10:01:28,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 10:01:28,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 10:01:28,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 10:01:28,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 10:01:28,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:28,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:28,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:28,982 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]. [2024-10-14 10:01:28,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:28,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:28,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:29,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:29,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:29,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:29,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 10:01:29,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 10:01:29,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 10:01:29,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 10:01:29,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (1/1) ... [2024-10-14 10:01:29,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:01:29,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:01:29,053 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) [2024-10-14 10:01:29,055 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 [2024-10-14 10:01:29,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 10:01:29,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 10:01:29,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 10:01:29,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 10:01:29,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 10:01:29,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 10:01:29,221 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 10:01:29,224 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 10:01:29,686 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-10-14 10:01:29,686 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 10:01:29,728 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 10:01:29,729 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 10:01:29,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:01:29 BoogieIcfgContainer [2024-10-14 10:01:29,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 10:01:29,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 10:01:29,732 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 10:01:29,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 10:01:29,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:01:28" (1/3) ... [2024-10-14 10:01:29,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac741df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:01:29, skipping insertion in model container [2024-10-14 10:01:29,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:28" (2/3) ... [2024-10-14 10:01:29,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac741df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:01:29, skipping insertion in model container [2024-10-14 10:01:29,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:01:29" (3/3) ... [2024-10-14 10:01:29,739 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-63.i [2024-10-14 10:01:29,754 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 10:01:29,754 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 10:01:29,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 10:01:29,831 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;@74875eac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 10:01:29,831 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 10:01:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 10:01:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 10:01:29,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:29,850 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:29,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:29,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:29,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1770407713, now seen corresponding path program 1 times [2024-10-14 10:01:29,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:29,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156530199] [2024-10-14 10:01:29,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:29,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:30,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:30,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156530199] [2024-10-14 10:01:30,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156530199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:30,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:30,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 10:01:30,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6956506] [2024-10-14 10:01:30,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:30,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 10:01:30,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:30,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 10:01:30,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:01:30,484 INFO L87 Difference]: Start difference. First operand has 109 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-14 10:01:30,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:30,542 INFO L93 Difference]: Finished difference Result 215 states and 376 transitions. [2024-10-14 10:01:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 10:01:30,545 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 211 [2024-10-14 10:01:30,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:30,555 INFO L225 Difference]: With dead ends: 215 [2024-10-14 10:01:30,556 INFO L226 Difference]: Without dead ends: 107 [2024-10-14 10:01:30,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:01:30,568 INFO L432 NwaCegarLoop]: 165 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, 165 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 [2024-10-14 10:01:30,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:01:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-14 10:01:30,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-14 10:01:30,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 10:01:30,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 168 transitions. [2024-10-14 10:01:30,628 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 168 transitions. Word has length 211 [2024-10-14 10:01:30,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:30,628 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 168 transitions. [2024-10-14 10:01:30,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-14 10:01:30,629 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 168 transitions. [2024-10-14 10:01:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 10:01:30,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:30,634 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:30,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 10:01:30,635 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:30,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:30,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1185918669, now seen corresponding path program 1 times [2024-10-14 10:01:30,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:30,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447414475] [2024-10-14 10:01:30,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:30,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:30,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:31,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:31,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447414475] [2024-10-14 10:01:31,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447414475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:31,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:31,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:01:31,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313439882] [2024-10-14 10:01:31,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:31,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:01:31,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:31,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:01:31,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:01:31,048 INFO L87 Difference]: Start difference. First operand 107 states and 168 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:31,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:31,120 INFO L93 Difference]: Finished difference Result 258 states and 407 transitions. [2024-10-14 10:01:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:01:31,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-14 10:01:31,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:31,127 INFO L225 Difference]: With dead ends: 258 [2024-10-14 10:01:31,127 INFO L226 Difference]: Without dead ends: 152 [2024-10-14 10:01:31,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:01:31,130 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 68 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:31,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 316 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:01:31,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-10-14 10:01:31,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 129. [2024-10-14 10:01:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 95 states have internal predecessors, (140), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 10:01:31,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 204 transitions. [2024-10-14 10:01:31,158 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 204 transitions. Word has length 211 [2024-10-14 10:01:31,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:31,162 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 204 transitions. [2024-10-14 10:01:31,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 204 transitions. [2024-10-14 10:01:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 10:01:31,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:31,166 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:31,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 10:01:31,166 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:31,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:31,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1326467279, now seen corresponding path program 1 times [2024-10-14 10:01:31,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:31,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091460710] [2024-10-14 10:01:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:31,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:31,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:31,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091460710] [2024-10-14 10:01:31,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091460710] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:31,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:31,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:01:31,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464960795] [2024-10-14 10:01:31,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:31,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:01:31,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:31,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:01:31,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:01:31,719 INFO L87 Difference]: Start difference. First operand 129 states and 204 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:31,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:31,824 INFO L93 Difference]: Finished difference Result 385 states and 610 transitions. [2024-10-14 10:01:31,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:01:31,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-14 10:01:31,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:31,831 INFO L225 Difference]: With dead ends: 385 [2024-10-14 10:01:31,832 INFO L226 Difference]: Without dead ends: 257 [2024-10-14 10:01:31,833 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 [2024-10-14 10:01:31,834 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 93 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:31,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 326 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:01:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-14 10:01:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2024-10-14 10:01:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 188 states have (on average 1.4734042553191489) internal successors, (277), 188 states have internal predecessors, (277), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-14 10:01:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 405 transitions. [2024-10-14 10:01:31,884 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 405 transitions. Word has length 211 [2024-10-14 10:01:31,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:31,885 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 405 transitions. [2024-10-14 10:01:31,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 405 transitions. [2024-10-14 10:01:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 10:01:31,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:31,892 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:31,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 10:01:31,893 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:31,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:31,893 INFO L85 PathProgramCache]: Analyzing trace with hash 903765453, now seen corresponding path program 1 times [2024-10-14 10:01:31,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:31,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993021213] [2024-10-14 10:01:31,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:31,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:32,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:32,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993021213] [2024-10-14 10:01:32,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993021213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:32,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:32,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:01:32,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700989039] [2024-10-14 10:01:32,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:32,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:01:32,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:32,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:01:32,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:32,393 INFO L87 Difference]: Start difference. First operand 255 states and 405 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:33,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:33,637 INFO L93 Difference]: Finished difference Result 866 states and 1351 transitions. [2024-10-14 10:01:33,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 10:01:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-14 10:01:33,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:33,647 INFO L225 Difference]: With dead ends: 866 [2024-10-14 10:01:33,647 INFO L226 Difference]: Without dead ends: 738 [2024-10-14 10:01:33,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:01:33,651 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 581 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:33,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 610 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 10:01:33,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-10-14 10:01:33,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 282. [2024-10-14 10:01:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 215 states have (on average 1.4883720930232558) internal successors, (320), 215 states have internal predecessors, (320), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-14 10:01:33,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 448 transitions. [2024-10-14 10:01:33,737 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 448 transitions. Word has length 211 [2024-10-14 10:01:33,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:33,739 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 448 transitions. [2024-10-14 10:01:33,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:33,739 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 448 transitions. [2024-10-14 10:01:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 10:01:33,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:33,741 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:33,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 10:01:33,742 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:33,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:33,743 INFO L85 PathProgramCache]: Analyzing trace with hash -117302901, now seen corresponding path program 1 times [2024-10-14 10:01:33,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:33,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642338888] [2024-10-14 10:01:33,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:33,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:34,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:34,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642338888] [2024-10-14 10:01:34,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642338888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:34,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:34,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 10:01:34,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935114454] [2024-10-14 10:01:34,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:34,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 10:01:34,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:34,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 10:01:34,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:01:34,160 INFO L87 Difference]: Start difference. First operand 282 states and 448 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:35,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:35,087 INFO L93 Difference]: Finished difference Result 1128 states and 1763 transitions. [2024-10-14 10:01:35,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 10:01:35,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-14 10:01:35,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:35,093 INFO L225 Difference]: With dead ends: 1128 [2024-10-14 10:01:35,093 INFO L226 Difference]: Without dead ends: 847 [2024-10-14 10:01:35,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-14 10:01:35,095 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 423 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:35,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1044 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 10:01:35,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-10-14 10:01:35,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 341. [2024-10-14 10:01:35,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 274 states have (on average 1.4744525547445255) internal successors, (404), 274 states have internal predecessors, (404), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-14 10:01:35,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 532 transitions. [2024-10-14 10:01:35,206 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 532 transitions. Word has length 211 [2024-10-14 10:01:35,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:35,206 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 532 transitions. [2024-10-14 10:01:35,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:35,207 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 532 transitions. [2024-10-14 10:01:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 10:01:35,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:35,210 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:35,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 10:01:35,211 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:35,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:35,211 INFO L85 PathProgramCache]: Analyzing trace with hash 692043725, now seen corresponding path program 1 times [2024-10-14 10:01:35,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:35,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323351966] [2024-10-14 10:01:35,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:35,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:35,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:35,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323351966] [2024-10-14 10:01:35,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323351966] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:35,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:35,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:01:35,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138222839] [2024-10-14 10:01:35,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:35,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:01:35,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:35,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:01:35,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:01:35,516 INFO L87 Difference]: Start difference. First operand 341 states and 532 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:35,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:35,831 INFO L93 Difference]: Finished difference Result 940 states and 1479 transitions. [2024-10-14 10:01:35,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:01:35,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 211 [2024-10-14 10:01:35,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:35,837 INFO L225 Difference]: With dead ends: 940 [2024-10-14 10:01:35,837 INFO L226 Difference]: Without dead ends: 596 [2024-10-14 10:01:35,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:01:35,841 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 312 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:35,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 307 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:01:35,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-10-14 10:01:35,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 436. [2024-10-14 10:01:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 369 states have (on average 1.5121951219512195) internal successors, (558), 369 states have internal predecessors, (558), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-14 10:01:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 686 transitions. [2024-10-14 10:01:35,929 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 686 transitions. Word has length 211 [2024-10-14 10:01:35,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:35,929 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 686 transitions. [2024-10-14 10:01:35,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 686 transitions. [2024-10-14 10:01:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 10:01:35,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:35,932 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:35,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 10:01:35,933 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:35,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:35,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1389637874, now seen corresponding path program 1 times [2024-10-14 10:01:35,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:35,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734582704] [2024-10-14 10:01:35,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:35,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:36,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:36,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734582704] [2024-10-14 10:01:36,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734582704] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:36,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:36,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 10:01:36,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244065320] [2024-10-14 10:01:36,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:36,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 10:01:36,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:36,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 10:01:36,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:01:36,694 INFO L87 Difference]: Start difference. First operand 436 states and 686 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:38,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:38,948 INFO L93 Difference]: Finished difference Result 2093 states and 3239 transitions. [2024-10-14 10:01:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 10:01:38,949 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-10-14 10:01:38,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:38,959 INFO L225 Difference]: With dead ends: 2093 [2024-10-14 10:01:38,959 INFO L226 Difference]: Without dead ends: 1658 [2024-10-14 10:01:38,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-14 10:01:38,964 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 639 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:38,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 946 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 10:01:38,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2024-10-14 10:01:39,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 498. [2024-10-14 10:01:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 431 states have (on average 1.5382830626450117) internal successors, (663), 431 states have internal predecessors, (663), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-14 10:01:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 791 transitions. [2024-10-14 10:01:39,125 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 791 transitions. Word has length 212 [2024-10-14 10:01:39,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:39,126 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 791 transitions. [2024-10-14 10:01:39,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 791 transitions. [2024-10-14 10:01:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 10:01:39,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:39,131 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:39,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 10:01:39,131 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:39,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:39,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1477064427, now seen corresponding path program 1 times [2024-10-14 10:01:39,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:39,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534363902] [2024-10-14 10:01:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:39,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:39,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:39,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534363902] [2024-10-14 10:01:39,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534363902] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:39,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:39,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:01:39,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901628279] [2024-10-14 10:01:39,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:39,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:01:39,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:39,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:01:39,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:01:39,319 INFO L87 Difference]: Start difference. First operand 498 states and 791 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:39,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:39,551 INFO L93 Difference]: Finished difference Result 1235 states and 1944 transitions. [2024-10-14 10:01:39,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:01:39,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-10-14 10:01:39,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:39,557 INFO L225 Difference]: With dead ends: 1235 [2024-10-14 10:01:39,557 INFO L226 Difference]: Without dead ends: 734 [2024-10-14 10:01:39,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:01:39,559 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 126 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:39,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 321 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:01:39,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-10-14 10:01:39,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 590. [2024-10-14 10:01:39,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 523 states have (on average 1.5277246653919694) internal successors, (799), 523 states have internal predecessors, (799), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-14 10:01:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 927 transitions. [2024-10-14 10:01:39,738 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 927 transitions. Word has length 212 [2024-10-14 10:01:39,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:39,738 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 927 transitions. [2024-10-14 10:01:39,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:39,739 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 927 transitions. [2024-10-14 10:01:39,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 10:01:39,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:39,742 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:39,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 10:01:39,742 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:39,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:39,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1608492592, now seen corresponding path program 1 times [2024-10-14 10:01:39,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:39,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020717666] [2024-10-14 10:01:39,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:39,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:40,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:40,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:40,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:40,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:40,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:40,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:40,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:40,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020717666] [2024-10-14 10:01:40,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020717666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:40,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:40,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:01:40,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643217048] [2024-10-14 10:01:40,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:40,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:01:40,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:40,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:01:40,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:01:40,015 INFO L87 Difference]: Start difference. First operand 590 states and 927 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:40,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:40,583 INFO L93 Difference]: Finished difference Result 1743 states and 2716 transitions. [2024-10-14 10:01:40,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:01:40,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-10-14 10:01:40,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:40,589 INFO L225 Difference]: With dead ends: 1743 [2024-10-14 10:01:40,589 INFO L226 Difference]: Without dead ends: 1123 [2024-10-14 10:01:40,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:40,592 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 383 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:40,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 947 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:01:40,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-10-14 10:01:40,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 868. [2024-10-14 10:01:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 768 states have (on average 1.4934895833333333) internal successors, (1147), 768 states have internal predecessors, (1147), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 10:01:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1339 transitions. [2024-10-14 10:01:40,768 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1339 transitions. Word has length 212 [2024-10-14 10:01:40,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:40,770 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1339 transitions. [2024-10-14 10:01:40,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1339 transitions. [2024-10-14 10:01:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 10:01:40,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:40,773 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:40,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 10:01:40,773 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:40,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:40,774 INFO L85 PathProgramCache]: Analyzing trace with hash -936231008, now seen corresponding path program 1 times [2024-10-14 10:01:40,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:40,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693638765] [2024-10-14 10:01:40,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:40,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:41,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:41,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693638765] [2024-10-14 10:01:41,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693638765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:41,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:41,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:01:41,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682222636] [2024-10-14 10:01:41,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:41,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:01:41,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:41,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:01:41,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:01:41,058 INFO L87 Difference]: Start difference. First operand 868 states and 1339 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:41,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:41,731 INFO L93 Difference]: Finished difference Result 2248 states and 3459 transitions. [2024-10-14 10:01:41,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:01:41,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 212 [2024-10-14 10:01:41,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:41,739 INFO L225 Difference]: With dead ends: 2248 [2024-10-14 10:01:41,739 INFO L226 Difference]: Without dead ends: 1381 [2024-10-14 10:01:41,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:01:41,742 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 346 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:41,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 463 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:01:41,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-10-14 10:01:41,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 914. [2024-10-14 10:01:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 814 states have (on average 1.484029484029484) internal successors, (1208), 814 states have internal predecessors, (1208), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 10:01:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1400 transitions. [2024-10-14 10:01:41,975 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1400 transitions. Word has length 212 [2024-10-14 10:01:41,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:41,975 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1400 transitions. [2024-10-14 10:01:41,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1400 transitions. [2024-10-14 10:01:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-14 10:01:41,980 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:41,980 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:41,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 10:01:41,980 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:41,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:41,981 INFO L85 PathProgramCache]: Analyzing trace with hash 705824228, now seen corresponding path program 1 times [2024-10-14 10:01:41,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:41,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636233644] [2024-10-14 10:01:41,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:41,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:42,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:42,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:42,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636233644] [2024-10-14 10:01:42,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636233644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:42,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:42,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:01:42,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159062837] [2024-10-14 10:01:42,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:42,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:01:42,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:42,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:01:42,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:01:42,280 INFO L87 Difference]: Start difference. First operand 914 states and 1400 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:42,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:42,956 INFO L93 Difference]: Finished difference Result 2128 states and 3251 transitions. [2024-10-14 10:01:42,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:01:42,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-14 10:01:42,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:42,964 INFO L225 Difference]: With dead ends: 2128 [2024-10-14 10:01:42,964 INFO L226 Difference]: Without dead ends: 1212 [2024-10-14 10:01:42,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:42,967 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 281 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:42,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 508 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:01:42,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2024-10-14 10:01:43,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 893. [2024-10-14 10:01:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 793 states have (on average 1.4791929382093316) internal successors, (1173), 793 states have internal predecessors, (1173), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 10:01:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1365 transitions. [2024-10-14 10:01:43,139 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1365 transitions. Word has length 213 [2024-10-14 10:01:43,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:43,139 INFO L471 AbstractCegarLoop]: Abstraction has 893 states and 1365 transitions. [2024-10-14 10:01:43,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1365 transitions. [2024-10-14 10:01:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-14 10:01:43,142 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:43,143 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:43,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 10:01:43,143 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:43,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:43,144 INFO L85 PathProgramCache]: Analyzing trace with hash -672119222, now seen corresponding path program 1 times [2024-10-14 10:01:43,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:43,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442747501] [2024-10-14 10:01:43,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:43,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:43,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:43,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442747501] [2024-10-14 10:01:43,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442747501] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:43,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:43,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 10:01:43,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102429972] [2024-10-14 10:01:43,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:43,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 10:01:43,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:43,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 10:01:43,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:01:43,450 INFO L87 Difference]: Start difference. First operand 893 states and 1365 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:44,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:44,061 INFO L93 Difference]: Finished difference Result 2133 states and 3241 transitions. [2024-10-14 10:01:44,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:01:44,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-14 10:01:44,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:44,070 INFO L225 Difference]: With dead ends: 2133 [2024-10-14 10:01:44,070 INFO L226 Difference]: Without dead ends: 1241 [2024-10-14 10:01:44,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:01:44,073 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 135 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:44,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 989 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:01:44,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2024-10-14 10:01:44,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 910. [2024-10-14 10:01:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 810 states have (on average 1.480246913580247) internal successors, (1199), 810 states have internal predecessors, (1199), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 10:01:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1391 transitions. [2024-10-14 10:01:44,259 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1391 transitions. Word has length 213 [2024-10-14 10:01:44,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:44,260 INFO L471 AbstractCegarLoop]: Abstraction has 910 states and 1391 transitions. [2024-10-14 10:01:44,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1391 transitions. [2024-10-14 10:01:44,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-14 10:01:44,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:44,264 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:44,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 10:01:44,264 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:44,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:44,264 INFO L85 PathProgramCache]: Analyzing trace with hash 137227404, now seen corresponding path program 1 times [2024-10-14 10:01:44,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:44,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636791757] [2024-10-14 10:01:44,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:44,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:44,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:44,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:44,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636791757] [2024-10-14 10:01:44,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636791757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:44,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:44,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:01:44,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66544139] [2024-10-14 10:01:44,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:44,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:01:44,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:44,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:01:44,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:44,643 INFO L87 Difference]: Start difference. First operand 910 states and 1391 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:45,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:45,180 INFO L93 Difference]: Finished difference Result 2261 states and 3434 transitions. [2024-10-14 10:01:45,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:01:45,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-14 10:01:45,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:45,187 INFO L225 Difference]: With dead ends: 2261 [2024-10-14 10:01:45,187 INFO L226 Difference]: Without dead ends: 1337 [2024-10-14 10:01:45,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:01:45,190 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 133 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:45,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 484 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:01:45,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-10-14 10:01:45,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 958. [2024-10-14 10:01:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 858 states have (on average 1.4825174825174825) internal successors, (1272), 858 states have internal predecessors, (1272), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 10:01:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1464 transitions. [2024-10-14 10:01:45,354 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1464 transitions. Word has length 213 [2024-10-14 10:01:45,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:45,355 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1464 transitions. [2024-10-14 10:01:45,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:45,355 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1464 transitions. [2024-10-14 10:01:45,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-14 10:01:45,358 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:45,358 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:45,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 10:01:45,358 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:45,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:45,359 INFO L85 PathProgramCache]: Analyzing trace with hash 161438608, now seen corresponding path program 1 times [2024-10-14 10:01:45,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:45,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667768527] [2024-10-14 10:01:45,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:45,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:45,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:45,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667768527] [2024-10-14 10:01:45,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667768527] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:45,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:45,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:01:45,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617707115] [2024-10-14 10:01:45,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:45,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:01:45,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:45,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:01:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:45,624 INFO L87 Difference]: Start difference. First operand 958 states and 1464 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:46,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:46,617 INFO L93 Difference]: Finished difference Result 2359 states and 3586 transitions. [2024-10-14 10:01:46,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:01:46,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-14 10:01:46,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:46,625 INFO L225 Difference]: With dead ends: 2359 [2024-10-14 10:01:46,625 INFO L226 Difference]: Without dead ends: 1402 [2024-10-14 10:01:46,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:01:46,628 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 289 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:46,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 588 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 10:01:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2024-10-14 10:01:46,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1033. [2024-10-14 10:01:46,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 933 states have (on average 1.4758842443729903) internal successors, (1377), 933 states have internal predecessors, (1377), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 10:01:46,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1569 transitions. [2024-10-14 10:01:46,827 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1569 transitions. Word has length 213 [2024-10-14 10:01:46,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:46,827 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1569 transitions. [2024-10-14 10:01:46,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1569 transitions. [2024-10-14 10:01:46,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-14 10:01:46,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:46,831 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:46,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 10:01:46,831 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:46,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:46,831 INFO L85 PathProgramCache]: Analyzing trace with hash -326547045, now seen corresponding path program 1 times [2024-10-14 10:01:46,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:46,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239633175] [2024-10-14 10:01:46,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:46,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:47,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:47,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:47,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239633175] [2024-10-14 10:01:47,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239633175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:47,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:47,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 10:01:47,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311092980] [2024-10-14 10:01:47,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:47,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 10:01:47,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:47,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 10:01:47,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:01:47,260 INFO L87 Difference]: Start difference. First operand 1033 states and 1569 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:48,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:48,329 INFO L93 Difference]: Finished difference Result 2431 states and 3678 transitions. [2024-10-14 10:01:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:01:48,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 213 [2024-10-14 10:01:48,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:48,337 INFO L225 Difference]: With dead ends: 2431 [2024-10-14 10:01:48,337 INFO L226 Difference]: Without dead ends: 1385 [2024-10-14 10:01:48,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-14 10:01:48,342 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 339 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:48,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 795 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 10:01:48,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-10-14 10:01:48,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1060. [2024-10-14 10:01:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 960 states have (on average 1.46875) internal successors, (1410), 960 states have internal predecessors, (1410), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 10:01:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1602 transitions. [2024-10-14 10:01:48,553 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1602 transitions. Word has length 213 [2024-10-14 10:01:48,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:48,554 INFO L471 AbstractCegarLoop]: Abstraction has 1060 states and 1602 transitions. [2024-10-14 10:01:48,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1602 transitions. [2024-10-14 10:01:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:01:48,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:48,556 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:48,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 10:01:48,557 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:48,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:48,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1874829506, now seen corresponding path program 1 times [2024-10-14 10:01:48,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:48,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506195575] [2024-10-14 10:01:48,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:48,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:48,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:48,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506195575] [2024-10-14 10:01:48,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506195575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:48,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:48,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 10:01:48,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351953202] [2024-10-14 10:01:48,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:48,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 10:01:48,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:48,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 10:01:48,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:01:48,922 INFO L87 Difference]: Start difference. First operand 1060 states and 1602 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:49,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:49,981 INFO L93 Difference]: Finished difference Result 2409 states and 3633 transitions. [2024-10-14 10:01:49,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:01:49,982 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:01:49,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:49,989 INFO L225 Difference]: With dead ends: 2409 [2024-10-14 10:01:49,989 INFO L226 Difference]: Without dead ends: 1346 [2024-10-14 10:01:49,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-14 10:01:49,992 INFO L432 NwaCegarLoop]: 355 mSDtfsCounter, 226 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:49,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 1017 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 10:01:49,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2024-10-14 10:01:50,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1036. [2024-10-14 10:01:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 936 states have (on average 1.4668803418803418) internal successors, (1373), 936 states have internal predecessors, (1373), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 10:01:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1565 transitions. [2024-10-14 10:01:50,190 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1565 transitions. Word has length 214 [2024-10-14 10:01:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:50,190 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1565 transitions. [2024-10-14 10:01:50,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1565 transitions. [2024-10-14 10:01:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:01:50,192 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:50,192 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:50,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 10:01:50,193 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:50,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:50,194 INFO L85 PathProgramCache]: Analyzing trace with hash -445296556, now seen corresponding path program 1 times [2024-10-14 10:01:50,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:50,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495180394] [2024-10-14 10:01:50,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:50,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:50,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:50,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495180394] [2024-10-14 10:01:50,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495180394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:50,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:50,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 10:01:50,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148268824] [2024-10-14 10:01:50,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:50,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 10:01:50,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:50,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 10:01:50,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:01:50,603 INFO L87 Difference]: Start difference. First operand 1036 states and 1565 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:52,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:52,210 INFO L93 Difference]: Finished difference Result 3358 states and 5075 transitions. [2024-10-14 10:01:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 10:01:52,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:01:52,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:52,223 INFO L225 Difference]: With dead ends: 3358 [2024-10-14 10:01:52,223 INFO L226 Difference]: Without dead ends: 2323 [2024-10-14 10:01:52,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-10-14 10:01:52,227 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 437 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:52,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 715 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 10:01:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2024-10-14 10:01:52,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 1061. [2024-10-14 10:01:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 961 states have (on average 1.4693028095733611) internal successors, (1412), 961 states have internal predecessors, (1412), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 10:01:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1604 transitions. [2024-10-14 10:01:52,455 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1604 transitions. Word has length 214 [2024-10-14 10:01:52,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:52,455 INFO L471 AbstractCegarLoop]: Abstraction has 1061 states and 1604 transitions. [2024-10-14 10:01:52,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1604 transitions. [2024-10-14 10:01:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:01:52,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:52,457 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:52,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 10:01:52,458 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:52,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:52,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1125354926, now seen corresponding path program 1 times [2024-10-14 10:01:52,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:52,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351552634] [2024-10-14 10:01:52,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:52,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:53,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:53,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:53,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351552634] [2024-10-14 10:01:53,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351552634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:53,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:53,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:01:53,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410780130] [2024-10-14 10:01:53,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:53,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:01:53,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:53,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:01:53,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:53,230 INFO L87 Difference]: Start difference. First operand 1061 states and 1604 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:53,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:53,603 INFO L93 Difference]: Finished difference Result 3068 states and 4615 transitions. [2024-10-14 10:01:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:01:53,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:01:53,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:53,614 INFO L225 Difference]: With dead ends: 3068 [2024-10-14 10:01:53,614 INFO L226 Difference]: Without dead ends: 1970 [2024-10-14 10:01:53,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:53,617 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 240 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:53,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 375 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:01:53,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2024-10-14 10:01:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1956. [2024-10-14 10:01:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1832 states have (on average 1.4743449781659388) internal successors, (2701), 1838 states have internal predecessors, (2701), 114 states have call successors, (114), 9 states have call predecessors, (114), 9 states have return successors, (114), 108 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-14 10:01:53,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2929 transitions. [2024-10-14 10:01:53,894 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2929 transitions. Word has length 214 [2024-10-14 10:01:53,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:53,895 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2929 transitions. [2024-10-14 10:01:53,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2929 transitions. [2024-10-14 10:01:53,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:01:53,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:53,898 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:53,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 10:01:53,898 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:53,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:53,899 INFO L85 PathProgramCache]: Analyzing trace with hash 522278356, now seen corresponding path program 1 times [2024-10-14 10:01:53,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:53,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409737437] [2024-10-14 10:01:53,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:53,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:54,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:54,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:54,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409737437] [2024-10-14 10:01:54,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409737437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:54,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:54,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 10:01:54,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471358966] [2024-10-14 10:01:54,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:54,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 10:01:54,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:54,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 10:01:54,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 10:01:54,504 INFO L87 Difference]: Start difference. First operand 1956 states and 2929 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:55,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:55,737 INFO L93 Difference]: Finished difference Result 5277 states and 7616 transitions. [2024-10-14 10:01:55,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 10:01:55,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:01:55,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:55,758 INFO L225 Difference]: With dead ends: 5277 [2024-10-14 10:01:55,758 INFO L226 Difference]: Without dead ends: 3322 [2024-10-14 10:01:55,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-10-14 10:01:55,763 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 374 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:55,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1149 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 10:01:55,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2024-10-14 10:01:56,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 2068. [2024-10-14 10:01:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1944 states have (on average 1.4634773662551441) internal successors, (2845), 1950 states have internal predecessors, (2845), 114 states have call successors, (114), 9 states have call predecessors, (114), 9 states have return successors, (114), 108 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-14 10:01:56,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 3073 transitions. [2024-10-14 10:01:56,105 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 3073 transitions. Word has length 214 [2024-10-14 10:01:56,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:56,105 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 3073 transitions. [2024-10-14 10:01:56,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:56,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 3073 transitions. [2024-10-14 10:01:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:01:56,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:56,108 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:56,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 10:01:56,109 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:56,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:56,109 INFO L85 PathProgramCache]: Analyzing trace with hash -754147667, now seen corresponding path program 1 times [2024-10-14 10:01:56,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:56,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833163477] [2024-10-14 10:01:56,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:56,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:01:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:01:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:01:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:01:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:01:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:01:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:01:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:01:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:01:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:01:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:01:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:01:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:01:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:01:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:01:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:01:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:01:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:01:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:01:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:01:57,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:57,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833163477] [2024-10-14 10:01:57,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833163477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:57,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:57,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 10:01:57,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153379266] [2024-10-14 10:01:57,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:57,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 10:01:57,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:57,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 10:01:57,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:01:57,315 INFO L87 Difference]: Start difference. First operand 2068 states and 3073 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:59,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:59,154 INFO L93 Difference]: Finished difference Result 5101 states and 7556 transitions. [2024-10-14 10:01:59,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:01:59,154 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:01:59,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:59,166 INFO L225 Difference]: With dead ends: 5101 [2024-10-14 10:01:59,166 INFO L226 Difference]: Without dead ends: 3034 [2024-10-14 10:01:59,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-14 10:01:59,175 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 567 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 389 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:59,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 852 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [389 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 10:01:59,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2024-10-14 10:01:59,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 2716. [2024-10-14 10:01:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2551 states have (on average 1.4586436691493532) internal successors, (3721), 2559 states have internal predecessors, (3721), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-14 10:01:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 4025 transitions. [2024-10-14 10:01:59,535 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 4025 transitions. Word has length 214 [2024-10-14 10:01:59,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:59,535 INFO L471 AbstractCegarLoop]: Abstraction has 2716 states and 4025 transitions. [2024-10-14 10:01:59,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:01:59,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 4025 transitions. [2024-10-14 10:01:59,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:01:59,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:59,542 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:59,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 10:01:59,542 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:59,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:59,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1051290667, now seen corresponding path program 1 times [2024-10-14 10:01:59,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:59,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127014250] [2024-10-14 10:01:59,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:59,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:00,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:00,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127014250] [2024-10-14 10:02:00,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127014250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:00,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:00,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 10:02:00,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922293523] [2024-10-14 10:02:00,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:00,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 10:02:00,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:00,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 10:02:00,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-14 10:02:00,155 INFO L87 Difference]: Start difference. First operand 2716 states and 4025 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:01,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:01,494 INFO L93 Difference]: Finished difference Result 6566 states and 9484 transitions. [2024-10-14 10:02:01,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 10:02:01,499 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:02:01,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:01,516 INFO L225 Difference]: With dead ends: 6566 [2024-10-14 10:02:01,517 INFO L226 Difference]: Without dead ends: 3851 [2024-10-14 10:02:01,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-14 10:02:01,522 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 326 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:01,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 1168 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 10:02:01,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3851 states. [2024-10-14 10:02:01,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3851 to 2920. [2024-10-14 10:02:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2755 states have (on average 1.4377495462794918) internal successors, (3961), 2763 states have internal predecessors, (3961), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-14 10:02:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4265 transitions. [2024-10-14 10:02:01,861 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4265 transitions. Word has length 214 [2024-10-14 10:02:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:01,861 INFO L471 AbstractCegarLoop]: Abstraction has 2920 states and 4265 transitions. [2024-10-14 10:02:01,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:01,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4265 transitions. [2024-10-14 10:02:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:02:01,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:01,865 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:01,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 10:02:01,866 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:01,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:01,866 INFO L85 PathProgramCache]: Analyzing trace with hash 21465770, now seen corresponding path program 1 times [2024-10-14 10:02:01,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:01,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474736918] [2024-10-14 10:02:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:01,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:01,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:01,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474736918] [2024-10-14 10:02:01,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474736918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:01,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:01,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:02:01,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533967701] [2024-10-14 10:02:01,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:01,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:02:01,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:01,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:02:01,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:02:01,967 INFO L87 Difference]: Start difference. First operand 2920 states and 4265 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:02,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:02,536 INFO L93 Difference]: Finished difference Result 7917 states and 11591 transitions. [2024-10-14 10:02:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:02:02,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:02:02,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:02,549 INFO L225 Difference]: With dead ends: 7917 [2024-10-14 10:02:02,549 INFO L226 Difference]: Without dead ends: 4998 [2024-10-14 10:02:02,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:02:02,553 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 161 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:02,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 480 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:02:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4998 states. [2024-10-14 10:02:02,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4998 to 2926. [2024-10-14 10:02:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2761 states have (on average 1.419051068453459) internal successors, (3918), 2769 states have internal predecessors, (3918), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-14 10:02:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 4222 transitions. [2024-10-14 10:02:02,888 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 4222 transitions. Word has length 214 [2024-10-14 10:02:02,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:02,888 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 4222 transitions. [2024-10-14 10:02:02,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 4222 transitions. [2024-10-14 10:02:02,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:02:02,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:02,892 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:02,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 10:02:02,892 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:02,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:02,892 INFO L85 PathProgramCache]: Analyzing trace with hash 279631208, now seen corresponding path program 1 times [2024-10-14 10:02:02,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:02,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356538607] [2024-10-14 10:02:02,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:02,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:03,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:03,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356538607] [2024-10-14 10:02:03,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356538607] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:03,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:03,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:02:03,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741353693] [2024-10-14 10:02:03,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:03,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:02:03,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:03,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:02:03,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:02:03,269 INFO L87 Difference]: Start difference. First operand 2926 states and 4222 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:04,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:04,519 INFO L93 Difference]: Finished difference Result 6168 states and 8941 transitions. [2024-10-14 10:02:04,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:02:04,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:02:04,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:04,528 INFO L225 Difference]: With dead ends: 6168 [2024-10-14 10:02:04,528 INFO L226 Difference]: Without dead ends: 3243 [2024-10-14 10:02:04,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:02:04,534 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 340 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:04,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 587 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 10:02:04,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2024-10-14 10:02:05,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 2790. [2024-10-14 10:02:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 2625 states have (on average 1.4255238095238094) internal successors, (3742), 2633 states have internal predecessors, (3742), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-14 10:02:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 4046 transitions. [2024-10-14 10:02:05,104 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 4046 transitions. Word has length 214 [2024-10-14 10:02:05,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:05,104 INFO L471 AbstractCegarLoop]: Abstraction has 2790 states and 4046 transitions. [2024-10-14 10:02:05,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:05,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 4046 transitions. [2024-10-14 10:02:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:02:05,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:05,109 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:05,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 10:02:05,109 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:05,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:05,110 INFO L85 PathProgramCache]: Analyzing trace with hash -354451948, now seen corresponding path program 1 times [2024-10-14 10:02:05,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:05,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738659785] [2024-10-14 10:02:05,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:05,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:05,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:05,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738659785] [2024-10-14 10:02:05,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738659785] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:05,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:05,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:02:05,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690035603] [2024-10-14 10:02:05,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:05,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:02:05,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:05,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:02:05,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:02:05,259 INFO L87 Difference]: Start difference. First operand 2790 states and 4046 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:05,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:05,671 INFO L93 Difference]: Finished difference Result 5978 states and 8588 transitions. [2024-10-14 10:02:05,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:02:05,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:02:05,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:05,680 INFO L225 Difference]: With dead ends: 5978 [2024-10-14 10:02:05,680 INFO L226 Difference]: Without dead ends: 3189 [2024-10-14 10:02:05,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:02:05,686 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 56 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:05,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 378 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:02:05,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2024-10-14 10:02:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 2724. [2024-10-14 10:02:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 2559 states have (on average 1.379054318093005) internal successors, (3529), 2567 states have internal predecessors, (3529), 152 states have call successors, (152), 12 states have call predecessors, (152), 12 states have return successors, (152), 144 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-14 10:02:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 3833 transitions. [2024-10-14 10:02:06,047 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 3833 transitions. Word has length 214 [2024-10-14 10:02:06,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:06,047 INFO L471 AbstractCegarLoop]: Abstraction has 2724 states and 3833 transitions. [2024-10-14 10:02:06,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 3833 transitions. [2024-10-14 10:02:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-14 10:02:06,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:06,050 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:06,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 10:02:06,050 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:06,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:06,050 INFO L85 PathProgramCache]: Analyzing trace with hash -423755052, now seen corresponding path program 1 times [2024-10-14 10:02:06,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:06,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988265408] [2024-10-14 10:02:06,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:06,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:06,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988265408] [2024-10-14 10:02:06,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988265408] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:06,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:06,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 10:02:06,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295362995] [2024-10-14 10:02:06,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:06,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 10:02:06,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:06,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 10:02:06,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:02:06,472 INFO L87 Difference]: Start difference. First operand 2724 states and 3833 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:08,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:08,265 INFO L93 Difference]: Finished difference Result 7640 states and 10774 transitions. [2024-10-14 10:02:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 10:02:08,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 214 [2024-10-14 10:02:08,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:08,278 INFO L225 Difference]: With dead ends: 7640 [2024-10-14 10:02:08,278 INFO L226 Difference]: Without dead ends: 4917 [2024-10-14 10:02:08,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-10-14 10:02:08,284 INFO L432 NwaCegarLoop]: 406 mSDtfsCounter, 288 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:08,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 1329 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 10:02:08,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2024-10-14 10:02:09,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 4378. [2024-10-14 10:02:09,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 4081 states have (on average 1.3741729968145062) internal successors, (5608), 4089 states have internal predecessors, (5608), 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) [2024-10-14 10:02:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6168 transitions. [2024-10-14 10:02:09,026 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6168 transitions. Word has length 214 [2024-10-14 10:02:09,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:09,026 INFO L471 AbstractCegarLoop]: Abstraction has 4378 states and 6168 transitions. [2024-10-14 10:02:09,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:09,027 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6168 transitions. [2024-10-14 10:02:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-14 10:02:09,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:09,030 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:09,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 10:02:09,030 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:09,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:09,030 INFO L85 PathProgramCache]: Analyzing trace with hash -324672416, now seen corresponding path program 1 times [2024-10-14 10:02:09,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:09,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008707625] [2024-10-14 10:02:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:09,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:09,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:09,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008707625] [2024-10-14 10:02:09,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008707625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:09,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:09,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 10:02:09,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132532247] [2024-10-14 10:02:09,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:09,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 10:02:09,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:09,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 10:02:09,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:02:09,356 INFO L87 Difference]: Start difference. First operand 4378 states and 6168 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:11,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:11,293 INFO L93 Difference]: Finished difference Result 9221 states and 13008 transitions. [2024-10-14 10:02:11,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:02:11,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-14 10:02:11,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:11,309 INFO L225 Difference]: With dead ends: 9221 [2024-10-14 10:02:11,309 INFO L226 Difference]: Without dead ends: 5233 [2024-10-14 10:02:11,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 10:02:11,318 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 123 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:11,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1009 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:02:11,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5233 states. [2024-10-14 10:02:12,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5233 to 4470. [2024-10-14 10:02:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4470 states, 4173 states have (on average 1.3687994248741913) internal successors, (5712), 4181 states have internal predecessors, (5712), 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) [2024-10-14 10:02:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4470 states to 4470 states and 6272 transitions. [2024-10-14 10:02:12,062 INFO L78 Accepts]: Start accepts. Automaton has 4470 states and 6272 transitions. Word has length 215 [2024-10-14 10:02:12,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:12,063 INFO L471 AbstractCegarLoop]: Abstraction has 4470 states and 6272 transitions. [2024-10-14 10:02:12,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 4470 states and 6272 transitions. [2024-10-14 10:02:12,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-14 10:02:12,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:12,066 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:12,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 10:02:12,067 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:12,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:12,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1814354006, now seen corresponding path program 1 times [2024-10-14 10:02:12,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:12,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272375540] [2024-10-14 10:02:12,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:12,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:12,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:12,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272375540] [2024-10-14 10:02:12,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272375540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:12,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:12,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 10:02:12,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186334855] [2024-10-14 10:02:12,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:12,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 10:02:12,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:12,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 10:02:12,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 10:02:12,488 INFO L87 Difference]: Start difference. First operand 4470 states and 6272 transitions. Second operand has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:13,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:13,928 INFO L93 Difference]: Finished difference Result 9979 states and 13724 transitions. [2024-10-14 10:02:13,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 10:02:13,929 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-14 10:02:13,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:13,940 INFO L225 Difference]: With dead ends: 9979 [2024-10-14 10:02:13,940 INFO L226 Difference]: Without dead ends: 6529 [2024-10-14 10:02:13,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-10-14 10:02:13,946 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 372 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:13,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1104 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 10:02:13,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states. [2024-10-14 10:02:14,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6529 to 4506. [2024-10-14 10:02:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4506 states, 4209 states have (on average 1.3703967688287004) internal successors, (5768), 4217 states have internal predecessors, (5768), 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) [2024-10-14 10:02:14,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4506 states to 4506 states and 6328 transitions. [2024-10-14 10:02:14,751 INFO L78 Accepts]: Start accepts. Automaton has 4506 states and 6328 transitions. Word has length 215 [2024-10-14 10:02:14,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:14,752 INFO L471 AbstractCegarLoop]: Abstraction has 4506 states and 6328 transitions. [2024-10-14 10:02:14,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states and 6328 transitions. [2024-10-14 10:02:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-14 10:02:14,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:14,755 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:14,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 10:02:14,755 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:14,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:14,756 INFO L85 PathProgramCache]: Analyzing trace with hash -824403915, now seen corresponding path program 1 times [2024-10-14 10:02:14,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:14,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819039844] [2024-10-14 10:02:14,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:14,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:15,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:15,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819039844] [2024-10-14 10:02:15,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819039844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:15,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:15,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 10:02:15,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087673128] [2024-10-14 10:02:15,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:15,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 10:02:15,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:15,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 10:02:15,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-14 10:02:15,910 INFO L87 Difference]: Start difference. First operand 4506 states and 6328 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:17,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:17,750 INFO L93 Difference]: Finished difference Result 10736 states and 14776 transitions. [2024-10-14 10:02:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 10:02:17,751 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-14 10:02:17,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:17,764 INFO L225 Difference]: With dead ends: 10736 [2024-10-14 10:02:17,764 INFO L226 Difference]: Without dead ends: 6231 [2024-10-14 10:02:17,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-10-14 10:02:17,773 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 394 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:17,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 968 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 10:02:17,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2024-10-14 10:02:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 4583. [2024-10-14 10:02:18,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4583 states, 4278 states have (on average 1.3693314633006077) internal successors, (5858), 4286 states have internal predecessors, (5858), 280 states have call successors, (280), 24 states have call predecessors, (280), 24 states have return successors, (280), 272 states have call predecessors, (280), 280 states have call successors, (280) [2024-10-14 10:02:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 4583 states and 6418 transitions. [2024-10-14 10:02:18,542 INFO L78 Accepts]: Start accepts. Automaton has 4583 states and 6418 transitions. Word has length 215 [2024-10-14 10:02:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:18,542 INFO L471 AbstractCegarLoop]: Abstraction has 4583 states and 6418 transitions. [2024-10-14 10:02:18,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4583 states and 6418 transitions. [2024-10-14 10:02:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-14 10:02:18,545 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:18,546 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:18,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 10:02:18,546 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:18,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:18,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1781619639, now seen corresponding path program 1 times [2024-10-14 10:02:18,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:18,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519814279] [2024-10-14 10:02:18,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:18,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:18,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:18,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519814279] [2024-10-14 10:02:18,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519814279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:18,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:18,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:02:18,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632775240] [2024-10-14 10:02:18,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:18,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:02:18,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:18,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:02:18,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:02:18,710 INFO L87 Difference]: Start difference. First operand 4583 states and 6418 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:20,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:20,068 INFO L93 Difference]: Finished difference Result 12294 states and 17335 transitions. [2024-10-14 10:02:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:02:20,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-14 10:02:20,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:20,081 INFO L225 Difference]: With dead ends: 12294 [2024-10-14 10:02:20,081 INFO L226 Difference]: Without dead ends: 7712 [2024-10-14 10:02:20,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:02:20,091 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 183 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:20,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 721 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:02:20,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7712 states. [2024-10-14 10:02:21,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7712 to 5875. [2024-10-14 10:02:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5875 states, 5428 states have (on average 1.3647752394988946) internal successors, (7408), 5438 states have internal predecessors, (7408), 412 states have call successors, (412), 34 states have call predecessors, (412), 34 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-14 10:02:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5875 states to 5875 states and 8232 transitions. [2024-10-14 10:02:21,147 INFO L78 Accepts]: Start accepts. Automaton has 5875 states and 8232 transitions. Word has length 215 [2024-10-14 10:02:21,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:21,148 INFO L471 AbstractCegarLoop]: Abstraction has 5875 states and 8232 transitions. [2024-10-14 10:02:21,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 5875 states and 8232 transitions. [2024-10-14 10:02:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-14 10:02:21,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:21,151 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:21,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 10:02:21,152 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:21,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:21,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1745502284, now seen corresponding path program 1 times [2024-10-14 10:02:21,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:21,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041823977] [2024-10-14 10:02:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:21,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:21,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:21,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041823977] [2024-10-14 10:02:21,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041823977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:21,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:21,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:02:21,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287976489] [2024-10-14 10:02:21,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:21,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:02:21,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:21,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:02:21,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:02:21,476 INFO L87 Difference]: Start difference. First operand 5875 states and 8232 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:22,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:22,691 INFO L93 Difference]: Finished difference Result 11378 states and 15981 transitions. [2024-10-14 10:02:22,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:02:22,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 215 [2024-10-14 10:02:22,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:22,703 INFO L225 Difference]: With dead ends: 11378 [2024-10-14 10:02:22,704 INFO L226 Difference]: Without dead ends: 5504 [2024-10-14 10:02:22,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:02:22,714 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 201 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:22,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 693 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:02:22,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2024-10-14 10:02:23,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5430. [2024-10-14 10:02:23,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5430 states, 4983 states have (on average 1.361830222757375) internal successors, (6786), 4993 states have internal predecessors, (6786), 412 states have call successors, (412), 34 states have call predecessors, (412), 34 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-14 10:02:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5430 states to 5430 states and 7610 transitions. [2024-10-14 10:02:23,721 INFO L78 Accepts]: Start accepts. Automaton has 5430 states and 7610 transitions. Word has length 215 [2024-10-14 10:02:23,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:23,722 INFO L471 AbstractCegarLoop]: Abstraction has 5430 states and 7610 transitions. [2024-10-14 10:02:23,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5430 states and 7610 transitions. [2024-10-14 10:02:23,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 10:02:23,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:23,726 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:23,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 10:02:23,726 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:23,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:23,726 INFO L85 PathProgramCache]: Analyzing trace with hash -608279561, now seen corresponding path program 1 times [2024-10-14 10:02:23,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:23,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686085559] [2024-10-14 10:02:23,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:23,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:24,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:24,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686085559] [2024-10-14 10:02:24,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686085559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:24,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:24,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 10:02:24,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715173329] [2024-10-14 10:02:24,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:24,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 10:02:24,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:24,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 10:02:24,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-14 10:02:24,307 INFO L87 Difference]: Start difference. First operand 5430 states and 7610 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:26,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:26,006 INFO L93 Difference]: Finished difference Result 9831 states and 13505 transitions. [2024-10-14 10:02:26,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 10:02:26,007 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 216 [2024-10-14 10:02:26,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:26,019 INFO L225 Difference]: With dead ends: 9831 [2024-10-14 10:02:26,019 INFO L226 Difference]: Without dead ends: 6943 [2024-10-14 10:02:26,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-10-14 10:02:26,025 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 404 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:26,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1249 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 10:02:26,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6943 states. [2024-10-14 10:02:27,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6943 to 5490. [2024-10-14 10:02:27,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5490 states, 5043 states have (on average 1.3603014078921276) internal successors, (6860), 5053 states have internal predecessors, (6860), 412 states have call successors, (412), 34 states have call predecessors, (412), 34 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-14 10:02:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5490 states to 5490 states and 7684 transitions. [2024-10-14 10:02:27,092 INFO L78 Accepts]: Start accepts. Automaton has 5490 states and 7684 transitions. Word has length 216 [2024-10-14 10:02:27,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:27,092 INFO L471 AbstractCegarLoop]: Abstraction has 5490 states and 7684 transitions. [2024-10-14 10:02:27,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5490 states and 7684 transitions. [2024-10-14 10:02:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 10:02:27,096 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:27,096 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:27,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 10:02:27,096 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:27,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:27,096 INFO L85 PathProgramCache]: Analyzing trace with hash -983263879, now seen corresponding path program 1 times [2024-10-14 10:02:27,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:27,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243894692] [2024-10-14 10:02:27,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:28,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:28,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243894692] [2024-10-14 10:02:28,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243894692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:28,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:28,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 10:02:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128988355] [2024-10-14 10:02:28,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:28,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 10:02:28,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:28,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 10:02:28,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-14 10:02:28,254 INFO L87 Difference]: Start difference. First operand 5490 states and 7684 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:29,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:02:29,388 INFO L93 Difference]: Finished difference Result 7819 states and 10923 transitions. [2024-10-14 10:02:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 10:02:29,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 216 [2024-10-14 10:02:29,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:02:29,399 INFO L225 Difference]: With dead ends: 7819 [2024-10-14 10:02:29,399 INFO L226 Difference]: Without dead ends: 5514 [2024-10-14 10:02:29,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-14 10:02:29,404 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 114 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:02:29,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 791 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:02:29,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5514 states. [2024-10-14 10:02:30,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5514 to 5506. [2024-10-14 10:02:30,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5506 states, 5055 states have (on average 1.3578635014836795) internal successors, (6864), 5065 states have internal predecessors, (6864), 412 states have call successors, (412), 38 states have call predecessors, (412), 38 states have return successors, (412), 402 states have call predecessors, (412), 412 states have call successors, (412) [2024-10-14 10:02:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5506 states to 5506 states and 7688 transitions. [2024-10-14 10:02:30,295 INFO L78 Accepts]: Start accepts. Automaton has 5506 states and 7688 transitions. Word has length 216 [2024-10-14 10:02:30,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:02:30,296 INFO L471 AbstractCegarLoop]: Abstraction has 5506 states and 7688 transitions. [2024-10-14 10:02:30,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 10:02:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5506 states and 7688 transitions. [2024-10-14 10:02:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-14 10:02:30,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:02:30,299 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:02:30,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-14 10:02:30,300 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:02:30,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:02:30,300 INFO L85 PathProgramCache]: Analyzing trace with hash -187797392, now seen corresponding path program 1 times [2024-10-14 10:02:30,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:02:30,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739324834] [2024-10-14 10:02:30,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:02:30,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:02:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:02:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:02:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:02:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:02:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:02:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:02:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:02:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 10:02:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-14 10:02:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 10:02:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 10:02:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 10:02:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 10:02:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-14 10:02:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-14 10:02:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 10:02:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 10:02:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 10:02:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-14 10:02:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 10:02:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 10:02:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 10:02:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-14 10:02:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:02:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:02:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:02:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:02:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:02:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:02:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:02:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:02:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:02:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:02:30,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 10:02:30,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:02:30,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739324834] [2024-10-14 10:02:30,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739324834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:02:30,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:02:30,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:02:30,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185155215] [2024-10-14 10:02:30,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:02:30,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:02:30,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:02:30,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:02:30,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:02:30,555 INFO L87 Difference]: Start difference. First operand 5506 states and 7688 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32)