./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_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 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:32:46,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:32:46,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 02:32:46,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:32:46,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:32:46,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:32:46,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:32:46,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:32:46,726 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:32:46,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:32:46,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:32:46,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:32:46,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:32:46,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:32:46,729 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:32:46,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:32:46,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:32:46,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:32:46,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 02:32:46,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:32:46,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:32:46,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:32:46,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:32:46,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:32:46,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:32:46,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:32:46,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:32:46,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:32:46,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:32:46,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:32:46,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:32:46,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:32:46,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:32:46,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:32:46,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:32:46,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:32:46,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 02:32:46,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 02:32:46,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:32:46,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:32:46,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:32:46,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:32:46,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e [2024-11-20 02:32:46,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:32:47,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:32:47,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:32:47,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:32:47,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:32:47,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-11-20 02:32:48,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:32:48,677 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:32:48,677 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-11-20 02:32:48,687 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a7b3478a/0b632902fbf44603bd7bb648ee7aefcc/FLAG364621c9e [2024-11-20 02:32:48,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a7b3478a/0b632902fbf44603bd7bb648ee7aefcc [2024-11-20 02:32:48,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:32:48,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:32:48,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:32:48,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:32:48,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:32:48,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:32:48" (1/1) ... [2024-11-20 02:32:48,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161b655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:48, skipping insertion in model container [2024-11-20 02:32:48,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:32:48" (1/1) ... [2024-11-20 02:32:48,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:32:48,908 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_codestructure_normal_file-81.i[913,926] [2024-11-20 02:32:48,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:32:48,979 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:32:48,989 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_codestructure_normal_file-81.i[913,926] [2024-11-20 02:32:49,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:32:49,049 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:32:49,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49 WrapperNode [2024-11-20 02:32:49,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:32:49,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:32:49,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:32:49,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:32:49,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,113 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-11-20 02:32:49,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:32:49,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:32:49,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:32:49,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:32:49,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,163 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]. [2024-11-20 02:32:49,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:32:49,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:32:49,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:32:49,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:32:49,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (1/1) ... [2024-11-20 02:32:49,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:32:49,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:32:49,228 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) [2024-11-20 02:32:49,230 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 [2024-11-20 02:32:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:32:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:32:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:32:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 02:32:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:32:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:32:49,363 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:32:49,365 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:32:49,741 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-20 02:32:49,742 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:32:49,755 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:32:49,755 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:32:49,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:32:49 BoogieIcfgContainer [2024-11-20 02:32:49,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:32:49,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:32:49,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:32:49,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:32:49,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:32:48" (1/3) ... [2024-11-20 02:32:49,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294983ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:32:49, skipping insertion in model container [2024-11-20 02:32:49,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:32:49" (2/3) ... [2024-11-20 02:32:49,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294983ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:32:49, skipping insertion in model container [2024-11-20 02:32:49,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:32:49" (3/3) ... [2024-11-20 02:32:49,764 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-81.i [2024-11-20 02:32:49,776 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:32:49,776 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:32:49,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:32:49,843 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;@8937670, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:32:49,843 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:32:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 52 states have internal predecessors, (69), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 02:32:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-20 02:32:49,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:32:49,861 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:32:49,862 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:32:49,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:32:49,867 INFO L85 PathProgramCache]: Analyzing trace with hash -274866789, now seen corresponding path program 1 times [2024-11-20 02:32:49,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:32:49,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925270596] [2024-11-20 02:32:49,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:32:49,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:32:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:32:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:32:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:32:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:32:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:32:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:32:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:32:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:32:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:32:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:32:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:32:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:32:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:32:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:32:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:32:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:32:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:32:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:32:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:32:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:32:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:32:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:32:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:32:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:32:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:32:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:32:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:32:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:32:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:32:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:32:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:32:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:32:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:32:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:32:50,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:32:50,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925270596] [2024-11-20 02:32:50,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925270596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:32:50,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:32:50,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:32:50,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411691274] [2024-11-20 02:32:50,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:32:50,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 02:32:50,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:32:50,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 02:32:50,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:32:50,644 INFO L87 Difference]: Start difference. First operand has 86 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 52 states have internal predecessors, (69), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-20 02:32:50,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:32:50,688 INFO L93 Difference]: Finished difference Result 165 states and 292 transitions. [2024-11-20 02:32:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 02:32:50,691 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 196 [2024-11-20 02:32:50,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:32:50,702 INFO L225 Difference]: With dead ends: 165 [2024-11-20 02:32:50,702 INFO L226 Difference]: Without dead ends: 82 [2024-11-20 02:32:50,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:32:50,712 INFO L432 NwaCegarLoop]: 126 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, 126 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 [2024-11-20 02:32:50,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:32:50,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-20 02:32:50,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-20 02:32:50,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 48 states have internal predecessors, (62), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 02:32:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 126 transitions. [2024-11-20 02:32:50,766 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 126 transitions. Word has length 196 [2024-11-20 02:32:50,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:32:50,767 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 126 transitions. [2024-11-20 02:32:50,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-20 02:32:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2024-11-20 02:32:50,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-20 02:32:50,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:32:50,774 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:32:50,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 02:32:50,775 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:32:50,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:32:50,775 INFO L85 PathProgramCache]: Analyzing trace with hash -119824997, now seen corresponding path program 1 times [2024-11-20 02:32:50,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:32:50,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795702766] [2024-11-20 02:32:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:32:50,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:32:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:33:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:33:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:33:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:33:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:33:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:33:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:33:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:33:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:33:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:33:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:33:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:33:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:33:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:33:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:33:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:33:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:33:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:33:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:33:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:33:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:33:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:33:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:33:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:33:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:33:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:33:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:33:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:33:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:33:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:33:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:33:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:33:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:33:09,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:33:09,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795702766] [2024-11-20 02:33:09,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795702766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:33:09,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:33:09,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 02:33:09,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340470583] [2024-11-20 02:33:09,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:33:09,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 02:33:09,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:33:09,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 02:33:09,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:33:09,143 INFO L87 Difference]: Start difference. First operand 82 states and 126 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:10,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:33:10,113 INFO L93 Difference]: Finished difference Result 252 states and 376 transitions. [2024-11-20 02:33:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 02:33:10,115 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2024-11-20 02:33:10,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:33:10,121 INFO L225 Difference]: With dead ends: 252 [2024-11-20 02:33:10,121 INFO L226 Difference]: Without dead ends: 173 [2024-11-20 02:33:10,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-20 02:33:10,124 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 123 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 02:33:10,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 588 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 02:33:10,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-20 02:33:10,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 94. [2024-11-20 02:33:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 60 states have internal predecessors, (82), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 02:33:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 146 transitions. [2024-11-20 02:33:10,151 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 146 transitions. Word has length 196 [2024-11-20 02:33:10,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:33:10,153 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 146 transitions. [2024-11-20 02:33:10,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2024-11-20 02:33:10,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-20 02:33:10,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:33:10,158 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:33:10,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 02:33:10,159 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:33:10,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:33:10,159 INFO L85 PathProgramCache]: Analyzing trace with hash -706631011, now seen corresponding path program 1 times [2024-11-20 02:33:10,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:33:10,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632782626] [2024-11-20 02:33:10,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:33:10,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:33:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:33:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:33:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:33:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:33:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:33:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:33:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:33:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:33:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:33:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:33:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:33:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:33:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:33:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:33:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:33:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:33:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:33:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:33:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:33:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:33:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:33:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:33:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:33:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:33:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:33:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:33:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:33:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:33:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:33:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:33:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:33:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:33:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:33:20,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:33:20,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632782626] [2024-11-20 02:33:20,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632782626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:33:20,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:33:20,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 02:33:20,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277955949] [2024-11-20 02:33:20,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:33:20,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 02:33:20,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:33:20,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 02:33:20,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:33:20,255 INFO L87 Difference]: Start difference. First operand 94 states and 146 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:33:20,939 INFO L93 Difference]: Finished difference Result 275 states and 412 transitions. [2024-11-20 02:33:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 02:33:20,942 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2024-11-20 02:33:20,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:33:20,945 INFO L225 Difference]: With dead ends: 275 [2024-11-20 02:33:20,945 INFO L226 Difference]: Without dead ends: 184 [2024-11-20 02:33:20,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-20 02:33:20,951 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 218 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 02:33:20,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 410 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 02:33:20,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-20 02:33:20,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 127. [2024-11-20 02:33:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 86 states have (on average 1.372093023255814) internal successors, (118), 87 states have internal predecessors, (118), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 02:33:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 194 transitions. [2024-11-20 02:33:20,988 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 194 transitions. Word has length 196 [2024-11-20 02:33:20,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:33:20,989 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 194 transitions. [2024-11-20 02:33:20,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 194 transitions. [2024-11-20 02:33:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-20 02:33:20,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:33:20,996 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:33:20,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 02:33:20,997 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:33:20,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:33:20,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1399688675, now seen corresponding path program 1 times [2024-11-20 02:33:20,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:33:20,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000997202] [2024-11-20 02:33:20,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:33:21,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:33:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:33:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:33:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:33:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:33:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:33:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:33:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:33:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:33:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:33:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:33:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:33:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:33:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:33:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:33:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:33:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:33:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:33:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:33:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:33:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:33:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:33:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:33:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:33:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:33:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:33:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:33:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:33:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:33:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:33:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:33:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:33:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:33:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:33:21,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:33:21,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000997202] [2024-11-20 02:33:21,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000997202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:33:21,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:33:21,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 02:33:21,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117152021] [2024-11-20 02:33:21,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:33:21,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 02:33:21,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:33:21,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 02:33:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:33:21,366 INFO L87 Difference]: Start difference. First operand 127 states and 194 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:21,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:33:21,548 INFO L93 Difference]: Finished difference Result 345 states and 529 transitions. [2024-11-20 02:33:21,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:33:21,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 196 [2024-11-20 02:33:21,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:33:21,556 INFO L225 Difference]: With dead ends: 345 [2024-11-20 02:33:21,557 INFO L226 Difference]: Without dead ends: 221 [2024-11-20 02:33:21,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:33:21,562 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 66 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:33:21,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 341 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:33:21,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-20 02:33:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 219. [2024-11-20 02:33:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 138 states have (on average 1.3333333333333333) internal successors, (184), 140 states have internal predecessors, (184), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 02:33:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 336 transitions. [2024-11-20 02:33:21,625 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 336 transitions. Word has length 196 [2024-11-20 02:33:21,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:33:21,627 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 336 transitions. [2024-11-20 02:33:21,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 336 transitions. [2024-11-20 02:33:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 02:33:21,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:33:21,630 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:33:21,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 02:33:21,630 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:33:21,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:33:21,631 INFO L85 PathProgramCache]: Analyzing trace with hash 586902515, now seen corresponding path program 1 times [2024-11-20 02:33:21,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:33:21,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670077362] [2024-11-20 02:33:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:33:21,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:33:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:33:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:33:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:33:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:33:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:33:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:33:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:33:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:33:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:33:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:33:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:33:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:33:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:33:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:33:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:33:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:33:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:33:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:33:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:33:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:33:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:33:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:33:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:33:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:33:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:33:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:33:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:33:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:33:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:33:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:33:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:33:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:33:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:33:21,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:33:21,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670077362] [2024-11-20 02:33:21,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670077362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:33:21,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:33:21,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 02:33:21,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139012800] [2024-11-20 02:33:21,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:33:21,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 02:33:21,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:33:21,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 02:33:21,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:33:21,746 INFO L87 Difference]: Start difference. First operand 219 states and 336 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:21,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:33:21,818 INFO L93 Difference]: Finished difference Result 547 states and 834 transitions. [2024-11-20 02:33:21,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 02:33:21,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-20 02:33:21,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:33:21,824 INFO L225 Difference]: With dead ends: 547 [2024-11-20 02:33:21,825 INFO L226 Difference]: Without dead ends: 345 [2024-11-20 02:33:21,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:33:21,827 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 53 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:33:21,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 265 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:33:21,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-20 02:33:21,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 341. [2024-11-20 02:33:21,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 231 states have (on average 1.329004329004329) internal successors, (307), 236 states have internal predecessors, (307), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 02:33:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 511 transitions. [2024-11-20 02:33:21,898 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 511 transitions. Word has length 197 [2024-11-20 02:33:21,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:33:21,899 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 511 transitions. [2024-11-20 02:33:21,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 511 transitions. [2024-11-20 02:33:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 02:33:21,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:33:21,903 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:33:21,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 02:33:21,904 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:33:21,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:33:21,904 INFO L85 PathProgramCache]: Analyzing trace with hash -222444111, now seen corresponding path program 1 times [2024-11-20 02:33:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:33:21,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450373327] [2024-11-20 02:33:21,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:33:21,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:33:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:33:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:33:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:33:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:33:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:33:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:33:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:33:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:33:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:33:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:33:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:33:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:33:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:33:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:33:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:33:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:33:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:33:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:33:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:33:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:33:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:33:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:33:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:33:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:33:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:33:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:33:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:33:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:33:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:33:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:33:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:33:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:33:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:33:28,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:33:28,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450373327] [2024-11-20 02:33:28,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450373327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:33:28,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:33:28,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 02:33:28,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828109028] [2024-11-20 02:33:28,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:33:28,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 02:33:28,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:33:28,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 02:33:28,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 02:33:28,404 INFO L87 Difference]: Start difference. First operand 341 states and 511 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:28,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:33:28,936 INFO L93 Difference]: Finished difference Result 802 states and 1185 transitions. [2024-11-20 02:33:28,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 02:33:28,937 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-20 02:33:28,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:33:28,945 INFO L225 Difference]: With dead ends: 802 [2024-11-20 02:33:28,946 INFO L226 Difference]: Without dead ends: 478 [2024-11-20 02:33:28,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:33:28,948 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 149 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 02:33:28,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 457 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 02:33:28,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-20 02:33:29,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 372. [2024-11-20 02:33:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 262 states have (on average 1.3358778625954197) internal successors, (350), 267 states have internal predecessors, (350), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 02:33:29,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 554 transitions. [2024-11-20 02:33:29,011 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 554 transitions. Word has length 197 [2024-11-20 02:33:29,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:33:29,012 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 554 transitions. [2024-11-20 02:33:29,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:29,013 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 554 transitions. [2024-11-20 02:33:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 02:33:29,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:33:29,015 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:33:29,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 02:33:29,016 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:33:29,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:33:29,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1233561361, now seen corresponding path program 1 times [2024-11-20 02:33:29,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:33:29,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821623995] [2024-11-20 02:33:29,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:33:29,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:33:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:33:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:33:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:33:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:33:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:33:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:33:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:33:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:33:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:33:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:33:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:33:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:33:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:33:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:33:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:33:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:33:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:33:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:33:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:33:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:33:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:33:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:33:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:33:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:33:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:33:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:33:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:33:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:33:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:33:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:33:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:33:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:33:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:33:35,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:33:35,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821623995] [2024-11-20 02:33:35,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821623995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:33:35,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:33:35,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 02:33:35,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709968028] [2024-11-20 02:33:35,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:33:35,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 02:33:35,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:33:35,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 02:33:35,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 02:33:35,724 INFO L87 Difference]: Start difference. First operand 372 states and 554 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:36,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:33:36,429 INFO L93 Difference]: Finished difference Result 794 states and 1177 transitions. [2024-11-20 02:33:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 02:33:36,431 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-20 02:33:36,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:33:36,434 INFO L225 Difference]: With dead ends: 794 [2024-11-20 02:33:36,435 INFO L226 Difference]: Without dead ends: 439 [2024-11-20 02:33:36,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:33:36,439 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 56 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 02:33:36,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 433 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 02:33:36,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-20 02:33:36,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 369. [2024-11-20 02:33:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 259 states have (on average 1.3397683397683398) internal successors, (347), 264 states have internal predecessors, (347), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 02:33:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 551 transitions. [2024-11-20 02:33:36,500 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 551 transitions. Word has length 197 [2024-11-20 02:33:36,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:33:36,500 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 551 transitions. [2024-11-20 02:33:36,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:36,501 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 551 transitions. [2024-11-20 02:33:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 02:33:36,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:33:36,505 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:33:36,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 02:33:36,505 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:33:36,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:33:36,506 INFO L85 PathProgramCache]: Analyzing trace with hash -36197359, now seen corresponding path program 1 times [2024-11-20 02:33:36,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:33:36,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915337523] [2024-11-20 02:33:36,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:33:36,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:33:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:33:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:33:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:33:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:33:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:33:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:33:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:33:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:33:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:33:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:33:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:33:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:33:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:33:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:33:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:33:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:33:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:33:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:33:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:33:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:33:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:33:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:33:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:33:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:33:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:33:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:33:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:33:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:33:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:33:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:33:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:33:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:33:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:33:36,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:33:36,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915337523] [2024-11-20 02:33:36,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915337523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:33:36,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:33:36,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 02:33:36,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155322647] [2024-11-20 02:33:36,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:33:36,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 02:33:36,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:33:36,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 02:33:36,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:33:36,630 INFO L87 Difference]: Start difference. First operand 369 states and 551 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:36,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:33:36,698 INFO L93 Difference]: Finished difference Result 734 states and 1092 transitions. [2024-11-20 02:33:36,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 02:33:36,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-20 02:33:36,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:33:36,702 INFO L225 Difference]: With dead ends: 734 [2024-11-20 02:33:36,703 INFO L226 Difference]: Without dead ends: 382 [2024-11-20 02:33:36,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:33:36,705 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 60 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:33:36,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 254 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:33:36,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-20 02:33:36,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 288. [2024-11-20 02:33:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 205 states have (on average 1.351219512195122) internal successors, (277), 207 states have internal predecessors, (277), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 02:33:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 429 transitions. [2024-11-20 02:33:36,747 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 429 transitions. Word has length 197 [2024-11-20 02:33:36,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:33:36,749 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 429 transitions. [2024-11-20 02:33:36,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 429 transitions. [2024-11-20 02:33:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 02:33:36,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:33:36,752 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:33:36,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 02:33:36,752 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:33:36,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:33:36,753 INFO L85 PathProgramCache]: Analyzing trace with hash 221968079, now seen corresponding path program 1 times [2024-11-20 02:33:36,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:33:36,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179927788] [2024-11-20 02:33:36,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:33:36,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:33:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:33:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:33:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:33:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:33:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:33:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:33:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:33:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:33:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:33:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:33:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:33:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:42,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:33:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:33:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:33:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:33:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:33:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:33:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:33:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:33:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:33:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:33:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:33:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:33:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:33:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:33:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:33:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:33:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:33:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:33:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:33:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:33:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:33:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:33:43,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:33:43,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179927788] [2024-11-20 02:33:43,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179927788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:33:43,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:33:43,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 02:33:43,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347630790] [2024-11-20 02:33:43,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:33:43,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 02:33:43,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:33:43,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 02:33:43,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:33:43,034 INFO L87 Difference]: Start difference. First operand 288 states and 429 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:43,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:33:43,442 INFO L93 Difference]: Finished difference Result 610 states and 887 transitions. [2024-11-20 02:33:43,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 02:33:43,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-20 02:33:43,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:33:43,446 INFO L225 Difference]: With dead ends: 610 [2024-11-20 02:33:43,447 INFO L226 Difference]: Without dead ends: 444 [2024-11-20 02:33:43,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:33:43,448 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 169 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 02:33:43,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 349 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 02:33:43,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-20 02:33:43,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 294. [2024-11-20 02:33:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 211 states have (on average 1.3554502369668247) internal successors, (286), 213 states have internal predecessors, (286), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 02:33:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 438 transitions. [2024-11-20 02:33:43,487 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 438 transitions. Word has length 197 [2024-11-20 02:33:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:33:43,488 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 438 transitions. [2024-11-20 02:33:43,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:43,489 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 438 transitions. [2024-11-20 02:33:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 02:33:43,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:33:43,491 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:33:43,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 02:33:43,492 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:33:43,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:33:43,492 INFO L85 PathProgramCache]: Analyzing trace with hash -364837935, now seen corresponding path program 1 times [2024-11-20 02:33:43,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:33:43,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292536612] [2024-11-20 02:33:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:33:43,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:33:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:33:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:33:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:33:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:33:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:33:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:33:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:33:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:33:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:33:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:33:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:33:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:33:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:33:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:33:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:33:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:33:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:33:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:33:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:33:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:33:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:33:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:33:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:33:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:33:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:33:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:33:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:33:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:33:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:33:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:33:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:33:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:33:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:33:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-20 02:33:49,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:33:49,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292536612] [2024-11-20 02:33:49,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292536612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:33:49,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:33:49,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 02:33:49,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555084425] [2024-11-20 02:33:49,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:33:49,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 02:33:49,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:33:49,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 02:33:49,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:33:49,031 INFO L87 Difference]: Start difference. First operand 294 states and 438 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:49,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:33:49,553 INFO L93 Difference]: Finished difference Result 510 states and 751 transitions. [2024-11-20 02:33:49,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 02:33:49,554 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 197 [2024-11-20 02:33:49,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:33:49,557 INFO L225 Difference]: With dead ends: 510 [2024-11-20 02:33:49,557 INFO L226 Difference]: Without dead ends: 338 [2024-11-20 02:33:49,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:33:49,559 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 162 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 02:33:49,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 477 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 02:33:49,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-20 02:33:49,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 290. [2024-11-20 02:33:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 207 states have (on average 1.3526570048309179) internal successors, (280), 209 states have internal predecessors, (280), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 02:33:49,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 432 transitions. [2024-11-20 02:33:49,597 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 432 transitions. Word has length 197 [2024-11-20 02:33:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:33:49,598 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 432 transitions. [2024-11-20 02:33:49,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-20 02:33:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 432 transitions. [2024-11-20 02:33:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 02:33:49,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:33:49,600 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:33:49,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 02:33:49,600 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:33:49,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:33:49,601 INFO L85 PathProgramCache]: Analyzing trace with hash -21856618, now seen corresponding path program 1 times [2024-11-20 02:33:49,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:33:49,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3974236] [2024-11-20 02:33:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:33:49,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:33:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat