./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_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.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:19:22,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:19:22,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:19:22,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:19:22,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:19:22,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:19:22,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:19:22,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:19:22,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:19:22,865 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:19:22,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:19:22,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:19:22,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:19:22,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:19:22,867 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:19:22,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:19:22,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:19:22,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:19:22,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:19:22,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:19:22,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:19:22,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:19:22,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:19:22,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:19:22,874 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:19:22,874 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:19:22,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:19:22,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:19:22,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:19:22,875 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:19:22,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:19:22,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:19:22,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:19:22,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:19:22,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:19:22,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:19:22,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:19:22,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:19:22,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:19:22,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:19:22,879 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:19:22,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:19:22,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e [2024-11-12 01:19:23,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:19:23,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:19:23,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:19:23,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:19:23,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:19:23,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-11-12 01:19:24,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:19:24,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:19:24,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-11-12 01:19:24,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e8ccbcd/9e91da8baafa4c599190e0b2e1469b9e/FLAGbdb0513a9 [2024-11-12 01:19:24,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7e8ccbcd/9e91da8baafa4c599190e0b2e1469b9e [2024-11-12 01:19:24,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:19:24,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:19:24,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:19:24,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:19:24,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:19:24,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:19:24" (1/1) ... [2024-11-12 01:19:24,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf6c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:24, skipping insertion in model container [2024-11-12 01:19:24,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:19:24" (1/1) ... [2024-11-12 01:19:24,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:19:25,128 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] [2024-11-12 01:19:25,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:19:25,207 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:19:25,220 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] [2024-11-12 01:19:25,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:19:25,269 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:19:25,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25 WrapperNode [2024-11-12 01:19:25,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:19:25,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:19:25,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:19:25,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:19:25,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,349 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-11-12 01:19:25,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:19:25,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:19:25,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:19:25,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:19:25,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,400 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 01:19:25,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:19:25,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:19:25,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:19:25,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:19:25,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (1/1) ... [2024-11-12 01:19:25,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:19:25,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:19:25,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 01:19:25,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 01:19:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:19:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:19:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:19:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:19:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:19:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:19:25,588 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:19:25,590 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:19:26,001 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-12 01:19:26,002 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:19:26,015 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:19:26,015 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:19:26,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:19:26 BoogieIcfgContainer [2024-11-12 01:19:26,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:19:26,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:19:26,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:19:26,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:19:26,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:19:24" (1/3) ... [2024-11-12 01:19:26,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674691e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:19:26, skipping insertion in model container [2024-11-12 01:19:26,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:19:25" (2/3) ... [2024-11-12 01:19:26,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674691e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:19:26, skipping insertion in model container [2024-11-12 01:19:26,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:19:26" (3/3) ... [2024-11-12 01:19:26,027 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-81.i [2024-11-12 01:19:26,044 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:19:26,044 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:19:26,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:19:26,106 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;@3d5ea184, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:19:26,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:19:26,110 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) [2024-11-12 01:19:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-12 01:19:26,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:19:26,128 INFO L218 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] [2024-11-12 01:19:26,128 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:19:26,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:19:26,134 INFO L85 PathProgramCache]: Analyzing trace with hash -274866789, now seen corresponding path program 1 times [2024-11-12 01:19:26,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:19:26,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124315105] [2024-11-12 01:19:26,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:19:26,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:19:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:19:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:19:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:19:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:19:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:19:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:19:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:19:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:19:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:19:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:19:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:19:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:19:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:19:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:19:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:19:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:19:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:19:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:19:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:19:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:19:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:19:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:19:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:19:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:19:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:19:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:19:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:19:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:19:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:19:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:19:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:19:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:19:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:26,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:19:26,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:19:26,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124315105] [2024-11-12 01:19:26,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124315105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:19:26,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:19:26,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:19:26,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806197223] [2024-11-12 01:19:26,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:19:26,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:19:26,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:19:26,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:19:26,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:19:26,764 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) [2024-11-12 01:19:26,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:19:26,808 INFO L93 Difference]: Finished difference Result 165 states and 292 transitions. [2024-11-12 01:19:26,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:19:26,811 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 [2024-11-12 01:19:26,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:19:26,822 INFO L225 Difference]: With dead ends: 165 [2024-11-12 01:19:26,822 INFO L226 Difference]: Without dead ends: 82 [2024-11-12 01:19:26,829 INFO L434 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 [2024-11-12 01:19:26,832 INFO L435 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 [2024-11-12 01:19:26,833 INFO L436 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] [2024-11-12 01:19:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-12 01:19:26,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-12 01:19:26,877 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) [2024-11-12 01:19:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 126 transitions. [2024-11-12 01:19:26,881 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 126 transitions. Word has length 196 [2024-11-12 01:19:26,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:19:26,882 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 126 transitions. [2024-11-12 01:19:26,882 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) [2024-11-12 01:19:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2024-11-12 01:19:26,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-12 01:19:26,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:19:26,887 INFO L218 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] [2024-11-12 01:19:26,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:19:26,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:19:26,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:19:26,891 INFO L85 PathProgramCache]: Analyzing trace with hash -119824997, now seen corresponding path program 1 times [2024-11-12 01:19:26,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:19:26,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629013896] [2024-11-12 01:19:26,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:19:26,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:19:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:19:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:19:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:19:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:19:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:19:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:19:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:19:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:19:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:19:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:19:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:19:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:19:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:19:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:19:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:19:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:19:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:19:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:19:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:19:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:19:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:19:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:19:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:19:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:19:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:19:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:19:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:19:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:19:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:19:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:19:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:19:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:43,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:19:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:19:44,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:19:44,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629013896] [2024-11-12 01:19:44,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629013896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:19:44,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:19:44,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:19:44,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607718426] [2024-11-12 01:19:44,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:19:44,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:19:44,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:19:44,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:19:44,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:19:44,012 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) [2024-11-12 01:19:44,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:19:44,954 INFO L93 Difference]: Finished difference Result 252 states and 376 transitions. [2024-11-12 01:19:44,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:19:44,956 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 [2024-11-12 01:19:44,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:19:44,963 INFO L225 Difference]: With dead ends: 252 [2024-11-12 01:19:44,963 INFO L226 Difference]: Without dead ends: 173 [2024-11-12 01:19:44,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:19:44,966 INFO L435 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 [2024-11-12 01:19:44,966 INFO L436 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] [2024-11-12 01:19:44,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-12 01:19:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 94. [2024-11-12 01:19:44,982 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) [2024-11-12 01:19:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 146 transitions. [2024-11-12 01:19:44,984 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 146 transitions. Word has length 196 [2024-11-12 01:19:44,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:19:44,986 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 146 transitions. [2024-11-12 01:19:44,986 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) [2024-11-12 01:19:44,987 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2024-11-12 01:19:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-12 01:19:44,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:19:44,990 INFO L218 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] [2024-11-12 01:19:44,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:19:44,990 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:19:44,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:19:44,991 INFO L85 PathProgramCache]: Analyzing trace with hash -706631011, now seen corresponding path program 1 times [2024-11-12 01:19:44,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:19:44,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454692849] [2024-11-12 01:19:44,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:19:44,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:19:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:19:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:19:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:19:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:19:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:19:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:19:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:19:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:19:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:19:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:19:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:19:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:19:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:19:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:19:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:19:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:19:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:19:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:19:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:19:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:19:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:19:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:19:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:19:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:19:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:19:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:19:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:19:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:19:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:19:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:19:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:19:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:19:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:19:54,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:19:54,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454692849] [2024-11-12 01:19:54,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454692849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:19:54,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:19:54,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:19:54,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711774913] [2024-11-12 01:19:54,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:19:54,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:19:54,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:19:54,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:19:54,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:19:54,806 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) [2024-11-12 01:19:55,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:19:55,515 INFO L93 Difference]: Finished difference Result 275 states and 412 transitions. [2024-11-12 01:19:55,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:19:55,516 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 [2024-11-12 01:19:55,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:19:55,519 INFO L225 Difference]: With dead ends: 275 [2024-11-12 01:19:55,519 INFO L226 Difference]: Without dead ends: 184 [2024-11-12 01:19:55,520 INFO L434 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 [2024-11-12 01:19:55,521 INFO L435 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 [2024-11-12 01:19:55,522 INFO L436 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] [2024-11-12 01:19:55,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-12 01:19:55,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 127. [2024-11-12 01:19:55,546 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) [2024-11-12 01:19:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 194 transitions. [2024-11-12 01:19:55,552 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 194 transitions. Word has length 196 [2024-11-12 01:19:55,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:19:55,552 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 194 transitions. [2024-11-12 01:19:55,553 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) [2024-11-12 01:19:55,553 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 194 transitions. [2024-11-12 01:19:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-12 01:19:55,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:19:55,557 INFO L218 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] [2024-11-12 01:19:55,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 01:19:55,557 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:19:55,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:19:55,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1399688675, now seen corresponding path program 1 times [2024-11-12 01:19:55,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:19:55,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648954822] [2024-11-12 01:19:55,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:19:55,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:19:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:19:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:19:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:19:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:19:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:19:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:19:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:19:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:19:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:19:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:19:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:19:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:19:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:19:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:19:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:19:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:19:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:19:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:19:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:19:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:19:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:19:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:19:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:19:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:19:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:19:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:19:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:19:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:19:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:19:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:19:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:19:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:19:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:19:55,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:19:55,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648954822] [2024-11-12 01:19:55,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648954822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:19:55,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:19:55,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 01:19:55,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474295191] [2024-11-12 01:19:55,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:19:55,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 01:19:55,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:19:55,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 01:19:55,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 01:19:55,952 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) [2024-11-12 01:19:56,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:19:56,131 INFO L93 Difference]: Finished difference Result 345 states and 529 transitions. [2024-11-12 01:19:56,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 01:19:56,132 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 [2024-11-12 01:19:56,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:19:56,136 INFO L225 Difference]: With dead ends: 345 [2024-11-12 01:19:56,137 INFO L226 Difference]: Without dead ends: 221 [2024-11-12 01:19:56,137 INFO L434 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 [2024-11-12 01:19:56,138 INFO L435 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 [2024-11-12 01:19:56,139 INFO L436 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] [2024-11-12 01:19:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-12 01:19:56,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 219. [2024-11-12 01:19:56,195 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) [2024-11-12 01:19:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 336 transitions. [2024-11-12 01:19:56,199 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 336 transitions. Word has length 196 [2024-11-12 01:19:56,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:19:56,200 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 336 transitions. [2024-11-12 01:19:56,200 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) [2024-11-12 01:19:56,200 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 336 transitions. [2024-11-12 01:19:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 01:19:56,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:19:56,204 INFO L218 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] [2024-11-12 01:19:56,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 01:19:56,205 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:19:56,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:19:56,205 INFO L85 PathProgramCache]: Analyzing trace with hash 586902515, now seen corresponding path program 1 times [2024-11-12 01:19:56,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:19:56,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113643825] [2024-11-12 01:19:56,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:19:56,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:19:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:19:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:19:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:19:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:19:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:19:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:19:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:19:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:19:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:19:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:19:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:19:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:19:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:19:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:19:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:19:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:19:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:19:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:19:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:19:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:19:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:19:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:19:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:19:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:19:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:19:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:19:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:19:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:19:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:19:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:19:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:19:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:19:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:19:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:19:56,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:19:56,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113643825] [2024-11-12 01:19:56,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113643825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:19:56,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:19:56,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:19:56,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269133189] [2024-11-12 01:19:56,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:19:56,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:19:56,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:19:56,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:19:56,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:19:56,314 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) [2024-11-12 01:19:56,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:19:56,385 INFO L93 Difference]: Finished difference Result 547 states and 834 transitions. [2024-11-12 01:19:56,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:19:56,386 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 [2024-11-12 01:19:56,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:19:56,390 INFO L225 Difference]: With dead ends: 547 [2024-11-12 01:19:56,392 INFO L226 Difference]: Without dead ends: 345 [2024-11-12 01:19:56,393 INFO L434 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 [2024-11-12 01:19:56,394 INFO L435 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 [2024-11-12 01:19:56,397 INFO L436 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] [2024-11-12 01:19:56,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-12 01:19:56,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 341. [2024-11-12 01:19:56,457 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) [2024-11-12 01:19:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 511 transitions. [2024-11-12 01:19:56,461 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 511 transitions. Word has length 197 [2024-11-12 01:19:56,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:19:56,461 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 511 transitions. [2024-11-12 01:19:56,462 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) [2024-11-12 01:19:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 511 transitions. [2024-11-12 01:19:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 01:19:56,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:19:56,465 INFO L218 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] [2024-11-12 01:19:56,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 01:19:56,466 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:19:56,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:19:56,466 INFO L85 PathProgramCache]: Analyzing trace with hash -222444111, now seen corresponding path program 1 times [2024-11-12 01:19:56,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:19:56,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997725710] [2024-11-12 01:19:56,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:19:56,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:19:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:20:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:20:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:20:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:20:02,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:02,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997725710] [2024-11-12 01:20:02,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997725710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:02,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:02,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:20:02,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238979965] [2024-11-12 01:20:02,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:02,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:20:02,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:02,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:20:02,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:20:02,913 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) [2024-11-12 01:20:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:03,435 INFO L93 Difference]: Finished difference Result 802 states and 1185 transitions. [2024-11-12 01:20:03,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:20:03,436 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 [2024-11-12 01:20:03,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:03,444 INFO L225 Difference]: With dead ends: 802 [2024-11-12 01:20:03,445 INFO L226 Difference]: Without dead ends: 478 [2024-11-12 01:20:03,446 INFO L434 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 [2024-11-12 01:20:03,447 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 149 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-12 01:20:03,447 INFO L436 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] [2024-11-12 01:20:03,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-12 01:20:03,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 372. [2024-11-12 01:20:03,500 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) [2024-11-12 01:20:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 554 transitions. [2024-11-12 01:20:03,503 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 554 transitions. Word has length 197 [2024-11-12 01:20:03,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:03,504 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 554 transitions. [2024-11-12 01:20:03,504 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) [2024-11-12 01:20:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 554 transitions. [2024-11-12 01:20:03,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 01:20:03,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:03,507 INFO L218 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] [2024-11-12 01:20:03,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 01:20:03,507 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:03,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:03,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1233561361, now seen corresponding path program 1 times [2024-11-12 01:20:03,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:03,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309726201] [2024-11-12 01:20:03,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:03,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:20:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:20:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:20:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:10,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:20:10,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:10,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309726201] [2024-11-12 01:20:10,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309726201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:10,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:10,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:20:10,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913088527] [2024-11-12 01:20:10,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:10,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:20:10,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:10,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:20:10,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:20:10,518 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) [2024-11-12 01:20:11,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:11,316 INFO L93 Difference]: Finished difference Result 794 states and 1177 transitions. [2024-11-12 01:20:11,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:20:11,318 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 [2024-11-12 01:20:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:11,322 INFO L225 Difference]: With dead ends: 794 [2024-11-12 01:20:11,322 INFO L226 Difference]: Without dead ends: 439 [2024-11-12 01:20:11,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:20:11,324 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 56 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2024-11-12 01:20:11,325 INFO L436 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] [2024-11-12 01:20:11,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-12 01:20:11,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 369. [2024-11-12 01:20:11,373 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) [2024-11-12 01:20:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 551 transitions. [2024-11-12 01:20:11,377 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 551 transitions. Word has length 197 [2024-11-12 01:20:11,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:11,377 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 551 transitions. [2024-11-12 01:20:11,378 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) [2024-11-12 01:20:11,378 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 551 transitions. [2024-11-12 01:20:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 01:20:11,380 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:11,380 INFO L218 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] [2024-11-12 01:20:11,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 01:20:11,381 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:11,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:11,381 INFO L85 PathProgramCache]: Analyzing trace with hash -36197359, now seen corresponding path program 1 times [2024-11-12 01:20:11,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:11,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083077603] [2024-11-12 01:20:11,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:11,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:20:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:20:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:20:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:20:11,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:11,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083077603] [2024-11-12 01:20:11,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083077603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:11,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:11,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:20:11,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256108968] [2024-11-12 01:20:11,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:11,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:20:11,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:11,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:20:11,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:20:11,481 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) [2024-11-12 01:20:11,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:11,550 INFO L93 Difference]: Finished difference Result 734 states and 1092 transitions. [2024-11-12 01:20:11,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:20:11,551 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 [2024-11-12 01:20:11,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:11,554 INFO L225 Difference]: With dead ends: 734 [2024-11-12 01:20:11,555 INFO L226 Difference]: Without dead ends: 382 [2024-11-12 01:20:11,556 INFO L434 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 [2024-11-12 01:20:11,557 INFO L435 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 [2024-11-12 01:20:11,557 INFO L436 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] [2024-11-12 01:20:11,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-12 01:20:11,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 288. [2024-11-12 01:20:11,597 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) [2024-11-12 01:20:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 429 transitions. [2024-11-12 01:20:11,599 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 429 transitions. Word has length 197 [2024-11-12 01:20:11,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:11,600 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 429 transitions. [2024-11-12 01:20:11,600 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) [2024-11-12 01:20:11,600 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 429 transitions. [2024-11-12 01:20:11,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 01:20:11,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:11,604 INFO L218 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] [2024-11-12 01:20:11,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 01:20:11,604 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:11,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:11,604 INFO L85 PathProgramCache]: Analyzing trace with hash 221968079, now seen corresponding path program 1 times [2024-11-12 01:20:11,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:11,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367110042] [2024-11-12 01:20:11,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:20:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:20:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:20:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:20:17,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:17,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367110042] [2024-11-12 01:20:17,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367110042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:17,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:17,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 01:20:17,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870550147] [2024-11-12 01:20:17,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:17,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 01:20:17,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:17,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 01:20:17,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:20:17,675 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) [2024-11-12 01:20:18,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:18,130 INFO L93 Difference]: Finished difference Result 610 states and 887 transitions. [2024-11-12 01:20:18,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 01:20:18,131 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 [2024-11-12 01:20:18,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:18,134 INFO L225 Difference]: With dead ends: 610 [2024-11-12 01:20:18,134 INFO L226 Difference]: Without dead ends: 444 [2024-11-12 01:20:18,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:20:18,137 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 169 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-12 01:20:18,138 INFO L436 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] [2024-11-12 01:20:18,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2024-11-12 01:20:18,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 294. [2024-11-12 01:20:18,171 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) [2024-11-12 01:20:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 438 transitions. [2024-11-12 01:20:18,174 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 438 transitions. Word has length 197 [2024-11-12 01:20:18,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:18,176 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 438 transitions. [2024-11-12 01:20:18,176 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) [2024-11-12 01:20:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 438 transitions. [2024-11-12 01:20:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 01:20:18,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:18,178 INFO L218 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] [2024-11-12 01:20:18,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 01:20:18,178 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:18,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:18,179 INFO L85 PathProgramCache]: Analyzing trace with hash -364837935, now seen corresponding path program 1 times [2024-11-12 01:20:18,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:18,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124238717] [2024-11-12 01:20:18,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:18,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:20:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:20:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:20:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:20:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:20:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:20:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:20:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:20:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:20:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:20:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:20:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:20:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:20:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:20:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 01:20:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:20:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 01:20:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:20:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 01:20:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:20:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 01:20:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:20:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 01:20:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:20:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 01:20:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:20:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 01:20:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 01:20:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 01:20:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 01:20:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 01:20:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 01:20:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:20:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-12 01:20:23,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:20:23,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124238717] [2024-11-12 01:20:23,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124238717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:20:23,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:20:23,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 01:20:23,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856924909] [2024-11-12 01:20:23,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:20:23,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 01:20:23,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:20:23,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 01:20:23,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:20:23,628 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) [2024-11-12 01:20:24,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:20:24,106 INFO L93 Difference]: Finished difference Result 510 states and 751 transitions. [2024-11-12 01:20:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 01:20:24,107 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 [2024-11-12 01:20:24,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:20:24,111 INFO L225 Difference]: With dead ends: 510 [2024-11-12 01:20:24,111 INFO L226 Difference]: Without dead ends: 338 [2024-11-12 01:20:24,112 INFO L434 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 [2024-11-12 01:20:24,112 INFO L435 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:20:24,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 477 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:20:24,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-12 01:20:24,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 290. [2024-11-12 01:20:24,147 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) [2024-11-12 01:20:24,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 432 transitions. [2024-11-12 01:20:24,150 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 432 transitions. Word has length 197 [2024-11-12 01:20:24,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:20:24,150 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 432 transitions. [2024-11-12 01:20:24,151 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) [2024-11-12 01:20:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 432 transitions. [2024-11-12 01:20:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 01:20:24,153 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:20:24,153 INFO L218 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] [2024-11-12 01:20:24,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 01:20:24,153 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:20:24,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:20:24,154 INFO L85 PathProgramCache]: Analyzing trace with hash -21856618, now seen corresponding path program 1 times [2024-11-12 01:20:24,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:20:24,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716760449] [2024-11-12 01:20:24,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:20:24,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:20:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat