./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.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 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:31:55,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:31:55,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:31:55,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:31:55,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:31:55,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:31:55,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:31:55,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:31:55,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:31:55,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:31:55,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:31:55,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:31:55,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:31:55,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:31:55,778 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:31:55,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:31:55,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:31:55,779 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:31:55,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:31:55,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:31:55,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:31:55,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:31:55,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:31:55,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:31:55,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:31:55,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:31:55,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:31:55,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:31:55,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:31:55,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:31:55,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:31:55,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:31:55,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:31:55,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:31:55,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:31:55,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:31:55,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:31:55,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:31:55,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:31:55,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:31:55,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:31:55,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:31:55,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 [2024-11-12 04:31:56,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:31:56,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:31:56,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:31:56,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:31:56,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:31:56,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-12 04:31:57,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:31:57,748 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:31:57,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-12 04:31:57,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/624f5c24c/b3b51e13acfe45d9abbcca44f555f150/FLAG4c3714843 [2024-11-12 04:31:57,769 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/624f5c24c/b3b51e13acfe45d9abbcca44f555f150 [2024-11-12 04:31:57,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:31:57,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:31:57,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:31:57,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:31:57,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:31:57,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:31:57" (1/1) ... [2024-11-12 04:31:57,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5e2539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:57, skipping insertion in model container [2024-11-12 04:31:57,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:31:57" (1/1) ... [2024-11-12 04:31:57,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:31:57,968 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i[913,926] [2024-11-12 04:31:58,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:31:58,041 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:31:58,052 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i[913,926] [2024-11-12 04:31:58,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:31:58,111 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:31:58,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58 WrapperNode [2024-11-12 04:31:58,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:31:58,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:31:58,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:31:58,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:31:58,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,180 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-12 04:31:58,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:31:58,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:31:58,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:31:58,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:31:58,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,256 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]. [2024-11-12 04:31:58,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:31:58,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:31:58,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:31:58,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:31:58,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (1/1) ... [2024-11-12 04:31:58,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:31:58,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:31:58,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 04:31:58,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 04:31:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:31:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:31:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:31:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:31:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:31:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:31:58,533 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:31:58,534 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:31:58,933 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 04:31:58,933 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:31:58,955 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:31:58,956 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:31:58,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:31:58 BoogieIcfgContainer [2024-11-12 04:31:58,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:31:58,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:31:58,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:31:58,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:31:58,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:31:57" (1/3) ... [2024-11-12 04:31:58,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a47b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:31:58, skipping insertion in model container [2024-11-12 04:31:58,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:31:58" (2/3) ... [2024-11-12 04:31:58,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a47b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:31:58, skipping insertion in model container [2024-11-12 04:31:58,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:31:58" (3/3) ... [2024-11-12 04:31:58,967 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-12 04:31:58,985 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:31:58,986 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:31:59,060 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:31:59,066 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;@762d8efb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:31:59,067 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:31:59,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 04:31:59,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 04:31:59,083 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:31:59,084 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:31:59,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:31:59,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:31:59,090 INFO L85 PathProgramCache]: Analyzing trace with hash 409085708, now seen corresponding path program 1 times [2024-11-12 04:31:59,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:31:59,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477301201] [2024-11-12 04:31:59,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:31:59,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:31:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:31:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:31:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:31:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:31:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:31:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:31:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:31:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:31:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:31:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:31:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:31:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:31:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:31:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:31:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:31:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:31:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:31:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:31:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:31:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:31:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:31:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:31:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:31:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:31:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:31:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:31:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:31:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:31:59,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:31:59,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477301201] [2024-11-12 04:31:59,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477301201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:31:59,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:31:59,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:31:59,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824709144] [2024-11-12 04:31:59,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:31:59,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:31:59,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:31:59,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:31:59,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:31:59,722 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 04:31:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:31:59,752 INFO L93 Difference]: Finished difference Result 147 states and 256 transitions. [2024-11-12 04:31:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:31:59,754 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-11-12 04:31:59,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:31:59,764 INFO L225 Difference]: With dead ends: 147 [2024-11-12 04:31:59,765 INFO L226 Difference]: Without dead ends: 73 [2024-11-12 04:31:59,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:31:59,774 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:31:59,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:31:59,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-12 04:31:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-12 04:31:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 04:31:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2024-11-12 04:31:59,827 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 163 [2024-11-12 04:31:59,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:31:59,829 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2024-11-12 04:31:59,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 04:31:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2024-11-12 04:31:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 04:31:59,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:31:59,835 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:31:59,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:31:59,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:31:59,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:31:59,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1193130060, now seen corresponding path program 1 times [2024-11-12 04:31:59,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:31:59,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59314600] [2024-11-12 04:31:59,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:31:59,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:32:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:32:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:32:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:32:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:32:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:32:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:32:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:32:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:32:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:32:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:32:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:32:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:32:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:32:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:32:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:32:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:32:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:32:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:32:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:32:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:32:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:32:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:32:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:32:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:32:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:32:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:32:14,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:32:14,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59314600] [2024-11-12 04:32:14,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59314600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:32:14,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:32:14,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 04:32:14,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450314345] [2024-11-12 04:32:14,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:32:14,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 04:32:14,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:32:14,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 04:32:14,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 04:32:14,546 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:17,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:32:17,593 INFO L93 Difference]: Finished difference Result 321 states and 480 transitions. [2024-11-12 04:32:17,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 04:32:17,594 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 04:32:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:32:17,599 INFO L225 Difference]: With dead ends: 321 [2024-11-12 04:32:17,599 INFO L226 Difference]: Without dead ends: 251 [2024-11-12 04:32:17,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 04:32:17,602 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 651 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:32:17,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 526 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 04:32:17,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-12 04:32:17,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 132. [2024-11-12 04:32:17,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2857142857142858) internal successors, (99), 77 states have internal predecessors, (99), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 04:32:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 203 transitions. [2024-11-12 04:32:17,654 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 203 transitions. Word has length 163 [2024-11-12 04:32:17,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:32:17,655 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 203 transitions. [2024-11-12 04:32:17,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2024-11-12 04:32:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 04:32:17,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:32:17,660 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:32:17,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:32:17,661 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:32:17,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:32:17,661 INFO L85 PathProgramCache]: Analyzing trace with hash 800103050, now seen corresponding path program 1 times [2024-11-12 04:32:17,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:32:17,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303334367] [2024-11-12 04:32:17,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:32:17,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:32:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:32:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:32:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:32:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:32:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:32:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:32:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:32:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:32:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:32:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:32:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:32:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:32:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:32:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:32:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:32:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:32:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:32:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:32:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:32:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:32:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:32:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:32:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:32:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:32:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:32:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:17,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:32:17,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:32:17,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303334367] [2024-11-12 04:32:17,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303334367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:32:17,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:32:17,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:32:17,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886129145] [2024-11-12 04:32:17,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:32:17,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:32:17,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:32:17,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:32:17,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:32:17,923 INFO L87 Difference]: Start difference. First operand 132 states and 203 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:17,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:32:17,989 INFO L93 Difference]: Finished difference Result 237 states and 360 transitions. [2024-11-12 04:32:17,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:32:17,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 04:32:17,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:32:17,992 INFO L225 Difference]: With dead ends: 237 [2024-11-12 04:32:17,992 INFO L226 Difference]: Without dead ends: 167 [2024-11-12 04:32:17,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:32:17,995 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 42 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:32:17,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 324 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:32:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-12 04:32:18,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-12 04:32:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 04:32:18,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-12 04:32:18,017 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-12 04:32:18,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:32:18,018 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-12 04:32:18,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-12 04:32:18,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 04:32:18,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:32:18,021 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:32:18,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:32:18,021 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:32:18,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:32:18,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1894194638, now seen corresponding path program 1 times [2024-11-12 04:32:18,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:32:18,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539663625] [2024-11-12 04:32:18,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:32:18,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:32:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:32:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:32:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:32:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:32:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:32:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:32:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:32:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:32:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:32:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:32:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:32:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:32:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:32:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:32:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:32:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:32:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:32:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:32:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:32:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:32:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:32:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:32:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:32:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:32:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:32:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:32:25,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:32:25,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539663625] [2024-11-12 04:32:25,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539663625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:32:25,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:32:25,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 04:32:25,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565289127] [2024-11-12 04:32:25,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:32:25,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 04:32:25,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:32:25,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 04:32:25,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 04:32:25,155 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:27,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:32:27,981 INFO L93 Difference]: Finished difference Result 372 states and 546 transitions. [2024-11-12 04:32:27,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 04:32:27,982 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 04:32:27,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:32:27,988 INFO L225 Difference]: With dead ends: 372 [2024-11-12 04:32:27,988 INFO L226 Difference]: Without dead ends: 270 [2024-11-12 04:32:27,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 04:32:27,992 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 418 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:32:27,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 521 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 04:32:27,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-12 04:32:28,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 164. [2024-11-12 04:32:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 04:32:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-12 04:32:28,033 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-12 04:32:28,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:32:28,034 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-12 04:32:28,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-12 04:32:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 04:32:28,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:32:28,041 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:32:28,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 04:32:28,041 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:32:28,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:32:28,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1451295498, now seen corresponding path program 1 times [2024-11-12 04:32:28,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:32:28,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934698298] [2024-11-12 04:32:28,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:32:28,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:32:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:32:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:32:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:32:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:32:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:32:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:32:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:32:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:32:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:32:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:32:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:32:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:32:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:32:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:32:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:32:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:32:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:32:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:32:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:32:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:32:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:32:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:32:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:32:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:32:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:32:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:32:28,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:32:28,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934698298] [2024-11-12 04:32:28,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934698298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:32:28,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:32:28,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 04:32:28,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543138024] [2024-11-12 04:32:28,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:32:28,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 04:32:28,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:32:28,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 04:32:28,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 04:32:28,669 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:29,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:32:29,105 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2024-11-12 04:32:29,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 04:32:29,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 04:32:29,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:32:29,108 INFO L225 Difference]: With dead ends: 312 [2024-11-12 04:32:29,108 INFO L226 Difference]: Without dead ends: 210 [2024-11-12 04:32:29,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-12 04:32:29,110 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 101 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:32:29,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 439 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 04:32:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-12 04:32:29,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 170. [2024-11-12 04:32:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.290909090909091) internal successors, (142), 111 states have internal predecessors, (142), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 04:32:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-12 04:32:29,132 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 163 [2024-11-12 04:32:29,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:32:29,134 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-12 04:32:29,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:29,134 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-12 04:32:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 04:32:29,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:32:29,136 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:32:29,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 04:32:29,136 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:32:29,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:32:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash 182012810, now seen corresponding path program 1 times [2024-11-12 04:32:29,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:32:29,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754803231] [2024-11-12 04:32:29,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:32:29,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:32:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:32:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:32:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:32:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:32:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:32:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:32:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:32:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:32:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:32:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:32:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:32:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:32:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:32:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:32:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:32:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:32:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:32:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:32:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:32:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:32:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:32:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:32:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:32:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:32:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:32:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:32:35,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:32:35,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754803231] [2024-11-12 04:32:35,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754803231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:32:35,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:32:35,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 04:32:35,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146052229] [2024-11-12 04:32:35,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:32:35,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 04:32:35,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:32:35,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 04:32:35,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 04:32:35,291 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:36,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:32:36,679 INFO L93 Difference]: Finished difference Result 341 states and 498 transitions. [2024-11-12 04:32:36,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 04:32:36,680 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 04:32:36,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:32:36,682 INFO L225 Difference]: With dead ends: 341 [2024-11-12 04:32:36,682 INFO L226 Difference]: Without dead ends: 239 [2024-11-12 04:32:36,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 04:32:36,684 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 144 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 04:32:36,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 514 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 04:32:36,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-12 04:32:36,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 171. [2024-11-12 04:32:36,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 111 states have (on average 1.2972972972972974) internal successors, (144), 112 states have internal predecessors, (144), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 04:32:36,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 256 transitions. [2024-11-12 04:32:36,709 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 256 transitions. Word has length 163 [2024-11-12 04:32:36,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:32:36,710 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 256 transitions. [2024-11-12 04:32:36,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:36,710 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2024-11-12 04:32:36,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-12 04:32:36,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:32:36,712 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:32:36,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 04:32:36,712 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:32:36,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:32:36,713 INFO L85 PathProgramCache]: Analyzing trace with hash 883077388, now seen corresponding path program 1 times [2024-11-12 04:32:36,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:32:36,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587504126] [2024-11-12 04:32:36,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:32:36,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:32:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:32:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:32:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:32:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:32:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:32:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:32:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:32:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:32:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:32:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:32:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:32:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:32:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:32:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:32:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:32:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:32:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:32:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:32:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:32:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:32:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:32:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:32:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:32:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:32:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:32:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:32:42,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:32:42,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587504126] [2024-11-12 04:32:42,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587504126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:32:42,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:32:42,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 04:32:42,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119601560] [2024-11-12 04:32:42,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:32:42,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 04:32:42,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:32:42,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 04:32:42,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 04:32:42,886 INFO L87 Difference]: Start difference. First operand 171 states and 256 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:44,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:32:44,215 INFO L93 Difference]: Finished difference Result 322 states and 474 transitions. [2024-11-12 04:32:44,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 04:32:44,216 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-12 04:32:44,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:32:44,217 INFO L225 Difference]: With dead ends: 322 [2024-11-12 04:32:44,218 INFO L226 Difference]: Without dead ends: 210 [2024-11-12 04:32:44,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 04:32:44,219 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 177 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 04:32:44,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 399 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 04:32:44,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-12 04:32:44,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 168. [2024-11-12 04:32:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 109 states have internal predecessors, (140), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 04:32:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 252 transitions. [2024-11-12 04:32:44,250 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 252 transitions. Word has length 163 [2024-11-12 04:32:44,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:32:44,254 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 252 transitions. [2024-11-12 04:32:44,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 252 transitions. [2024-11-12 04:32:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 04:32:44,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:32:44,256 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:32:44,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 04:32:44,256 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:32:44,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:32:44,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1839498733, now seen corresponding path program 1 times [2024-11-12 04:32:44,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:32:44,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957294538] [2024-11-12 04:32:44,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:32:44,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:32:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:32:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:32:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:32:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:32:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:32:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:32:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:32:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:32:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:32:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:32:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:32:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:32:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:32:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:32:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:32:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:32:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:32:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:32:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:32:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:32:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:32:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:32:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:32:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:32:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:32:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:32:44,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:32:44,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957294538] [2024-11-12 04:32:44,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957294538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:32:44,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:32:44,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:32:44,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503842707] [2024-11-12 04:32:44,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:32:44,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:32:44,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:32:44,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:32:44,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:32:44,495 INFO L87 Difference]: Start difference. First operand 168 states and 252 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:32:44,567 INFO L93 Difference]: Finished difference Result 306 states and 450 transitions. [2024-11-12 04:32:44,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:32:44,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 04:32:44,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:32:44,570 INFO L225 Difference]: With dead ends: 306 [2024-11-12 04:32:44,570 INFO L226 Difference]: Without dead ends: 194 [2024-11-12 04:32:44,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:32:44,572 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 62 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:32:44,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 317 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:32:44,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-12 04:32:44,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 163. [2024-11-12 04:32:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 106 states have internal predecessors, (137), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 04:32:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2024-11-12 04:32:44,592 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 164 [2024-11-12 04:32:44,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:32:44,592 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2024-11-12 04:32:44,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2024-11-12 04:32:44,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 04:32:44,595 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:32:44,595 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:32:44,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 04:32:44,595 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:32:44,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:32:44,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2062441553, now seen corresponding path program 1 times [2024-11-12 04:32:44,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:32:44,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114568496] [2024-11-12 04:32:44,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:32:44,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:32:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:32:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:32:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:32:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:32:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:32:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:32:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:32:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:32:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:32:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:32:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:32:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:32:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:32:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:32:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:32:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:32:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:32:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:32:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:32:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:32:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:32:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:32:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:32:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:32:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:32:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:32:50,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:32:50,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114568496] [2024-11-12 04:32:50,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114568496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:32:50,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:32:50,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 04:32:50,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595557247] [2024-11-12 04:32:50,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:32:50,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 04:32:50,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:32:50,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 04:32:50,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-12 04:32:50,399 INFO L87 Difference]: Start difference. First operand 163 states and 241 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:51,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:32:51,996 INFO L93 Difference]: Finished difference Result 341 states and 496 transitions. [2024-11-12 04:32:51,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 04:32:51,997 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 04:32:51,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:32:51,999 INFO L225 Difference]: With dead ends: 341 [2024-11-12 04:32:51,999 INFO L226 Difference]: Without dead ends: 241 [2024-11-12 04:32:52,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-12 04:32:52,000 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 170 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 04:32:52,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 518 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 04:32:52,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-12 04:32:52,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 171. [2024-11-12 04:32:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 04:32:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-12 04:32:52,020 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-12 04:32:52,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:32:52,020 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-12 04:32:52,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:32:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-12 04:32:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 04:32:52,022 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:32:52,022 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:32:52,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 04:32:52,023 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:32:52,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:32:52,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1531461165, now seen corresponding path program 1 times [2024-11-12 04:32:52,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:32:52,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945179532] [2024-11-12 04:32:52,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:32:52,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:32:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:32:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:32:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:32:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:32:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:32:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:32:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:32:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:32:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:32:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:32:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:32:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:32:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:32:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:32:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:32:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:32:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:32:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:32:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:32:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:32:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:32:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:32:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:32:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:32:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:32:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:32:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:32:57,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:32:57,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945179532] [2024-11-12 04:32:57,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945179532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:32:57,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:32:57,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 04:32:57,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671086799] [2024-11-12 04:32:57,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:32:57,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 04:32:57,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:32:57,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 04:32:57,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-12 04:32:57,698 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 04:32:59,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:32:59,500 INFO L93 Difference]: Finished difference Result 362 states and 524 transitions. [2024-11-12 04:32:59,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 04:32:59,502 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-12 04:32:59,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:32:59,505 INFO L225 Difference]: With dead ends: 362 [2024-11-12 04:32:59,505 INFO L226 Difference]: Without dead ends: 262 [2024-11-12 04:32:59,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-12 04:32:59,509 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 278 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 04:32:59,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 575 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 04:32:59,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-12 04:32:59,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 174. [2024-11-12 04:32:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 117 states have (on average 1.3076923076923077) internal successors, (153), 117 states have internal predecessors, (153), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 04:32:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 257 transitions. [2024-11-12 04:32:59,527 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 257 transitions. Word has length 164 [2024-11-12 04:32:59,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:32:59,528 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 257 transitions. [2024-11-12 04:32:59,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-12 04:32:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2024-11-12 04:32:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 04:32:59,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:32:59,530 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:32:59,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 04:32:59,531 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:32:59,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:32:59,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1752388881, now seen corresponding path program 1 times [2024-11-12 04:32:59,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:32:59,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046765171] [2024-11-12 04:32:59,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:32:59,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:32:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:33:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:33:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:33:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:33:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:33:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:33:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:33:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:33:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:33:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:33:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:33:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:33:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:33:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:33:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:33:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:33:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:33:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:33:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:33:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:33:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:33:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:33:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:33:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:33:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:33:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:33:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:33:03,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:33:03,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046765171] [2024-11-12 04:33:03,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046765171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:33:03,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:33:03,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 04:33:03,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274485342] [2024-11-12 04:33:03,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:33:03,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 04:33:03,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:33:03,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 04:33:03,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 04:33:03,839 INFO L87 Difference]: Start difference. First operand 174 states and 257 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:33:04,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:33:04,714 INFO L93 Difference]: Finished difference Result 316 states and 461 transitions. [2024-11-12 04:33:04,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 04:33:04,715 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 04:33:04,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:33:04,716 INFO L225 Difference]: With dead ends: 316 [2024-11-12 04:33:04,716 INFO L226 Difference]: Without dead ends: 216 [2024-11-12 04:33:04,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 04:33:04,718 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 115 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 04:33:04,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 504 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 04:33:04,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-12 04:33:04,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 171. [2024-11-12 04:33:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 04:33:04,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-12 04:33:04,737 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-12 04:33:04,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:33:04,738 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-12 04:33:04,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:33:04,738 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-12 04:33:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 04:33:04,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:33:04,740 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:33:04,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 04:33:04,740 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:33:04,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:33:04,741 INFO L85 PathProgramCache]: Analyzing trace with hash -559635055, now seen corresponding path program 1 times [2024-11-12 04:33:04,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:33:04,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82486699] [2024-11-12 04:33:04,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:33:04,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:33:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:33:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:33:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:33:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:33:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:33:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:33:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:33:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:33:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:33:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:33:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:33:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:33:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:33:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:33:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:33:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:33:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:33:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:33:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:33:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:33:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:33:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:33:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:33:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:33:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:33:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:33:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:33:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-12 04:33:08,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:33:08,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82486699] [2024-11-12 04:33:08,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82486699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:33:08,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:33:08,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 04:33:08,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116408495] [2024-11-12 04:33:08,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:33:08,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 04:33:08,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:33:08,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 04:33:08,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 04:33:08,564 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:33:09,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:33:09,906 INFO L93 Difference]: Finished difference Result 426 states and 613 transitions. [2024-11-12 04:33:09,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 04:33:09,907 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-12 04:33:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:33:09,910 INFO L225 Difference]: With dead ends: 426 [2024-11-12 04:33:09,910 INFO L226 Difference]: Without dead ends: 318 [2024-11-12 04:33:09,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-12 04:33:09,911 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 443 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 04:33:09,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 575 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 04:33:09,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-12 04:33:09,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2024-11-12 04:33:09,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-12 04:33:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 259 transitions. [2024-11-12 04:33:09,930 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 259 transitions. Word has length 164 [2024-11-12 04:33:09,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:33:09,930 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 259 transitions. [2024-11-12 04:33:09,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-12 04:33:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 259 transitions. [2024-11-12 04:33:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-12 04:33:09,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:33:09,932 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:33:09,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 04:33:09,933 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:33:09,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:33:09,933 INFO L85 PathProgramCache]: Analyzing trace with hash -952662065, now seen corresponding path program 1 times [2024-11-12 04:33:09,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:33:09,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331306084] [2024-11-12 04:33:09,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:33:09,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:33:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat