./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.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-pe-cn_file-34.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 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:14:26,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:14:26,627 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:14:26,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:14:26,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:14:26,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:14:26,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:14:26,661 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:14:26,662 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:14:26,664 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:14:26,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:14:26,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:14:26,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:14:26,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:14:26,666 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:14:26,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:14:26,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:14:26,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:14:26,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:14:26,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:14:26,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:14:26,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:14:26,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:14:26,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:14:26,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:14:26,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:14:26,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:14:26,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:14:26,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:14:26,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:14:26,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:14:26,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:14:26,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:14:26,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:14:26,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:14:26,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:14:26,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:14:26,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:14:26,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:14:26,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:14:26,674 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:14:26,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:14:26,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f [2024-10-14 09:14:26,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:14:26,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:14:26,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:14:26,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:14:26,950 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:14:26,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-10-14 09:14:28,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:14:28,354 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:14:28,355 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-10-14 09:14:28,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3fb6bff/3c670b83e383466f81753a8c35cefdca/FLAGed37e77dd [2024-10-14 09:14:28,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3fb6bff/3c670b83e383466f81753a8c35cefdca [2024-10-14 09:14:28,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:14:28,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:14:28,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:14:28,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:14:28,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:14:28,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7406ea58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28, skipping insertion in model container [2024-10-14 09:14:28,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:14:28,552 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i[919,932] [2024-10-14 09:14:28,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:14:28,635 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:14:28,646 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i[919,932] [2024-10-14 09:14:28,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:14:28,697 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:14:28,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28 WrapperNode [2024-10-14 09:14:28,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:14:28,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:14:28,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:14:28,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:14:28,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,747 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-14 09:14:28,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:14:28,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:14:28,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:14:28,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:14:28,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,809 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 09:14:28,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:14:28,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:14:28,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:14:28,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:14:28,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (1/1) ... [2024-10-14 09:14:28,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:14:28,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:14:28,872 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 09:14:28,875 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 09:14:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:14:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:14:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:14:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:14:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:14:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:14:29,037 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:14:29,039 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:14:29,486 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-14 09:14:29,486 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:14:29,522 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:14:29,522 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:14:29,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:14:29 BoogieIcfgContainer [2024-10-14 09:14:29,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:14:29,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:14:29,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:14:29,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:14:29,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:14:28" (1/3) ... [2024-10-14 09:14:29,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc8ee98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:14:29, skipping insertion in model container [2024-10-14 09:14:29,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:14:28" (2/3) ... [2024-10-14 09:14:29,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc8ee98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:14:29, skipping insertion in model container [2024-10-14 09:14:29,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:14:29" (3/3) ... [2024-10-14 09:14:29,528 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-10-14 09:14:29,550 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:14:29,550 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:14:29,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:14:29,607 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;@456be06e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:14:29,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:14:29,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 09:14:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-14 09:14:29,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:29,631 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:29,631 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:29,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:29,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1295163746, now seen corresponding path program 1 times [2024-10-14 09:14:29,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:29,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521730118] [2024-10-14 09:14:29,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:29,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:29,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:14:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:29,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:14:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:29,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:14:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:29,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:14:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:29,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:14:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:29,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:14:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:29,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:14:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:29,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:14:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:29,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:14:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:14:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:14:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:14:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:14:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:14:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:14:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:14:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:14:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:14:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:14:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:14:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:14:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:14:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:14:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:14:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:14:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:14:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:14:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:14:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:14:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:14:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:14:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:14:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:14:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:14:30,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:14:30,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521730118] [2024-10-14 09:14:30,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521730118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:14:30,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:14:30,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:14:30,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958361987] [2024-10-14 09:14:30,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:14:30,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:14:30,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:14:30,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:14:30,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:14:30,198 INFO L87 Difference]: Start difference. First operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 09:14:30,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:14:30,243 INFO L93 Difference]: Finished difference Result 209 states and 375 transitions. [2024-10-14 09:14:30,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:14:30,245 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 208 [2024-10-14 09:14:30,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:14:30,252 INFO L225 Difference]: With dead ends: 209 [2024-10-14 09:14:30,252 INFO L226 Difference]: Without dead ends: 104 [2024-10-14 09:14:30,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:14:30,261 INFO L432 NwaCegarLoop]: 164 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, 164 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 09:14:30,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:14:30,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-14 09:14:30,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-14 09:14:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.463768115942029) internal successors, (101), 69 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-14 09:14:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 167 transitions. [2024-10-14 09:14:30,312 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 167 transitions. Word has length 208 [2024-10-14 09:14:30,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:14:30,313 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 167 transitions. [2024-10-14 09:14:30,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 09:14:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2024-10-14 09:14:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-14 09:14:30,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:30,317 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:30,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:14:30,318 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:30,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:30,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1531416220, now seen corresponding path program 1 times [2024-10-14 09:14:30,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:30,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445585244] [2024-10-14 09:14:30,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:30,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:14:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:14:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:14:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:14:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:14:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:14:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:14:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:14:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:14:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:14:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:14:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:14:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:14:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:14:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:14:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:14:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:14:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:14:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:14:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:14:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:14:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:14:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:14:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:14:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:14:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:14:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:14:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:14:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:14:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:14:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:14:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:14:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:14:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:14:30,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:14:30,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445585244] [2024-10-14 09:14:30,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445585244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:14:30,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:14:30,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 09:14:30,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414397032] [2024-10-14 09:14:30,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:14:30,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 09:14:30,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:14:30,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 09:14:30,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:14:30,972 INFO L87 Difference]: Start difference. First operand 104 states and 167 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:31,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:14:31,223 INFO L93 Difference]: Finished difference Result 349 states and 562 transitions. [2024-10-14 09:14:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:14:31,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208 [2024-10-14 09:14:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:14:31,226 INFO L225 Difference]: With dead ends: 349 [2024-10-14 09:14:31,226 INFO L226 Difference]: Without dead ends: 246 [2024-10-14 09:14:31,227 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 09:14:31,228 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 173 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:14:31,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 538 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 09:14:31,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-14 09:14:31,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 207. [2024-10-14 09:14:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 09:14:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 333 transitions. [2024-10-14 09:14:31,258 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 333 transitions. Word has length 208 [2024-10-14 09:14:31,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:14:31,259 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 333 transitions. [2024-10-14 09:14:31,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 333 transitions. [2024-10-14 09:14:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-14 09:14:31,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:31,263 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:31,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:14:31,264 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:31,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:31,264 INFO L85 PathProgramCache]: Analyzing trace with hash -913231629, now seen corresponding path program 1 times [2024-10-14 09:14:31,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:31,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2232585] [2024-10-14 09:14:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:14:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:14:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:14:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:14:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:14:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:14:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:14:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:14:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:14:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:14:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:14:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:14:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:14:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:14:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:14:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:14:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:14:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:14:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:14:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:14:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:14:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:14:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:14:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:14:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:14:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:14:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:14:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:14:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:14:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:14:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:14:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:14:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:14:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:14:31,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:14:31,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2232585] [2024-10-14 09:14:31,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2232585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:14:31,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:14:31,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:14:31,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752442047] [2024-10-14 09:14:31,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:14:31,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:14:31,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:14:31,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:14:31,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:14:31,649 INFO L87 Difference]: Start difference. First operand 207 states and 333 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:31,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:14:31,936 INFO L93 Difference]: Finished difference Result 614 states and 986 transitions. [2024-10-14 09:14:31,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:14:31,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209 [2024-10-14 09:14:31,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:14:31,940 INFO L225 Difference]: With dead ends: 614 [2024-10-14 09:14:31,940 INFO L226 Difference]: Without dead ends: 408 [2024-10-14 09:14:31,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 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 09:14:31,942 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 199 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:14:31,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 590 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 09:14:31,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-14 09:14:31,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 211. [2024-10-14 09:14:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 09:14:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 337 transitions. [2024-10-14 09:14:31,990 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 337 transitions. Word has length 209 [2024-10-14 09:14:31,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:14:31,991 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 337 transitions. [2024-10-14 09:14:31,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:31,991 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 337 transitions. [2024-10-14 09:14:31,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-14 09:14:31,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:31,994 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:31,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:14:31,994 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:31,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:31,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1359476500, now seen corresponding path program 1 times [2024-10-14 09:14:31,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:31,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103528337] [2024-10-14 09:14:31,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:31,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:14:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:14:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:14:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:14:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:14:40,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:14:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:14:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:14:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:14:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:14:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:14:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:14:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:14:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:14:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:14:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:14:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:14:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:14:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:14:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:14:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:14:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:14:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:14:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:14:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:14:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:14:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:14:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:14:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:14:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:40,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:14:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:14:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:41,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:14:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:41,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:14:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:14:41,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:14:41,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103528337] [2024-10-14 09:14:41,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103528337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:14:41,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:14:41,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 09:14:41,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696781468] [2024-10-14 09:14:41,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:14:41,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 09:14:41,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:14:41,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 09:14:41,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-14 09:14:41,016 INFO L87 Difference]: Start difference. First operand 211 states and 337 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:43,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:14:43,814 INFO L93 Difference]: Finished difference Result 843 states and 1337 transitions. [2024-10-14 09:14:43,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 09:14:43,815 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-14 09:14:43,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:14:43,822 INFO L225 Difference]: With dead ends: 843 [2024-10-14 09:14:43,822 INFO L226 Difference]: Without dead ends: 633 [2024-10-14 09:14:43,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=161, Invalid=345, Unknown=0, NotChecked=0, Total=506 [2024-10-14 09:14:43,824 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1127 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 09:14:43,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 960 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 09:14:43,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-10-14 09:14:43,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 454. [2024-10-14 09:14:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 310 states have (on average 1.4516129032258065) internal successors, (450), 311 states have internal predecessors, (450), 137 states have call successors, (137), 6 states have call predecessors, (137), 6 states have return successors, (137), 136 states have call predecessors, (137), 137 states have call successors, (137) [2024-10-14 09:14:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 724 transitions. [2024-10-14 09:14:43,876 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 724 transitions. Word has length 210 [2024-10-14 09:14:43,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:14:43,877 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 724 transitions. [2024-10-14 09:14:43,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 724 transitions. [2024-10-14 09:14:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-14 09:14:43,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:43,879 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:43,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:14:43,879 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:43,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:43,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1946282514, now seen corresponding path program 1 times [2024-10-14 09:14:43,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:43,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650880536] [2024-10-14 09:14:43,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:43,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:14:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:14:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:14:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:14:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:14:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:14:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:14:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:14:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:14:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:14:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:14:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:14:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:14:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:14:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:14:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:14:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:14:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:14:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:14:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:14:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:14:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:14:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:14:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:14:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:14:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:14:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:14:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:14:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:14:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:14:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:14:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:14:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:14:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:14:46,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:14:46,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650880536] [2024-10-14 09:14:46,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650880536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:14:46,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:14:46,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 09:14:46,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358359704] [2024-10-14 09:14:46,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:14:46,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 09:14:46,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:14:46,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 09:14:46,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 09:14:46,353 INFO L87 Difference]: Start difference. First operand 454 states and 724 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:47,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:14:47,622 INFO L93 Difference]: Finished difference Result 1451 states and 2328 transitions. [2024-10-14 09:14:47,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 09:14:47,622 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-14 09:14:47,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:14:47,627 INFO L225 Difference]: With dead ends: 1451 [2024-10-14 09:14:47,627 INFO L226 Difference]: Without dead ends: 1005 [2024-10-14 09:14:47,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-14 09:14:47,630 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 551 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 09:14:47,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 712 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 09:14:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2024-10-14 09:14:47,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 553. [2024-10-14 09:14:47,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 380 states have (on average 1.4342105263157894) internal successors, (545), 380 states have internal predecessors, (545), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-14 09:14:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 875 transitions. [2024-10-14 09:14:47,684 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 875 transitions. Word has length 210 [2024-10-14 09:14:47,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:14:47,685 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 875 transitions. [2024-10-14 09:14:47,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 875 transitions. [2024-10-14 09:14:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-14 09:14:47,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:47,687 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:47,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 09:14:47,687 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:47,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:47,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1655627118, now seen corresponding path program 1 times [2024-10-14 09:14:47,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:47,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855824962] [2024-10-14 09:14:47,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:47,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:14:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:14:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:14:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:14:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:14:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:14:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:14:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:14:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:14:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:14:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:14:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:14:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:14:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:14:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:14:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:14:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:14:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:14:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:14:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:14:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:14:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:14:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:14:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:14:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:14:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:14:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:14:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:14:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:14:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:14:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:14:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:14:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:14:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:14:50,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:14:50,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855824962] [2024-10-14 09:14:50,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855824962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:14:50,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:14:50,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 09:14:50,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923627936] [2024-10-14 09:14:50,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:14:50,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 09:14:50,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:14:50,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 09:14:50,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 09:14:50,355 INFO L87 Difference]: Start difference. First operand 553 states and 875 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 09:14:51,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:14:51,525 INFO L93 Difference]: Finished difference Result 1511 states and 2398 transitions. [2024-10-14 09:14:51,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 09:14:51,525 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 210 [2024-10-14 09:14:51,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:14:51,534 INFO L225 Difference]: With dead ends: 1511 [2024-10-14 09:14:51,534 INFO L226 Difference]: Without dead ends: 1024 [2024-10-14 09:14:51,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-10-14 09:14:51,538 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 640 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 09:14:51,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 789 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 09:14:51,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-10-14 09:14:51,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 840. [2024-10-14 09:14:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 667 states have (on average 1.5322338830584707) internal successors, (1022), 667 states have internal predecessors, (1022), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-14 09:14:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1352 transitions. [2024-10-14 09:14:51,592 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1352 transitions. Word has length 210 [2024-10-14 09:14:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:14:51,593 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1352 transitions. [2024-10-14 09:14:51,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-14 09:14:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1352 transitions. [2024-10-14 09:14:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-14 09:14:51,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:51,596 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:51,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 09:14:51,596 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:51,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:51,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2017447645, now seen corresponding path program 1 times [2024-10-14 09:14:51,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:51,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300383189] [2024-10-14 09:14:51,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:51,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:14:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:14:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:14:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:14:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:14:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:14:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:14:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:14:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:14:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:14:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:14:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:14:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:14:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:14:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:14:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:14:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:14:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:14:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:14:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:14:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:14:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:14:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:14:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:14:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:14:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:14:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:14:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:14:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:14:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:14:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:14:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:14:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:14:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:14:53,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:14:53,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300383189] [2024-10-14 09:14:53,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300383189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:14:53,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:14:53,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 09:14:53,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561188184] [2024-10-14 09:14:53,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:14:53,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 09:14:53,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:14:53,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 09:14:53,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 09:14:53,385 INFO L87 Difference]: Start difference. First operand 840 states and 1352 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:53,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:14:53,878 INFO L93 Difference]: Finished difference Result 1422 states and 2290 transitions. [2024-10-14 09:14:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 09:14:53,878 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-14 09:14:53,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:14:53,883 INFO L225 Difference]: With dead ends: 1422 [2024-10-14 09:14:53,883 INFO L226 Difference]: Without dead ends: 1120 [2024-10-14 09:14:53,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 09:14:53,885 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 273 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 09:14:53,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 610 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 09:14:53,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-10-14 09:14:53,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 846. [2024-10-14 09:14:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 673 states have (on average 1.5245170876671619) internal successors, (1026), 673 states have internal predecessors, (1026), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-14 09:14:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1356 transitions. [2024-10-14 09:14:53,938 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1356 transitions. Word has length 210 [2024-10-14 09:14:53,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:14:53,939 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1356 transitions. [2024-10-14 09:14:53,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1356 transitions. [2024-10-14 09:14:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-14 09:14:53,942 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:53,942 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:53,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 09:14:53,943 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:53,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1531036332, now seen corresponding path program 1 times [2024-10-14 09:14:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:53,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568084987] [2024-10-14 09:14:53,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:53,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:14:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:14:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:14:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:14:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:14:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:14:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:14:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:14:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:14:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:14:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:14:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:14:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:14:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:14:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:14:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:14:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:14:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:14:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:14:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:14:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:14:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:14:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:14:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:14:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:14:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:14:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:14:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:14:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:14:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:14:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:14:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:14:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:14:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:14:54,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:14:54,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568084987] [2024-10-14 09:14:54,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568084987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:14:54,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:14:54,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 09:14:54,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797201740] [2024-10-14 09:14:54,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:14:54,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 09:14:54,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:14:54,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 09:14:54,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 09:14:54,362 INFO L87 Difference]: Start difference. First operand 846 states and 1356 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:55,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:14:55,056 INFO L93 Difference]: Finished difference Result 1852 states and 2990 transitions. [2024-10-14 09:14:55,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 09:14:55,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-14 09:14:55,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:14:55,063 INFO L225 Difference]: With dead ends: 1852 [2024-10-14 09:14:55,063 INFO L226 Difference]: Without dead ends: 1282 [2024-10-14 09:14:55,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-14 09:14:55,067 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 347 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:14:55,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 763 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 09:14:55,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2024-10-14 09:14:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 836. [2024-10-14 09:14:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 663 states have (on average 1.5203619909502262) internal successors, (1008), 663 states have internal predecessors, (1008), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-14 09:14:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1338 transitions. [2024-10-14 09:14:55,124 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1338 transitions. Word has length 210 [2024-10-14 09:14:55,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:14:55,124 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1338 transitions. [2024-10-14 09:14:55,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1338 transitions. [2024-10-14 09:14:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-14 09:14:55,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:55,127 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:55,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 09:14:55,127 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:55,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:55,127 INFO L85 PathProgramCache]: Analyzing trace with hash 837978668, now seen corresponding path program 1 times [2024-10-14 09:14:55,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:55,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508024214] [2024-10-14 09:14:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:55,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:14:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:14:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:14:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:14:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:14:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:14:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:14:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:14:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:14:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:14:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:14:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:14:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:14:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:14:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:14:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:14:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:14:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:14:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:14:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:14:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:14:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:14:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:14:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:14:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:14:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:14:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:14:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:14:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:14:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:14:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:14:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:14:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:14:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:14:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:14:55,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:14:55,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508024214] [2024-10-14 09:14:55,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508024214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:14:55,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:14:55,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 09:14:55,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808904969] [2024-10-14 09:14:55,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:14:55,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 09:14:55,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:14:55,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 09:14:55,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:14:55,541 INFO L87 Difference]: Start difference. First operand 836 states and 1338 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:55,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:14:55,784 INFO L93 Difference]: Finished difference Result 1548 states and 2474 transitions. [2024-10-14 09:14:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:14:55,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-14 09:14:55,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:14:55,788 INFO L225 Difference]: With dead ends: 1548 [2024-10-14 09:14:55,789 INFO L226 Difference]: Without dead ends: 834 [2024-10-14 09:14:55,791 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 09:14:55,791 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 107 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:14:55,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 429 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 09:14:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-10-14 09:14:55,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 784. [2024-10-14 09:14:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 611 states have (on average 1.4991816693944353) internal successors, (916), 611 states have internal predecessors, (916), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-14 09:14:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1246 transitions. [2024-10-14 09:14:55,844 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1246 transitions. Word has length 210 [2024-10-14 09:14:55,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:14:55,845 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1246 transitions. [2024-10-14 09:14:55,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:14:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1246 transitions. [2024-10-14 09:14:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 09:14:55,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:14:55,847 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:14:55,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 09:14:55,847 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:14:55,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:14:55,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1484856088, now seen corresponding path program 1 times [2024-10-14 09:14:55,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:14:55,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67114616] [2024-10-14 09:14:55,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:14:55,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:14:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:15:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:15:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:15:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:15:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:15:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:15:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:15:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:15:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:15:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:15:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:15:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:15:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:15:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:15:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:15:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:15:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:15:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:15:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:15:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:15:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:15:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:15:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:15:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:15:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:15:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:15:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:15:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:15:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:15:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:15:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:15:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:15:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:15:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:15:00,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:15:00,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67114616] [2024-10-14 09:15:00,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67114616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:15:00,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:15:00,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 09:15:00,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741099407] [2024-10-14 09:15:00,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:15:00,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 09:15:00,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:15:00,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 09:15:00,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-14 09:15:00,882 INFO L87 Difference]: Start difference. First operand 784 states and 1246 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:02,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:15:02,013 INFO L93 Difference]: Finished difference Result 1356 states and 2163 transitions. [2024-10-14 09:15:02,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 09:15:02,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-14 09:15:02,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:15:02,018 INFO L225 Difference]: With dead ends: 1356 [2024-10-14 09:15:02,018 INFO L226 Difference]: Without dead ends: 1146 [2024-10-14 09:15:02,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-10-14 09:15:02,020 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 587 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 09:15:02,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 763 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 09:15:02,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2024-10-14 09:15:02,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 880. [2024-10-14 09:15:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 705 states have (on average 1.5148936170212766) internal successors, (1068), 705 states have internal predecessors, (1068), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-14 09:15:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1398 transitions. [2024-10-14 09:15:02,084 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1398 transitions. Word has length 211 [2024-10-14 09:15:02,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:15:02,085 INFO L471 AbstractCegarLoop]: Abstraction has 880 states and 1398 transitions. [2024-10-14 09:15:02,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:02,085 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1398 transitions. [2024-10-14 09:15:02,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 09:15:02,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:15:02,087 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:15:02,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 09:15:02,087 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:15:02,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:15:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1122462498, now seen corresponding path program 1 times [2024-10-14 09:15:02,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:15:02,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712044440] [2024-10-14 09:15:02,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:15:02,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:15:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:15:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:15:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:15:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:15:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:15:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:15:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:15:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:15:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:15:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:15:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:15:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:15:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:15:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:15:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:15:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:15:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:15:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:15:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:15:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:15:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:15:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:15:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:15:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:15:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:15:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:15:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:15:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:15:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:15:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:15:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:15:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:15:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:15:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:15:08,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:15:08,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712044440] [2024-10-14 09:15:08,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712044440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:15:08,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:15:08,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 09:15:08,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080666248] [2024-10-14 09:15:08,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:15:08,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 09:15:08,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:15:08,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 09:15:08,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-14 09:15:08,523 INFO L87 Difference]: Start difference. First operand 880 states and 1398 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:10,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:15:10,626 INFO L93 Difference]: Finished difference Result 2236 states and 3587 transitions. [2024-10-14 09:15:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 09:15:10,627 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-14 09:15:10,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:15:10,633 INFO L225 Difference]: With dead ends: 2236 [2024-10-14 09:15:10,634 INFO L226 Difference]: Without dead ends: 1588 [2024-10-14 09:15:10,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-10-14 09:15:10,637 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 476 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:15:10,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1105 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 09:15:10,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2024-10-14 09:15:10,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1200. [2024-10-14 09:15:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1200 states, 1025 states have (on average 1.551219512195122) internal successors, (1590), 1025 states have internal predecessors, (1590), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-14 09:15:10,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1920 transitions. [2024-10-14 09:15:10,705 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1920 transitions. Word has length 211 [2024-10-14 09:15:10,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:15:10,706 INFO L471 AbstractCegarLoop]: Abstraction has 1200 states and 1920 transitions. [2024-10-14 09:15:10,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1920 transitions. [2024-10-14 09:15:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 09:15:10,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:15:10,708 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:15:10,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 09:15:10,708 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:15:10,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:15:10,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1899965545, now seen corresponding path program 1 times [2024-10-14 09:15:10,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:15:10,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558709445] [2024-10-14 09:15:10,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:15:10,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:15:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:15:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:15:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:15:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:15:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:15:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:15:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:15:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:15:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:15:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:15:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:15:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:15:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:15:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:15:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:15:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:15:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:15:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:15:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:15:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:15:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:15:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:15:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:15:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:15:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:15:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:15:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:15:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:15:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:15:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:15:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:15:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:15:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:15:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:17,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:15:17,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:15:17,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558709445] [2024-10-14 09:15:17,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558709445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:15:17,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:15:17,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 09:15:17,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103017344] [2024-10-14 09:15:17,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:15:17,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 09:15:17,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:15:17,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 09:15:17,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-14 09:15:17,133 INFO L87 Difference]: Start difference. First operand 1200 states and 1920 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:18,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:15:18,793 INFO L93 Difference]: Finished difference Result 2429 states and 3943 transitions. [2024-10-14 09:15:18,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 09:15:18,794 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-14 09:15:18,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:15:18,802 INFO L225 Difference]: With dead ends: 2429 [2024-10-14 09:15:18,802 INFO L226 Difference]: Without dead ends: 2043 [2024-10-14 09:15:18,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-10-14 09:15:18,807 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 614 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 09:15:18,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 696 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 09:15:18,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2024-10-14 09:15:18,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 846. [2024-10-14 09:15:18,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 741 states have (on average 1.5654520917678811) internal successors, (1160), 741 states have internal predecessors, (1160), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-14 09:15:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1358 transitions. [2024-10-14 09:15:18,864 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1358 transitions. Word has length 212 [2024-10-14 09:15:18,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:15:18,865 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1358 transitions. [2024-10-14 09:15:18,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1358 transitions. [2024-10-14 09:15:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 09:15:18,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:15:18,867 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:15:18,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 09:15:18,867 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:15:18,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:15:18,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1115138073, now seen corresponding path program 1 times [2024-10-14 09:15:18,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:15:18,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273632868] [2024-10-14 09:15:18,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:15:18,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:15:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:15:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:15:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:15:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:15:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:15:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:15:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:15:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:15:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:15:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:15:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:15:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:15:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:15:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:15:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:15:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:15:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:15:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:15:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:15:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:15:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:15:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:15:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:15:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:15:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:15:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:15:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:15:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:15:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:15:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:15:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:15:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:15:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:15:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:15:22,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:15:22,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273632868] [2024-10-14 09:15:22,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273632868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:15:22,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:15:22,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 09:15:22,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245698814] [2024-10-14 09:15:22,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:15:22,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 09:15:22,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:15:22,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 09:15:22,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 09:15:22,255 INFO L87 Difference]: Start difference. First operand 846 states and 1358 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:23,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:15:23,157 INFO L93 Difference]: Finished difference Result 1421 states and 2266 transitions. [2024-10-14 09:15:23,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 09:15:23,158 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-14 09:15:23,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:15:23,161 INFO L225 Difference]: With dead ends: 1421 [2024-10-14 09:15:23,162 INFO L226 Difference]: Without dead ends: 908 [2024-10-14 09:15:23,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-14 09:15:23,164 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 296 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 09:15:23,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 721 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 09:15:23,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2024-10-14 09:15:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 755. [2024-10-14 09:15:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 650 states have (on average 1.5646153846153845) internal successors, (1017), 650 states have internal predecessors, (1017), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-14 09:15:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1215 transitions. [2024-10-14 09:15:23,211 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1215 transitions. Word has length 212 [2024-10-14 09:15:23,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:15:23,211 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1215 transitions. [2024-10-14 09:15:23,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1215 transitions. [2024-10-14 09:15:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 09:15:23,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:15:23,213 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:15:23,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 09:15:23,213 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:15:23,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:15:23,214 INFO L85 PathProgramCache]: Analyzing trace with hash -557777589, now seen corresponding path program 1 times [2024-10-14 09:15:23,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:15:23,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826291428] [2024-10-14 09:15:23,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:15:23,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:15:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:15:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:15:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:15:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:15:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:15:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:15:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:15:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:15:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:15:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:15:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:15:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:15:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:15:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:15:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:15:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:15:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:15:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:15:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:15:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:15:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:15:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:15:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:15:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:15:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:15:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:15:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:15:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:15:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:15:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:15:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:15:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:15:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:15:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:15:31,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:15:31,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826291428] [2024-10-14 09:15:31,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826291428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:15:31,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:15:31,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 09:15:31,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721076424] [2024-10-14 09:15:31,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:15:31,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 09:15:31,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:15:31,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 09:15:31,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-10-14 09:15:31,073 INFO L87 Difference]: Start difference. First operand 755 states and 1215 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:37,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:15:37,481 INFO L93 Difference]: Finished difference Result 1574 states and 2526 transitions. [2024-10-14 09:15:37,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 09:15:37,482 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-14 09:15:37,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:15:37,487 INFO L225 Difference]: With dead ends: 1574 [2024-10-14 09:15:37,487 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 09:15:37,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2024-10-14 09:15:37,489 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 453 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:15:37,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 956 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-14 09:15:37,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 09:15:37,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 817. [2024-10-14 09:15:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 712 states have (on average 1.577247191011236) internal successors, (1123), 712 states have internal predecessors, (1123), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-14 09:15:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1321 transitions. [2024-10-14 09:15:37,544 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1321 transitions. Word has length 212 [2024-10-14 09:15:37,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:15:37,545 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1321 transitions. [2024-10-14 09:15:37,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1321 transitions. [2024-10-14 09:15:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 09:15:37,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:15:37,547 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:15:37,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 09:15:37,548 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:15:37,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:15:37,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1250835253, now seen corresponding path program 1 times [2024-10-14 09:15:37,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:15:37,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370523310] [2024-10-14 09:15:37,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:15:37,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:15:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:15:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:15:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:15:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:15:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:15:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:15:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:15:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:15:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:15:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:15:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:15:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:15:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:15:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:15:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:15:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 09:15:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-14 09:15:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 09:15:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 09:15:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 09:15:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 09:15:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 09:15:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 09:15:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 09:15:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 09:15:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:15:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:15:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:15:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 09:15:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:15:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 09:15:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:15:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 09:15:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:15:41,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-14 09:15:41,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:15:41,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370523310] [2024-10-14 09:15:41,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370523310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:15:41,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:15:41,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 09:15:41,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539440349] [2024-10-14 09:15:41,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:15:41,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 09:15:41,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:15:41,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 09:15:41,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-14 09:15:41,847 INFO L87 Difference]: Start difference. First operand 817 states and 1321 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:44,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:15:44,265 INFO L93 Difference]: Finished difference Result 1865 states and 3004 transitions. [2024-10-14 09:15:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 09:15:44,266 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-14 09:15:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:15:44,271 INFO L225 Difference]: With dead ends: 1865 [2024-10-14 09:15:44,271 INFO L226 Difference]: Without dead ends: 1268 [2024-10-14 09:15:44,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-10-14 09:15:44,273 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 679 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 09:15:44,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1240 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 09:15:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2024-10-14 09:15:44,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 811. [2024-10-14 09:15:44,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 706 states have (on average 1.5623229461756374) internal successors, (1103), 706 states have internal predecessors, (1103), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-14 09:15:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1301 transitions. [2024-10-14 09:15:44,327 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1301 transitions. Word has length 212 [2024-10-14 09:15:44,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:15:44,327 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1301 transitions. [2024-10-14 09:15:44,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-14 09:15:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1301 transitions. [2024-10-14 09:15:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-14 09:15:44,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:15:44,328 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:15:44,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 09:15:44,329 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:15:44,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:15:44,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1837641267, now seen corresponding path program 1 times [2024-10-14 09:15:44,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:15:44,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648581338] [2024-10-14 09:15:44,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:15:44,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:15:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat